CN1952141A

CN1952141A - Promoting plant growth in poor environment by using paddy nucleoprotein gene OsSKIP1

Info

Publication number: CN1952141A
Application number: CN 200510019597
Authority: CN
Inventors: 熊立仲; 侯昕
Original assignee: Huazhong Agricultural University
Current assignee: Huazhong Agricultural University
Priority date: 2005-10-17
Filing date: 2005-10-17
Publication date: 2007-04-25
Anticipated expiration: 2025-10-17
Also published as: CN100415886C

Abstract

The invention belongs to the field of plant genetic engineering technologies. The invention specifically involves the separation and cloning of a rice DNA fragment, functional verification and application in transgenic rice. The said DNA fragment contains neucleoprotein gene OsSKIP1 adversity-induced from the rice, it gives the plants the capacity of increasing growth rate significantly in adversity and / or in normal conditions. Combining the DNA fraction of the gene with exogenous promoter and introducing directly into the plant, the growth rate of transgenic plants in normal and adversity conditions is significantly increased compared with the controlling group.

Description

Utilize paddy nucleoprotein gene OsSKIP1 to promote the growth of plant under adverse environmental factor

Technical field

The present invention relates to plant biotechnology field.Be specifically related to separating clone, functional verification and the application of a kind of paddy DNA fragment (gene).Described gene OsSKIP1 is relevant with plant-growth.With the complete translation district (Coding sequence) of this gene with directly change paddy rice over to after cauliflower mosaic virus promoter (CaMV35S) combines, the speed of growth of transfer-gen plant under adverse environmental factor significantly improves; The expression that suppresses native gene OsSKIP1 by the RNAi technology then significantly reduces plant strain growth speed.

Background technology

The speed of growth of plant is except having its inherent hereditary basis, be subjected to many Effect of Environmental toward the contact meeting, the disadvantageous abiotic stress of some of them (as arid, high temperature, low temperature or salt damage etc.) has often limited plant normal growth, thereby causes crop failure.Abiotic stress is bottlenecks of agricultural development in many areas, and therefore, cultivate the resistance crop varieties is one of major objective of agricultural cience and farming techniques research always.In order to resist or conform unfavorable factor, the variation of plant materials recipient cell external environment condition also is delivered to it in cell by number of ways, some response genes of meeting abduction delivering, producing some makes cell avoid arid, high salt, low temperature etc. are coerced the functional protein of injury, osmoregulation material and the transcription factor of transmitting signal and regulate gene expression, thereby corresponding reaction (Xiong etc. are made in variation to external world, Cell signaling during cold, drought andsalt stress.Plant Cell.14 (suppl), S165-S183,2002).And can correctly express the meticulous adjusting that is subjected to regulatory factor in the process that those functional genes are made a response to environment.Transcription factor when organism experiences environment stress, can be regulated and control the expression of a series of downstream genes as a kind of regulatory gene, thereby strengthens the tolerance of plant materials to adverse circumstance, reaches the effect that the opposing unsuitable environmental condition is coerced.Kawasaki etc. (2001) utilize expression chip to analyze the early expression spectrum of paddy rice under high-salt stress, discovery has a large amount of genes to be induced or to suppress, the adjusting that the abduction delivering of these genes has been subjected to transcription factor participates in (Kawasaki S, Borchert C, Deyholos M, Wang H, Brazille S, KawaiK, Galbraith D and Bohnert H J.Gene expression profiles during the initial phase of salt stressin rice.Plant Cell, 13:889-905,2001).And in Arabidopis thaliana, find AP2/EREBP, Zinc finger, Myb, bZIP class transcription factor family is under different environment stresses, but abduction delivering or be suppressed (Shinozaki etc., Monitoring the Expression Patternof 1300 Arabidopsis Genes under Drought and Cold Stresses by Using a Full-Length cDNA Microarray.Plant Cell, 13:61-72,2001).Thereby think that these transcription factor families play very important regulating and controlling effect in the answering of plant to adverse circumstance.Therefore separate and identify adverse circumstance is played the transcription factor of core regulating and controlling effect, and the genetic improvement that is used for the degeneration-resistant border of crop has great significance.Information according to existing Arabidopis thaliana transcription factor, people are doing trial aspect the plant resistance to environment stress improvement, the transgenic arabidopsis plant that utilizes DREB1A and DREB2A to cultivate, its low temperature patience and arid, high salt patience is all than strong (the Liu Q etc. of wild-type, Two transcription factors, DREB1and DREB2, with an EREBP/AP2 DNA domains separate two cellular signal thansduction pathways indrought-and low-temperature-responsive gene expression, respectively, in Arabidopsis.Plant Cell, 10:1391-1406,1998).The Thomashow MF research group of U.S. Michigan state university utilizes Arabidopis thaliana CBF1 gene, carry out genetic transformation, also cultivate winter hardiness enhanced plant (Jaglo-Ottosen etc., Arabidopsis CBF1 overexpression induces CORgenes and enhances freezing tolerance.Science, 280 (5360): 104-106,1998).In recent years, it is quite a few that transcription factor by other type of genetic transformation improves the report of resistance of plant, as Arabidopis thaliana NAC gene (Tran etc., Isolation andfunctional analysis of Arabidopsis stress-inducible NAC transcription factors that bind to adrought-responsive cis-element in the early responsiye to dehydration stress 1 promoter.Plant Cell, 16:2481-2498,2004), paddy rice zinc finger protein gene OSISAP1 (Mukhopadhyay etc., Overexpression of a zinc-fingerprotein gene from rice confers tolerance to cold, dehydration, and salt stress in transgenic tobacco.Proc Natl Acad Sci U S A, 101:6309-6314,2004).

These resistance that transcriptional modulatory gene mediated of having reported normally make plant that the tolerance of extreme adverse circumstance is strengthened, and do not study in great detail but also have for the influence of plant growth rate under the adverse environmental factor.Often be obstructed (the suffering drought stress can postpone heading in boot stage) because plant grows when suffering environment stress as paddy rice, even temporarily stop growing, this is the self-protective mechanism that plant avoids adverse environment.But, thereby the growth that this adverse circumstance causes slow down often make that plant materials diminishes, prolong output is reduced breeding time.Therefore, the stress resistance of plant genetic improvement not only will strengthen the tolerance of plant to extreme adverse circumstance, and what is more important will be reduced to minimum level to plant at the growth retardation under the adverse environmental factor.

Paddy rice is one of most important food crop, and it is significant to cultivate degeneration-resistant new rice variety.Be separated to one and be subjected to drought-induced cDNA in our early-stage Study, sequential analysis shows that SKIP (Ski-interacting protein) albumen among it and the human and animal has certain similarity.SKIP may be a nucleoprotein that plays the role of a nucleus, do mutually to realize by it and numerous different nucleoprotein to genomic expression regulation (Scott etc., CHES1/FOXN3 interacts with Ski-interacting protein and acts as a transcriptional repressor.Gene, 359:119-126,2005; Leong etc., Ski-interacting protein interacts with Smad proteins to augmenttransforming growth factor-beta-dependent transcription.J Biol Chem.276:18243-8,2001; Prathapam etc., Ski interacts with the evolutionarily conserved SNW domain of Skip.Nucleic Acids Res.229:3469-76,2001).In plant, still there is not the homogenic report of SKIP at present.Therefore, from paddy rice, isolate the SKIP homologous gene and identify its influence, will have extremely important meaning for cultivating degeneration-resistant new rice variety to the speed of growth of paddy rice under the abiotic stress condition.

Summary of the invention

The objective of the invention is the dna fragmentation that from paddy rice one of separating clone comprises nucleoprotein homologous gene complete coding region section, utilize this gene to improve the paddy rice or the speed of growth of other plant under adverse circumstance and/or normal condition.SKIP (Ski-interacting protein) albumen that the protein sequence of this genes encoding is carried out among analysis revealed it and the human and animal has certain similarity, therefore is named as OsSKIP1.

The present invention relates to separate and use a kind of dna fragmentation of the OsSKIP1 of comprising gene, this fragment is given the ability that plant (for example paddy rice) is accelerated in the speed of growth under normal and adverse environmental factor.Wherein, described fragment perhaps is equivalent to the height homologous DNA sequence shown in the SEQ ID NO:1 basically shown in sequence table SEQ ID NO:1, and perhaps its function is equivalent to the subfragment of sequence shown in the SEQ ID NO:1.

