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《Shandong Agricultural Sciences》 2011-06
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Expression Patterns of One Phytochrome B-Regulated NBS-LRR Family Gene in Rice

YANG Hui1,2,XUE Yan-jiu2,WANG Ying-ying2,3,MA Hui-quan1*,XIE Xian-zhi2,3*(1.College of Life Science,Shandong University of Technology,Zibo 255049,China; 2.High-Tech Research Center,Shandong Academy of Agricultural Sciences,Jinan 250100,China; 3.Key Laboratory of Crop Genetic Improvement and Biotechnology,Huanghuaihai,Ministry of Agriculture, The People's Republic of China,Jinan 250100,China)  
The gene named PB-LRR(phyB-regulated NBS-LRR) encoding NBS-LRR family protein and up-regulated by red light perceived by phyB was obtained by comparing the gene profiles among wild type,phyA and phyB mutants exposed to continuous red light.To access the biological functions of PB-LRR gene in rice,the organ specificity of its expression was analyzed as well as its response to exogenous hormones.The expression level of PB-LRR gene was the highest in leaf and the lowest in stem.The light-induced expression of PB-LRR gene was attributed to phyB,but not phyA.Moreover,the expression of PB-LRR gene was inhibited by exogenous ABA,and also regulated by environmental factors.The expression vector of PB-LRR promoter region and GUS(ProPB-LRR∶GUS) was constructed and introduced into wild type(WT) and phyB mutant,respectively.The results showed that the GUS activity in transgenic phyB mutant was obviously lower than that in wild plant,and emerged mainly in the upper part of leaves.All these results demonstrated that PB-LRR gene was not only regulated by phyB-mediated light signals but also by leaf development in rice.This study provided basis for further research on the roles of PB-LRR in phyB-mediated photoreaction and disease resistance in rice.
【Fund】: 国家自然科学基金项目(编号:30870192)
【CateGory Index】: S511
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【Citations】
Chinese Journal Full-text Database 2 Hits
1 LI Ai-qin1,LI Li-bin2*,FANG Zhi-jun3,LIU Guo-ming4(1.High-tech Research Center of Shandong Academy of Agricultural Sciences,Jinan 250100,China;2.Vegetable Institute of Shandong Academy of Agricultural Sciences,Jinan 250100,China;3.Experimental Farm of Shandong Academy of Agricultural Sciences,Jinan 250100,China;4.Taitou Town Comprehensive Agricultural Service Station of Shouguang City,Shouguang 262735,China);Bioinformatic Analysis of Rice DA1 Gene[J];Shandong Agricultural Sciences;2009-08
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【Co-citations】
Chinese Journal Full-text Database 4 Hits
1 JIN Yu-kuan,YANG Shi-hu,YU Li,ZHAO Bao-quan,WAN Jian-min (State Key Laboratory of Crop Genetics and Germplasm Enhancement/Jiangsu Plant Gene Engineering Research Center,Nanjing Agricultural University,Nanjing 210095,China);Expression and resistance analysis of the Pib gene in transgenic rice under different promoters[J];Journal of Nanjing Agricultural University;2010-04
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