CN109825642A - For detecting real-time fluorescence quantitative PCR primer, probe and its application of the related cyclic annular single-stranded DNA viruses of fur sea dog excrement - Google Patents
For detecting real-time fluorescence quantitative PCR primer, probe and its application of the related cyclic annular single-stranded DNA viruses of fur sea dog excrement Download PDFInfo
- Publication number
- CN109825642A CN109825642A CN201910138489.1A CN201910138489A CN109825642A CN 109825642 A CN109825642 A CN 109825642A CN 201910138489 A CN201910138489 A CN 201910138489A CN 109825642 A CN109825642 A CN 109825642A
- Authority
- CN
- China
- Prior art keywords
- probe
- primer
- fur
- virus
- quantitative pcr
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000523 sample Substances 0.000 title claims abstract description 40
- 238000003753 real-time PCR Methods 0.000 title claims abstract description 34
- 108020004414 DNA Proteins 0.000 title claims abstract description 33
- 102000053602 DNA Human genes 0.000 title claims abstract description 17
- 241000450599 DNA viruses Species 0.000 title claims abstract description 17
- 108020004682 Single-Stranded DNA Proteins 0.000 title claims abstract description 17
- 125000004122 cyclic group Chemical group 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 239000002773 nucleotide Substances 0.000 claims abstract description 10
- 125000003729 nucleotide group Chemical group 0.000 claims abstract description 10
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 8
- 230000003612 virological effect Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000004087 circulation Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 125000006853 reporter group Chemical group 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 239000002777 nucleoside Substances 0.000 claims 1
- 125000003835 nucleoside group Chemical group 0.000 claims 1
- 241000282898 Sus scrofa Species 0.000 abstract description 14
- 241001135989 Porcine reproductive and respiratory syndrome virus Species 0.000 abstract description 5
- 241000725681 Swine influenza virus Species 0.000 abstract description 5
- 230000001717 pathogenic effect Effects 0.000 abstract description 5
- 230000035945 sensitivity Effects 0.000 abstract description 5
- 241000197306 H1N1 subtype Species 0.000 abstract description 4
- 241000252870 H3N2 subtype Species 0.000 abstract description 4
- 241000702665 Porcine rotavirus Species 0.000 abstract description 4
- 241000702263 Reovirus sp. Species 0.000 abstract description 4
- 241000701093 Suid alphaherpesvirus 1 Species 0.000 abstract description 4
- 241000711484 Transmissible gastroenteritis virus Species 0.000 abstract description 4
- 241000701386 African swine fever virus Species 0.000 abstract description 3
- 241000710777 Classical swine fever virus Species 0.000 abstract description 3
- 241001673669 Porcine circovirus 2 Species 0.000 abstract description 3
- 241001135549 Porcine epidemic diarrhea virus Species 0.000 abstract description 3
- 210000003608 fece Anatomy 0.000 abstract description 2
- 241001147420 ssDNA viruses Species 0.000 abstract description 2
- 241000700605 Viruses Species 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000013612 plasmid Substances 0.000 description 6
- 239000013642 negative control Substances 0.000 description 4
- 206010012735 Diarrhoea Diseases 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000013641 positive control Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 241000282887 Suidae Species 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002405 diagnostic procedure Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 230000002550 fecal effect Effects 0.000 description 2
- 239000002574 poison Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 101150066583 rep gene Proteins 0.000 description 2
- 210000002966 serum Anatomy 0.000 description 2
- 235000015170 shellfish Nutrition 0.000 description 2
- 210000004894 snout Anatomy 0.000 description 2
- 229960005486 vaccine Drugs 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 108090000565 Capsid Proteins Proteins 0.000 description 1
- 102100023321 Ceruloplasmin Human genes 0.000 description 1
- 206010008631 Cholera Diseases 0.000 description 1
- 241001533384 Circovirus Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 108091028043 Nucleic acid sequence Proteins 0.000 description 1
- 108700026244 Open Reading Frames Proteins 0.000 description 1
