Gene expression analyses of ZmPti1, encoding a maize Pti-like kinase, suggest a role in stress signaling
文献类型: 外文期刊
作者: Zou, HW 1 ; Wu, ZY 2 ; Yang, Q 2 ; Zhang, XH 2 ; Cao, MQ 3 ; Jia, WS; Huang, CL; Xiao, X;
作者机构: 1.Beijing Acad Agr & Forestry Sci, Beijing AgroBiotechnol Res Ctr, Beijing 100089, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Beijing AgroBiotechnol Res Ctr, Beijing 100089, Peoples R China; Nanjing Agr Univ, Coll Life Sci, Nanjing 210095, Peoples R China; China Agr Univ, Coll Agron & Biotechnol, Beijing 100094, Peoples R China
3.Beijing Acad Agr & Forestry Sci, Beijing AgroBiotechnol Res Ctr, Beijing 100089, Peoples R China; Nanjing Agr Univ, Coll Life Sci, Nanjing 210095, Peoples R China; China Agr Univ, Coll Agron & Biotechnol, Beijing
关键词: Zea mays L.;kinase activity;abiotic stress;salicylic acid;phosphorylation;PLANT-DISEASE RESISTANCE;BACTERIAL SPECK DISEASE;SALICYLIC-ACID;ABSCISIC-ACID;ARABIDOPSIS-THALIANA;PHYSICAL INTERACTION;PROTEIN-KINASES;TOMATO;TRANSDUCTION;SALT
期刊名称:PLANT SCIENCE ( 影响因子:4.729; 五年影响因子:5.132 )
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收录情况: SCI
摘要: Pti1 plays an important role in plant disease responses. One full-length cDNA encoding a Pti I homologue was isolated from maize by RT-PCR and named as ZmPti1. The ZmPti1 protein was expressed in Saccharomyces cereviciae, purified by ProBond Resin and examined for its autophosphorylation ability. The phosphorylation assay in vitro showed that ZmPti1 has a kinase activity. RT-PCR analysis indicated that the ZmPti1 expression is induced by salicylic acid (SA), low-temperature, mannitol and salt, but not by abscisic acid (ABA). Furthermore, in different tissues the ZmPti1 displays different expression patterns. These results demonstrate that ZmPti1 is a novel Pti1-like gene and may play multiple roles in both plant biotic and abiotic resistance pathways. (c) 2006 Elsevier Ireland Ltd. All rights reserved.
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