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http://hdl.handle.net/1942/1552
Title: | Yeast complementation reveals a role for an Arabidopsis thaliana late embryogenesis abundant (LEA)-like protein in oxidative stress tolerance | Authors: | Mowla, S. Shaheen, B. CUYPERS, Ann Driscoll, S. Kiddle, G. Thomson, J. Foyer, C. Theodoulou, F. |
Issue Date: | 2006 | Publisher: | Blackwell | Source: | PLANT JOURNAL, 48(5). p. 743-756 | Abstract: | A functional cloning approach using the oxidant-sensitive yeast mutant, Δyap1, was employed to identify plant genes involved in tolerance of oxidative stress. In this screen, we identified an Arabidopsis late embryogenesis-abundant (LEA)-like protein, AtLEA5, which increased the tolerance of Δyap1 cells to the oxidants H2O2, diamide, menadione and tert-butyl hydroperoxide. Unlike canonical LEAs, AtLEA5 is constitutively expressed in roots and reproductive organs but not in seeds. In leaves of short-day grown plants, AtLEA5 transcripts exhibited a diurnal pattern of regulation, where transcripts were repressed in the light and abundant in the dark. Expression of AtLEA5 in leaves was induced by oxidants, ABA and dehydration... | Keywords: | LEA protein; ROS; drought; ABA; OXI1; Δyap1 | Document URI: | http://hdl.handle.net/1942/1552 | ISSN: | 0960-7412 | e-ISSN: | 1365-313X | DOI: | 10.1111/j.1365-313X.2006.02911.x | ISI #: | 000242042900008 | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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