Molecular cloning in Arabidopsis thaliana of a new protein phosphatase 2C (PP2C) with homology to ABI1 and ABI2

被引：0
|
作者：
Pedro L. Rodriguez
Martin P. Leube
Erwin Grill
机构：
[1] Universidad Politécnica - C.S.I.C.,Instituto de Biologia Molecular y Celular de Plantas
[2] Camino de Vera,undefined
[3] TU-München,undefined
[4] Lehrstuhl für Botanik,undefined
来源：
Plant Molecular Biology | 1998年 / 38卷
关键词：
abscisic acid; signal transduction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We report the cloning of both the cDNA and the corresponding genomic sequence of a new PP2C from Arabidopsis thaliana, named AtP2C-HA (for homology to ABI1/ABI2). The AtP2C-HA cDNA contains an open reading frame of 1536 bp and encodes a putative protein of 511 amino acids with a predicted molecular mass of 55.7 kDa. The AtP2C-HA protein is composed of two domains, a C-terminal PP2C catalytic domain and a N-terminal extension of ca. 180 amino acid residues. The deduced amino acid sequence is 55% and 54% identical to ABI1 and ABI2, respectively. Comparison of the genomic structure of the ABI1, ABI2 and AtP2C-HA genes suggests that they belong to a multigene family. The expression of the AtP2C-HA gene is up-regulated by abscisic acid (ABA) treatment.
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页码：879 / 883
页数：4
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