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Frédéric Barras on Muck Rack

Frédéric Barras

As seen in: PLOS Biology, BioRxiv
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Articles

Filamentation-driven peripheral clustering of the inducible lysine decarboxylase is crucial for E. coli acid stress response

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By Moritz Kirchner, Jessica Khoury, Frédéric Barras, Jean-Philippe Kleman
| BioRxiv
Abstract Bacteria have evolved numerous sophisticated acid stress response strategies to withstand fluctuating environmental pH, with enterobacterial inducible amino acid decarboxylases playing a major role. The lysine decarboxylase LdcI catalyses lysine-to-cadaverine conversion coupled to proton consumption and carbon dioxide release, thereby buffering cytoplasmic and extracellular pH.
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The essential role of 2,4-dienoyl-CoA reductase for degradation of complex fatty acid mixtures

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By Viola Pavoncello, Frédéric Barras, Emmanuelle Bouveret, Veronica Schiaffi
| BioRxiv
Abstract Fatty acids (FAs) can be used as carbon and energy source by most bacteria. FAs are very diverse and show variations in aliphatic chain length, degree and kind of branching, and number of double bonds. After their import in the cell and their activation by a thioester link to Coenzyme A, fatty acids are degraded by the beta-oxidation machinery constituted of the Fad proteins.
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Components of iron-Sulfur cluster assembly machineries are robust phylogenetic markers to trace the origin of mitochondria and plastids

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By Pierre Garcia, Frédéric Barras
| PLOS Biology Verified
Loading metrics Open Access Peer-reviewed Short Reports Short Reports offer exciting novel biological findings that may trigger new research directions. See Journal Information » Citation: Garcia PS, Barras F, Gribaldo S (2023) Components of iron–Sulfur cluster assembly machineries are robust phylogenetic markers to trace the origin of mitochondria and plastids. PLoS Biol 21(11): e3002374. https://doi.org/10.1371/journal.pbio.3002374 Academic Editor: Filipa L.
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