Can adopt the OsSKIP1 gene of having cloned to make probe, screening obtains gene of the present invention or homologous gene from cDNA and genomic library.Equally, also can adopt PCR (polymerase chain reaction) technology, from genome, mRNA and cDNA amplification obtain OsSKIP1 gene of the present invention and any interested section of DNA or with its homologous section of DNA.Adopt above technology, can separate the sequence that obtains comprising the OsSKIP1 gene, this sequence is connected the back transforms plant with any carrier that can guide foreign gene to express in plant, can obtain the transfer-gen plant that the speed of growth under normal and adverse environmental factor is accelerated.Gene of the present invention adds any strong promoter or inducible promoter in being building up to plant expression vector the time before its transcription initiation Nucleotide.Gene of the present invention also can use enhanser in being building up to plant expression vector the time, and these enhanser zones can be ATG initiator codon and neighboring region initiator codon etc., but must be identical with the reading frame of encoding sequence, to guarantee the translation of whole sequence.

Carrying OsSKIP1 expression carrier of the present invention can be by using Ti-plasmids, plant viral vector, directly DNA transforms, microinjection, conventional biotechnological means such as electroporation imports vegetable cell (Weissbach, 1998, Method for Plant Molecular Biology VIII, Academy Press, New York, pp.411-463; Geiserson and Corey, 1998, Plant Molecular Biology (2 ^NdEdition).

Can use to comprise that OsSKIP1 expression carrier of the present invention transforms the host and comprises the paddy rice various plants, cultivate drought resisting, anti-salt or cold-resistant plant variety.

Gene of the present invention is subjected to the adverse circumstance abduction delivering, therefore can with gene of the present invention be connected into suitable expression vector after any interested adverse circumstance evoked promoter combines, and the conversion plant host, but under adverse environmental factor the abduction delivering gene, improve the speed of growth of plant under adverse environmental factor.

The present invention will be further described below in conjunction with drawings and Examples.

Description of drawings

What sequence table SEQ ID No:1 showed is the sequence dna fragment that includes OsSKIP1 gene coding region and promoter region of separating clone of the present invention.

Fig. 1: be the result that the present invention utilizes ClustalW software (public use software) that the protein sequence and the SKIP homologous protein sequence of OsSKIP1 predictive genes are compared.

Fig. 2: be the present invention utilize RT-PCR detect the OsSKIP1 gene in different tissues expression level.Among the figure: 1. the root in tillering phase; 2. sword-like leave; 3. stem; 4. be shorter than the young fringe of 1cm; 5.3-5cm young fringe; 6. be longer than the young fringe of 10cm; 7. stamen; 8. gynoecium; 9. the seedling that germinateed 3 days; The spire in 3 weeks; 10.3 the seedling in week; 11.3 the etiolated seedling in week.

Fig. 3: the expression of gus reporter gene in transgenic paddy rice that is the promotor control of OsSKIP1 gene of the present invention.Wherein: A is an adjoining tree; B: be transfer-gen plant; C is adjoining tree D: be transfer-gen plant

E: be adjoining tree; F is a transfer-gen plant; G: be adjoining tree; The H transfer-gen plant

I: upward be adjoining tree; I: be transfer-gen plant down; J: be the transfer-gen plant callus GUS colored graph in period.

Fig. 4: be that RNAi transfer-gen plant T1 of the present invention (detects through PCR for germinateing on the root media that contains 125 μ MG418 (a kind of commercial microbiotic that uses) in the plant transgene screening under the seed asepsis condition, the last germinable transgenic positive that is of G418), contrast (spending 11 in the wild-type) was germinateed not containing on the antibiotic root media after three days, longly transplanted to big or small basically identical.Figure is the growth curve of one of them RNAi transfer-gen plant (S59R) and contrast (ZH11).

Fig. 5: be the speed of growth (plant height and fresh weight growth sky after) of the present invention in 10 representative OsSKIP1 inhibition express transgenic familys (T1) under the water planting condition.Wherein No. 1 family is the transgenosis feminine gender.

Fig. 6: be the present invention representative OsSKIP1 overexpression transgenosis family (T1) and contrast under the water planting condition the speed of growth relatively.

Fig. 7: be the present invention 5 OsSKIP1 overexpression transgenosis familys (T1) and contrast under different adverse environmental factors the speed of growth relatively.

Fig. 8: the structural representation of overexpression carrier OsSKIP1pCAMBIA1301 of the present invention.The promotor CaMV35S that uses in the invention process example is inserted pCAMBIA1301 multiple clone site EcoRI and SacI place, again the OsSKIP1 full-length gene is inserted this promotor after.

Fig. 9: the structural representation of inhibition expression vector OsSKIP1 ' pHellsgate2 of the present invention.One section distinguished sequence of OsSKIP1 recombinated to suppress on the expression vector pHellsgate2.

Figure 10: promoter expression vector OsSKIP1PpCAMBIAI1391Z carrier structure synoptic diagram of the present invention.The promotor of OsSKIP1 is inserted the multiple clone site of pCAMBIAI1391Z.

Embodiment

Previous work of the present invention has obtained to derive from the cDNA clone V2CHIP15006 of rice varieties " bright extensive 63 " (the hybrid rice parent that a kind of China generally applies).This cDNA is the cDNA fragment of OsSKIP1 gene, is a SKIP homologous gene that influences plant growth rate.Main according to the following aspects is arranged: (1) adopts the analysis of cDNA chip technology to find that cDNA clone V2CHIP15006 expression amount after rice varieties " middle non-irrigated No. 5 " (rice varieties of a public use that is provided by the Chinese Shanghai academy of agricultural sciences) drought stress is handled 15 days increases by 2.1 times.It being checked order, analyze and find its coded product and people's Protein S KIP homology up to 62.3%, and contain conservative SNW structural domain (Fig. 1), is OsSKIP1 with this unnamed gene in view of the above.(2) it is carried out expression pattern analysis under the adverse environmental factor, find that expression amount is significantly improved in coercing the process of processing, RT-PCR (Fig. 2) and promoter expression activation analysis (Fig. 3) show that OsSKIP1 all has certain expression amount in different tissues.(3) suppress the expression of paddy rice native gene OsSKIP1 by the RNAi technology, transfer-gen plant is compared with adjoining tree, its speed of growth reduce greatly ((Fig. 4, Fig. 5); And with its full-length gene in plant behind the overexpression, transfer-gen plant is compared with adjoining tree, the normal growth condition still under adverse environmental factor its speed of growth all significantly want fast (Fig. 6, Fig. 7).These results show that the OsSKIP1 gene is not only new SKIP homologous gene in the paddy rice, and can be used for regulating and control the speed of growth of plant.

Following examples further define the present invention, and have described the method that the present invention separating clone on above-mentioned previous work basis includes the dna fragmentation and the checking OsSKIP1 gene function of OsSKIP1 gene complete coding section.According to following description and these embodiment, those skilled in the art can determine essential characteristic of the present invention, and under the situation that does not depart from spirit and scope of the invention, can make various changes and modification, so that its suitable various uses and condition to the present invention.

Embodiment 1: separating clone includes the dna fragmentation and the OsSKIP1 gene of OsSKIP1 constant gene segment C

Drought-induced gene expression spectrum analysis by rice varieties " middle non-irrigated No. 5 " (rice varieties of a public use that provides by the Chinese Shanghai academy of agricultural sciences), found an EST (expressed sequence label) who is subjected to drought-induced (drought stress later stage expression amount improves 2.1 times), find through sequential analysis, this gene (OsSKIP1) coded product and people's Protein S KIP have 62.3% homology, and are 5 ' end parts sequences.By searching Japanese paddy rice total length database (http://cdna01.dna.affrc.go.jp), find its pairing cDNA clone JO13098N03, and be located on the 34212 bp-36565 bp of the 2nd karyomit(e) BAC clone AP004159.Genome sequence according to OsSKIP1 correspondence among the BAC clone AP004159, predict its promoter region, and design primer PF (5 '-TAGGTACCGATCGCGTTGCCCAAATAATTAC, see shown in the sequence table SEQ ID NO:1, this sequence specific primer adds joint KpnI site) and PR (5 '-TAGGATCCCAGAACACGGAATTTATGTATC, see shown in the sequence table SEQ ID NO:1, outside this sequence specific primer, add joint BamHI), 34212 bp-36581bp that BAC cloned AP004159 increase from total DNA of " bright extensive 63 " (a hybrid rice parent that China generally applies).Amplified production is exactly sequence 1-2351bp of the present invention.Concrete steps are: extract total DNA (the CTAB method extracting in rice varieties " the bright extensive 63 " blade, reference literature: Zhang etc., genetic diversity and differentiation of indica an japonica rice detected by RFLP analysis, Theor Appl Genet, 83,495-499,1992) increase as template, reaction conditions is: 94 ℃ of pre-sex change 3min; 94 ℃ of 30sec, 55 ℃ of 30sec, 72 ℃ of 3min, 30 circulations; 72 ℃ are extended 5min.The PCR product that amplification is obtained is connected into pGEM-T carrier (available from Promega company), and screening positive clone and order-checking (ABI3730 sequenator) obtain the required dna fragmentation that includes the OsSKIP1 gene.This clone's called after pGEM-OsSKIP1.

