KR950701381A - De-nitrified preparat showing α-L-arabinofuranosidase activity, preparation method and application method thereof - Google Patents

De-nitrified preparat showing α-L-arabinofuranosidase activity, preparation method and application method thereof

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KR950701381A
KR950701381A KR1019940703394A KR19940703394A KR950701381A KR 950701381 A KR950701381 A KR 950701381A KR 1019940703394 A KR1019940703394 A KR 1019940703394A KR 19940703394 A KR19940703394 A KR 19940703394A KR 950701381 A KR950701381 A KR 950701381A
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preparat
wood pulp
arabinofuranosidase
enzymatic activity
ile
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로젠버그 유겐
쇼햄 유발
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스티그 노르딘.번스 닐슨
코어스내스 악크티에볼락
루벤 에쉘
더 텍크니온 리서치 앤드 디벨롭먼트 파운데이션 엘티디
하나넬 크바틴스키.즈비 쇼스한
라모트-유니버시티 어서리티 퍼 어플라이드 리서치 앤드 인더스트리알 디벨롭먼트 엘티디
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Application filed by 스티그 노르딘.번스 닐슨, 코어스내스 악크티에볼락, 루벤 에쉘, 더 텍크니온 리서치 앤드 디벨롭먼트 파운데이션 엘티디, 하나넬 크바틴스키.즈비 쇼스한, 라모트-유니버시티 어서리티 퍼 어플라이드 리서치 앤드 인더스트리알 디벨롭먼트 엘티디 filed Critical 스티그 노르딘.번스 닐슨
Priority claimed from PCT/SE1993/000269 external-priority patent/WO1993020192A1/en
Publication of KR950701381A publication Critical patent/KR950701381A/en

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    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1036Use of compounds accelerating or improving the efficiency of the processes

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Abstract

본 발명은 65℃의 온도 및 pH 8-9에서 목재 펄프를 탈목질화시킬 수 있는 α-L-아라비노푸라노시다제의 실질적인 부분을 포함하는 효소 활성을 나타내는 프레파라트에 관한 것이다. 상기 프레파라트는 균주 NCIMB 40494로부터 선별된 바실러스 스테아로써모필러스 균주 및 돌연변이체와 변형체를 적당한 배지에서 호기성 발효시킴에 의해 얻어질 수 있다. 기탁된 균주 및 그 돌연변이체와 변형체는 본 발명에 속한다. 또한, 상기 프레파라트를 생산하는 방법, 상기 프레파라트를 사용하여 목재 펄프를 처리하는 방법, 상기 프레파라트로 처리된 목재 펄프 및 또한 다른 미생물 균주에 의해 생상된 효소 활성을 나타내며 65℃의 온도 및 pH 8-9에서 목재 펄프를 탈목질화시킬 수 있는 프레파라트와 공동하는 상기 프레파라트에 관한 것이다. 또한, 본 발명은 기탁된 균주에 의해 발현된 효소 및 1 또는 2가지의 특정 부분 배열 및 그 호모로 그를 함유하는 α-L-아라비노푸라노시다제의 사용 방법을 포함한다.The present invention relates to a preparat exhibiting enzymatic activity comprising a substantial portion of α-L-arabinofuranosidase capable of de-wooding wood pulp at a temperature of 65 ° C. and pH 8-9. The preparat can be obtained by aerobic fermentation of Bacillus stearothermophilus strains and mutants and variants selected from strain NCIMB 40494 in a suitable medium. Deposited strains and their mutants and variants belong to the present invention. In addition, the method of producing the preparat, the method of treating wood pulp using the preparat, the wood pulp treated with the preparat, and also the enzyme activity produced by the other microbial strains and exhibits a temperature of 65 ℃ and pH 8-9 And to preparat in combination with a preparat capable of de-wooding wood pulp. The present invention also encompasses the use of enzymes expressed by deposited strains and α-L-arabinofuranosidase containing one or two specific subarrays and homozygous thereof.

Description

α-L-아라비노푸라노시다제 활성을 나타내는 탈목질화(脫木質化) 프레파라트와 그 제조방법 및 응용방법De-nitrified preparat showing α-L-arabinofuranosidase activity, preparation method and application method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (17)

