Article
Expression of the Arabidopsis mutant ABI1 gene alters abscisic acid sensitivity, stomatal development, and growth morphology in gray poplars.
Plant physiology - 1 Dec 2009
Arend Matthias, Schnitzler Jörg-Peter, Ehlting Barbara, Hänsch Robert, Lange Theo, Rennenberg Heinz, Himmelbach Axel, Grill Erwin, Fromm Jörg
Abstract excerpt
The consequences of altered abscisic acid (ABA) sensitivity in gray poplar (Populus x canescens [Ait.] Sm.) development were examined by ectopic expression of the Arabidopsis (Arabidopsis thaliana) mutant abi1 (for abscisic acid insensitive1) gene. The expression resulted in an ABA-insensitive phenotype revealed by a strong tendency of abi1 poplars to wilt, impaired responsiveness of their stomata to ABA, and an...
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