Variations in the Degree of d -Alanylation of Teichoic Acids in Lactococcus lactis Alter Resistance to Cationic Antimicrobials but Have No Effect on Bacterial Surface Hydrophobicity and Charge | Zendy

Efstathios Giaouris | Zendy; Romain Briandet | Zendy; Mickaël Meyrand | Zendy; Pascal Courtin | Zendy; MariePierre ChapotChartier | Zendy

Open Access

Variations in the Degree of d -Alanylation of Teichoic Acids in Lactococcus lactis Alter Resistance to Cationic Antimicrobials but Have No Effect on Bacterial Surface Hydrophobicity and Charge

Author(s) -

Efstathios Giaouris,

Romain Briandet,

Mickaël Meyrand,

Pascal Courtin,

MariePierre ChapotChartier

Publication year - 2008

Publication title -

applied and environmental microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.552

H-Index - 324

eISSN - 1070-6291

pISSN - 0099-2240

DOI - 10.1128/aem.00078-08

Subject(s) - teichoic acid , lactococcus lactis , nisin , cationic polymerization , lysozyme , bacterial cell structure , antimicrobial , biofilm , lantibiotics , cell envelope , microbiology and biotechnology , chemistry , surface charge , adhesion , bacteria , cell wall , biology , biochemistry , peptidoglycan , lactic acid , polymer chemistry , escherichia coli , organic chemistry , gene , genetics

An increase of the degree of d-alanylation of teichoic acids in Lactococcus lactis resulted in a significant increase of bacterial resistance toward the cationic antimicrobials nisin and lysozyme, whereas the absence of D-alanylation led to a decreased resistance toward the same compounds. In contrast, the same variations of the D-alanylation degree did not modify bacterial cell surface charge and hydrophobicity. Bacterial adhesion to polystyrene and glass surfaces was not modified either.

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