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Structural characterization of a nonionic rhamnolipid from Burkholderia lata

Gauthier, Charles ORCID logoORCID: https://orcid.org/0000-0002-2475-2050; Lavoie, Serge; Kubicki, Sonja; Piochon, Marianne; Cloutier, Maude; Dagenais-Roy, Maude; Groleau, Marie-Christine; Pichette, Andre; Thies, Stephan et Déziel, Éric ORCID logoORCID: https://orcid.org/0000-0002-4609-0115 (2023). Structural characterization of a nonionic rhamnolipid from Burkholderia lata Carbohydrate Research , vol. 535 , nº 108991. pp. 1-7. DOI: 10.1016/j.carres.2023.108991.

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Résumé


We present the isolation and structural characterization of a novel nonionic dirhamnolipid methyl ester produced by the bacterium Burkholderia lata. The structure and the absolute configuration of the isolated dirhamnolipid bearing a symmetrical C(14)-C(14) methyl ester chain were thoroughly investigated through chemical degradation and spectroscopic methods including 1D and 2D NMR analysis, HR-ESI-TOF-MS, chiral GC-MS, and polarimetry. Our work represents the first mention in the literature of a rhamnolipid methyl ester from Burkholderia species.

Type de document: Article
Mots-clés libres: Biosurfactants; Burkholderia lata; Methyl ester; Nonionic rhamnolipids; Nuclear magnetic resonance; Structural characterization
Centre: Centre INRS-Institut Armand Frappier
Date de dépôt: 04 janv. 2024 14:39
Dernière modification: 04 janv. 2024 14:39
URI: https://espace.inrs.ca/id/eprint/13898

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