Article
ABA plays a central role in mediating the regulatory effects of nitrate on root branching in Arabidopsis.
The Plant journal : for cell and molecular biology - 1 Dec 2001
Signora L, De Smet I, Foyer C H, Zhang H
Abstract excerpt
The formation of lateral roots (LR) is a major post-embryonic developmental event in plants. In Arabidopsis thaliana, LR development is inhibited by high concentrations of NO3(-). Here we present strong evidence that ABA plays an important role in mediating the effects of NO3(-) on LR formation. Firstly, the inhibitory effect of NO3(-) is significantly reduced in three ABA insensitive mutants, abi4-1, abi4-2 and...
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