De novo assembly of a Chinese soybean genome

文献类型： 外文期刊

第一作者： Shen, Yanting

作者： Shen, Yanting;Zhang, Jixiang;Liu, Yucheng;Tian, Zhixi;Liu, Jing;Du, Jianchang;Geng, Haiying;Ma, Shisong;Zhang, Haikuan;Xing, Shilai;Shen, Yanting;Zhang, Jixiang;Liu, Yucheng;Tian, Zhixi

作者机构：

关键词： de novo soybean genome; Zhonghuang 13; Gmax_ZH13; structure variation; gene co-expression

期刊名称：SCIENCE CHINA-LIFE SCIENCES （ 影响因子：6.038； 五年影响因子：4.754 ）

ISSN： 1674-7305

年卷期： 2018 年 61 卷 8 期

页码：

收录情况： SCI

摘要： Soybean was domesticated in China and has become one of the most important oilseed crops. Due to bottlenecks in their introduction and dissemination, soybeans from different geographic areas exhibit extensive genetic diversity. Asia is the largest soybean market; therefore, a high-quality soybean reference genome from this area is critical for soybean research and breeding. Here, we report the de novo assembly and sequence analysis of a Chinese soybean genome for "Zhonghuang 13" by a combination of SMRT, Hi-C and optical mapping data. The assembled genome size is 1.025 Gb with a contig N50 of 3.46 Mb and a scaffold N50 of 51.87 Mb. Comparisons between this genome and the previously reported reference genome (cv. Williams 82) uncovered more than 250,000 structure variations. A total of 52,051 protein coding genes and 36,429 transposable elements were annotated for this genome, and a gene co-expression network including 39,967 genes was also established. This high quality Chinese soybean genome and its sequence analysis will provide valuable information for soybean improvement in the future.

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