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GrainGenes Reference Report: PNA-96-10922

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Reference
PNA-96-10922
Title
The small GTP-binding protein Rac is a regulator of cell death in plants
Journal
Proceedings of the National Academy of Sciences, USA
Year
1999
Volume
96
Pages
10922-10926
Author
[ Hide all but 1 of 7 ]
Kawasaki T
Henmi K
Ono E
Hatakeyama S
Iwano M
Satoh H
Shimamoto K
Abstract
Summary: Cell death plays important roles in the development and defense of plants as in other multicellular organisms. Rapid production of reactive oxygen species often is associated with plant defense against pathogens, but their molecular mechanisms are not known. We introduced the constitutively active and the dominant negative forms of the small GTP-binding protein OsRac1, a rice homolog of human Rac, into the wild type and a lesion mimic mutant of rice and analyzed H2O2 production and cell death in transformed cell cultures and plants. The results indicate that Rac is a regulator of reactive oxygen species production as well as cell death in rice
Keyword
amino acid sequence
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