Characterization of PsMPK2, the first C1 subgroup MAP kinase from pea (<Emphasis Type="Italic">Pisum sativum</Emphasis> L.) |
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| Authors: | Dolores Ortiz-Masia Miguel A Perez-Amador Pablo Carbonell Fernando Aniento Juan Carbonell Maria J Marcote |
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| Institution: | (1) Facultad de Farmacia, Universidad de Valencia, Avda. Vicente Andrés Estellés s/n, 46100 Burjassot, Spain;(2) Instituto de Biología Molecular y Celular de Plantas, Consejo Superior de Investigaciones Científicas y Universidad Politécnica de Valencia, Avda. de los Naranjos s/n, 46022 Valencia, Spain |
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| Abstract: | Mitogen-activated protein kinase (MAPK) cascades play a key role in plant growth and development as well as in biotic and
abiotic stress responses. They are classified according to their sequence homology into four major groups (A–D). A large amount
of information about MAPKs in groups A and B is available but few data of the C group have been reported. In this study, a
C1 subgroup MAP kinase cDNA, PsMPK2, was isolated from Pisum sativum. PsMPK2 is expressed in vegetative (root and leaf) and reproductive (stamen, pistil and fruit) organs. Expression of PsMPK2 in Arabidopsis thaliana shows that mechanical injury and other stress signals as abscisic acid, jasmonic acid and hydrogen peroxide increase its
kinase activity, extending previous results indicating that C1 subgroup MAPKs may be involved in the response to stress. |
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| Keywords: | Abscisic acid Anther Arabidopsis Hydrogen peroxide Jasmonic acid MAP kinase Pea Wounding |
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