Literature DB >> 31209075

Preventing Accidental Heterocyst Development in Cyanobacteria.

Wei-Yue Xing1,2,3, Cheng-Cai Zhang4,2.   

Abstract

The filamentous cyanobacterium Anabaena can form heterocysts specialized in N2 fixation, mostly through a cascade of transcriptional activation in response to the nitrogen starvation signal 2-oxoglutarate. It is reported now that a transcription repressor, CalA, acts as a safety device to prevent heterocyst development under certain conditions where the 2-oxoglutarate level may touch the threshold to trigger unnecessary initiation of heterocyst development. Such a control may increase the fitness of Anabaena under a constantly changing environment.
Copyright © 2019 American Society for Microbiology.

Entities:  

Keywords:  Anabaena; cell differentiation; metabolic balance; nitrogen fixation; transcriptional regulation

Mesh：

Substances：

Year:  2019        PMID： 31209075      PMCID： PMC6689310          DOI： 10.1128/JB.00349-19

Source DB:  PubMed          Journal:  J Bacteriol        ISSN： 0021-9193            Impact factor:   3.490


  30 in total

1.  PatS and products of nitrogen fixation control heterocyst pattern.

Authors:  H S Yoon; J W Golden
Journal:  J Bacteriol       Date:  2001-04       Impact factor: 3.490

2.  Ectopic expression of hetP can partially bypass the need for hetR in heterocyst differentiation by Anabaena sp. strain PCC 7120.

Authors:  Kelly C Higa; Sean M Callahan
Journal:  Mol Microbiol       Date:  2010-06-09       Impact factor: 3.501

Review 3.  Heterocyst differentiation and pattern formation in cyanobacteria: a chorus of signals.

Authors:  Cheng-Cai Zhang; Sophie Laurent; Samer Sakr; Ling Peng; Sylvie Bédu
Journal:  Mol Microbiol       Date:  2006-01       Impact factor: 3.501

4.  Regulation of CO on heterocyst differentiation and nitrate uptake in the cyanobacterium Anabaena sp. PCC 7120.

Authors:  R-J Kang; D-J Shi; W Cong; Z-L Cai; F Ouyang
Journal:  J Appl Microbiol       Date:  2005       Impact factor: 3.772

5.  Cyanobacteria perceive nitrogen status by sensing intracellular 2-oxoglutarate levels.

Authors:  M I Muro-Pastor; J C Reyes; F J Florencio
Journal:  J Biol Chem       Date:  2001-07-30       Impact factor: 5.157

6.  Expression of the Anabaena hetR gene from a copper-regulated promoter leads to heterocyst differentiation under repressing conditions.

Authors:  W J Buikema; R Haselkorn
Journal:  Proc Natl Acad Sci U S A       Date:  2001-02-20       Impact factor: 11.205

7.  CalA, a cyAbrB protein, binds to the upstream region of ftsZ and is down-regulated in heterocysts in Anabaena sp. PCC 7120.

Authors:  Dongli He; Xudong Xu
Journal:  Arch Microbiol       Date:  2010-04-20       Impact factor: 2.552

8.  Nonmetabolizable analogue of 2-oxoglutarate elicits heterocyst differentiation under repressive conditions in Anabaena sp. PCC 7120.

Authors:  Sophie Laurent; Han Chen; Sylvie Bédu; Fabio Ziarelli; Ling Peng; Cheng-Cai Zhang
Journal:  Proc Natl Acad Sci U S A       Date:  2005-06-28       Impact factor: 11.205

9.  Anabaena sp. strain PCC 7120 hetY gene influences heterocyst development.

Authors:  Ho-Sung Yoon; Martin H Lee; Jin Xiong; James W Golden
Journal:  J Bacteriol       Date:  2003-12       Impact factor: 3.490

10.  Mutual dependence of the expression of the cell differentiation regulatory protein HetR and the global nitrogen regulator NtcA during heterocyst development.

Authors:  Alicia M Muro-Pastor; Ana Valladares; Enrique Flores; Antonia Herrero
Journal:  Mol Microbiol       Date:  2002-06       Impact factor: 3.501
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