水稻基因数据集的构建与特征分析  

Construction of Data Set and Featural Analysis for Rice Gene

作　　者：朱建丽[1] 

机构地区：[1]华中科技大学生命科学与技术学院,武汉430074

出　　处：《计算机与数字工程》2007年第10期1-3,7,共4页Computer & Digital Engineering

基　　金：国家自然科学基金项目(编号:90203011;30370354);"国家科技基础条件平台"资助

摘　　要：水稻基因序列的特征分析解水稻基因组的组成与结构规律具有重要意义。以常用的基因结构特征为基础,进一步分析功能位点信号(翻译起始位点、翻译终止位点、供体位点和受体位点)附近序列各位的保守性、密码子使用、剪接位点上、下游区域的碱基组成等特征,并且发现了这些特征与序列C+G含量的依赖关系。Featural analysis of rice gene is valuable for understanding the composition and structure features of the rice genome. In this study, the features that have been widely used in prediction of gene structures are further analyzed. It′s found that the singal profile of functional site signals, the codon usage preference in coding regions and non-coding regions, and the nucleotide compositions in the upstream and downstream regions of splice sites are greatly related to the C+G content of sequences.

关 键 词：特征分析 水稻基因组 C+G含量 

分 类 号：Q31[生物学—遗传学]