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N Biotechnol. 2010 Dec 31;27(6):870-81. doi: 10.1016/j.nbt.2010.05.002. Epub 2010 May 9.

FtsQ interaction mutants: a way to identify new antibacterial targets.

Author information

1
General Microbiology Laboratory, Biology Department, University Tor Vergata Rome, Italy.

Abstract

FtsQ is a highly conserved component of the divisome that plays a central role in the assembly of early and late cell division proteins. The biological activity of this protein is still largely unknown, but its ability to interact with many components of the divisome was described by both two-hybrid assays and co-immunoprecipitation experiments. This paper describes the behaviour of ftsQ point mutants, created by random mutagenesis without regard to their phenotype, in which FtsQ is impaired in its ability to interact with its Escherichia coli division partners. Our results allow the identification of FtsQ residues involved in the interaction with other partner proteins and the determination of the biological significance of these interactions. The knowledge derived by this study could constitute not only the basis for understanding how these proteins assemble in the divisome, but also a starting point for the design of new antibacterial drugs that disrupt the bacterial division machinery.

PMID:
20460179
DOI:
10.1016/j.nbt.2010.05.002
[Indexed for MEDLINE]

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