균주 NCIMB 40494로부터 선별된 바실러스 스테아로써모필러스 균주 및 상기 균주 NCIMB 40494와 동일한 프레파라트를 실질적으로 생산해낼 수 있는 돌연변이체 및 변형체를 적당한 배지에서 호기성 발효시킴에 의해 얻어질 수 있는 효소 활성을 나타내는 프레파라트로서, 상기 프레파라트의 효소 활성은 65℃의 온도 및 pH 8-9에서 목재 펄프를 탈목질화시킬 수 있는 α-L-아라비노푸라노시다제의 실질적인 부분을 포함하는 것을 나타내는 프레파라트.Bacillus stearothermophilus strain selected from strain NCIMB 40494 and mutants and variants capable of substantially producing the same preparat as the strain NCIMB 40494 as a preparat exhibiting enzymatic activity that can be obtained by aerobic fermentation in a suitable medium. , Preparat, indicating that the enzymatic activity of the preparat comprises a substantial portion of α-L-arabinofuranosidase capable of degranulating wood pulp at a temperature of 65 ° C. and pH 8-9. 제1항에 있어서, 상기 프레파라트는 맑은 배양 브로스(clarified culture broth)인 것을 특징으로 하는 프레파라트.The preparat according to claim 1, wherein the preparat is a clarified culture broth. 제2항에 있어서, 상기 프레파라트는 목재 펄트 매개물내에서 α-L-아라비노푸라노시다제 활성을 나타내는 상기 배양 브로스의 농축 프랙션일 것을 특징으로 하는 프레파라트.The preparat according to claim 2, wherein the preparat is a concentrated fraction of the culture broth that exhibits α-L-arabinofuranosidase activity in wood pulp mediators. 제3항에 있어서, 상기 α-L-아라비노푸라노시다제 활성은 각각 약 52,500 Da 및 57,500 Da의 분자량을 갖는 2가지의 서브-유니트(sub-unit)로 이루어진 α-L-아라비노푸라노시다제로부터 유도되는 것을 특징으로 하는 프레파라트.4. The α-L-arabinofura composition of claim 3, wherein the α-L-arabinofuranosidase activity consists of two sub-units having a molecular weight of about 52,500 Da and 57,500 Da, respectively. Preparat, characterized in that it is derived from nocidase. 다른 미생물 균중 의해 생산된 효소 활성을 나타내며 적어도 65℃의 온도 및 pH 8-9에서 목재 펄프를 탈목질화시킬 수 있는 프레파라트와 공동하는 제1 내지 4항중 어느 한항에 따른 프레파라트.The preparat according to any one of claims 1 to 4, which exhibits enzymatic activity produced by other microbial flora and which co-operates with a preparat capable of de-wooding wood pulp at a temperature of at least 65 ° C and pH 8-9. 제5항에 있어서, 상기 프레파라트는 바실러스 스테아로써모필러스 균주 NCIMB 40494에 의해 생산된 α-L-아라비노푸라노시다제 및 바실러스 스테아로모필러스 균주 NCIMB 40222에 의해 생산된 크실라나제를 함유하는 것을 특징으로 하는 프레파라트.The method of claim 5, wherein the preparat contains α-L-arabinofuranosidase produced by Bacillus stearomorpho strain NCIMB 40494 and xylanase produced by Bacillus stearomophilus strain NCIMB 40222. Preparat characterized in that. N-말단 부분 아미노선 배열(SEQ ID NO :1)N-terminal partial amino acid sequence (SEQ ID NO: 1) Met? Gln Pro Tyu Arg Pro? Glu Glu LeuMet? Gln Pro Tyu Arg Pro? Glu glu leu 또는 그것의 호모르그(homologue)를 함유하는 아미노산 배열을 갖는 α-L-아라비노푸라노시다제Or α-L-arabinofuranosidase having an amino acid sequence containing a homologue thereof N-말단 부분 아미노산 배열(SEQ ID NO :2)N-terminal partial amino acid sequence (SEQ ID NO: 2) Ser Met Lys Lys Ala Thr Met Ile Ile Ile Glu Lys Asp Phe Lys Ile Ala Glu Ile Asp Lys Arg Ile Tyr 또는 그것의 호모로그를 함유하는 아미노선 배열을 갖는 α-L-아라비노푸라노시다제Α-L-arabinofuranosidase having an amino acid sequence containing Ser Met Lys Lys Ala Thr Met Ile Ile Ile Glu Lys Asp Phe Lys Ile Ala Glu Ile Asp Lys Arg Ile Tyr or its homolog 균주 NCIMB 40494로부터 선별된 바실러스 스테아로써모필러스 균주 및 상기 NCIMB 40494 균주와 동일한 프레파라트를 실질적으로 동일하게 생산해낼 수 있는 돌연변이체 및 변형체를 적당한 배지에서 호기성 발효시키게 하는, 효소 활성을 나타내는 프레파라트의 제조 방법으로서, 상기 프레파라트의 효소 활성은 65℃의 온도 및 pH 8-9에서 목재 펄프를 탈목질화시킬 수 있는 α-L-아라비노푸라노시다제의 실질적인 부분을 포함하는 것을 특징으로 하는 효소 활성을 나타내는 프레파라트의 제조 방법.A method for preparing a preparat showing an enzymatic activity, which allows aerobic fermentation of a Bacillus stearothermophilus strain selected from strain NCIMB 40494 and a mutant and a variant capable of producing substantially the same preparat as the NCIMB 40494 strain in an appropriate medium. As an example, the enzymatic activity of the preparat indicates an enzymatic activity, characterized in that it comprises a substantial portion of α-L-arabinofuranosidase capable of de-wooding wood pulp at a temperature of 65 ° C. and pH 8-9. Method for preparing preparat. 