Large-Scale SNP Discovery and Genotyping for Constructing a High-Density Genetic Map of Tea Plant Using Specific-Locus Amplified Fragment Sequencing (SLAF-seq)

文献类型： 外文期刊

第一作者： Ma, Jian-Qiang

作者： Ma, Jian-Qiang;Ma, Chun-Lei;Jin, Ji-Qiang;Li, Chun-Fang;Yao, Ming-Zhe;Chen, Liang;Ma, Jian-Qiang;Ma, Chun-Lei;Jin, Ji-Qiang;Li, Chun-Fang;Yao, Ming-Zhe;Chen, Liang;Huang, Long;Wang, Rong-Kai;Zheng, Hong-Kun

作者机构：

期刊名称：PLOS ONE （ 影响因子：3.24； 五年影响因子：3.788 ）

ISSN： 1932-6203

年卷期： 2015 年 10 卷 6 期

页码：

收录情况： SCI

摘要： Genetic maps are important tools in plant genomics and breeding. The present study reports the large-scale discovery of single nucleotide polymorphisms (SNPs) for genetic map construction in tea plant. We developed a total of 6,042 valid SNP markers using specific-locus amplified fragment sequencing (SLAF-seq), and subsequently mapped them into the previous framework map. The final map contained 6,448 molecular markers, distributing on fifteen linkage groups corresponding to the number of tea plant chromosomes. The total map length was 3,965 cM, with an average inter-locus distance of 1.0 cM. This map is the first SNP-based reference map of tea plant, as well as the most saturated one developed to date. The SNP markers and map resources generated in this study provide a wealth of genetic information that can serve as a foundation for downstream genetic analyses, such as the fine mapping of quantitative trait loci (QTL), map-based cloning, marker-assisted selection, and anchoring of scaffolds to facilitate the process of whole genome sequencing projects for tea plant.

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