The wide distribution and horizontal transfers of beta satellite DNA in eukaryotes

文献类型： 外文期刊

第一作者： Yang, Jiawen

作者： Yang, Jiawen;Li, Jian;Gao, Zeng-hong;Ma, Guangwei;Zhou, Yiting;Zuo, Yachao;Wang, Jin;Guo, Yabin;Yang, Jiawen;Zuo, Yachao;Yuan, Bin;Wu, Yu;Li, Meiyu;Li, Meiyu;Xu, Donglin

作者机构：

关键词： Beta satellite DNA; Sau3A sequences; Eukaryotes; Horizontal gene transfer; Primates

期刊名称：GENOMICS （ 影响因子：5.736； 五年影响因子：4.939 ）

ISSN： 0888-7543

年卷期： 2020 年 112 卷 6 期

页码：

收录情况： SCI

摘要： Beta satellite DNA (satDNA), also known as Sau3A sequences, are repetitive DNA sequences reported in human and primate genomes. It is previously thought that beta satDNAs originated in old world monkeys and bursted in great apes. In this study, we searched 7821 genome assemblies of 3767 eukaryotic species and found that beta satDNAs are widely distributed across eukaryotes. The four major branches of eukaryotes, animals, fungi, plants and Harosa/SAR, all have multiple clades containing beta satDNAs. These results were also confirmed by searching whole genome sequencing data (SRA) and PCR assay. Beta satDNA sequences were found in all the primate clades, as well as in Dermoptera and Scandentia, indicating that the beta satDNAs in primates might originate in the common ancestor of Primatomorpha or Euarchonta. In contrast, the widely patchy distribution of beta satDNAs across eukaryotes presents a typical scenario of multiple horizontal transfers.

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