广东省农业科学院机构知识库

Haplotypic Structure and Allelic Variation of rab17, an ABA-Responsive Gene, in a Mini Core Set of Chinese Diversified Maize Inbred Lines

文献类型：外文期刊

作者： Yu Yong-tao ¹ ; Wang Rong-huan ¹ ; Shi Yun-su ¹ ; Song Yan-chun ¹ ; Wang Tian-yu ¹ ; Li Yu ¹ ;

作者机构： 1.Chinese Acad Agr Sci, Inst Crop Sci, Facil Gene Resources & Genet Improvement, Beijing 100081, Peoples R China

2.Guangdong Acad Agr Sci, Crop Res Inst, Guangzhou 510640, Peoples R China

关键词： allelic variation;drought tolerance;linkage disequilibrium;maize;rab17

期刊名称：AGRICULTURAL SCIENCES IN CHINA （影响因子：0.82；五年影响因子：0.997 ）

ISSN： 1671-2927

年卷期： 2010 年 9 卷 12 期

页码：

收录情况： SCI

摘要： Drought stress is one of the most important factors limiting maize production Rab17 is an ABA-responsive gene and associated with drought tolerance In order to identify haplotypic structure and mine allelic variants at rab17 locus, nucleotide diversity and linkage disequilibrium (LD) structure of rab17 were evaluated among a mini core set of Chinese diversified maize inbred lines Totally, 19 SNP and 18 insertion/deletions (InDels) were identified, among which 81% were in non-coding regions and 19% in coding regions The results showed that a high level of diversity appeared within 1 kb upstream of the rab17 locus, and declined quickly downstream of the gene region Rapid decay of linkage disequilibrium of rab17 region with distance within 1 kb was detected Functional markers which can be developed based on haplotype 14 are expected to have contribution to molecular breeding for drought tolerance

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Haplotypic Structure and Allelic Variation of rab17, an ABA-Responsive Gene, in a Mini Core Set of Chinese Diversified Maize Inbred Lines

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Haplotypic Structure and Allelic Variation of rab17, an ABA-Responsive Gene, in a Mini Core Set of Chinese Diversified Maize Inbred Lines

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