纤维素合成酶基因家族的生物信息学分析.doc

PAGE 0 PAGE 4 目 录 摘要··················································································1 关键词················································································1 前言··················································································2 1 材料与方法··········································································4 1.1 获取氨基酸序列····································································4 1.2 序列比对及进化树构建······················································4 2 结果与分析··········································································4 2.1 水稻纤维素合成酶基因家族组成······················································4 2.2 纤维素合成酶各成员蛋白质序列的多重比对············································6 2.3 纤维素合成酶成员的进化分析·······················································17 3 讨论···············································································20 4 参考文献···········································································20 5 致谢···············································································20 水稻纤维素合成酶基因家族的生物信息学分析 作者: 吴赵 指导老师:彭喜旭 专业：生物科学 (湖南科技大学 生命科学学院，湖南湘潭 411201 ) 摘　要: 本文利用DNAStar和MEGA软件对水稻纤维素合成酶基因家族进行生物信息学分析。结果表明，水稻纤维素合成酶基因家族分为CesA（纤维素合成酶家族）和Csl（纤维素合成酶相似家族）两个家族，其中CesA有11个成员;Csl有34个成员，蛋白质序列对比和进化树分析表明，CesA家族可分3组，其中CesA7可以看出是第一组与第二组的过渡支。Csl家族可以分为6组。这些结果为纤维素合成酶基因家族成员的结构、功能分析和进化起源的探索提供了资料。 关键词: 纤维素合成酶;基因家族;进化树；生物信息学;水稻 Bioinformatics analysis of cellulose synthase Gene family of rice Major：Life Sciences Author: Wu Zhao Director: Peng Xixu, (School of Life Sciences of Hunan University of Science and Technology Xiangtan 411201, Hunan) Abstract : This article analyze the cellulose synthase gene family of rice by using the DNAStar and MEGA software, The results show that cellulose synthase gene family is formed by the cellulose synthase family which is make up of eleven members and the cellulose synthase-like family which including thirty-four members, By Protein sequence alignment and phylogenet