- 241000710778 Pestivirus Species 0.000 description 1
- 108020005202 Viral DNA Proteins 0.000 description 1
- 108020000999 Viral RNA Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 108010026228 mRNA guanylyltransferase Proteins 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000007918 pathogenicity Effects 0.000 description 1
- 238000003752 polymerase chain reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000002864 sequence alignment Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 239000008223 sterile water Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
The invention discloses a kind of for detecting real-time fluorescence quantitative PCR primer, probe and its application of the related cyclic annular single-stranded DNA viruses (Fur seal feces-associated circular ssDNA virus, FSfaCV) of fur sea dog excrement.The primer is made of upstream primer and downstream primer, wherein, the nucleotide sequence of the upstream primer is as shown in SEQ ID NO.1, and the nucleotide sequence of the downstream primer is as shown in SEQ ID NO.2, and the nucleotide sequence of the probe is as shown in SEQ ID NO.3.Specificity FSfaCV fluorescence quantitative PCR detection primer and probe designed by the invention, viral genome can accurately detect FSfaCV in 1.52 copies/μ L or more, and do not reacted with porcine pseudorabies virus, pig parvoviral, porcine circovirus 2 type, African swine fever virus, highly pathogenic PRRSV, swine fever virus, Porcine epidemic diarrhea virus, transmissible gastro-enteritis virus, porcine rotavirus, H3N2 and H1N1 hypotype swine influenza virus, pig reovirus, have the advantages that high sensitivity, specificity it is good, conveniently, it is accurate and efficient.
Description
Technical field
The present invention relates to a kind of real-time fluorescence quantitative PCRs of the related cyclic annular single-stranded DNA viruses of detection fur sea dog excrement to draw
Object, probe and its application.The invention belongs to field of biotechnology.
Background technique
Related cyclic annular single-stranded DNA viruses (the Fur seal feces-associated circular of fur sea dog excrement
SsDNA virus, FSfaCV) it is a kind of novel cyclic single-stranded DNA viruses, belong to circinoviridae, Circovirus.The virus in
It identifies within 2012 and from New Zealand's fur sea dog excrement for the first time, viral (a50 plants) full-length genome is 2925 nucleotide
(nt), Rep replicase and Cap capsid protein including two open reading frame, are separately encoded.Japanese scholars are in 2014 from piglet
The virus is also detected that in fecal sample, identifies a strain virus FSfaCV-J1, full-length genome 2916nt, with new west
The nucleotide homology of blue a50 strain is 92%;Pathogenicity detection discovery, positive rate of the virus in piglet reach 76%
(65/85).So far, only this two relevant reports about the virus.The ecological efiiectiveness of the virus, host's preferendum,
Etiological Characteristics, diagnostic method and rarely known by the people to relevant informations such as the pathogenic properties of pig.
Therefore, the epidemiological study for carrying out FSfaCV is of great significance.And the foundation of diagnostic method is then to carry out to be somebody's turn to do
The basis of viral prevalence disease research.
Summary of the invention
The purpose of the present invention is to provide a kind of for detecting the real-time of the related cyclic annular single-stranded DNA viruses of fur sea dog excrement
Fluorescence quantification PCR primer and probe combinations identify FSfaCV by using Taqman real time fluorescence quantifying PCR method,
To substitute regular-PCR method, make to detect more acurrate and efficient.
In order to achieve the above object, present invention employs following technological means:
Of the invention is a kind of for detecting the real-time fluorescence quantitative PCR of the related cyclic annular single-stranded DNA viruses of fur sea dog excrement
Primer and probe combinations, wherein the primer is made of upstream primer and downstream primer, the nucleotide of the upstream primer
Sequence is as shown in SEQ ID NO.1, and the nucleotide sequence of the downstream primer is as shown in SEQ ID NO.2, the probe
Nucleotide sequence as shown in SEQ ID NO.3,5 ' ends of the probe are marked with fluorescent reporter group, and 3 ' ends are marked with fluorescence and quench
Go out group.
