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A TPR-family membrane protein gene is required for light-activated heterotrophic growth of the cyanobacterium Synechocystis sp PCC 6803
Kong, RQ; Xu, XD; Hu, ZY; Xu, XD, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
2003
Source PublicationFEMS MICROBIOLOGY LETTERS
Volume219Issue:1Pages:75-79
AbstractThe unicellular cyanobacterium Synechocystis sp. PCC6803 can grow heterotrophically in complete darkness, given that a brief period of illumination is supplemented every day (light-activated heterotrophic growth, LAHG), or under very weak ( < 0.5 mumol m(-2) s(-1)) but continuous light. By random insertion of the genome with an antibiotic resistance cassette, mutants defective in LAHG were generated. In two identical mutants, sll0886, a tetratricopeptide repeat (TPR)-family membrane protein gene, was disrupted. Targeted insertion of sll0886 and three downstream genes showed that the phenotype was not due to a polar effect. The sll0886 mutant shows normal photoheterotrophic growth when the light intensity is at 2.5 mumol m(-2) s(-1) or above, but no growth at 0.5 mumol m(-2) s(-1). Homologs to sll0886 are also present in cyanobacteria that are not known of LAHG. sll0886 and homologs may be involved in controlling different physiological processes that respond to light of low fluence. (C) 2003 Federation of European Microbiological Societies. Published by Elsevier Science B.V. All rights reserved.
KeywordLight-activated Heterotrophic Growth Tetratricopeptide Repeat-family Protein Gene Synechocystis Pcc6803
DepartmentChinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
Subject AreaMicrobiology
Indexed BySCI
WOS IDWOS:000181306900012
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Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/9736
Collection期刊论文
Corresponding AuthorXu, XD, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Kong, RQ,Xu, XD,Hu, ZY,et al. A TPR-family membrane protein gene is required for light-activated heterotrophic growth of the cyanobacterium Synechocystis sp PCC 6803[J]. FEMS MICROBIOLOGY LETTERS,2003,219(1):75-79.
APA Kong, RQ,Xu, XD,Hu, ZY,&Xu, XD, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China.(2003).A TPR-family membrane protein gene is required for light-activated heterotrophic growth of the cyanobacterium Synechocystis sp PCC 6803.FEMS MICROBIOLOGY LETTERS,219(1),75-79.
MLA Kong, RQ,et al."A TPR-family membrane protein gene is required for light-activated heterotrophic growth of the cyanobacterium Synechocystis sp PCC 6803".FEMS MICROBIOLOGY LETTERS 219.1(2003):75-79.
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