MENG Fan-shan,FAN Su-jie,XU Peng-fei,et al.Cloning and Sequence Analysis of the GmPR10 Gene Promoter from Soybean( Glycine max L. )[J].Soybean Science,2016,35(04):568-573.[doi:10.11861/j.issn.1000-9841.2016.04.0568]
大豆GmPR10 基因启动子的克隆及序列分析
- Title:
- Cloning and Sequence Analysis of the GmPR10 Gene Promoter from Soybean( Glycine max L. )
- Keywords:
- Soybean; GmPR10; Promoter; Cloning; GUS staining
- 分类号:
- S565. 1
- 文献标志码:
- A
- 摘要:
- GmPR10 基因是病程相关蛋白PR10( pathogenesis-related proteins 10) 在大豆中的同源基因。为探明大豆Gm-PR10 基因的表达调控规律,应用PCR 技术从大豆抗疫霉根腐病品种绥农10 号中克隆了GmPR10 基因上游2 235 bp的启动子序列pGmPR10,定向替换pBI121 载体的CaMV35S 组成型启动子,构建植物表达载体pBI121 /pGmPR10 /GUS,并转化农杆菌侵染烟草叶盘。GUS 染色结果表明,pGmPR10 受聚乙二醇( PEG) 、低温( 4℃) 、水杨酸( SA) 、茉莉酸( JA) 和脱落酸( ABA) 诱导表达,因此推测GmPR10 基因可能参与植物激素调节植物生长发育的过程,以及生物胁迫和非生物胁迫条件下植物对环境响应的过程。此外,利用PLACE 和PlantCARE 在线启动子预测工具分析pGm-PR10,结果表明: pGmPR10 含有启动子的一般结构TATA-box 和CAAT-box,光应答元件,生长素和细胞分裂素响应元件,热激元件,低温应答元件,干旱应答元件以及ABA、SA、JA 应答元件等。
- Abstract:
- GmPR10 was homology with the PR10 ( pathogenesis-related proteins 10) gene in other plants. To investigate theexpression and regulation of the GmPR10 gene in soybean,the 2 235 bp promoter region of 5’-flanking upstream of GmPR10gene was isolated from the genomic DNA of soybean cultivars Suinong 10( with high resistance to Phytophthora sojae in Heilongjiang,China) by PCR,defined as pGmPR10. It was directionally replaced CaMV35S promoter of the expression vectorpBI121. The plant expression vector of pBI121 /pGmPR10 /GUS was used to drive expression of the GUS reporter gene in thepBI121,and the construct was transformed into tobacco leaves by Agrobacterium-mediated transformation. GUS staining resultsshowed that,pGmPR10 activity was highly induced by drought ( PEG) ,low temperature ( 4℃) ,salicylic acid ( SA) ,jasmonicacid ( JA) and abscisic acid ( ABA) . Therefore,it was speculated that GmPR10 gene may be involved in the process ofplant growth and development with the regulation of plant hormones,as well as the process under abiotic and abiotic stressesresponses to the environment. In addition,sequence analysis by PLACE and PlantCARE revealed that pGmPR10 containedpromoter general structure TATA-box and CAAT-box,light response element,auxin and cytokinin response element,heatshock element,cold response element,drought responsive element and ABA,SA and JA response elements.
参考文献/References:
[1] van Loon L C,Van Strien E A. The families of pathogenesis-relatedproteins,their activities,and comparative analysis of PR-1 typeproteins[J]. Physiological and Molecular Plant Pathology,1999,55: 85-97.
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备注/Memo
基金项目: 国家自然科学基金( 31171577,31101167) ; 黑龙江省杰出青年基金( JC201308) ; 长江后备支持计划; 龙江学者基金; 哈尔滨市科技创新项目( 2012RFQXN011,2012RFXXN019) 。第一作者简介: 孟凡姗( 1991-) ,女,硕士,主要从事大豆抗病遗传育种研究。通讯作者: 张淑珍( 1972-) ,女,博士,博导,主要从事大豆抗病遗传育种研究。E-mail: zhangshuzhen@ neau. edu. cn。