Wherein, it is preferred that 5 ' ends of the probe are marked with fluorescent reporter group Fam, and 3 ' ends are marked with fluorescent quenching group
Tam。
Wherein, it is preferred that the PCR primer and probe is for detecting fur sea dog excrement correlation single-stranded cyclic DNA disease
When malicious, real-time fluorescence quantitative PCR reaction system is 25 μ L, including:
Wherein, it is preferred that viral genome concentration is 1.52 copies/μ L or more in template.
Wherein, it is preferred that the PCR primer and probe is for detecting fur sea dog excrement correlation single-stranded cyclic DNA disease
When malicious, real-time fluorescence quantitative PCR reaction condition are as follows: 95 DEG C 3 minutes;95 DEG C 15 seconds, 60 DEG C 30 seconds, 40 circulation;Prolong in circulation
Fluorescence signal detection is carried out when stretching.
Further, the invention also provides the PCR primer and probe combinations detects fur sea dog excrement in preparation
Application in related ring-type single-stranded DNA viruses reagent.
Compared to the prior art, the beneficial effects of the present invention are:
1, the present invention is by designing a pair of specificity FSfaCV fluorescence quantitative PCR detection primer and probe, can be convenient for pair
The detection of FSfaCV, to improve detection efficiency.
2, specificity FSfaCV fluorescence quantitative PCR detection primer and probe designed by the invention, viral genome exist
Can accurately detect FSfaCV when 1.52 copies/μ L or more, and not with porcine pseudorabies virus, pig parvoviral, pig circular ring virus 2
Malicious 2 types, African swine fever virus, highly pathogenic PRRSV, swine fever virus, Porcine epidemic diarrhea virus,
Transmissible gastro-enteritis virus, porcine rotavirus, H3N2 and H1N1 hypotype swine influenza virus, the reaction of pig reovirus, have spirit
Sensitivity height, specificity advantage good, conveniently, accurate and efficient.
Detailed description of the invention
Fig. 1 is the standard curve of the real-time fluorescence quantitative PCR detection of FAM probe label;
Fig. 2 is real-time fluorescence quantitative PCR sensitivity Detection figure;
Wherein, A:1.52 × 108Copy/μ L;B:1.52 × 107Copy/μ L;C:1.52 × 106Copy/μ L;D:1.52 ×
105Copy/μ L;E:1.52 × 104Copy/μ L;F:1.52 × 103Copy/μ L;G:1.52 × 102Copy/μ L;H:1.52 × 101
Copy/μ L;I:1.52 × 100Copy/μ L;J:1.52 × 10-1Copy/μ L;N: negative control;
Fig. 3 is that Standard PCR detects electrophoretogram;
Wherein, M:DL2000DNA molecular weight standard;A:1.52 × 108Copy/μ L;B:1.52 × 107Copy/μ L;C:
1.52×106Copy/μ L;D:1.52 × 105Copy/μ L;E:1.52 × 104Copy/μ L;F:1.52 × 103Copy/μ L;G:
1.52×102Copy/μ L;H:1.52 × 101Copy/μ L;I:1.52 × 100Copy/μ L;N: negative control;
Fig. 4 is real-time fluorescence quantitative PCR specific detection figure.
Wherein, A: positive control;B: porcine pseudorabies virus;C: pig parvoviral;D: porcine circovirus 2 type;E: African pig
Pestivirus;F: classical porcine reproductive and respiratory syndrome virus;G: highly pathogenic PRRSV;H: hog cholera
Poison;I: three attenuated live vaccines strain of diarrhea of pigs (Porcine epidemic diarrhea virus, transmissible gastro-enteritis virus and porcine rotavirus);
J:H1N1 hypotype swine influenza virus;K:H3N2 hypotype swine influenza virus;L: pig reovirus;N: negative control.
