Expression of an Arabidopsis lectin kinase receptor gene, lecRK-a1, is induced during senescence, wounding and in response to oligogalacturonic acids

被引：58

作者：

Riou, C ^{[1
]}

Hervé, C ^{[1
]}

Pacquit, V ^{[1
]}

Dabos, P ^{[1
]}

Lescure, B ^{[1
]}

机构：

[1] INRA, CNRS, UMR 215, Lab Biol Mol Relat Plantes Microorganismes, F-31326 Castanet Tolosan, France

来源：

PLANT PHYSIOLOGY AND BIOCHEMISTRY | 2002年 / 40卷 / 05期

关键词：

Arabidopsis thaliana; development; oligogalacturonides; receptor-like kinase; senescence; stress-related process;

D O I：

10.1016/S0981-9428(02)01390-6

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The lectin receptor protein kinases (lecRKs) belong to a large gene family in Arabidopsis thaliana. As for numerous receptor-like kinases (RLKs) of plants, no physiological role has been assigned to lecRKs. To try to elucidate the role of one of them, the expression of lecRK-al was studied during development and in response to abiotic stimuli. Histochemical analysis of transgenic plants containing the lecRK-al promoter fused to the GUS reporter gene revealed an increase of the expression level of lecRK-al in parallel with natural senescence processes. These results were confirmed by in situ hybridization and RT-PCR experiments and appeared to be specific to this member of the lecRK-a family. The expression of lecRK-al is locally activated in response to wounding and is also activated in response to oligogalacturonides. LecRK-al seems to play an important role in both the developmental program and adaptive processes in A. thaliana. (C) 2002 Editions scientifiques et medicales Elsevier SAS. All rights reserved.

引用

页码：431 / 438

页数：8

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