Abstract

The complete plastid genome of Gentiana leucomelaena Maxim., belonging to the most species-rich section Chondrophyllae in Gentiana, was determined and analyzed in this study. It has a circular-mapping molecular with the length of 131,856 bp, the shortest one among all available Gentiana plastomes. Gentiana leucomelaena has gene mutation, for example ndh and rpl2 intron, and reversed SSC region comparing with the available species in sections Cruciata, Frigida, Kudoa, Isomeria and Microsperma. Phylogenetic analysis showed that G. leucomelaena clustered together with section Cruciata with a long branch. The plastome provides in this work will contribute to elucidate the phylogenetics and evolution in Gentiana.

摘要

的完整质体基因组麻花leucomelaena马克西姆，属于物种最丰富，部分Chondrophyllae在秦艽，确定在这项研究分析。它有一个圆形映射分子，长度为 131,856 bp，是所有可用的龙胆塑性体中最短的一个。龙胆leucomelaena具有基因突变，例如NDH和RPL 2内含子，和反转SSC区域与部分可用物种比较Cruciata，蒿，Kudoa，Isomeria和Microsperma。系统发育分析表明，G. leucomelaena与具有长分枝的Cruciata节聚集在一起。在这项工作中提供的塑性体将有助于阐明龙胆属的系统发育和进化。