Genome-wide transcriptome analysis of hydrogen production in the cyanobacterium Synechocystis: Towards the identification of new players - CNRS - Centre national de la recherche scientifique Accéder directement au contenu
Article Dans Une Revue International Journal of Hydrogen Energy Année : 2013

Genome-wide transcriptome analysis of hydrogen production in the cyanobacterium Synechocystis: Towards the identification of new players

Résumé

We report the development of new tools and methods for facile integration and meaningful representation of high throughput data generated by genome-wide analyses of the model cyanobacterium Synechocystis PCC6803, for future genetic engineering aiming at increasing its level of hydrogen photoproduction. These robust tools comprise new oligonucleotide DNA microarrays to monitor the transcriptomic responses of all 3725 genes of Synechocystis, and the SVGMapping method and custom-made templates to represent the metabolic reprogramming for improved hydrogen production. We show, for the first time, that the AbrB2 repressor of the hydrogenase-encoding operon, also regulates metal transport and protection against oxidative stress, as well as numerous plasmid genes, which have been overlooked so far. This report will stimulate the construction and global analysis of hydrogen production mutants with the prospect of developing powerful cell factories for the sustainable production of hydrogen, as well as investigations of the probable role of plasmids in this process.
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Dates et versions

hal-00862889 , version 1 (23-09-2013)

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Christophe Leplat, Raphaël Champeimont, Panatda Saenkham, Corinne Cassier-Chauvat, Jean-Christophe Aude, et al.. Genome-wide transcriptome analysis of hydrogen production in the cyanobacterium Synechocystis: Towards the identification of new players. International Journal of Hydrogen Energy, 2013, 38 (4), pp.1866-1872. ⟨10.1016/j.ijhydene.2012.11.118⟩. ⟨hal-00862889⟩
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