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巴西橡胶树Profilin基因克隆及生物信息学分析 被引量:2

Cloning and Bioinformatics Analysis of the Profilin Gene in Hevea brasiliensis
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摘要 为了研究橡胶树中Profilin蛋白的功能,利用橡胶树Profilin基因部分已知序列设计引物,采用3′-RACE技术获得Profilin基因完整开放阅读框,该基因编码131个氨基酸,含有一个保守的PROF结构域。在HbPro1蛋白中没有预测到跨膜区和信号肽,二级结构分析表明HbPro1属于混合型蛋白。对25个Profilin蛋白系统进化分析表明,HbPro1在进化上具有保守性,属植物类Profilin蛋白家族。HbPro1基因的克隆和生物信息学分析为深入研究其功能奠定了基础。 In order to study the function of Profilin protein in rubber tree,the whole open reading frame(ORF) of profilin from Hevea brasiliensis was obtained with 3′-RACE technique,and the characterizations of HbPro1 were analyzed,such as the transmembrane structures,signal peptides,and secondary structure,etc.The results showed that HbPro1 encoded 131 amino acids with a conserved PROF domain.No signal peptides and transmembrane structures were predicted within HbPro1.The predicted secondary structure showed that HbPro1 was classified as mixed type.The phylogenetic tree of 25 Profilin proteins indicated that HbPro1 displayed a high similarity to Profilin proteins,and belonged to plant profilins.This study was helpful for further study of the HbPro1functions.
出处 《中国农学通报》 CSCD 北大核心 2011年第30期187-191,共5页 Chinese Agricultural Science Bulletin
基金 国家自然科学基金利用分子生物学方法研究橡胶树死皮发生分子机制(30960310) 中国热带农业科学院橡胶研究所基本科研业务费专项橡胶树死皮发生关键基因HbTCTP功能研究(1630022011024) 农业部橡胶树生物学重点开放实验室/省部共建国家重点实验室培育基地-海南省热带作物栽培生理学重点实验室开放课题基金项目"橡胶树死皮相关基因内含子长度多态性标记开发及应"(KLOF1103)
关键词 巴西橡胶树 Profilin蛋白 基因克隆 序列分析 Hevea brasiliensis Profilin gene cloning sequence analysis
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