Article
SPX1 is a phosphate-dependent inhibitor of Phosphate Starvation Response 1 in Arabidopsis.
Proceedings of the National Academy of Sciences of the United States of America - 14 Oct 2014
Puga María Isabel, Mateos Isabel, Charukesi Rajulu, Wang Zhiye, Franco-Zorrilla José M, de Lorenzo Laura, Irigoyen María L, Masiero Simona, Bustos Regla, Rodríguez José, Leyva Antonio, Rubio Vicente, Sommer Hans, Paz-Ares Javier
Abstract excerpt
To cope with growth in low-phosphate (Pi) soils, plants have evolved adaptive responses that involve both developmental and metabolic changes. Phosphate Starvation Response 1 (PHR1) and related transcription factors play a central role in the control of Pi starvation responses (PSRs). How Pi levels control PHR1 activity, and thus PSRs, remains to be elucidated. Here, we identify a direct Pi-dependent inhibitor of...
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