ROPGEF1 cDNA ORF clone, Arabidopsis thaliana(thale cress)

Sequence and analysis of chromosome 4 of the plant Arabidopsis thaliana.
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Nature402(6763)769-77(1999 Dec)

PP2C protein phosphatases protect and stabilize RopGEF1 from abscisic acid -mediated degradation.RopGEF1 is epistatic to PP2C phosphatases in abscisic acid signal transduction pathway.RopGEF1 plays an important role in abscisic acid -mediated inhibition of lateral root growth.
Title: Release of GTP Exchange Factor Mediated Down-Regulation of Abscisic Acid Signal Transduction through ABA-Induced Rapid Degradation of RopGEFs.

ROPGEF1 and ROPGEF4 are specific regulators of ROP11 function in ABA-mediated stomatal closure
Title: ROPGEF1 and ROPGEF4 are functional regulators of ROP11 GTPase in ABA-mediated stomatal closure in Arabidopsis.