Specific embodiment
The present invention is further described with attached drawing combined with specific embodiments below, the advantages and features of the present invention will be with
Description and it is apparent.But examples are merely exemplary for these, and it is not intended to limit the scope of the present invention in any way.This field
Technical staff should be understood that without departing from the spirit and scope of the invention can details to technical solution of the present invention and
Form is modified or is replaced, but these modifications and replacement are fallen within the protection scope of the present invention.
Embodiment 1 is for detecting the related cyclic annular PCR primer of single-stranded DNA viruses of fur sea dog excrement and the design of probe
Referring to J1 plants of FSfaCV of the Rep gene order (No. GenBank: LC133373) that GenBank is included, by life
Object information software carries out sequence alignment to Reference strains, analyzes and obtain the conservative region of FSfaCV Rep gene.Using
GenScript real-time PCR (TaqMan) online primer-design software, design synthesis TaqMan probe and primer.The primer
It is specific as follows including upstream and downstream primer:
Upstream primer qFSfaCV-F:5 '-CGAACCTCGGATGGTCCTAA-3 ', as shown in SEQ ID NO.1;;
Downstream primer qFSfaCV-R:5 '-CAAGAGCATGCCTCTGCAAT-3 ', as shown in SEQ ID NO.2;;
Probe qFSfaCV-P:5 '-Fam-AGCCTCAGCATCAGCAGCACG-Tam-3 ', as shown in SEQ ID NO.3.
The foundation of the related cyclic annular single-stranded DNA viruses fluorescent quantitative PCR detection method of 2 fur sea dog excrement of embodiment
One, the preparation of sample
1. sample acquisition and processing
Clinical health hog snout swab, blood, excrement or tissue sample are acquired, according to a conventional method by the hog snout swab samples of acquisition
It is put into the 1mL PBS containing 50% glycerol, whirlpool concussion, centrifuging and taking supernatant;The blood system of acquisition is from serum;Tissue sample grinding
Homogenate, centrifuging and taking supernatant;The PBS of 5 times of volumes of fecal sample is resuspended, centrifuging and taking supernatant, all samples be placed in -80 DEG C freeze it is standby
With.
2. the extraction of virus genom DNA
The viral genome in sample is extracted according to Axygen body fluid viral DNA/RNA extracts kit operation instructions
DNA is detected or is placed in immediately -20 DEG C of preservations.
Two, the foundation of real-time fluorescence quantitative PCR detection method
Real-time fluorescence quantitative PCR reaction system is 25 μ L;
Real-time fluorescence quantitative PCR reaction condition are as follows: 95 DEG C 3 minutes;95 DEG C 15 seconds, 60 DEG C 30 seconds, 40 circulation;It is recycling
Fluorescence signal detection is carried out when extension.
Three, when fur sea dog excrement related cyclic annular single-stranded DNA viruses quantitative fluorescent PCR standard curve drafting
1, the preparation of standard items
According to China's FSfaCV genomic dna sequence that the macro gene order-checking of previously passed virus obtains, structure is synthesized in vitro
The clone pUC57-FSfaCV containing FSfaCV genomic DNA is built, for constructing plasmid standard.Determined by ultraviolet spectrophotometry
Plasmid DNA concentration calculates copy number, and as a result copy number is 1.52 × 109Copy/μ L, -20 DEG C of preservations.
2, standard items detect
The detection of FSfaCV sonde method real-time fluorescence quantitative PCR is carried out using pUC57-FSfaCV Plasmid DNA as template, is established
Standard curve.
Concrete operations are as follows: the progress of pUC57-FSfaCV Plasmid DNA is serially diluted into 1.52 × 10 for 10 times8Copy/μ L,
1.52×107Copy/μ L, 1.52 × 106Copy/μ L, 1.52 × 105Copy/μ L, 1.52 × 104Copy/μ L, 1.52 × 103It copies
Shellfish/μ L and 1.52 × 102Copy/μ L totally 7 dilutions.
