中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Modulation of a thermoregulated type vi secretion system by ahl-dependent quorum sensing in yersinia pseudotuberculosis

文献类型:期刊论文

作者Zhang, Weipeng1,2; Xu, Shengjuan1,2; Li, Jing1,2; Shen, Xihui1; Wang, Yao1; Yuan, Zhiming1
刊名Archives of microbiology
出版日期2011-05-01
卷号193期号:5页码:351-363
关键词Yersinia pseudotuberculosis Type vi secretion system Quorum sensing N-acylhomoserine Lactones
ISSN号0302-8933
DOI10.1007/s00203-011-0680-2
通讯作者Wang, yao(ywang@wh.iov.cn)
英文摘要The type vi secretion system (t6ss) is a novel secretion system found in many gram-negative bacterial pathogens, which appears to be tightly regulated by different regulatory mechanisms. in the present study, we identified 4 t6ss clusters in yersinia pseudotuberculosis and demonstrated that they were differentially thermoregulated. among them, t6ss4 was preferentially expressed at 26a degrees c, and its expression was growth phase dependent and subject to quorum sensing regulation. both ypsi and ytbi ahl synthases contributed to the positive regulation of t6ss4, whereas ypsi synthase played the major role as t6ss4 expression was reduced strongly in the ypsi mutant strain but weakly in the ytbi mutant strain. moreover, we provided evidence that exogenous addition of different synthetic ahls complemented t6ss4 expression in different efficiencies in an ypsiytbi double mutant strain, suggesting c6-hsl had an antagonistic effect on t6ss4 expression. this is the first study demonstrating that the expression of t6ss is precisely regulated by temperature, growth phase, and ahl-dependent quorum sensing systems in y. pseudotuberculosis.
WOS关键词N-ACYLHOMOSERINE LACTONES ; TARGET-CELL CONTACT ; PSEUDOMONAS-AERUGINOSA ; PROTEIN SECRETION ; AGROBACTERIUM-TUMEFACIENS ; AEROMONAS-HYDROPHILA ; BIOFILM FORMATION ; CLINICAL ISOLATE ; DNA INTERACTIONS ; STRESS-RESPONSE
WOS研究方向Microbiology
WOS类目Microbiology
语种英语
WOS记录号WOS:000289433900005
出版者SPRINGER
URI标识http://www.irgrid.ac.cn/handle/1471x/2375902
专题武汉病毒研究所
通讯作者Wang, Yao
作者单位1.Chinese Acad Sci, Wuhan Inst Virol, Wuhan 430071, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Weipeng,Xu, Shengjuan,Li, Jing,et al. Modulation of a thermoregulated type vi secretion system by ahl-dependent quorum sensing in yersinia pseudotuberculosis[J]. Archives of microbiology,2011,193(5):351-363.
APA Zhang, Weipeng,Xu, Shengjuan,Li, Jing,Shen, Xihui,Wang, Yao,&Yuan, Zhiming.(2011).Modulation of a thermoregulated type vi secretion system by ahl-dependent quorum sensing in yersinia pseudotuberculosis.Archives of microbiology,193(5),351-363.
MLA Zhang, Weipeng,et al."Modulation of a thermoregulated type vi secretion system by ahl-dependent quorum sensing in yersinia pseudotuberculosis".Archives of microbiology 193.5(2011):351-363.

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来源:武汉病毒研究所

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