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The TOC159 null mutant of Arabidopsis thaliana is impaired in the accumulation of plastid lipids and phosphatidylcholine.

Plant physiology and biochemistry : PPB - 1 Feb 2021

Afitlhile Meshack, Worthington Rebecca, Heda Ghanshyam, Brown Logan

Abstract excerpt

We used electrospray ionization tandem mass spectrometry to profile glycerolipids in the TOC159 null mutant of Arabidopsis, which is referred to as plastid protein import 2, or ppi2. The goal was to evaluate the impact of a defective atToc159 receptor in the accumulation of plastid lipids. The ppi2 mutant is severely impaired in the accumulation of monogalactosyldiacylglycerol (MGDG), digalactosyldiacylglycerol...

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PMID: 33360238
DOI: 10.1016/j.plaphy.2020.12.011

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