Analysis of ftsQ mutant alleles in Escherichia coli: complementation, septal localization, and recruitment of downstream cell division proteins.

doi:10.1128/JB.184.3.695-705.2002

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Article

Analysis of ftsQ mutant alleles in Escherichia coli: complementation, septal localization, and recruitment of downstream cell division proteins.

Journal of bacteriology - 1 Feb 2002

Chen Joseph C, Minev Michael, Beckwith Jon

Abstract excerpt

FtsQ, a 276-amino-acid, bitopic membrane protein, is one of the nine proteins known to be essential for cell division in gram-negative bacterium Escherichia coli. To define residues in FtsQ critical for function, we performed random mutagenesis on the ftsQ gene and identified four alleles (ftsQ2, ftsQ6, ftsQ15, and ftsQ65) that fail to complement the ftsQ1(Ts) mutation at the restrictive temperature. Two of the...

Topics

Alleles
Bacterial Proteins
Cell Compartmentation
Cell Cycle Proteins
Cell Division
Escherichia coli
Escherichia coli Proteins
Membrane Proteins
Mutation
Phenotype
Selection, Genetic

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Identifiers

PMID: 11790739
DOI: 10.1128/JB.184.3.695-705.2002
PMCID: PMC139535

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