Reference: Kelso C, et al. (2024) Temperature adaptation of yeast phospholipid molecular species at the acyl chain positional level. FEBS Lett

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Abstract


Yeast is a poikilothermic organism and adapts its lipid composition to the environmental temperature to maintain membrane physical properties. Studies addressing temperature-dependent adaptation of the lipidome have described changes in the phospholipid composition at the level of sum composition (e.g. PC 32:1) and molecular composition (e.g. PC 16:0_16:1). However, there is little information at the level of positional isomers (e.g. PC 16:0/16:1 versus PC 16:1/16:0). Here, we used collision- and ozone-induced dissociation (CID/OzID) mass spectrometry to investigate homeoviscous adaptation of PC, PE and PS to determine the phospholipid acyl chains at the sn-1 and sn-2 position. Our data establish the sn-molecular species composition of PC, PE and PS in the lipidome of yeast cultured at different temperatures.

Reference Type
Journal Article
Authors
Kelso C, Maccarone AT, de Kroon AIPM, Mitchell TW, Renne MF
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