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- Title
Maize Rab17 overexpression in Arabidopsis plants promotes osmotic stress tolerance.
- Authors
Figueras, M.; Pujal, J.; Saleh, A.; Savé, R.; Pagès, M.; Goday, A.
- Abstract
Rab17 is a Late Embryogenesis Abundant (LEA) protein from maize, which accumulates largely during embryogenesis and also in vegetative tissues when subjected to stress conditions. We have analysed the effect of Rab17 expression under a constitutive promoter in vegetative tissues of transgenic Arabidopsis thaliana plants. These transgenic plants have higher sugar and proline contents, and also higher water loss rate under water stress. In addition, these plants are more tolerant than non-transformed controls to high salinity and recover faster from mannitol treatment. Our results point to a protective effect of Rab17 protein in vegetative tissues under osmotic stress conditions.
- Subjects
PLANT embryology; PROTEINS; CORN; ARABIDOPSIS thaliana; OSMOTIC potential of plants
- Publication
Annals of Applied Biology, 2004, Vol 144, Issue 3, p251
- ISSN
0003-4746
- Publication type
Article
- DOI
10.1111/j.1744-7348.2004.tb00341.x