| 大白菜功能基因编码区SSRs的分布规律研究 |
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| 引用本文： | 周新成,李利斌,刘立锋,李化银,高建伟.大白菜功能基因编码区SSRs的分布规律研究[J].天津农业科学,2011,17(6):1-5. |
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| 作者姓名： | 周新成 李利斌 刘立锋 李化银 高建伟 |
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| 作者单位： | 山东省农业科学院蔬菜研究所山东省设施蔬菜生物学重点实验室国家蔬菜改良中心山东分中心,山东济南,250100 |
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| 基金项目： | 国家"973"前期研究专项，山东省现代农业产业技术体系蔬菜创新体系，山东省良种工程农业生物资源创新利用研究 |
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| 摘 要： | 利用数据库中大白菜的部分基因组序列及其注释结果,对大白菜功能基因编码区分布的SSRs类型进行了分析。结果表明,编码区的SSRs以3核苷酸重复的最多,其次为6核苷酸重复的;各种基序的SSRs类型在基因编码区分布的数量有很大差异;另外编码氨基酸的三核苷酸SSRs在11944个基因编码区前100bp、中部及后100bp的分布也有较大差异。说明大白菜基因编码区的SSRs具有相位和极性,其原因在于编码氨基酸的需要。正是这种相位和极性引起大白菜基因编码区SSRs分布的不均一性。
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| 关 键 词： | SSRs 分布 基因 编码区 大白菜 |
Distribution Patterns of Simple Sequence Repeats in Coding Regions of Genes in Chinese Cabbage |
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| ZHOU Xin-cheng,LI Li-bin,LIU Li-feng,LI Hua-yin,GAO Jian-wei.Distribution Patterns of Simple Sequence Repeats in Coding Regions of Genes in Chinese Cabbage[J].Tianjin Agricultural Sciences,2011,17(6):1-5. |
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| Authors: | ZHOU Xin-cheng LI Li-bin LIU Li-feng LI Hua-yin GAO Jian-wei |
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| Affiliation: | ZHOU Xin-cheng,LI Li-bin,LIU Li-feng,LI Hua-yin,GAO Jian-wei(Institute of Vegetables,Shandong Academy of Agricultural Sciences,Shandong Key Laboratory of Greenhouse Vegetable Biology Jinan,Shandong 571101,China) |
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| Abstract: | Using the genomic sequences and the annotation information from public genome database of Chinese cabbage,the distribution patterns of SSRs in coding regions of genes were studied.It was found that tri-nucleotide repeat motifs were the most SSR types in coding regions of Chinese cabbage,with hexa-nucleotide motifs following.Much distinction was found for the distribution frequencies of SSR types with different repeat motifs in gene coding regions.And there was much difference for the distributions of SSRs t... |
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| Keywords: | SSRs distribution gene coding regions Chinese cabbage |
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