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Hal
Article . 2018
License: CC BY
Data sources: Hal
image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
HAL AMU
Article . 2018
License: CC BY
Data sources: HAL AMU
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[Carbon catabolite repression or how bacteria choose their favorite sugars].

Authors: Galinier, Anne;

[Carbon catabolite repression or how bacteria choose their favorite sugars].

Abstract

Carbon catabolite repression is an important regulatory mechanism allowing bacteria, but also yeast and fungi, to preferentially use easily metabolizable carbon sources (like glucose) over relatively less favorable carbon sources (for example, organic acids and alcohols). This phenomenon is illustrated by diauxic growth during which bacteria assimilate firstly energy-efficient and rapidly metabolizable sugars then less-favored carbohydrates. A variety of molecular mechanisms are involved in carbon catabolite repression in order to control not only the expression of genes involved in the utilization of alternative carbon sources but also the expression of genes involved in several processes like virulence, competence etc. In this review, are described the main molecular mechanisms found in enterobacteria and in firmicutes and the importance of the sugar-uptake phosphotransferase system for these molecular mechanisms.

La répression catabolique permet aux bactéries, mais aussi aux levures ou champignons, une utilisation préférentielle des sources de carbone. Ce phénomène se traduit par une croissance diauxique1 durant laquelle les bactéries assimilent d’abord les sources de carbone rapidement métabolisables, puis les sources de carbone non préférentielles. Divers mécanismes moléculaires sont responsables de la répression catabolique et contrôlent non seulement l’expression de gènes impliqués dans l’utilisation de sources de carbone alternatives, mais aussi l’expression de plusieurs gènes impliqués dans des processus cellulaires variés. Cette synthèse décrit les principaux mécanismes moléculaires retrouvés chez les entérobactéries et chez les firmicutes, ainsi que l’importance du système des phosphotransférases dans cette régulation.

Country
France
Keywords

[SDV] Life Sciences [q-bio], Catabolite Repression, Bacteria, Virulence, Animals, Carbohydrate Metabolism, Humans, Gene Expression Regulation, Bacterial, Sugars, Carbon

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
Green