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- W4210932276 abstract "Abstract Chain-length specific subsets of diacylglycerol (DAG) lipids are proposed to regulate differential physiological responses ranging from signal transduction to modulation of the membrane properties. However, the mechanism or molecular players regulating the subsets of DAG species remains unknown. Here, we uncover the role of a conserved eukaryotic protein family, DISCO-interacting protein 2 (DIP2) as a homeostatic regulator of a chemically distinct subset of DAGs using yeast, fly and mouse models. Genetic and chemical screens along with lipidomics analysis in yeast reveal that DIP2 prevents the toxic accumulation of specific DAGs in the logarithmic growth phase, which otherwise leads to endoplasmic reticulum stress. We also show that the fatty acyl-AMP ligase-like domains of DIP2 are essential for the redirection of the flux of DAG subspecies to storage lipid, triacylglycerols. Such modulation of selective DAG abundance by DIP2 is found to be crucial for optimal vacuole-membrane fusion and consequently osmoadaptation in yeast. Thus, the study illuminates an unprecedented DAG metabolism route and provides new insights on how cell fine-tunes DAG subspecies for cellular homeostasis and environmental adaptation." @default.
- W4210932276 created "2022-02-09" @default.
- W4210932276 creator A5005292171 @default.
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- W4210932276 creator A5068711249 @default.
- W4210932276 creator A5077887907 @default.
- W4210932276 date "2022-02-07" @default.
- W4210932276 modified "2023-10-16" @default.
- W4210932276 title "DIP2 is a unique regulator of diacylglycerol lipid homeostasis in eukaryotes" @default.
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