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Article

PlmA, a new member of the GntR family, has plasmid maintenance functions in Anabaena sp. strain PCC 7120.

Journal of bacteriology - 1 Aug 2003

Lee Martin H, Scherer Michael, Rigali Sébastien, Golden James W

Abstract excerpt

The filamentous cyanobacterium Anabaena (Nostoc) sp. strain PCC 7120 maintains a genome that is divided into a 6.4-Mb chromosome, three large plasmids of more that 100 kb, two medium-sized plasmids of 55 and 40 kb, and a 5.5-kb plasmid. Plasmid copy number can be dynamic in some cyanobacterial species, and the genes that regulate this process have not been characterized. Here we show that mutations in an open...

Topics

Anabaena
Bacterial Proteins
Culture Media
DNA-Binding Proteins
Escherichia coli Proteins
Gene Dosage
Gene Expression Regulation, Bacterial
Genes, Bacterial
Glutamate-Ammonia Ligase
Mutation
Phylogeny

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Plasmids

Polymerase Chain Reaction

Repressor Proteins

Transcription Factors

Source

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Identifiers

PMID: 12867439
DOI: 10.1128/JB.185.15.4315-4325.2003
PMCID: PMC165748

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