Novel chitinase-producing bacteria and plants 机翻标题: 暂无翻译,请尝试点击翻译按钮。

公开号/公开日
US4940840 A 1990-07-10 [US4940840] / 1990-07-10
申请号/申请日
1986US-06888033 / 1986-07-18
发明人
SUSLOW TREVOR V;JONES JONATHAN D G;
申请人
ADVANCED GENETIC SCIENCES;GRACE BROTHERS;
主分类号
IPC分类号
A01N-063/00C12N-009/24C12N-015/82C12P-021/04
摘要
(US4940840) Novel bacteria strains are decribed which are created by the introduction of DNA encoding for the production of chitinase, an enzyme capable of degrading chitin present in fungi and nematodes.  The strains have utility in producing chitinase for the purpose of inhibiting plant pathogens.  Novel pathogen-resistant plants are also described which are created by introduction of DNA encoding for the production of chitinase.
机翻摘要
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地址
代理人
代理机构
;
优先权号
1984US-06593691 1984-03-26 1986US-06888033 1986-07-18
主权利要求
(US4940840) What is claimed is: 1.  A method of inhibiting chitinous fungal pathogens comprising introducing into a dicotyledonous plant a DNA sequence encoding for chitinase activity to create a transformed plant under conditions whereby the transformed plant expresses chitinase in active form. 2. The method of claim 1 wherein said DNA sequence is isolated from a bacterial source. 3. The method of claim 1 wherein said DNA sequence is substantially homologous to chitinase-encoding DNA contained in ATCC -39637 or ATCC -67152. 4. The method of claim 1 wherein said DNA sequence is fused to a plant promoter. 5. The method of claim 1 wherein said DNA sequence is introduced using Agrobacterium. 6. The method of claim 1 wherein the transformed plant expresses chitinase in biologically active form as measurable by an assay using Tobacco Brown Spot. 7. A transformed dicotyledonous plant resistant to chitinous fungal pathogens, said transformed plant containing a DNA sequence encoding for chitinase activity and said DNA sequence having been introduced into the plant by transformation under conditions whereby the transformed plant expresses chitinase in active form. 8. The plant of claim 7 wherein said DNA sequence is isolated from a bacterial source. 9. The plant of claim 7 wherein said DNA sequence is substantially homologous to chitinase-encoding DNA contained in ATCC -39637 or ATCC -67152. 10. The plant of claim 7 wherein said DNA sequence is fused to a plant promoter. 11. The plant of claim 7 wherein said DNA sequence is introduced using Agrobacterium. 12. The plant of claim 7 wherein the transformed plant expresses chitinase in biologically active form as measurable by an assay using Tobacco Brown Spot.
法律状态
(US4940840) LEGAL DETAILS FOR US4940840  Actual or expected expiration date=2006-07-18    Legal state=DEAD    Status=EXPIRED     Event publication date=1986-07-18  Event code=US/APP  Event indicator=Pos  Event type=Examination events  Application details  Application country=US US06888033  Application date=1986-07-18  Standardized application number=1986US-06888033     Event publication date=1986-07-18  Event code=US/EXMR  Event type=Administrative notifications  USPTO Examiner Name Primary Examiner: FOX, DAVID T    Event publication date=1986-07-18  Event code=US/ART  Event type=Administrative notifications  USPTO Art Group  ART=1804     Event publication date=1986-07-18  Event code=US/ENT  Event type=Administrative notifications  Entity Status Set to Undiscounted Business Entity Status: UNDISCOUNTED    Event publication date=1986-07-18  Event code=US/AIA  Event type=Administrative notifications  First Inventor File Indicated:  AIA=No     Event publication date=1986-07-18  Event code=US/DK  Event type=Examination events  Attorney Docket Number Docket Nbr: 8638.28-2    Event publication date=1986-07-18  Event code=US/CUST  Event type=Examination events  Attorney/Agent Customer Number Customer Nbr: 27887    Event publication date=1986-11-28  Event code=US/AS  Event type=Change of name or address  Event type=Reassignment  Assignment  Effective date of the event=1986-11-17  ASSIGNMENT OF ASSIGNORS INTEREST ASSIGNORS:SUSLOW, TREVOR V. JONES, JONATHAN D. G. REEL/FRAME:004637/0566     Event publication date=1986-11-28  Event code=US/AS  Event type=Change of name or address  Event type=Reassignment  Assignment  Effective date of the event=1986-11-17  ASSIGNMENT OF ASSIGNORS INTEREST. ASSIGNORS:SUSLOW, TREVOR V. JONES, JONATHAN D. G. REEL/FRAME:004637/0566     Event publication date=1987-01-15  Event code=US/CLMPA  Event type=OAI  Event type=Corrections  Claim Preliminary Amendment    Event publication date=1987-01-15  Event code=US/POAC  Event type=Change of name or address  Change in Power of Attorney (May Include Associate POA)    Event publication date=1987-04-03  Event code=US/IDS  Event type=Examination events  Event type=OAI  Information Disclosure Statement Filed    Event publication date=1987-04-20  Event code=US/APE  Event type=Corrections  Preliminary amendments    Event publication date=1987-06-10  