Adopt in the rice varieties that TRIZOL reagent (available from Invitrogen company) handles from drought stress " non-irrigated No. 5 " and extract the total RNA of blade (extracting method is according to above-mentioned TRIZOL reagent specification sheets), utilize ThermoScript II SSII (available from Invitrogen company) with synthetic cDNA first chain of its reverse transcription, reaction conditions is: 65 ℃ of 5min, 42 ℃ of 50min, 70 ℃ of 10min.Amplify the full-length cDNA of OsSIPK1 gene with above-mentioned primer (PF and PR).The PCR reaction conditions is: 94 ℃ of pre-sex change 2min; 94 ℃ of 30sec, 55 ℃ of 30sec, 72 ℃ of 2min, 30 circulations; 72 ℃ are extended 5min.The PCR product that amplification is obtained is connected into pGEM-T carrier (available from Promega company), and screening positive clone and order-checking obtain required full-length gene cDNA.This clone's called after pGEM-OsSKIP1c.

Embodiment 2, the structure and the conversion of the expression of OsSKIP1 gene inhibition, overexpression and promoter expression vector

In order to illustrate the function of this gene better, the applicant suppresses it to express and overexpression in paddy rice, verify from the phenotype of transfer-gen plant; Also its promotor is blended in simultaneously rice transformation behind the gus reporter gene, detects its activity.

It is as follows suppress to express (RNAi) carrier construction method: the present invention as shown in Figure 9: at first use RNAi primer V15006F:

(5 '-CACCGACTCTGGGTTTGCTACAG) and V15006R (5 '-AAGATGCCCCTTGGAAGTAGA) is the specific fragment (572bp) that template amplification goes out the OsSKIP1 gene with the clone pGEM-OsSKIP1c that obtains from embodiment 1.Reaction conditions is: 94 ℃ of pre-sex change 2min; 94 ℃ of 30sec, 55 ℃ of 30sec, 72 ℃ of 2min, 30 circulations; 72 ℃ are extended 5min.With this fragment subclone to the pGEM-T carrier.Use again primer ALLF (5 '-GGG GAC AAG TTT GTA CAA AAA AGC AGG CTT AAT ACG ACT CAC TAT AGG G) and ALLR (5 '-GGG GAC CAC TTT GTA CAA GAA AGC TGG GTA TTT AGG TGA CAC TAT AG) from have this segmental pGEM-T carrier amplify one can be for the fragment (622 bp) of recombinating on the pHellsgate2 carrier.The PCR condition is the same.Recombining reaction is undertaken by the recombinant clone test kit specification sheets that Invitrogen company provides.PHellsgate2 is the carrier (Wesley etc. that are specifically designed to the RNAi vector construction that published, Construct design for efficient, effective and high-throughput gene silencing inplants.Plant J, 27:581-590,2001).

The overexpression carrier construction method is as follows: as shown in Figure 8: at first with the positive colony pGEM-OsSKIP1 plasmid BamHI and the KpnI double digestion that obtain among the embodiment 1, reclaim the external source fragment; Simultaneously, the enzyme that uses the same method is cut the genetic transformation carrier pC1301S enzyme that carries different promoters and is cut completely, and use chloroform: primary isoamyl alcohol (24: 1 by volume) extracting, purifying enzyme is cut product.Carrier after cutting with endonuclease bamhi that comprises the OsSKIP1 gene and enzyme is done ligation, transformed into escherichia coli DH10 β (bacterial strain is available from Invitrogen company).Cut screening positive clone by enzyme, obtain conversion carrier.The carrier pC1301S of genetic transformation is that (its structure is seen Fig. 8 to plant genetic conversion carrier pCAMBIA1301 commonly used in the world, its initial carrier is from Australian CAMBIA[Center for the Application of Molecular Biology to International Agriculture] laboratory) on the basis, the CaMV 35S promoter of introducing widely used constitutive expression at restriction enzyme site EcoRI and SacI place obtains.

The fusion vector construction process of promotor and reporter gene is as follows: as shown in figure 10: the OsSKIP1 promoter sequence is by primer 5 '-TAAAGCTTTGTTTGTGCTTTTGGAG and 5 ' TAAGAATTCTTTGGTTCGATTCGTGTAAT, seeing (the 36566-37565 bp of BAC clone AP004159 in the corresponding ncbi database of amplified production) shown in the sequence table SEQ ID NO:2, is that template amplification obtains with bright extensive 63 the genomic dna of rice varieties; Be connected to the gus reporter gene front among the active carrier pCAMBIA1391Z of detection of plant promoter commonly used in the world (from Australian CAMBIA laboratory) after by HindIII and EcoRI OsSIPK1 promoter sequence enzyme being cut.

By agriculture bacillus mediated rice genetic transformation system it is imported to and to spend in the rice varieties in 11 (rice varieties of the public use that China Paddy Rice Inst provides), through the callus of cultivating in advance, infecting, cultivating altogether, screening having Totomycin or G418 resistance, break up, take root, practice transplantation of seedlings, obtain transfer-gen plant.Agriculture bacillus mediated paddy rice (japonica rice subspecies) genetic conversion system is at people's reported method such as Hiei (Hiei etc., Efficient transformation of rice, Oryza sativa L., mediated byAgrobacterium and sequence analysis of the boundaries of the T-DNA, Plant J, 6:271-282,1994) improve on the basis and carry out.

Concrete steps: (1) callus of induce: sophisticated rice paddy seed (rice varieties " in spend 11 ") is shelled, used 70% Ethanol Treatment then successively 1 minute, 0.15% mercury chloride (HgCl ₂) seed-coat sterilization 15 minutes; Wash seed 4-5 time with sterilization; Seed is placed on the inducing culture; Place dark place to cultivate 4 weeks, 25 ± 1 ℃ of temperature postvaccinal substratum.(2) callus subculture: select the embryo callus subculture of glassy yellow, consolidation and relatively dry, be put in dark 2 weeks, 25 ± 1 ℃ of the temperature of cultivating down on the subculture medium.(3) the pre-cultivation: select the embryo callus subculture of consolidation and relatively dry, be put in dark 2 weeks, 25 ± 1 ℃ of the temperature of cultivating down on the pre-culture medium.(4) Agrobacterium is cultivated: the pre-Agrobacterium EHAi05 of cultivation (deriving from CAMBIA, commercial bacterial strain) is two days on the LA substratum that has corresponding resistance selection, 28 ℃ of temperature; Agrobacterium is transferred in the suspension culture base, cultivated 2-3 hour on 28 ℃ of shaking tables.(5) Agrobacterium is infected: pre-incubated callus is transferred in the good bottle of sterilization; The suspension of regulating Agrobacterium is to OD ₆₀₀0.8-1.0; Callus was soaked in agrobacterium suspension 30 minutes; Shifting callus blots to the good filter paper of sterilization; Be placed on then on the common substratum and cultivated temperature 19-20 ℃ 3 days.(6) callus washing and selection are cultivated: aqua sterilisa washing callus is to cannot see Agrobacterium; Be immersed in the aqua sterilisa that contains 400ppm Pyocianil (CN) 30 minutes; Shifting callus blots to the good filter paper of sterilization; Shift callus and select 2-3 time on the substratum to selecting, cultivated for 2 weeks (screening for the first time is with 400ppm Pyocianil+250ppm Totomycin, is later the 250ppm Pyocianil for the second time with+250ppm Totomycin) at every turn.(7) differentiation: kanamycin-resistant callus tissue is transferred to dark place cultivation 5-7 week on the pre-differentiation substratum; The callus that shifts pre-differentiation cultivation is to division culture medium, and illumination is cultivated down, 26 ℃ of temperature.(8) take root: cut the root that differentiation phase produces; Then it is transferred to and cultivates 2-3 week, 26 ℃ of temperature in the root media under the illumination.(9) transplant: wash the residual substratum on the root off, the seedling that will have good root system changes the greenhouse over to, divides moistening at initial several Tian Bao water holding simultaneously.

