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BARRAS , Frédéric

Last name: BARRAS

First name: Frédéric

2006 (v1)

Journal article

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The desert of Tataouine: an extreme environment that hosts a wide diversity of microorganisms and radiotolerant bacteria.

Chanal, Angélique Chapon, Virginie Benzerara, Karim

The phylogenetic diversity of prokaryotic communities exposed to arid conditions in the hot desert of Tataouine (south Tunisia) was estimated with a combination of a culture and – molecular-based analysis. Thirty-one isolates, representative of each dominant morphotypes, were affiliated to Actinobacteria , Firmicutes , Proteobacteria and the...

Uploaded on: December 3, 2022
June 24, 2019 (v1)

Publication

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The ubiK protein is an accessory factor necessary for bacterial Ubiquinone (UQ) biosynthesis and forms a complex with the UQ biogenesis factor UbiJ

Loiseau, Laurent Fyfe, Cameron David Aussel, Laurent

Ubiquinone (UQ), also referred to as coenzyme Q, is a widespread lipophilic molecule in both prokaryotes and eukaryotes in which it primarily acts as an electron carrier. Eleven proteins are known to participate in UQ biosynthesis in Escherichia coli, and we recently demonstrated that UQ biosynthesis requires additional, nonenzymatic factors,...

Uploaded on: March 27, 2023