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Role of Rbp1 in the Acquired Chill-Light Tolerance of Cyanobacteria
Tan, Xiaoming; Zhu, Tao; Shen, Si; Yin, Chuntao; Gao, Hong; Xu, Xudong; Xu, XD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; xux@ihb.ac.cn
2011
Source PublicationJOURNAL OF BACTERIOLOGY
ISSN0021-9193
Volume193Issue:11Pages:2675-2683
AbstractSynechocystis sp. strain PCC 6803 cultured at 30 degrees C losses viability quickly under chill (5 degrees C)-light stress but becomes highly tolerant to the stress after conditioning at 15 degrees C (Y. Yang, C. Yin, W. Li, and X. Xu, J. Bacteriol. 190:1554-1560, 2008). Hypothetically, certain factors induced during preconditioning are involved in acquisition of chill-light tolerance. In this study, Rbp1 (RNA-binding protein 1) rather than Rbp2 was found to be accumulated during preconditioning, and the accumulation of Rbp1 was correlated with the increase of chill-light tolerance. Inactivation of its encoding gene rbp1 led to a great reduction in the acquired chill-light tolerance, while ectopic expression of rbp1 enabled the cyanobacterium to survive the chill-light stress without preconditioning. Microarray analyses suggested that the Rbp1-dependent chill-light tolerance may not be based on its influence on mRNA abundance of certain genes. Similarly to that in Synechocystis, the Rbp1 homologue(s) can be accumulated in Microcystis cells collected from a subtropic lake in low-temperature seasons. Rbp1 is the first factor shown to be both accumulated early during preconditioning and directly involved in development of chill-light tolerance in Synechocystis. Its accumulation may greatly enhance the overwintering capability in certain groups of cyanobacteria.
KeywordRna-binding Protein Sp Strain Pcc-6803 Microcystis-aeruginosa Kutz Synechocystis Sp Pcc-6803 Alpha-tocopherol Pcc 6803 Growth Gene Identification Temperature
Department[Tan, Xiaoming; Zhu, Tao; Shen, Si; Yin, Chuntao; Gao, Hong; Xu, Xudong] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Subject AreaMicrobiology
Funding OrganizationNational Natural Science Foundation of China [30825003]; State Key Basic Research Development Program of China [2008CB418001] ; National Natural Science Foundation of China [30825003]; State Key Basic Research Development Program of China [2008CB418001] ; National Natural Science Foundation of China [30825003]; State Key Basic Research Development Program of China [2008CB418001] ; National Natural Science Foundation of China [30825003]; State Key Basic Research Development Program of China [2008CB418001]
Indexed BySCI
Language英语
WOS IDWOS:000290527900001
Funding OrganizationNational Natural Science Foundation of China [30825003]; State Key Basic Research Development Program of China [2008CB418001] ; National Natural Science Foundation of China [30825003]; State Key Basic Research Development Program of China [2008CB418001] ; National Natural Science Foundation of China [30825003]; State Key Basic Research Development Program of China [2008CB418001] ; National Natural Science Foundation of China [30825003]; State Key Basic Research Development Program of China [2008CB418001]
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Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/15690
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorXu, XD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; xux@ihb.ac.cn
Recommended Citation
GB/T 7714
Tan, Xiaoming,Zhu, Tao,Shen, Si,et al. Role of Rbp1 in the Acquired Chill-Light Tolerance of Cyanobacteria[J]. JOURNAL OF BACTERIOLOGY,2011,193(11):2675-2683.
APA Tan, Xiaoming.,Zhu, Tao.,Shen, Si.,Yin, Chuntao.,Gao, Hong.,...&xux@ihb.ac.cn.(2011).Role of Rbp1 in the Acquired Chill-Light Tolerance of Cyanobacteria.JOURNAL OF BACTERIOLOGY,193(11),2675-2683.
MLA Tan, Xiaoming,et al."Role of Rbp1 in the Acquired Chill-Light Tolerance of Cyanobacteria".JOURNAL OF BACTERIOLOGY 193.11(2011):2675-2683.
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