The substratum of above-mentioned steps is as described below:

Agent prescription: (1) reagent and solution abbreviation: the abbreviation of the used plant hormone of substratum is expressed as follows among the present invention: 6-BA (6-benzyladenine); CN (Pyocianil); KT (kinetin or title phytokinin); NAA (naphthylacetic acid); IAA (indolylacetic acid); 2,4-D (2,4-dichlorphenoxyacetic acid); AS (Acetosringone, Syringylethanone); CH (caseinhydrolysate); HN (HygromycinB, Totomycin); DMSO (dimethyl sulfoxide (DMSO)); N6max (a large amount of composition solution of N6); N6mix (N6 trace ingredients solution); MSmax (a large amount of composition solution of MS); The main solution formula of MSmix (MS trace ingredients solution) (2):

1) preparation of N6 substratum macroelement mother liquor [10 times of concentrated solutions (10X)]:

Saltpetre (KNO ₃) 28.3g

Potassium primary phosphate (KH ₂PO ₄) 4.0g

Ammonium sulfate ((NH ₄) ₂SO ₄) 4.63g

Sal epsom (MgSO ₄7H ₂O) 1.85g

Calcium chloride (CaCl ₂2H ₂O) 1.66g

Dissolving is settled to 1000ml under the room temperature then one by one.

2) preparation of N6 substratum trace element mother liquor [100 times of concentrated solutions (100X)]

Potassiumiodide (KI) 0.08g

Boric acid (H ₃BO ₃) 0.16g

Manganous sulfate (MnSO ₄4H ₂O) 0.44g

Zinc sulfate (ZnSO ₄7H ₂O) 0.15g

Dissolving and be settled to 1000ml under the room temperature.

3) molysite (Fe ₂EDTA) preparation of stock solution (100X)

Prepare the 800ml distilled water and be heated to 70 ℃, add b diammonium disodium edta (Na ₂EDTA2H ₂O) 3.73 grams, fully the dissolving back kept 2 hours in 70 ℃ of water-baths, was settled to 1000ml, and 4 ℃ of preservations are standby.

4) VITAMIN stock solution (100X) preparation

Nicotinic acid (Nicotinic acid) 0.1g

VITMAIN B1 (Thiamine HCl) 0.1g

Vitamin B6 (Pyridoxine HCl) 0.1g

Glycine (Glycine) 0.2g

Inositol (Inositol) 10g

Add water and be settled to 1000ml, 4 ℃ of preservations are standby.

5) preparation of MS substratum macroelement mother liquor (10X)

Ammonium nitrate (NH ₄NO ₃) 16.5g

Saltpetre 19.0g

Potassium primary phosphate 1.7g

Sal epsom 3.7g

Calcium chloride 4.4g

Dissolving and be settled to 1000ml under the room temperature.

6) preparation of MS substratum trace element mother liquor (100X)

Potassiumiodide 0.083g

Boric acid 0.62g

Manganous sulfate 0.86g

Sodium orthomolybdate (Na ₂MoO ₄2H ₂O) 0.025g

Copper sulfate (CuSO ₄5H ₂O) 0.0025g

Dissolving and be settled to 1000ml under the room temperature.

7) 2, the 4-D stock solution, the 6-BA stock solution, naphthylacetic acid (NAA) stock solution, indolylacetic acid (IAA) stock solution: 1 is mg/ml.

8) glucose stock solution: 0.5g/ml.

9) preparation of AS stock solution: weigh AS 0.392g, DMSO 10ml.

(3) be used for the culture medium prescription that rice genetic transforms

1) inducing culture

N6max mother liquor (10X) 100ml

N6mix mother liquor (100X) 10ml

Fe ²⁺EDTA stock solution (100X) 10ml

VITAMIN stock solution (100X) 10ml

2,4-D stock solution 2.5ml

Proline(Pro) (Proline) 0.3g

CH 0.6g

Sucrose (Sucrose) 30g

Phytagel 3g

Adding distil water is to 900ml, and 1N potassium hydroxide is regulated pH value to 5.9, boils and is settled to 1000ml, divides to install to 50ml triangular flask (25ml/ bottle), seals sterilization.

2) subculture medium

N6max mother liquor (10X) 100ml

N6mix mother liquor (100X) 10ml

Fe ²⁺EDTA stock solution (100X) 10ml

VITAMIN stock solution (100X) 10ml

2,4-D stock solution 2.0ml

Proline(Pro) 0.5g

CH 0.6g

Sucrose 30g

Phytagel 3g

3) pre-culture medium

N6max mother liquor (10X) 12.5ml

N6mix mother liquor (100X) 1.25ml

Fe ²⁺EDTA stock solution (100X) 2.5ml

VITAMIN stock solution (100X) 2.5ml

2,4-D stock solution 0.75ml

CH 0.15g

Sucrose 5g

Agar powder (Agarose) 1.75g

Adding distil water is to 250ml, and 1N potassium hydroxide is regulated pH value to 5.6, seals sterilization.Use preceding heating for dissolving substratum and add 5ml glucose stock solution and 250 μ l AS stock solutions, (25ml/ ware) in the culture dish poured in packing into.

4) be total to substratum

N6max mother liquor (10X) 12.5ml

N6mix mother liquor (100X) 1.25ml

Fe ²⁺EDTA stock solution (100X) 2.5ml

VITAMIN stock solution (100X) 2.5ml

2,4-D stock solution 0.75ml

CH 0.2g

Sucrose 5g

Agar powder 1.75g

Adding distil water is to 250ml, and 1N potassium hydroxide is regulated pH value to 5.6, seals sterilization.Use preceding heating for dissolving substratum and add 5ml glucose stock solution and 250 μ l AS stock solutions, (the every ware of 25ml/) in the culture dish poured in packing into.

5) suspension culture base

N6max mother liquor (10X) 5ml

N6mix mother liquor (100X) 0.5ml

Fe ²⁺EDTA stock solution (100X) 0.5ml

VITAMIN stock solution (100X) 1ml

2,4-D stock solution 0.2ml

CH 0.08g

Sucrose 2g

Adding distil water is regulated pH value to 5.4 to 100ml, divides to install in the triangular flask of two 100ml, seals sterilization.Add 1ml glucose stock solution and 100 μ l AS stock solutions before using.

6) select substratum

N6max mother liquor (10X) 25ml

N6mix mother liquor (100X) 2.5ml

Fe ²⁺EDTA stock solution (100X) 2.5ml

VITAMIN stock solution (100X) 2.5ml

2,4-D stock solution 0.625ml

CH 0.15g

Sucrose 7.5g

Agar powder 1.75g

Adding distil water is regulated pH value to 6.0 to 250ml, seals sterilization.The dissolving substratum adds 250 μ l HN and 400ppm CN before using, and (25ml/ ware) in the culture dish poured in packing into.

7) break up substratum in advance

N6max mother liquor (10X) 25ml

N6mix mother liquor (100X) 2.5ml

Fe ²⁺EDTA stock solution (100X) 2.5ml

VITAMIN stock solution (100X) 2.5ml

6-BA stock solution 0.5ml

KT stock solution 0.5ml

NAA stock solution 50 μ l

IAA stock solution 50 μ l

CH 0.15g

Sucrose 7.5g

Agar powder 1.75g

Adding distil water is to 250ml, and 1N potassium hydroxide is regulated pH value to 5.9, seals sterilization.The dissolving substratum adds 250 μ l HN and 200ppm CN before using, and (25ml/ ware) in the culture dish poured in packing into.

8) division culture medium

N6max mother liquor (10X) 100ml

N6mix mother liquor (100X) 10ml

Fe ²⁺EDTA stock solution (100X) 10ml

VITAMIN stock solution (100X) 10ml

6-BA stock solution 2ml

KT stock solution 2ml

NAA stock solution 0.2ml

IAA stock solution 0.2ml

CH 1g

Sucrose 30g

Phytagel 3g

Adding distil water is to 900ml, and 1N potassium hydroxide is regulated pH value to 6.0.Boil and be settled to 1000ml, divide to install to 50ml triangular flask (50ml/ bottle), seal sterilization.

