Isolation and Characterization of Four Ascorbate Peroxidase cDNAs Responsive to Water Deficit in Cowpea Leaves | Zendy

Agnès d’Arcy-Lameta | Zendy; Roselyne FerrariIliou | Zendy; Dominique Contour-Ansel | Zendy; AnhThu PhamThi | Zendy; Yasmine ZuilyFodil | Zendy

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Isolation and Characterization of Four Ascorbate Peroxidase cDNAs Responsive to Water Deficit in Cowpea Leaves

Author(s) -

Agnès d’Arcy-Lameta,

Roselyne FerrariIliou,

Dominique Contour-Ansel,

AnhThu PhamThi,

Yasmine ZuilyFodil

Publication year - 2005

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcj010

Subject(s) - apx , biology , abscisic acid , vigna , peroxidase , peroxisome , botany , drought tolerance , gene , biochemistry , enzyme

Abiotic stresses stimulate formation of active oxygen species in plant tissues. Among antioxidant mechanisms, H2O2 detoxication by ascorbate peroxidases (APX) plays an important role. Several APX isoforms exist in plant cells, and they have rarely been studied separately. The aim of this work was to study changes in cytosolic, peroxisomal, stromatic and thylakoid APX gene expression in response to progressive drought, rapid desiccation and application of exogenous abscisic acid in the leaves of cowpea (Vigna unguiculata) plants.

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