The Wall-associated Kinase gene family in rice genomes

Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 229(2014) vom: 28. Dez., Seite 181-192
1. Verfasser: de Oliveira, Luiz Felipe Valter (VerfasserIn)
Weitere Verfasser: Christoff, Ana Paula, de Lima, Júlio Cesar, de Ross, Bruno Comparsi Feijó, Sachetto-Martins, Gilberto, Margis-Pinheiro, Marcia, Margis, Rogerio
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Oryza sativa RLK Rice WAK Wall-associated Kinase Plant Proteins Protein Kinases EC 2.7.-
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520 |a The environment is a dynamic system in which life forms adapt. Wall-Associated Kinases (WAK) are a subfamily of receptor-like kinases associated with the cell wall. These genes have been suggested as sensors of the extracellular environment and triggers of intracellular signals. They belong to the ePK superfamily with or without a conserved arginine before the catalytic subdomain VIB, which characterizes RD and non-RD WAKs. WAK is a large subfamily in rice. We performed an extensive comparison of WAK genes from A. thaliana (AtWAK), O. sativa japonica and indica subspecies (OsWAK). Phylogenetic studies and WAK domain characterization allowed for the identification of two distinct groups of WAK genes in Arabidopsis and rice. One group corresponds to a cluster containing only OsWAKs that most likely expanded after the monocot-dicot separation, which evolved into a non-RD kinase class. The other group comprises classical RD-kinases with both AtWAK and OsWAK representatives. Clusterization analysis using extracellular and kinase domains demonstrated putative functional redundancy for some genes, but also highlighted genes that could recognize similar extracellular stimuli and activate different cascades. The gene expression pattern of WAKs in response to cold suggests differences in the regulation of the OsWAK genes in the indica and japonica subspecies. Our results also confirm the hypothesis of functional diversification between A. thaliana and O. sativa WAK genes. Furthermore, we propose that plant WAKs constitute two evolutionarily related but independent subfamilies: WAK-RD and WAK-nonRD. Recognition of this structural division will further provide insights to understanding WAK functions and regulations 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Oryza sativa 
650 4 |a RLK 
650 4 |a Rice 
650 4 |a WAK 
650 4 |a Wall-associated Kinase 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Protein Kinases  |2 NLM 
650 7 |a EC 2.7.-  |2 NLM 
700 1 |a Christoff, Ana Paula  |e verfasserin  |4 aut 
700 1 |a de Lima, Júlio Cesar  |e verfasserin  |4 aut 
700 1 |a de Ross, Bruno Comparsi Feijó  |e verfasserin  |4 aut 
700 1 |a Sachetto-Martins, Gilberto  |e verfasserin  |4 aut 
700 1 |a Margis-Pinheiro, Marcia  |e verfasserin  |4 aut 
700 1 |a Margis, Rogerio  |e verfasserin  |4 aut 
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