9) root media

MSmax mother liquor (10X) 50ml

MSmix mother liquor (100X) 5ml

Fe ²⁺EDTA stock solution (100X) 5ml

VITAMIN stock solution (100X) 5ml

Sucrose 30g

Phytagel 3g

Adding distil water is to 900ml, and 1N potassium hydroxide is regulated pH value to 5.8.Boil and be settled to 1000ml, divide to install to (25ml/ pipe) in the pipe of taking root, seal sterilization.

The transgenic rice plant difference called after S59-N (wherein S59 is the pHellsgate2-OsSKIP1 carrier, contains constitutive promoter CaMV 35S, the numbering of N independence transformed plant) that OsSKIP1 is suppressed expression; Transgenic rice plant difference called after S60-N (S60 is the pC1301S-OsSKIP1 carrier, contains constitutive promoter CaMV 35S) with the OsSKIP1 overexpression; With the transgenic rice plant of the fusion vector of OsSKIP1 promotor and gus reporter gene called after S61-N (S61 is the pCAMBIA1391-OsSKIP1-P carrier, contains OsSKIP1 promotor and gus reporter gene) respectively.Each conversion carrier has obtained independently transgenic rice plant of at least 30 strains, and the present invention obtains independent transgenic rice plant 101 strains altogether.

Embodiment 3: the expression level that detects paddy rice native gene OsSKIP1

With rice varieties " bright extensive 63 " is material, and the RNA that extracts the tissue of different growing stage detects OsSKIP1 expression of gene level with RT-PCR.Organize respectively for 10 kinds that choose and be: 1. the root in tillering phase; 2. sword-like leave; 3. stem; 4. be shorter than the young fringe of 1cm; 5.3-5 young fringe; 6. be longer than the young fringe of 10cm; 7. stamen; 8. gynoecium; 9. the seedling that germinateed 3 days; The spire in 10 3 weeks of germination; 11.3 the etiolated seedling in week.Total RNA adopts TRIZOL reagent (available from Invitrogen company) to extract (extracting method is according to above-mentioned TRIZOL reagent specification sheets), utilize ThermoScript II SSII (available from Invitrogen company) with synthetic cDNA first chain (method is according to ThermoScript II reagent specification sheets) of its reverse transcription, reaction conditions is: 65 ℃ of 5min, 42 ℃ of 50min, 70 ℃ of 10min.With cDNA first chain is template, and (5 '-GACTCTGGGTTTGCTACAG and 5 '-AAGATGCCCCTTGGAAGTAGA) pcr amplification goes out the specific fragment (572bp) of OsSKIP1 gene to adopt primer.Adopt primer (AF:5 '-specific fragment (1400bp) of the paddy rice Actin1 gene of GCGTCGACTCCACTCTCGC and AR:5 '-CCATGAAACAAATCCAACAACA) amplify to be to carry out quantitative analysis as internal reference.Reaction conditions is: 94 ℃ of pre-sex change 2min; 94 ℃ of 30sec, 55 ℃ of 30sec, 72 ℃ of 2min, 30 circulations; 72 ℃ are extended 5min.The brightness of the special band of the OsSKIP1 gene that amplifies and Actin1 gene is compared, and be that standard is carried out after the homogenization relatively OsSKIP1 expression of gene amount in the different tissues with the brightness of the special band of Actin1 gene.The result shows: the OsSKIP1 gene all has a certain amount of expression in selected tissue, but with etiolated seedling relative with expression amount in the young fringe higher (Fig. 2).

Assay of promoter activity: after the OsSKIP1 gene promoter sequence obtained from bright extensive 63 amplifications of rice varieties by primer 5 '-TAAAGCTTTGTTTGTGCTTTTGGAG and 5 '-TAAGAATTCTTTGGTTCGATTCGTGTAAT (36566-37565bp of BAC clone AP004159 in the corresponding ncbi database of amplified production), be connected to after by HindIII and EcoRI OsSKIP1 promoter sequence enzyme being cut plant promoter commonly used in the world active the gus reporter gene front of carrier pCAMBIA1391Z (by Australian CAMBIA[Center for the Application of Molecular Biology toInternational Agriculture] laboratory provide) is provided and by agriculture bacillus mediated rice transformation system it is imported in the rice varieties spend in 11. Transfer-gen plant different tissues and organ are carried out GUS dyeing.Prescription of its dyeing liquor; The 0.1M sodium phosphate buffer 20mL of pH=7.0,0.5M EDTA solution 1mL, Trion X-100 0.5mL, yellow prussiate of potash (Pataxium ferrocyamide) 42.5mg, the Tripotassium iron hexacyanide (Pataxium ferricyamide) 33mg, paraxin (Chloramphenicol) 5mg, X-Gluc 50mg, methanol solution 10mL adds water to 50mL) .The different tissues organ of getting fresh transformed plant is soaked in and places 37 ℃ of of of of thermostat containers to spend the night in the GUS dye liquor.Back observation and Taking Pictures recording spend the night in decolouring back (destainer uses 70% ethanol) .GUS dyeing situation (Fig. 3) shows:the OsSKIP1 gene promoter has the constitutive expression activity, and this is consistent with the result of RT-PCR.

Embodiment 4:OsSKIP1 suppresses express transgenic T ₁The speed of growth of family

The present invention has chosen 10 OsSKIP1 and has expressed the mensuration that the T1 family that is subjected to obviously to suppress is carried out the speed of growth.Concrete steps are as follows: each T ₁Choose 30-40 grain seed for family and in containing the antibiotic aqueous solution of G418 (50mg/ml), soak seed, remove not chitting piece (not containing genetically modified seed).Transgenosis and the back 5 days seedling water planting of wild-type contrast (spending 11 in the rice varieties) germination are planted in 90 * 60 * 20cm ³The cultivation box in, cultivating box cover has 92 * 62cm ²The wooden cover of size is drilled with equally distributed 96 holes on the wooden cover, kind seedling in every hole is with the fixing plant of sponge.The nutritive medium composition of water planting is as follows: N:40ppm; P:10ppm; K:40ppm; Ca:40ppm; Mg:40ppm; Mn:0.5ppm; Mo:0.05ppm; B:0.2ppm; Zn:0.01ppm; Cu:0.01ppm; Fe:2ppm.The mother liquor prescription is as follows:

1、NH ₄NO ₃：914g/10L

2、NaH ₂PO ₄-2H ₂O：403g/10L

3、K ₂SO ₄：714g/10L

4、CaCl ₂：886g/10L

5、MgSO ₄-7H ₂O：3240g/10L

6、MnCl ₂-4H ₂O：15g，(NH ₄)6Mo ₇O ₂₄-4H ₂O：0.74g，H ₃BO ₃：9.34g，ZnSO ₄-7H ₂O：0.35g，CuSO ₄-5H ₂O：0.31g，FeCl ₃-6H ₂O：77g，(CH ₂O) _n：119g。Mix with the 500ml vitriol oil dissolving back respectively, is settled to 10L.

During water planting, add each 5mL. of above-mentioned mother liquor in every 3970mL water

Every family is planted 8 individual plants, block design immediately, three repetitions (contrast is set in each box).After germination the 8th, 14,20,26, careful 45 take out rice shoots and measure plant height and fresh weights in the time of 45 days.Subsequently with 45 days shoot transplanting equipment to the land for growing field crops, by the normal cultivation management on the Rice Production, examination heading stage and single plant yield.Fig. 4 is the seedling growth curve of a representative transgenosis family and contrast; Fig. 5 be 10 transgenosis familys and to impinge upon water planting after 45 days plant height and fresh weight relatively.The result shows: the growth that OsSKIP1 suppresses the transfer-gen plant of expression is suppressed significantly.

