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绿竹咖啡酸-O-甲基转移酶基因(COMT)的克隆及相关分析 被引量:13

Cloning and Characterization of COMT Gene from Bambusa oldhamii
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摘要 采用RT-PCR及RACE方法从绿竹中分离了COMT基因家族的一个基因,命名为BoCOMT1。BoCOMT1全长1 377 bp,编码一个361 aa的蛋白,估计分子量为39 kDa。BoCOMT1与小麦的TaCOMT、甘蔗的SoCOMT、玉米的ZmCOMT和毛白杨的PtCOMT的氨基酸序列比对结果表明,BoCOMT1与TaCOMT的氨基酸同源性最高,达到86.7%,系统进化树的分析表明,BoCOMT1与TaCOMT亲缘关系较近。RT-PCR结果显示,BoCOMT1在茎中的表达量约为叶中的2倍。 A gene of COMT family was cloned by RT-PCR and RACE from Bambusa oldhamii and named Bo- COMT1. BoCOMT1, with a full length of 1 377 bp, encoded a polypeptide of 361 amino acids with predicted mo- lecular mass of 39 kDa. The results of amino acid sequence analysis showed that BoCOMT1 had the highest similarity of 86.7% with TaCOMT,phylogenetic analysis showed that BoCOMT1 is more related to TaCOMT. The expres- sion level of BoCOMTI in stem is about two times as in leaf.
出处 《林业科学研究》 CSCD 北大核心 2007年第5期722-725,共4页 Forest Research
基金 国家林业局948项目(2005-4-38 2004-4-60) 国际竹藤网络中心青年基金项目(115)
关键词 绿竹 咖啡酸-0-甲基转移酶 克隆 Bambusa oldhamii Caffeic acid-3-O-methyltransferase Clone
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参考文献12

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