분리된 바실러스 스테아로써모필러스 균주 NCIMB 40494와 돌연변이체 변형체로서, 상기 돌연변이체 및 변형체는 상기 NCIMB 40494 균주와 동일한 효소 활성을 나타내는 프레파라트를 실질적으로 생산해낼수 있으며, 상기 효소 활성은 65℃의 온도 및 pH 8-9에서 목재 펄프를 탈목질화시킬 수 있는 α-L-아라비노푸라노시다제 활성의 실질적인 부분을 포함하는 것을 특징으로 하는 분리된 바실러스 스테아로써모필러스 균주 NCIMB 40494와 그 돌연변이체 및 변형체As an isolated Bacillus stearothermophilus strain NCIMB 40494 and a mutant variant, said mutants and variants are capable of substantially producing preparat which exhibits the same enzymatic activity as the NCIMB 40494 strain, wherein the enzymatic activity is at a temperature of 65 ° C. and pH Isolated Bacillus stearothermophilus strain NCIMB 40494 and its mutants and variants, characterized in that it comprises a substantial portion of α-L-arabinofuranosidase activity capable of de-wooding wood pulp in 8-9 목재 펄프를 처리하는데 있어서 바실러스 스테아로써모필러스 균주 NCIMB 40494에 의해 발현된 효소를 사용하는 방법.A method of using an enzyme expressed by Bacillus stearothermophilus strain NCIMB 40494 in treating wood pulp. 목재 펄프를 처리하는 방법으로서, 목재 펄프를 적어도 한 공정에서 특허 청구 범위 제1 내지 6항에 따른 프레파라트를 사용하여 처리하는 것을 특징으로 하는 목재펄프를 처리하는 방법.A method of treating wood pulp, wherein the wood pulp is treated in at least one process using the preparat according to claims 1 to 6. 제12항에 있어서, 상기 목재 펄프는 설페이트 펄프인 것을 특징으로 하는 방법.13. The method of claim 12, wherein the wood pulp is sulfate pulp. 제13항에 있어서, 상기 목재 펄프는 부분적으로 탈목질화된 설페이트 펄프인 것을 특징으로 하는 방법.The method of claim 13, wherein the wood pulp is a partially denitrified sulfate pulp. 제14항에 있어서, 상기 부분적으로 탈목질화된 설페이트 펄프는 산소로 탈목질화된 설페이트 펄프인 것을 특징으로 하는 방법.15. The method of claim 14, wherein the partially degranulated sulfate pulp is sulfate pulp demineralized with oxygen. 제1 내지 6항에 따른 프레파라트를 사용하여 적어도 한 공정에서 처리된 것을 특징으로 하는 목재 펄프.Wood pulp, which is treated in at least one process using the preparat according to claim 1. 아미노산 배열(SEQ ID NO : 1)Amino Acid Sequence (SEQ ID NO: 1) Met? Gln Pro Tyu Arg Pro? Glu Glu LeuMet? Gln Pro Tyu Arg Pro? Glu glu leu 및/또는 아미노선 배열(SEQ ID NO : 2)And / or amino acid sequence (SEQ ID NO: 2) Ser Met Lys Lys Ala Thr Met Ile Ile Ile Glu Lys Asp Phe Lys Ile Ala Glu Ile Asp Lys Arg Ile Tyr에 대한 유전 암호를 지정하는 뉴클레오티드 배열을 인식하는 DNA 또는 RNA 프로브.Ser Met Lys Lys Ala Thr Met Ile Ile Ile Glu Lys Asp Phe Lys Ile Ala Glu Ile Asp Lys Arg Ile A DNA or RNA probe that recognizes a nucleotide sequence that specifies a genetic code for Tyr. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940703394A 1992-03-31 1993-03-30 De-nitrified preparat showing α-L-arabinofuranosidase activity, preparation method and application method thereof KR950701381A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9201006A SE501096C2 (en) 1992-03-31 1992-03-31 Delignifying preparations exhibiting alpha-L-arabinofuranosidase activity, preparation and application thereof
SE9201006-5 1992-03-31
PCT/SE1993/000269 WO1993020192A1 (en) 1992-03-31 1993-03-30 DELIGNIFYING PREPARATION EXHIBITING α-L-ARABINOFURANOSIDASE ACTIVITY, PRODUCTION AND APPLICATION THEREOF

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EP0633932A1 (en) 1995-01-18
SE9201006D0 (en) 1992-03-31
FI944501A0 (en) 1994-09-28
HU9402800D0 (en) 1995-01-30
SK118594A3 (en) 1995-07-11
HUT70460A (en) 1995-10-30
SE9201006L (en) 1993-10-01
CA2132335A1 (en) 1993-10-14

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