Please use this identifier to cite or link to this item: 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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