ABA signal transduction

Recent advances in the study of abscisic acid signal transduction include the identification of cyclic ADP-ribose as a central mediator of abscisic acid responses. The characterisation of type 2C protein phosphatases, ABI1 and ABI2, implicates negative control and redundant action on the signal path...

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Veröffentlicht in:	Current opinion in plant biology 1998-10, Vol.1 (5), p.412-418
Hauptverfasser:	Grill, Erwin, Himmelbach, Axel
Format:	Artikel
Sprache:	eng
Schlagworte:	Abscisic Acid - metabolism Adenosine Diphosphate Ribose - analogs & derivatives Adenosine Diphosphate Ribose - metabolism Cyclic ADP-Ribose Models, Biological Plant Growth Regulators - metabolism Plants - metabolism Signal Transduction
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Beschreibung
Zusammenfassung:	Recent advances in the study of abscisic acid signal transduction include the identification of cyclic ADP-ribose as a central mediator of abscisic acid responses. The characterisation of type 2C protein phosphatases, ABI1 and ABI2, implicates negative control and redundant action on the signal pathway of this hormone. In addition, abscisic acid-mediated inhibition of gibberellin-stimulated responses seems to depend on the activation of a phospholipase D during induction of α-amylase in barley aleurone cells as well as on a putative acetyltransferase involved in elongation growth.
ISSN:	1369-5266 1879-0356
DOI:	10.1016/S1369-5266(98)80265-3