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The Peculiar Structure of Acetobacter pasteurianus CIP103108 LPS Core Oligosaccharide
Author(s) -
Marchetti Roberta,
Nieto Fabregat Ferran,
Pallach Mateusz,
Gully Djamel,
Giraud Eric,
Molinaro Antonio,
Duda Katarzyna A.,
Silipo Alba
Publication year - 2021
Publication title -
chembiochem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.05
H-Index - 126
eISSN - 1439-7633
pISSN - 1439-4227
DOI - 10.1002/cbic.202000597
Subject(s) - acetic acid bacteria , oligosaccharide , chemistry , acetic acid , core (optical fiber) , sugar , bacteria , biochemistry , food science , biology , physics , optics , genetics
Acetobacter pasteurianus , a member of the Alphaproteobacteria , is an acetic acid‐producing bacterium present on sugar‐rich substrates such as such as fruits, flowers and vegetables and traditionally used in the production of fermented food. The preferred living habitat associated with acid conditions makes the structure of the bacterial cell wall interesting to study, due to expected uncommon features. We have used a combination of chemical, analytical and NMR spectroscopy approaches to define the complete structure of the core oligosaccharide from A. pasteurianus CIP103108 LPS. Interestingly, the core oligosaccharide displays a high concentration of negatively charged groups, structural features that might contribute to reinforcing the bacterial membrane.