3, the drafting of standard curve
According to the logarithm of gained CT value (cycle threshold) standard items corresponding as ordinate as abscissa, institute
The standard curve of drafting is as shown in Figure 1, slope is y=-3.487x+39.61, R2=0.998.Standard curve is shown: foundation
FSfaCV sonde method real-time fluorescence quantitative PCR detection method has the linear detection range of 7 orders of magnitude, further illustrates the detection
Method sensitivity with higher.
Four, the sensibility of real-time fluorescence quantitative PCR detection method
The progress of pUC57-FSfaCV Plasmid DNA is serially diluted into 1.52 × 10 for 10 times8Copy/μ L, 1.52 × 107Copy/
μL、1.52×106Copy/μ L, 1.52 × 105Copy/μ L, 1.52 × 104Copy/μ L, 1.52 × 103Copy/μ L and 1.52 ×
102Copy/μ L, 1.52 × 101Copy/μ L, 1.52 × 100Copy/μ L and 1.52 × 10-1Copy/μ L totally 10 dilutions, with
Sterile water is negative control, carries out real-time fluorescence quantitative PCR inspection according to the real-time fluorescence quantitative PCR detection method of above-mentioned foundation
It surveys, evaluates the sensibility of reaction system of the present invention.Real-time fluorescence quantitative PCR detection sensitivity amplification curve is as the result is shown: in mould
The fluorescence signal of FSfaCV can be detected when plate concentration is 1.52 copies/μ L, as shown in Figure 2.The FSfaCV that the present invention establishes is real
When fluorescent quantitative PCR detection method have good sensibility.
It according to the diluted concentration of template in real-time fluorescence quantitative PCR, is expanded with regular-PCR, compares verifying.It is general
Lead to PCR result as shown in Figure 3,1.52 × 103The amplifiable purpose band out of copy/μ L genomic DNA, and 1.52 × 102It copies
Shellfish/μ L genomic DNA has no that purpose band expands.The real time fluorescence quantifying PCR method that the present invention establishes is than regular-PCR method
It is 1000 times sensitive.
Five, the specificity of real-time fluorescence quantitative PCR detection method
With porcine pseudorabies virus, pig parvoviral, porcine circovirus 2 type and the DNA of African swine fever virus, and classical poison
Strain and highly pathogenic PRRSV, swine fever virus, three attenuated live vaccines strain (pig epidemic of diarrhea of pigs
Diarrhea virus, transmissible gastro-enteritis virus and porcine rotavirus), H3N2 and H1N1 hypotype swine influenza virus, pig reovirus
CDNA as template according to above-mentioned foundation real-time fluorescence quantitative PCR detection method carry out real-time fluorescence quantitative PCR detection, and with
Water is blank control, 1.52 × 108Copy/μ L pUC57-FSfaCV Plasmid DNA as positive control, evaluation response system
Specificity.
As a result as shown in Figure 4.As the result is shown: real-time fluorescence quantitative PCR only detects the positive control of FSfaCV, and to it
He expands without purpose band pig source virus.As a result illustrate: the FSfaCV real-time fluorescence quantitative PCR that the present invention establishes has good
Specificity.
Detection of 3 real-time fluorescence quantitative PCR detection method of embodiment to clinical sample
With the FSfaCV real time fluorescence quantifying PCR method of foundation to 94 parts of pig clinical serums, respiratory tract swab and tissue sample
Product are detected, wherein 35 parts of detectable FSfaCV special fluorescence signal, recall rate is 37.23% (35/94), and common
The recall rate of PCR is 29.79% (28/94);As it can be seen that the FSfaCV real time fluorescence quantifying PCR method that the present invention establishes is than common
PCR detection method is sensitiveer, accurate.