Embodiment 5:OsSKIP1 overexpression transgenosis T ₁The speed of growth of family under the varying environment condition

The present invention has chosen 5 OsSKIP1 overexpression T ₁Family has been carried out the mensuration of the speed of growth under the different condition.Concrete steps are as follows: each T ₁Choose 100-150 grain seed for family and in containing the antibiotic aqueous solution of Totomycin (50mg/ml), soak seed, remove not chitting piece (not containing genetically modified seed).With transgenosis and the back 5 days seedling water planting plantation of wild-type contrast (spending 11 in the rice varieties) germination.Water planting kind method for planting is with embodiment 4.As different from Example 4, also be provided with three adverse circumstances and handle experiment except normal growth is tested: lack of water is coerced (the 10th day adding PEG6000 after germinateing, final concentration 10%), (back of germinateing added NaCl on the 10th day to salt stress, final concentration 100mM) and subzero treatment (back of germinateing moved into the low-temperature epitaxy case on the 10th day, 10 ℃ of maintenances of temperature in daytime 16 hours and illumination abundance, 8 hours unglazed photographs of 6 ℃ of maintenances of temperature at night).Growth experiment under four growth conditionss is all by block design immediately, repeats (contrast is set in each box) three times, and every family is planted 8 individual plants in each repetition.After germination the 8th, 14,20,26, the careful rice shoot that takes out is measured plant height and fresh weight in the time of 45 days.Subsequently with 45 days shoot transplanting equipment to the land for growing field crops, by the normal cultivation management on the Rice Production, examination heading stage and single plant yield.Fig. 6 is the seedling growth curve of 5 representative transgenosis familys and contrast; Fig. 7 is that 5 transgenosis familys are with the plant fresh weight of growth after 45 days compares under the different adverse environmental factors to impinging upon.The result shows: no matter the growth of the transfer-gen plant of OsSKIP1 overexpression all will be better than contrast significantly in normal condition or under environment stress is handled, illustrate that the OsSKIP1 expression of gene not only has promoter action to paddy growth, be obstructed but also can alleviate the plant strain growth that adverse environmental factor causes.

Sequence table

SEQUENCE?LISTING

＜110〉Hua Zhong Agriculture University

＜120〉utilize paddy nucleoprotein gene OsSKIP1 to promote the growth of plant under adverse environmental factor

<130>

<141>2005-10-13

<160>3

<170>PatentIn?version?3.1

<210>1

<211>2351

<212>DNA

＜213〉paddy rice (Oryza sativa)

<220>

<221>gene

<222>(1)..(2351)

<223>

<220>

<221>primer_bind

<222>(2330)..(2351)

<223>

<220>

<221>primer_bind

<222>(1)..(23)

<223>

<220>

<221>CDS

<222>(132)..(1955)

