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Outer membrane proteins induced by iron deficiency in Anabaena sp PCC 7120
Dong, Yanling; Xu, Xudong; Xu, XD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2009
Source PublicationPROGRESS IN NATURAL SCIENCE
Volume19Issue:11Pages:1477-1483
AbstractIron deficiency can induce cyanobacteria to synthesize siderophore receptor proteins on the outer membrane to enhance the uptake of iron. In this study, an outer membrane of high purity was prepared from Anabaena sp. PCC 7120 based on aqueous polymer two-phase partitioning and discontinuous sucrose density ultra-centrifugation, and the induction of outer membrane proteins by iron deficiency was investigated using 2-D gel electrophoresis. At least. five outer membrane proteins were newly synthesized or significantly up-regulated in cells transferred to iron-deficient conditions, which were all identified to be siderophore receptor proteins according to MALDI-TOF-MS analyses. Bacterial luciferase reporter genes luxAB were employed to monitor the transcription of the encoding genes. The genes were induced by iron deficiency at the transcriptional level in different responsive modes. Luciferase activity expressed from an iron-regulated promoter may be used as a bioreporter for utilizable iron in natural water samples. (C) 2009 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
KeywordAnabaena Outer Membrane Siderophore Receptors Iron Deficiency
Department[Dong, Yanling; Xu, Xudong] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Subject AreaMultidisciplinary Sciences
Funding OrganizationState Key Basic Research Development Program [2008CB418001]; National Natural Science Foundation of China [30825003] ; State Key Basic Research Development Program [2008CB418001]; National Natural Science Foundation of China [30825003] ; State Key Basic Research Development Program [2008CB418001]; National Natural Science Foundation of China [30825003] ; State Key Basic Research Development Program [2008CB418001]; National Natural Science Foundation of China [30825003]
Indexed BySCI
Language英语
WOS IDWOS:000271340100003
Funding OrganizationState Key Basic Research Development Program [2008CB418001]; National Natural Science Foundation of China [30825003] ; State Key Basic Research Development Program [2008CB418001]; National Natural Science Foundation of China [30825003] ; State Key Basic Research Development Program [2008CB418001]; National Natural Science Foundation of China [30825003] ; State Key Basic Research Development Program [2008CB418001]; National Natural Science Foundation of China [30825003]
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7508
Collection期刊论文
Corresponding AuthorXu, XD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Dong, Yanling,Xu, Xudong,Xu, XD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China. Outer membrane proteins induced by iron deficiency in Anabaena sp PCC 7120[J]. PROGRESS IN NATURAL SCIENCE,2009,19(11):1477-1483.
APA Dong, Yanling,Xu, Xudong,&Xu, XD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.(2009).Outer membrane proteins induced by iron deficiency in Anabaena sp PCC 7120.PROGRESS IN NATURAL SCIENCE,19(11),1477-1483.
MLA Dong, Yanling,et al."Outer membrane proteins induced by iron deficiency in Anabaena sp PCC 7120".PROGRESS IN NATURAL SCIENCE 19.11(2009):1477-1483.
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