Article
Arabidopsis nitrate reductase activity is stimulated by the E3 SUMO ligase AtSIZ1.
Nature communications - 19 Jul 2011
Park Bong Soo, Song Jong Tae, Seo Hak Soo
Abstract excerpt
Small ubiquitin-related modifier (SUMO) is a small polypeptide that modulates protein activity and regulates hormone signalling, abiotic and biotic responses in plants. Here we show that AtSIZ regulates nitrogen assimilation in Arabidopsis through its E3 SUMO ligase function. Dwarf plants of siz1-2 flower early, show abnormal seed development and have high salicylic acid content and enhanced resistance to...
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