Abstract
AP2 (APETALA2)/EREBPs (ethylene responsive element binding proteins) are the primary members of a family of transcription factors and OsAP211 was isolated from Oryza sativa L using the yeast one-hybrid system. It can specifically bind to the promoter containing three tandem repeats of DRE core sequence: TACCGACAT and activate the transcription of the downstream lacZ gene in the yeast one-hybrid system. OsAP211 contained a single open reading frame of 225 amino acids and encoded a protein containing a conserved AP2/EREBP domain featuring the DREB family. The semi-quantitative RT-PCR (s-Q RT-PCR) analysis indicated OsAP211 was strongly induced by low temperatures but not by NaCl and drought. It accumulates primarily in shoot tips during the tillering stage and young spikes during the booting stage. OsAP211 might function as a DRE-binding transcription factor in stress signal transduction pathways in rice.
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Abbreviations
- DRE:
-
dehydration-responsive element
- DREB:
-
DRE binding factor
- X-Gal:
-
5-bromo-4-chloro-3-indolyl-β-D-galactopyranoside
- RT-PCR:
-
reverse transcription-polymerse chain reaction
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Acknowledgements:The research was supported by 863 Program (2006AA10Z117; 2006AA06Z358; 2008AA10Z401); Shanghai Subject Chief Scientist (06XD14017); Shanghai Key laboratory and basic research project (06DZ19103-07dz22011); Shanghai municipal committee of agriculture (No: 2006-2-1) and Jiangsu province natural science fund (BK2007080).
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Gao, F., Chen, J.M., Xiong, A.S. et al. Isolation and characterization of a novel AP2/EREBP-type transcription factor OsAP211 in Oryza sativa . Biol Plant 53, 643–649 (2009). https://doi.org/10.1007/s10535-009-0117-9
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DOI: https://doi.org/10.1007/s10535-009-0117-9