Sequence table
<110>Harbin Veterinary Medicine Inst., China Academy of Agriculture is (in China Animal Health and Epidemiology Center Harbin point
The heart)
<120>for detect the real-time fluorescence quantitative PCR primers of the related cyclic annular single-stranded DNA viruses of fur sea dog excrement, probe and
It is applied
<130> KLPI190062
<160> 3
<170> PatentIn version 3.3
<210> 1
<211> 20
<212> DNA
<213> artificial sequence
<400> 1
cgaacctcgg atggtcctaa 20
<210> 2
<211> 20
<212> DNA
<213> artificial sequence
<400> 2
caagagcatg cctctgcaat 20
<210> 3
<211> 21
<212> DNA
<213> artificial sequence
<400> 3
agcctcagca tcagcagcac g 21
Claims (6)
1. a kind of for detecting the real-time fluorescence quantitative PCR primer and probe of the related cyclic annular single-stranded DNA viruses of fur sea dog excrement
Combination, which is characterized in that the primer is made of upstream primer and downstream primer, wherein the nucleosides of the upstream primer
Acid sequence is as shown in SEQ ID NO.1, and the nucleotide sequence of the downstream primer is as shown in SEQ ID NO.2, the spy
For the nucleotide sequence of needle as shown in SEQ ID NO.3,5 ' ends of the probe are marked with fluorescent reporter group, and 3 ' ends are marked with fluorescence
Quenching group.
2. PCR primer according to claim 1 and probe combinations, which is characterized in that 5 ' ends of the probe are marked with glimmering
Light reporter group Fam, 3 ' ends are marked with fluorescent quenching group Tam.
3. PCR primer according to claim 1 or 2 and probe combinations, which is characterized in that the PCR primer and probe
When for detecting fur sea dog excrement correlation ring-type single-stranded DNA viruses, real-time fluorescence quantitative PCR reaction system is 25 μ L,
In include:
4. PCR primer according to claim 3 and probe combinations, which is characterized in that viral genome concentration is in template
1.52 copies/μ L or more.
5. PCR primer according to claim 1 and probe combinations, which is characterized in that the PCR primer and probe is used for
When detecting the related cyclic annular single-stranded DNA viruses of fur sea dog excrement, real-time fluorescence quantitative PCR reaction condition are as follows: 95 DEG C 3 minutes;95
DEG C 15 seconds, 60 DEG C 30 seconds, 40 circulations;Fluorescence signal detection is carried out when recycling and extending.
6. the described in any item PCR primers of claim 1-5 and probe combinations are related cyclic annular in preparation detection fur sea dog excrement
Application in single-stranded DNA viruses reagent.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910138489.1A CN109825642A (en) | 2019-02-25 | 2019-02-25 | For detecting real-time fluorescence quantitative PCR primer, probe and its application of the related cyclic annular single-stranded DNA viruses of fur sea dog excrement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910138489.1A CN109825642A (en) | 2019-02-25 | 2019-02-25 | For detecting real-time fluorescence quantitative PCR primer, probe and its application of the related cyclic annular single-stranded DNA viruses of fur sea dog excrement |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109825642A true CN109825642A (en) | 2019-05-31 |
Family
ID=66864277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910138489.1A Pending CN109825642A (en) | 2019-02-25 | 2019-02-25 | For detecting real-time fluorescence quantitative PCR primer, probe and its application of the related cyclic annular single-stranded DNA viruses of fur sea dog excrement |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109825642A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110607404A (en) * | 2019-10-30 | 2019-12-24 | 广西大学 | Real-time fluorescent quantitative PCR (polymerase chain reaction) detection primer for porcine enterovirus G type and kit thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101294223A (en) * | 2007-05-08 | 2008-10-29 | 深圳太太基因工程有限公司 | Primer and probe sequence for testing type II pig circular ring virus nucleotide fragment |