<223>

<400>1

gatcgcgttg?cccaaataat?tacacgaatc?gaaccaaacc?ctagcttttc?ctcttcgatt 60

cccgatcccc?cacccagcga?ctcgccggaa?ccctagccct?agatcccgcg?cggcttgccg 120

ccgtgctagc?c?atg?gcg?tcc?ctc?aag?gag?ctc?ctc?ccg?acg?ccc?aag?gcg 170

Met?Ala?Ser?Leu?Lys?Glu?Leu?Leu?Pro?Thr?Pro?Lys?Ala

1 5 10

gcg?gcg?tcg?acg?ttc?tac?gac?cac?agc?agc?gac?ccg?tgg?ttc?aag?gag 218

Ala?Ala?Ser?Thr?Phe?Tyr?Asp?His?Ser?Ser?Asp?Pro?Trp?Phe?Lys?Glu

l5 20 25

cgg?tat?ggc?ggg?gag?tcg?gcg?caa?tcc?gac?gcg?gcg?gcg?gcg?gcg?gcg 266

Arg?Tyr?Gly?Gly?Glu?Ser?Ala?Gln?Ser?Asp?Ala?Ala?Ala?Ala?Ala?Ala

30 35 40 45

aag?cct?tcg?ggc?ccc?gcc?aag?ccc?gtg?ccg?ccg?tat?ggg?aag?cgt?ggc 314

Lys?Pro?Ser?Gly?Pro?Ala?Lys?Pro?Val?Pro?Pro?Tyr?Gly?Lys?Arg?Gly

50 55 60

ggg?ttc?gtg?ccg?cgg?cgg?ccg?gag?gac?ttc?ggc?gac?ggc?ggc?gcc?ttc 362

Gly?Phe?Val?Pro?Arg?Arg?Pro?Glu?Asp?Phe?Gly?Asp?Gly?Gly?Ala?Phe

65 70 75

ccg?gag?atc?cac?gtc?gcg?cag?tac?ccg?ctc?ggc?atg?ggc?cgg?cgc?gac 410

Pro?Glu?Ile?His?Val?Ala?Gln?Tyr?Pro?Leu?Gly?Met?Gly?Arg?Arg?Asp

80 85 90

gag?aag?ggc?ggt?tcg?aag?atc?ctc?gcg?ctc?acc?gtc?gac?gcc?aag?ggc 458

Glu?Lys?Gly?Gly?Ser?Lys?Ile?Leu?Ala?Leu?Thr?Val?Asp?Ala?Lys?Gly

95 100 105

agc?gtc?gcc?ttc?gac?gcc?gtc?gtg?aag?cag?ggt?gag?aac?gcc?tct?aag 506

Ser?Val?Ala?Phe?Asp?Ala?Val?Val?Lys?Gln?Gly?Glu?Asn?Ala?Ser?Lys

110 115 120 125

atc?gtt?tac?tca?aag?cac?agc?gac?ctc?gtg?ccc?aag?att?gcc?acg?gct 554

Ile?Val?Tyr?Ser?Lys?His?Ser?Asp?Leu?Val?Pro?Lys?Ile?Ala?Thr?Ala

130 135 140

gat?tcc?gag?gca?acc?gcg?gac?gac?gag?gag?tac?cag?aaa?cag?atc?gaa 602

Asp?Ser?Glu?Ala?Thr?Ala?Asp?Asp?Glu?Glu?Tyr?Gln?Lys?Gln?Ile?Glu

145 150 155

aaa?acc?act?gaa?cga?act?aaa?gct?gcc?ttg?gag?aag?ggt?gtc?aat?gtt 650

Lys?Thr?Thr?Glu?Arg?Thr?Lys?Ala?Ala?Leu?Glu?Lys?Gly?Val?Asn?Val

160 165 170

cgg?ttt?ttc?gcc?gac?aag?cca?aag?aat?gtg?cca?acg?cat?gat?tca?aag 698

Arg?Phe?Phe?Ala?Asp?Lys?Pro?Lys?Asn?Val?Pro?Thr?His?Asp?Ser?Lys

175 180 185

tca?aag?ttt?atc?aag?tat?aag?cca?tcg?cag?caa?tcg?gca?gcc?ttc?aat 746

Ser?Lys?Phe?Ile?Lys?Tyr?Lys?Pro?Ser?Gln?Gln?Ser?Ala?Ala?Phe?Asn

190 195 200 205

tca?ggt?gcc?aag?gaa?agg?att?att?agg?atg?tca?aag?atg?gtt?aag?gat 794

Ser?Gly?Ala?Lys?Glu?Arg?Ile?Ile?Arg?Met?Ser?Lys?Met?Val?Lys?Asp

210 215 220

cct?ctt?gag?cca?ccg?aaa?ttc?aag?cat?aag?cga?gtg?ccc?cgc?gct?tct 842

Pro?Leu?Glu?Pro?Pro?Lys?Phe?Lys?His?Lys?Arg?Val?Pro?Arg?Ala?Ser

225 230 235

gga?tca?ccg?cct?gtc?cca?gtg?atg?cac?tcg?cca?cca?cgg?cca?gtg?aca 890

Gly?Ser?Pro?Pro?Val?Pro?Val?Met?His?Ser?Pro?Pro?Arg?Pro?Val?Thr

240 245 250

gtg?aag?gac?cag?caa?gat?tgg?aag?att?cca?cca?tgc?att?tca?aat?tgg 938

Val?Lys?Asp?Gln?Gln?Asp?Trp?Lys?Ile?Pro?Pro?Cys?Ile?Ser?Asn?Trp

255 260 265

aaa?aat?cca?aag?ggt?tac?acc?ata?cca?ctc?gac?aag?agg?ttg?gca?gct 986

Lys?Asn?Pro?Lys?Gly?Tyr?Thr?Ile?Pro?Leu?Asp?Lys?Arg?Leu?Ala?Ala

270 275 280 285

gat?gga?agg?ggg?ctg?cag?gag?gtt?caa?att?aat?gat?aac?ttt?gca?aag 1034

Asp?Gly?Arg?Gly?Leu?Gln?Glu?Val?Gln?Ile?Asn?Asp?Asn?Phe?Ala?Lys

290 295 300

ctc?tct?gaa?gca?ctg?tat?gtg?gcg?gag?cag?aag?gcc?agg?gag?gca?gta 1082

Leu?Ser?Glu?Ala?Leu?Tyr?Val?Ala?Glu?Gln?Lys?Ala?Arg?Glu?Ala?Val

305 310 315

cag?atg?cga?tcc?aag?gtg?cag?agg?gag?ctg?cag?ctg?aag?gag?aag?gag 1130

Gln?Met?Arg?Ser?Lys?Val?Gln?Arg?Glu?Leu?Gln?Leu?Lys?Glu?Lys?Glu

320 325 330

agg?aag?gag?caa?gag?cta?agg?gca?ctt?gca?cag?aag?gcg?cgc?atg?gag 1178

Arg?Lys?Glu?Gln?Glu?Leu?Arg?Ala?Leu?Ala?Gln?Lys?Ala?Arg?Met?Glu

335 340 345

agg?act?ggt?gcc?cca?cct?gca?cct?aca?ggg?gtt?cct?gct?ggt?ggt?ggt 1226

Arg?Thr?Gly?Ala?Pro?Pro?Ala?Pro?Thr?Gly?Val?Pro?Ala?Gly?Gly?Gly

350 355 360 365

aga?ggt?gct?gtt?ggt?gac?agg?gag?gaa?gat?atg?gat?ttg?gag?cag?cct 1274

Arg?Gly?Ala?Val?Gly?Asp?Arg?Glu?Glu?Asp?Met?Asp?Leu?Glu?Gln?Pro

370 375 380

cgt?gag?caa?cga?agg?ggg?agt?aga?gaa?gaa?agg?gaa?gca?agg?att?gag 1322

Arg?Glu?Gln?Arg?Arg?Gly?Ser?Arg?Glu?Glu?Arg?Glu?Ala?Arg?Ile?Glu

385 390 395

cgt?gac?agg?att?cgt?gag?gag?agg?aga?cgt?gag?agg?gag?aga?gag?agg 1370

Arg?Asp?Arg?Ile?Arg?Glu?Glu?Arg?Arg?Arg?Glu?Arg?Glu?Arg?Glu?Arg

400 405 4l0

agg?ctg?gag?gcc?agg?gat?gct?gca?atg?ggc?aag?aag?agt?aag?ctc?act 1418

Arg?Leu?Glu?Ala?Arg?Asp?Ala?Ala?Met?Gly?Lys?Lys?Ser?Lys?Leu?Thr

415 420 425

aga?gac?agg?gat?cgt?gat?gtc?agt?gag?aag?att?gcc?ctg?ggc?atg?gca 1466

Arg?Asp?Arg?Asp?Arg?Asp?Val?Ser?Glu?Lys?Ile?Ala?Leu?Gly?Met?Ala

430 435 440 445

agc?act?ggc?ggt?gct?aaa?ggt?ggg?gaa?gtc?atg?tat?gac?cag?agg?ttg 1514

Ser?Thr?Gly?Gly?Ala?Lys?Gly?Gly?Glu?Val?Met?Tyr?Asp?Gln?Arg?Leu

450 455 460

ttc?aac?cag?gat?aaa?gga?atg?gac?tct?ggg?ttt?gct?aca?gat?gat?cag 1562

Phe?Asn?Gln?Asp?Lys?Gly?Met?Asp?Ser?Gly?Phe?Ala?Thr?Asp?Asp?Gln

465 470 475

tat?aac?atc?tac?tcc?aag?ggt?ctc?ttc?aca?gcg?cag?cca?acg?cta?tcc 1610

Tyr?Asn?Ile?Tyr?Ser?Lys?Gly?Leu?Phe?Thr?Ala?Gln?Pro?Thr?Leu?Ser

480 485 490

aca?ctt?tac?agg?ctt?aag?aag?gac?ggt?gat?tct?gat?gtg?tat?ggc?gat 1658

Thr?Leu?Tyr?Arg?Leu?Lys?Lys?Asp?Gly?Asp?Ser?Asp?Val?Tyr?Gly?Asp

495 500 505

gca?gat?gaa?caa?ctg?gag?aag?gtt?atg?aag?aca?gat?agg?ttc?aaa?cca 1706

Ala?Asp?Glu?Gln?Leu?Glu?Lys?Val?Met?Lys?Thr?Asp?Arg?Phe?Lys?Pro

510 515 520 525

gac?aaa?gga?ttt?tct?ggt?gct?tca?gag?agg?tct?gga?aag?aga?gac?aga 1754

Asp?Lys?Gly?Phe?Ser?Gly?Ala?Ser?Glu?Arg?Ser?Gly?Lys?Arg?Asp?Arg

530 535 540

cct?gtg?gag?ttt?gat?aaa?cag?gag?gag?aat?gat?ccc?ttc?ggt?ctt?gat 1802

Pro?Val?Glu?Phe?Asp?Lys?Gln?Glu?Glu?Asn?Asp?Pro?Phe?Gly?Leu?Asp

545 550 555

cag?ttc?ttg?act?gaa?gtg?aag?aag?ggg?aag?aaa?gct?gtt?gag?aag?att 1850

Gln?Phe?Leu?Thr?Glu?Val?Lys?Lys?Gly?Lys?Lys?Ala?Val?Glu?Lys?Ile

560 565 570

gga?agc?gga?gga?gcc?atg?agg?gca?agt?ggt?gga?tcc?tca?atg?aga?gat 1898

Gly?Ser?Gly?Gly?Ala?Met?Arg?Ala?Ser?Gly?Gly?Ser?Ser?Met?Arg?Asp

575 580 585

gat?tac?gag?ggt?gga?gga?tct?ggg?agg?tcc?cgc?att?aac?ttt?gaa?aga 1946

Asp?Tyr?Glu?Gly?Gly?Gly?Ser?Gly?Arg?Ser?Arg?Ile?Asn?Phe?Glu?Arg

590 595 600 605

ggt?cgt?tga?ggtattagat?ctgcatgttt?tgttcagaag?tttctccatg 1995

Gly?Arg

cattccaaat?gttatctgga?gggtattctg?ttgagaatat?caacttcttg?atgagagaag 2055

gacttgatgt?ctgagttgtc?ttaatgcaac?gtctacttcc?aaggggcatc?ttaagggtgg 2115

gcgccctacc?ctgctttttg?accaagtggc?attatagctt?gttgtttatc?tatttgtgga 2175

tggatctgta?agcttaactt?atcatcattc?catatccctt?atattttgtg?gtgctttatg 2235

aagtctcgat?gtgtctggct?gaccttacat?tttctggtac?tgtaccaagt?ctttaagatg 2295

tatctgccta?tctggctgaa?atactgagac?acgggataca?taaattccgt?gttctg 2351

<210>2

<211>607

<212>PRT

＜213〉paddy rice (Oryza sativa)

