Article
SUCROSE TRANSPORTER 5 supplies Arabidopsis embryos with biotin and affects triacylglycerol accumulation.
The Plant journal : for cell and molecular biology - 1 Feb 2013
Pommerrenig Benjamin, Popko Jennifer, Heilmann Mareike, Schulmeister Sylwia, Dietel Katharina, Schmitt Bianca, Stadler Ruth, Feussner Ivo, Sauer Norbert
Abstract excerpt
The Arabidopsis SUC5 protein represents a classical sucrose/H(+) symporter. Functional analyses previously revealed that SUC5 also transports biotin, an essential co-factor for fatty acid synthesis. However, evidence for a dual role in transport of the structurally unrelated compounds sucrose and biotin in plants was lacking. Here we show that SUC5 localizes to the plasma membrane, and that the SUC5 gene is...
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