CN101307367A (en) * | 2008-02-20 | 2008-11-19 | 中国农业科学院兰州兽医研究所 | Technology for rapidly detecting porcine circovirus type2 |
CN101343671A (en) * | 2008-08-25 | 2009-01-14 | 湖南省兽医总站 | Fast detecting reagent kit for porcine type 2 circular ring virus PCR |
CN102277455A (en) * | 2011-08-22 | 2011-12-14 | 浙江省农业科学院 | Primer, probe and assay kit used for detecting porcine circovirus, porcine pseudorabies virus and porcine parvovirus |
CN103952498A (en) * | 2014-05-09 | 2014-07-30 | 天津市畜牧兽医研究所 | Porcine circovirus II SYBR Green fluorescence PCR (Polymerase Chain Reaction) diagnostic kit and application thereof |
CN104745729A (en) * | 2015-04-21 | 2015-07-01 | 天津出入境检验检疫局动植物与食品检测中心 | Double fluorescent RT-PCR (Reverse Transcription-Polymerase Chain Reaction) detection reagent for African swine fever viruses and porcine reproductive and respiratory syndrome viruses and preparation method and application thereof |
CN104745731A (en) * | 2015-04-21 | 2015-07-01 | 天津出入境检验检疫局动植物与食品检测中心 | Triple fluorescent RT-PCR (Reverse Transcription-Polymerase Chain Reaction) detection reagent for African swine fever viruses, swine fever viruses and respiratory syndrome viruses and preparation method and application thereof |
-
2019
- 2019-02-25 CN CN201910138489.1A patent/CN109825642A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101294223A (en) * | 2007-05-08 | 2008-10-29 | 深圳太太基因工程有限公司 | Primer and probe sequence for testing type II pig circular ring virus nucleotide fragment |
CN101307367A (en) * | 2008-02-20 | 2008-11-19 | 中国农业科学院兰州兽医研究所 | Technology for rapidly detecting porcine circovirus type2 |
CN101343671A (en) * | 2008-08-25 | 2009-01-14 | 湖南省兽医总站 | Fast detecting reagent kit for porcine type 2 circular ring virus PCR |
CN102277455A (en) * | 2011-08-22 | 2011-12-14 | 浙江省农业科学院 | Primer, probe and assay kit used for detecting porcine circovirus, porcine pseudorabies virus and porcine parvovirus |
CN103952498A (en) * | 2014-05-09 | 2014-07-30 | 天津市畜牧兽医研究所 | Porcine circovirus II SYBR Green fluorescence PCR (Polymerase Chain Reaction) diagnostic kit and application thereof |
CN104745729A (en) * | 2015-04-21 | 2015-07-01 | 天津出入境检验检疫局动植物与食品检测中心 | Double fluorescent RT-PCR (Reverse Transcription-Polymerase Chain Reaction) detection reagent for African swine fever viruses and porcine reproductive and respiratory syndrome viruses and preparation method and application thereof |
CN104745731A (en) * | 2015-04-21 | 2015-07-01 | 天津出入境检验检疫局动植物与食品检测中心 | Triple fluorescent RT-PCR (Reverse Transcription-Polymerase Chain Reaction) detection reagent for African swine fever viruses, swine fever viruses and respiratory syndrome viruses and preparation method and application thereof |
Non-Patent Citations (4)
Title |
---|
ALYSSA SIKORSKI等: "Identification of a Novel Circular DNA Virus in New Zealand Fur Seal (Arctocephalus forsteri) Fecal Matter", 《GENOME ANNOUNC.》 * |
CATARINA MARCON CHIAPPETTA等: "Molecular Detection of Circovirus and Adenovirus in Feces of Fur Seals (Arctocephalus spp.)", 《ECOHEALTH》 * |
MAMI OBA等: "Discovery of fur seal feces-associated circular DNA virus in swine feces in Japan", 《J. VET. MED. SCI.》 * |
李自刚等: "《生物检测技术》", 31 August 2016 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110607404A (en) * | 2019-10-30 | 2019-12-24 | 广西大学 | Real-time fluorescent quantitative PCR (polymerase chain reaction) detection primer for porcine enterovirus G type and kit thereof |
