Article
Gain-of-function and loss-of-function phenotypes of the protein phosphatase 2C HAB1 reveal its role as a negative regulator of abscisic acid signalling.
The Plant journal : for cell and molecular biology - 1 Feb 2004
Saez Angela, Apostolova Nadezda, Gonzalez-Guzman Miguel, Gonzalez-Garcia Mary Paz, Nicolas Carlos, Lorenzo Oscar, Rodriguez Pedro L
Abstract excerpt
HAB1 was originally cloned on the basis of sequence homology to ABI1 and ABI2, and indeed, a multiple sequence alignment of 32 Arabidopsis protein phosphatases type-2C (PP2Cs) reveals a cluster composed by the four closely related proteins, ABI1, ABI2, HAB1 and At1g17550 (here named HAB2). Characterisation of transgenic plants harbouring a transcriptional fusion ProHAB1: green fluorescent protein (GFP) indicates...
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