叶绿体系统基因组分析为新物种的进化提供了见解。
Chloroplast phylogenomic analysis provides insights into the evolution of sp. nov.
作者信息
Guan Xin, Yang Qingshu, Wang Shuang, Zhang Haizhu, Xia Conglong
机构信息
College of Pharmaceutical Science, Dali University, Dali, PR China.
Key Laboratory of Yunnan Provincial Higher Education Institutions for Development of Yunnan Daodi Medicinal Materials Resources, Dali, PR China.
出版信息
Mitochondrial DNA B Resour. 2021 Feb 8;6(2):346-348. doi: 10.1080/23802359.2020.1867016.
sp. nov is a species of flowering herb of the genus and widely distributed in the southwest of China. In this study, we sequenced the complete chloroplast (cp) genome of sp. nov to investigate its phylogenetic relationship in genus . The cp genome of sp. nov was 163,860 bp in length, containing a large single-copy (LSC) region of 84,415 bp, a small single-copy (SSC) region of 12,947 bp, and a pair of inverted repeats (IRs) region of 33,249 bp. The overall GC content was 37.0%. The genome comprises of 135 genes, including 91 protein-coding genes, 37 tRNA genes, and 4 rRNA genes. Phylogenetic relationship analysis based on complete cp genome sequences exhibited that sp. nov was most related to var. .
新物种是该属的一种开花草本植物，广泛分布于中国西南部。在本研究中，我们对新物种的完整叶绿体（cp）基因组进行了测序，以研究其在该属中的系统发育关系。新物种的cp基因组长度为163,860 bp，包含一个84,415 bp的大单拷贝（LSC）区域、一个12,947 bp的小单拷贝（SSC）区域和一对33,249 bp的反向重复（IR）区域。总体GC含量为37.0%。该基因组由135个基因组成，包括91个蛋白质编码基因、37个tRNA基因和4个rRNA基因。基于完整cp基因组序列的系统发育关系分析表明，新物种与变种关系最为密切。
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