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1. (WO2001002541) COMPOSITIONS AND METHODS FOR REGULATING ABSCISIC ACID-INDUCED CLOSURE OF PLANT STOMATA

Pub. No.:    WO/2001/002541    International Application No.:    PCT/US2000/018014
Publication Date: Fri Jan 12 00:59:59 CET 2001 International Filing Date: Fri Jun 30 01:59:59 CEST 2000
IPC: C12N 9/12
C12N 15/82
Applicants: THE PENN STATE RESEARCH FOUNDATION
ASSMANN, Sarah, M.
LI, Jiaxu
Inventors: ASSMANN, Sarah, M.
LI, Jiaxu
Title: COMPOSITIONS AND METHODS FOR REGULATING ABSCISIC ACID-INDUCED CLOSURE OF PLANT STOMATA
Abstract:
A novel gene, AAPK, is disclosed. Loss of function of the protein encoded by AAPK is associated with reduced sensitivity to abscisic acid-induced stomatal closure in plants. Also disclosed are transgenic plants and mutants having altered sensitivity to abscisic acid-mediated transpiration and other desirable agronomic features. The regulation of transpiration provided by the present invention is different from that of previously described mechanisms to control transpiration in plants.