Event code=US/DOCK  Event indicator=Pos  Event type=Examination events  Case Docketed to Examiner    Event publication date=1987-08-24  Event code=US/CLMPA  Event type=OAI  Event type=Corrections  Claim Preliminary Amendment    Event publication date=1988-05-24  Event code=US/DOCK  Event indicator=Pos  Event type=Examination events  Case Docketed to Examiner    Event publication date=1988-06-20  Event code=US/CTNF  Event type=Examination events  Event type=OA  Event type=OAO  Non-Final Rejection    Event publication date=1989-01-17  Event code=US/CTNFR  Event type=Examination events  Event type=OAI  Response after Non-Final Action    Event publication date=1989-01-17  Event code=US/136G  Event type=OAO  Request for Extension of Time - Granted    Event publication date=1989-03-17  Event code=US/CTFR  Event type=Examination events  Event type=OA  Event type=OAO  Final Rejection    Event publication date=1989-07-25  Event code=US/EXIN  Event type=Examination events  Event type=OAO  Event type=INT  Examiner Interview Summary Record (PTOL - 413)    Event publication date=1989-09-25  Event code=US/NOAPLF  Event type=APL  Notice of Appeal Filed    Event publication date=1989-09-25  Event code=US/136G  Event type=OAO  Request for Extension of Time - Granted    Event publication date=1989-09-28  Event code=US/EXIN  Event type=Examination events  Event type=OAO  Event type=INT  Examiner Interview Summary Record (PTOL - 413)    Event publication date=1989-10-02  Event code=US/NOAM  Event indicator=Pos  Event type=Examination events  Event type=OAO  Mail Notice of Allowance    Event publication date=1989-11-20  Event code=US/AS  Event type=Change of name or address  Event type=Reassignment  Assignment  Effective date of the event=1989-07-12  ASSIGNMENT OF ASSIGNORS INTEREST. ASSIGNOR:DNA PLANT TECHNOLOGIES, INC. REEL/FRAME:005184/0474     Event publication date=1989-11-20  Event code=US/CLMPA  Event type=OAI  Event type=Corrections  Claim Preliminary Amendment    Event publication date=1989-11-20  Event code=US/ENT  Event type=Administrative notifications  Entity Status Set to Undiscounted    Event publication date=1989-11-20  Event code=US/POAC  Event type=Change of name or address  Change in Power of Attorney (May Include Associate POA)    Event publication date=1990-05-16  Event code=US/PAT  Event indicator=Pos  Event type=Event indicating In Force  Patented Case    Event publication date=1990-05-21  Event code=US/ISSM  Event indicator=Pos  Event type=Examination events  Event type=OAO  Event type=Restitution or restoration  Issue Notification Mailed    Event publication date=1990-06-08  Event code=US/ISSM  Event indicator=Pos  Event type=Examination events  Event type=OAO  Event type=Restitution or restoration  Issue Notification Mailed    Event publication date=1990-07-10  Event code=US/A  Event indicator=Pos  Event type=Event indicating In Force  Patents Granted before 2001-04-15  Publication country=US  Publication number=US4940840  Publication stage Code=A  Publication date=1990-07-10  Standardized publication number=US4940840     Event publication date=1993-08-09  Event code=US/FPAY  Event indicator=Pos  Event type=Event indicating In Force  Event type=Payment or non-payment notifications  Fee payment recorded   Annual fees payment date=1993-08-09     Year of payment of annual fees=4     Event publication date=1997-07-15  Event code=US/NMFP  Event type=Payment or non-payment notifications  Publication of First Notice of Maintenance Fees Payable. PAYMENT NOTICE YEAR:  Year of payment of annual fees=7     Event publication date=1997-09-04  Event code=US/FPAY  Event indicator=Pos  Event type=Event indicating In Force  Event type=Payment or non-payment notifications  Fee payment recorded   Annual fees payment date=1997-09-04     Year of payment of annual fees=8     Event publication date=2001-07-24  Event code=US/NMFP  Event type=Payment or non-payment notifications  Publication of First Notice of Maintenance Fees Payable. PAYMENT NOTICE YEAR:  Year of payment of annual fees=11     Event publication date=2001-10-23  Event code=US/AS  Event type=Change of name or address  Event type=Reassignment  Assignment  Effective date of the event=2001-08-10  JUDGEMENT ABSTRACT OF JUDGMENT WRIT OF EXECUTION ASSIGNOR:DNA PLANT TECHNOLOGY CORPORATION REEL/FRAME:012302/0489     Event publication date=2001-12-10  Event code=US/FPAY  Event indicator=Pos  Event type=Event indicating In Force  Event type=Payment or non-payment notifications  Fee payment recorded   Annual fees payment date=2001-12-10     Year of payment of annual fees=12     Event publication date=2003-03-18  Event code=US/POAC  Event type=Change of name or address  Change in Power of Attorney (May Include Associate POA)    Event publication date=2006-07-18  Event code=US/EEDX  Event indicator=Neg  Event type=Event indicating Not In Force  Patent has expired
专利类型码
A
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