Coordinated Regulation of Cold-Induced Changes in Fatty Acids with Cardiolipin and Phosphatidylglycerol Composition among Phospholipid Species for the Food Pathogen Listeria monocytogenes
- 15 July 2008
- journal article
- Published by American Society for Microbiology in Applied and Environmental Microbiology
- Vol. 74 (14), 4543-4549
- https://doi.org/10.1128/aem.02041-07
Abstract
We present here the structural identification of four phospholipid (Phl) classes in Listeria monocytogenes , the fatty acid (FA) composition for each individual Phl species, and a description of cold-induced FA changes. Cardiolipin (48.5%) and phosphatidylglycerol (18.1%) are dominated by anteiso-FA, and the previously recognized branched FA chain shortening by cold was observed singularly in these Phls. Phosploaminolipid (19.9%) and phosphatidylinositol, (9.1%) are significantly different, containing significant amounts of straight-chain FA. These findings are supported by nuclear magnetic resonance analysis.Keywords
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