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Article

Expression and mutational analysis of the glnB genomic region in the heterocyst-forming Cyanobacterium Anabaena sp. strain PCC 7120.

Journal of bacteriology - 1 Apr 2009

Paz-Yepes Javier, Flores Enrique, Herrero Antonia

Abstract excerpt

In the filamentous, heterocyst-forming cyanobacterium Anabaena sp. strain PCC 7120, the glnB gene is expressed at considerable levels both in the presence and in the absence of combined nitrogen, although induction, influenced by NtcA, takes place upon combined-nitrogen deprivation likely localized to vegetative cells. In spite of extensive efforts, a derivative of PCC 7120 lacking a functional glnB gene could be...

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PMID: 19181812
DOI: 10.1128/JB.01381-08
PMCID: PMC2655514

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Expression and mutational analysis of the glnB genomic region in the heterocyst-forming Cyanobacterium Anabaena sp. strain PCC 7120.PMID 19181812Read ↗

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ABC-type neutral amino acid permease N-I is required for optimal diazotrophic growth and is repressed in the heterocysts of Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

All0809/8/7 is a DevBCA-like ABC-type efflux pump required for diazotrophic growth in Anabaena sp. PCC 7120.Semantic proximity Read ↗

Anabaena sp. strain PCC 7120 ntcA gene required for growth on nitrate and heterocyst development.Semantic proximity Read ↗

ABC-type amino acid uptake transporters Bgt and N-II of Anabaena sp. strain PCC 7120 share an ATPase subunit and are expressed in vegetative cells and heterocysts.Semantic proximity Read ↗

Requirement of the regulatory protein NtcA for the expression of nitrogen assimilation and heterocyst development genes in the cyanobacterium Anabaena sp. PCC 7120.Semantic proximity Read ↗

Description of five mutants of the cyanobacterium Anabaena sp strain PCC 7120 affected in heterocyst differentiation and identification of the transposon-tagged genes.Semantic proximity Read ↗

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ppGpp metabolism is involved in heterocyst development in the cyanobacterium Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

A TolC-like protein is required for heterocyst development in Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

All4312, an NtcA-regulated two-component response regulator in Anabaena sp. strain PCC 7120.Semantic proximity Read ↗

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