Title : Site-specific phosphorylation of TRANSPARENT TESTA GLABRA1 mediates carbon partitioning in Arabidopsis seeds.

Pub. Date : 2018 Feb 8

PMID : 29422671






5 Functional Relationships(s)
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1 Here we show that phosphorylation of TRANSPARENT TESTA GLABRA1 (TTG1) is regulated by SHAGGY-like kinases 11/12 (SK11/12) and that this mediates carbon flow to fatty acid synthesis and seed coat traits in Arabidopsis seeds. Carbon Transducin/WD40 repeat-like superfamily protein Arabidopsis thaliana
2 Here we show that phosphorylation of TRANSPARENT TESTA GLABRA1 (TTG1) is regulated by SHAGGY-like kinases 11/12 (SK11/12) and that this mediates carbon flow to fatty acid synthesis and seed coat traits in Arabidopsis seeds. Fatty Acids Transducin/WD40 repeat-like superfamily protein Arabidopsis thaliana
3 SK11/12 phosphorylate TTG1 at serine 215, thus preventing TTG1 interaction with TRANSPARENT TESTA2. Serine Transducin/WD40 repeat-like superfamily protein Arabidopsis thaliana
4 SK11/12 phosphorylate TTG1 at serine 215, thus preventing TTG1 interaction with TRANSPARENT TESTA2. Serine Transducin/WD40 repeat-like superfamily protein Arabidopsis thaliana
5 Therefore, site-specific phosphorylation of TTG1 by SK11/SK12 regulates carbon partitioning between zygotic and maternal sinks in seeds. Carbon Transducin/WD40 repeat-like superfamily protein Arabidopsis thaliana