<400>2

Met?Ala?Ser?Leu?Lys?Glu?Leu?Leu?Pro?Thr?Pro?Lys?Ala?Ala?Ala?Ser

1 5 10 15

Thr?Phe?Tyr?Asp?His?Ser?Ser?Asp?Pro?Trp?Phe?Lys?Glu?Arg?Tyr?Gly

20 25 30

Gly?Glu?Ser?Ala?Gln?Ser?Asp?Ala?Ala?Ala?Ala?Ala?Ala?Lys?Pro?Ser

35 40 45

Gly?Pro?Ala?Lys?Pro?Val?Pro?Pro?Tyr?Gly?Lys?Arg?Gly?Gly?Phe?Val

50 55 60

Pro?Arg?Arg?Pro?Glu?Asp?Phe?Gly?Asp?Gly?Gly?Ala?Phe?Pro?Glu?Ile

65 70 75 80

His?Val?Ala?Gln?Tyr?Pro?Leu?Gly?Met?Gly?Arg?Arg?Asp?Glu?Lys?Gly

85 90 95

Gly?Ser?Lys?Ile?Leu?Ala?Leu?Thr?Val?Asp?Ala?Lys?Gly?Ser?Val?Ala

100 105 110

Phe?Asp?Ala?Val?Val?Lys?Gln?Gly?Glu?Asn?Ala?Ser?Lys?Ile?Val?Tyr

115 120 125

Ser?Lys?His?Ser?Asp?Leu?Val?Pro?Lys?Ile?Ala?Thr?Ala?Asp?Ser?Glu

130 135 140

Ala?Thr?Ala?Asp?Asp?Glu?Glu?Tyr?Gln?Lys?Gln?lle?Glu?Lys?Thr?Thr

145 150 155 160

Glu?Arg?Thr?Lys?Ala?Ala?Leu?Glu?Lys?Gly?Val?Asn?Val?Arg?Phe?Phe

165 170 175

Ala?Asp?Lys?Pro?Lys?Asn?Val?Pro?Thr?His?Asp?Ser?Lys?Ser?Lys?Phe

180 185 190

Ile?Lys?Tyr?Lys?Pro?Ser?Gln?Gln?Ser?Ala?Ala?Phe?Asn?Ser?Gly?Ala

195 200 205

Lys?Glu?Arg?Ile?Ile?Arg?Met?Ser?Lys?Met?Val?Lys?Asp?Pro?Leu?Glu

210 215 220

Pro?Pro?Lys?Phe?Lys?His?Lys?Arg?Val?Pro?Arg?Ala?Ser?Gly?Ser?Pro

225 230 235 240

Pro?Val?Pro?Val?Met?His?Ser?Pro?Pro?Arg?Pro?Val?Thr?Val?Lys?Asp

245 250 255

Gln?Gln?Asp?Trp?Lys?Ile?Pro?Pro?Cys?Ile?Ser?Asn?Trp?Lys?Asn?Pro

260 265 270

Lys?Gly?Tyr?Thr?Ile?Pro?Leu?Asp?Lys?Arg?Leu?Ala?Ala?Asp?Gly?Arg

275 280 285

Gly?Leu?Gln?Glu?Val?Gln?Ile?Asn?Asp?Asn?Phe?Ala?Lys?Leu?Ser?Glu

290 295 300

Ala?Leu?Tyr?Val?Ala?Glu?Gln?Lys?Ala?Arg?Glu?Ala?Val?Gln?Met?Arg

305 310 315 320

Ser?Lys?Val?Gln?Arg?Glu?Leu?Gln?Leu?Lys?Glu?Lys?Glu?Arg?Lys?Glu

325 330 335

Gln?Glu?Leu?Arg?Ala?Leu?Ala?Gln?Lys?Ala?Arg?Met?Glu?Arg?Thr?Gly

340 345 350

Ala?Pro?Pro?Ala?Pro?Thr?Gly?Val?Pro?Ala?Gly?Gly?Gly?Arg?Gly?Ala

355 360 365

Val?Gly?Asp?Arg?Glu?Glu?Asp?Met?Asp?Leu?Glu?Gln?Pro?Arg?Glu?Gln

370 375 380

Arg?Arg?Gly?Ser?Arg?Glu?Glu?Arg?Glu?Ala?Arg?Ile?Glu?Arg?Asp?Arg

385 390 395 400

Ile?Arg?Glu?Glu?Arg?Arg?Arg?Glu?Arg?Glu?Arg?Glu?Arg?Arg?Leu?Glu

405 410 415

Ala?Arg?Asp?Ala?Ala?Met?Gly?Lys?Lys?Ser?Lys?Leu?Thr?Arg?Asp?Arg

420 425 430

Asp?Arg?Asp?Val?Ser?Glu?Lys?Ile?Ala?Leu?Gly?Met?Ala?Ser?Thr?Gly

435 440 445

Gly?Ala?Lys?Gly?Gly?Glu?Val?Met?Tyr?Asp?Gln?Arg?Leu?Phe?Asn?Gln

450 455 460

Asp?Lys?Gly?Met?Asp?Ser?Gly?Phe?Ala?Thr?Asp?Asp?Gln?Tyr?Asn?Ile

465 470 475 480

Tyr?Ser?Lys?Gly?Leu?Phe?Thr?Ala?Gln?Pro?Thr?Leu?Ser?Thr?Leu?Tyr

485 490 495

Arg?Leu?Lys?Lys?Asp?Gly?Asp?Ser?Asp?Val?Tyr?Gly?Asp?Ala?Asp?Glu

500 505 510

Gln?Leu?Glu?Lys?Val?Met?Lys?Thr?Asp?Arg?Phe?Lys?Pro?Asp?Lys?Gly

515 520 525

Phe?Ser?Gly?Ala?Ser?Glu?Arg?Ser?Gly?Lys?Arg?Asp?Arg?Pro?Val?Glu

530 535 540

Phe?Asp?Lys?Gln?Glu?Glu?Asn?Asp?Pro?Phe?Gly?Leu?Asp?Gln?Phe?Leu

545 550 555 560

Thr?Glu?Val?Lys?Lys?Gly?Lys?Lys?Ala?Val?Glu?Lys?Ile?Gly?Ser?Gly

565 570 575

Gly?Ala?Met?Arg?Ala?Ser?Gly?Gly?Ser?Ser?Met?Arg?Asp?Asp?Tyr?Glu

580 585 590

Gly?Gly?Gly?Ser?Gly?Arg?Ser?Arg?Ile?Asn?Phe?Glu?Arg?Gly?Arg

595 600 605

<210>3

<211>1450

<212>DNA

＜213〉paddy rice (Oryza sativa)

<220>

<221>promoter

<222>(1)..(1450)

<223>

<220>

<221>primer?bind

<222>(1431)..(1450)

<223>

<220>

<221>primer_bind

<222>(1)..(19)

<223>

<400>3

ttgtttgtg?cttttggagg?gtgacatgtg?gcgctttctc?ttttgctcgc?tccttttctc 60

tgagtaccac?ctgtgtgtgt?ggtgtggttt?cgcattcttt?ggatggatct?actttcattt 120

tcattcttct?ttttctggta?caattatact?ccctgtaact?gtagtcctgt?accatgcaat 180

ttaactgtag?cataattcgt?attctagaag?attttggcct?gttaaaatac?aaacaaattg 240

atagtgtccg?tagtacatgt?ggagtagtat?gtgctgccca?tttagatcga?gttgtctggg 300

tacttccacg?ccaccatttt?ttccaagtcc?ataaaatatt?ttctatttat?tttagtacgg 360

cagattttca?ttcgctagcc?aaccatagaa?ctgacacatt?acataggcac?tttctctttt 420

tcctgggata?atacattaac?atttggggta?acattttcta?gtggaccaaa?aattttgtcg 480

gctggtaaca?cggcctttga?gaaggcccag?tactgcaggt?ataccattcc?gtccggtctc 540

cagcccgctt?ccttacgttg?tacttagtag?gataatttgg?gctggcacag?taagtaggcc 600

tagcattttc?accgaccacg?cgcgtgggcc?tggctgggtg?gtgacaatgt?gtgtcatgtg 660

gagcccaaat?tggcagatta?aactcgtgtt?agcaagcgaa?attaatgggc?ccacttgtca 720

gtctcattta?ttctcgttaa?acaaacaggc?aaacattccg?agccgttaat?accgtagcct 780

cgttactcgt?tactcactcc?gtccaaaaaa?aaataaatct?aaaatataga?atgtgacata 840

tcctagtaga?acgaatctgg?acatatgtat?gtccagattt?attgtactag?gaagtactat 900

gttggttttt?tatgagacgg?agggagtagc?cattacccgt?gcagacaagc?atggctccgt 960

tcgagcagga?gagattgctg?ggagattgag?gagaaaacat?ctacttttct?acgcgcacac 1020

ttcccaaact?actaaacgat?gcgtttttgg?caaaaaaaaa?ttcttttgaa?aagttgtttt 1080

aaaaaatcat?attaatctat?ttttaaaact?tacaatagtt?aatactcaat?taataataca 1140

ctaatggctc?acctcacctt?attttgcgta?tcttctcaat?cccctctttc?ctatcctctc 1200

aggattcaac?ccagttatca?tcatcaccag?tattaatagt?ttccagccca?aggaattatt 1260

ttgtttcgga?ctagaagtct?cagacacgat?ggtatttgct?tcggattggc?taaggatttg 1320

gtgcatattt?atcggcccag?cccaaattct?tatcgggcct?agcccatccg?gtagccgcca 1380

taaccccacc?ggccaccgtg?gtcagcttct?cttatcgcgt?tgcccaaata?attacacgaa 1440

tcgaaccaaa 1450

Claims

1, the dna sequence dna of giving plant speed of growth quickening under adverse circumstance and/or normal condition of OsSKIP1 gene mediated, it is

(a) dna sequence dna shown in the 1-2351 position among the SEQ ID NO:1; Or (b) coding and the identical protein DNA sequence of (a) encoded protein matter.

2, the described dna sequence dna of claim 1 of suitable promotor connection.

3, the described dna sequence dna of claim 2, it is the dna sequence dna shown in the SEQ ID NO:1.

4, give the plant dna sequence dna that the speed of growth under adverse circumstance and/or normal condition is accelerated, it be with SEQ ID NO:1 in dna sequence dna similarity shown in the 1-2351 position reach dna sequence dna more than 90%.

5, the application of each described dna sequence dna of claim 1-4 in the promotion paddy rice grows under adverse circumstance and/or normal condition.