Article
ABA activates ADPR cyclase and cADPR induces a subset of ABA-responsive genes in Arabidopsis.
The Plant journal : for cell and molecular biology - 1 May 2004
Sánchez Juan-Pablo, Duque Paula, Chua Nam-Hai
Abstract excerpt
Cyclic ADP-ribose (cADPR) was previously shown to activate transient expression of two abscisic acid (ABA)-responsive genes in tomato cells. Here, we show that the activity of the enzyme responsible for cADPR synthesis, ADP-ribosyl (ADPR) cyclase, is rapidly induced by ABA in both wild-type (WT) and abi1-1 mutant Arabidopsis plants in the absence of protein synthesis. Furthermore, in transgenic Arabidopsis...
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