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Author Gao F., Xiong A., Peng R., Jin X., Xu J., Zhu B., Chen J., Yao Q.
Title OsNAC52, a rice NAC transcription factor, potentially responds to ABA and confers drought tolerance in transgenic plants
Abstract:
A novel NAC (NAM, ATAF1/2, CUC2) homologous gene, OsNAC52, was isolated from Oryza sativa L using RACE (rapid amplification of cDNA ends). Analysis of the amino acid sequence of OsNAC52 revealed a highly conserved NAC domain and a potential nuclear localization sequence in its N-terminus, and the transcriptional activation motif in the C-terminal region. Transgenic plants over-expressing OsNAC52 were highly sensitive to ABA (Abscisic acid), and the growth of the 35S-OsNAC52 transgenic seedlings was significantly more restrained by ABA treatment than those of the wild-type seedlings. Furthermore, over-expression of OsNAC52 activated the expression of downstream genes in transgenic Arabidopsis, resulting in enhanced tolerance to drought stresses but not growth retardation. The results from this study indicate that this novel rice OsNAC52 gene functions as an important transcriptional activator in ABA-inducible gene expression and may be useful in improving plant tolerance to abiotic stress.
Journal Plant Cell Tissue Organ Cult.
Country China
Volume 100
Pages 255-262
Year 2010
PubMed ID -
PubMed Central ID -
DOI 10.1007/s11240-009-9640-9
URL -
Relation
Gene NAC88
INSD -
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
-
Stages in Each Organ
- Muant Lines (Gene)
-
Cultivated Varieties(NIG Collection) -
Stages in Each Organ -
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