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Biosynthesis of Osmoregulated Periplasmic Glucans in Escherichia coli : The Phosphoethanolamine Transferase Is Encoded by opgE

Abstract : Osmoregulated periplasmic glucans (OPGs) are oligosaccharides found in the periplasm of many Gram-negative bacteria. Glucose is the sole constitutive sugar and this backbone may be substituted by various kinds of molecules depending on the species. In E. coli, OPG are substituted by phosphoglycerol and phosphoethanolamine derived from membrane phospholipids and by succinyl residues. In this study, we describe the isolation of the opgE gene encoding the phosphoethanolamine transferase by a screen previously used for the isolation of the opgB gene encoding the phosphoglycerol transferase. Both genes show structural and functional similarities without sequence similarity.
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Submitted on : Monday, May 20, 2019 - 10:54:37 AM
Last modification on : Saturday, June 25, 2022 - 10:37:28 PM

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Sébastien Bontemps-Gallo, Virginie Cogez, Catherine Robbe-Masselot, Kevin Quintard, Jacqueline Dondeyne, et al.. Biosynthesis of Osmoregulated Periplasmic Glucans in Escherichia coli : The Phosphoethanolamine Transferase Is Encoded by opgE. BioMed Research International , Hindawi Publishing Corporation, 2013, 2013, pp.371429. ⟨10.1155/2013/371429⟩. ⟨hal-02133971⟩

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