World Journal of Microbiology and Biotechnology, ( ISI ), Volume (27), No (8), Year (2011-6) , Pages (1267-1280)

Title : ( Different aspects of bacterial communication signals )

Authors: Saeed Tarighi , Parissa Taheri ,

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Abstract

Abstract The communication or quorum-sensing signal molecules (QSSM) are specialized molecules used by numerous gram-negative bacterial pathogens of animals and plants to regulate or modulate bacterial virulence factor production. In plant-associated bacteria, genes encoding the production of these signal molecules, QSSMs, were discovered to be linked with the phenotype of bacterium, because mutation of these genes typically disrupts some behaviors of bacteria. There are other regulator genes which respond to the presence of signal molecule and regulate the production of signal molecule as well as some virulence factors. The synthesis and regulator genes (collectively called quorum-sensing genes hereafter) are repressed in low bacterial population but induced when bacteria reach to high cell density. Multiple regulatory components have been identified in the bacteria that are under control of quorum sensing. This review describes different communication signal molecules, and the various chemical, physical and genomic factors known to synthesize signals. Likewise, the role of some signal-degrading enzymes or compounds and the interaction of QSSMs with eukaryotic metabolism will be discussed here.

Keywords

, AHL, AI-2, DSF, PAME, PQS, Quorum quenching , Quorum sensing
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@article{paperid:1017618,
author = {Tarighi, Saeed and Taheri, Parissa},
title = {Different aspects of bacterial communication signals},
journal = {World Journal of Microbiology and Biotechnology},
year = {2011},
volume = {27},
number = {8},
month = {June},
issn = {0959-3993},
pages = {1267--1280},
numpages = {13},
keywords = {AHL; AI-2; DSF; PAME; PQS; Quorum quenching ; Quorum sensing},
}

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%0 Journal Article
%T Different aspects of bacterial communication signals
%A Tarighi, Saeed
%A Taheri, Parissa
%J World Journal of Microbiology and Biotechnology
%@ 0959-3993
%D 2011

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