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expand all sections collapse all sections  Oryza sativa Gene "ABI5"
ID 86376
Name ABI5 (GENE SYMBOL)
Synonyms (2)
GRAMENE GENEGR:0080039
Type Gene
Species Oryza sativa (Oryza sativa) [ GR_tax:013681 ]
Germplasm
Description OsABI5 is a bZIP transcription factor, it's expressed in the panicle,
specifically in mature pollen, of Oryza sativa L. Expression of the OsABI5 was
induced by ABA and high salinity, and down-regulated by drought and cold in
seedlings. The OsABI5 protein was localized in the nucleus, its N-terminus is
necessary for trans-activation activity. It binds to a G-box element of ABRE and
trans-activate reporter gene expression. Complementation analysis showed the
expression of OsABI5 could rescue ABA-insensitity of abi5-1 during seed
germination and result in hypersensitivity to ABA. Over-expression of OsABI5
conferred high sensitivity to salt stress, repression of OsABI5 promoted stress
tolerance and resulted in low fertility by affecting pollen maturation. OsABI5
is a homolog of Arabidopsis AtABI5 (At2g36270).
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