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题名: Molecular cloning, prokaryotic expression, and purification of an alternatively spliced oligochitosan-induced Ser/Thr protein kinase in tobacco
作者: Yang, Jinli1, 2;  Yin, Heng1;  Lu, Hang1, 2;  Zhao, Xiaoming1;  Du, Yuguang1
关键词: oligochitosan ;  Ser/Thr protein kinase ;  alternative splicing ;  tobacco ;  resistance
刊名: ISRAEL JOURNAL OF PLANT SCIENCES
发表日期: 2010
DOI: 10.1560/IJPS.58.1.67
卷: 58, 期:1, 页:67-75
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Life Sciences & Biomedicine
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
英文摘要: Oligochitosan elicitor has been reported to induce a variety of defense responses in plants. In our previous work, OIPK (oligochitosan induced protein kinase), which was a Ser/Thr protein kinase, was identified to be induced by oligochitosan through mRNA differential display. When OIPK was repressed in transgenic tobacco, decreased resistance to tobacco mosaic virus (TMV) was observed, which suggested that OIPK might play a role in resistance to TMV in tobacco. To investigate how OIPK functions in oligochitosan-induced tobacco resistance, here we cloned two spliced variants of OIPK gene: OIPKL and OIPKS. The OIPK and OIPKS sequences were almost identical with the OIPKL sequence, except that they lack some segments compared to OIPKL. The full-length OIPKL cDNA was inserted into pET-23b vector, prokaryotically expressed, and purified from inclusion bodies in E. coli strain BL21 (DE3). An anti-His antibody was able to recognize the His-tag in the OIPKL fusion protein, as revealed by immunoblotting. This prokaryotically expressed product could serve as a useful tool for further research on OIPK function in the signal transduction in tobacco resistance.
关键词[WOS]: MOSAIC-VIRUS RESISTANCE ;  DEFENSE RESPONSES ;  PLANT-DEFENSE ;  DISEASE RESISTANCE ;  OXIDATIVE BURST ;  GENE ;  CHITOSAN ;  ARABIDOPSIS ;  ACTIVATION ;  ELICITOR
语种: 英语
WOS记录号: WOS:000285721100009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141766
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Liaoning Prov Key Lab Carbohydrates, Dept Biotechnol, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Yang, Jinli,Yin, Heng,Lu, Hang,et al. Molecular cloning, prokaryotic expression, and purification of an alternatively spliced oligochitosan-induced Ser/Thr protein kinase in tobacco[J]. ISRAEL JOURNAL OF PLANT SCIENCES,2010,58(1):67-75.
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