CN110607404B (en) * | 2019-10-30 | 2023-02-03 | 广西大学 | Real-time fluorescent quantitative PCR (polymerase chain reaction) detection primer for porcine enterovirus G and kit thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103509882B (en) | The fluorescence quantification PCR primer of Porcine epidemic diarrhea virus and probe | |
CN107299155A (en) | A kind of primer and probe of goose astrovirus real-time fluorescence quantitative PCR detection | |
CN105483291B (en) | Pig Delta coronavirus, Porcine epidemic diarrhea virus, transmissible gastro-enteritis virus multiple RT-PCR detection primer | |
CN104561368B (en) | Six boar virus multiple real-time fluorescence quantitative PCR quick diagnosis reagent kits | |
WO2020034317A1 (en) | Dual real-time fluorescent quantitative pcr detection reagent and reagent kit for seneca virus a and foot-and-mouth disease virus | |
CN108504778B (en) | Kit that is a kind of while detecting porcine circovirus 2 type and porcine pseudorabies virus and application | |
CN106834549A (en) | The cross primer amplification immune chromatography test paper of detection pseudorabies virus street strain is combined the primer and probe groups and kit of method | |
CN109913591A (en) | A type Sai Nika virus fluorescent quantitative RT-PCR detection method and kit based on TaqMan probe method | |
CN106636459A (en) | Fluorescent RT-RPA specific detection of American porcine reproductive and respiratory syndrome virus | |
CN105907890A (en) | Primers, probe and method for rapidly distinguishing HP-PRRS (High pathogenic porcine reproductive and respiratory syndrome) vaccine strain GDr180 from HP-PRRS wild strain | |
CN107699635A (en) | Porcine epidemic diarrhea virus fluorescence RPA detection methods | |
CN110358864A (en) | The one-step method multiple real time fluorescence quantifying PCR detection primer and probe of SVA, FMDV, SVDV and VSV | |
Qiu et al. | The prevalence of porcine teschovirus in the pig population in northeast of China | |
CN108048600A (en) | A kind of fluorescent quantitative PCR detection method of infectious bovine rhinotrachetis virus | |
CN103981284B (en) | A kind of method and test kit detecting foot and mouth disease virus in aerosol | |
CN108411014A (en) | Differentiate the primer and probe and detection method of A types and the dual real-time fluorescence quantitative PCR of Type B ox pasteurella multocida | |
CN109825642A (en) | For detecting real-time fluorescence quantitative PCR primer, probe and its application of the related cyclic annular single-stranded DNA viruses of fur sea dog excrement | |
Zhou et al. | Buffalo-origin Seneca Valley virus in China: first report, isolation, genome characterization, and evolution analysis | |
Zhang et al. | Rapid detection of pigeon Megrivirus using TaqMan real-time PCR technology | |
Guo et al. | Development and application of a recombinase-aided amplification and lateral flow assay for rapid detection of pseudorabies virus from clinical crude samples | |
CN105925729A (en) | Primer, probe, kit and method for fluorogenic quantitative PCR detection on pig delta coronavirus | |
Shen et al. | A Novel, Cleaved Probe-Based Reverse Transcription Loop-Mediated Isothermal Amplification Method for Specific and Sensitive Detection of Porcine Deltacoronavirus | |
CN103131797B (en) | A kind of bocavirus real-time fluorescence PCR detection reagent kit and application thereof | |
AU2021103861A4 (en) | Method and kit for differentially detecting porcine pseudorabies vaccine virus and wild virus | |
CN105907894B (en) | Taqman real-time fluorescence PCR kit for detecting circovirus type II in piglet umbilical cord blood and application thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190531 |
|
RJ01 | Rejection of invention patent application after publication |