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Expression Profile of Young Rice Panicle under Heat Stress using DNA Microarray
Xianwen Zhang 1,Ailing Liu 1,Jie Zou 1,Xiaoyun Zhou 2,Wenfang Wang 3,Liyun Chen 4,Xingyao Xiong 5,Xinbo Chen 2 *
1.College of Bioscience and Biotechnology, Hunan Agricultural University Crop Gene Engineering Key Laboratory of Hunan Province
2.Crop Gene Engineering Key Laboratory of Hunan Province, Hunan Agricultural University
3.Crop Gene Engineering Key Laboratory of Hunan Province, Hunan Agricultural University Crop Gene Engineering Key Laboratory of Hunan Province
4.Institute of Rice Science, Hunan Agricultural University
5.College of Horticulture and Landscape, Hunan Agricultural University
*Correspondence author
#Submitted by
Subject:
Funding: 教育部博士点基金,National Basic Research Program of China,NSF of China,Provincial NSF of Hunan(No.20050537001,2007CB116207,30870206,05JJ30035)
Opened online:16 January 2009
Accepted by: none
Citation: Xianwen Zhang,Ailing Liu,Jie Zou.Expression Profile of Young Rice Panicle under Heat Stress using DNA Microarray[OL]. [16 January 2009] http://en.paper.edu.cn/en_releasepaper/content/28015
 
 
Heat shock has become one of the most serious stress factors to world crop yield and quality, and many genes responsive to heat stress and other abiotic and biotic stresses have been discovered and their functions have been elucidated. However, plant genome wide heat response mechanism still remains unclear. Here, we reported expression profile of young rice panicle under heat stress of 40°C on the whole genome level using rice 44k oligo-array. The results demonstrated that carbohydrate metabolism and stress-related genes consist of major group that are affected during the time course. Hsps, Hsfs, enzymes responsible for carbon partitioning, secondary metabolism, cell wall morphogenesis- related genes, and ETC are all sensitive to heat, and then the stress shed influence on DNA replication, and next on cell homeostasis, reproduction, and finally on cell cycle and photosynthesis. We tried to establish heat response model for rice panicle, which would be valuable to crop production and improvement.
Keywords:Heat shock; rice; Expression profile; Microarray
 
 
 

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