Complete chloroplast genome sequences of Dracocephalum argunense and D. integrifolium (Lamiaceae: Nepetinae)

Pub Date : 2024-05-21 DOI:10.1016/j.japb.2024.04.001

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Abstract

Dracocephalum is a large genus comprises approximately 80 species of perennial herbs, mainly distributed in high elevation regions of temperate and Central Asia, with about half native to China. Within the genus, D. argunense and D. integrifolium are important herbs with great medicinal value. We sequenced plastomes of these two species for the first time. These plastomes showed a typical quadripartite structure and the length varied from 149,978 bp (D. integrifolium) to 150,802 bp (D. argunense). Plastomes of D. argunense and D. integrifolium included 127 and 133 genes, respectively. Phylogenetic analyses supported the monophyly of the redefined Dracocephalum and systematic relationships within the sampled species were well resolved. Our study added new genetic information about D. argunense and D. integrifolium and has great potential for further diversity studies, phylogenetic studies, and understanding of evolutionary history in Dracocephalum.

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Dracocephalum argunense 和 D. integrifolium 的完整叶绿体基因组序列（Lamiaceae: Nepetinae)

龙脑香属是一个很大的属，由大约 80 种多年生草本植物组成，主要分布在温带和中亚的高海拔地区，其中大约一半原产于中国。在该属中，D. argunense 和 D. integrifolium 是具有重要药用价值的草本植物。我们首次对这两个物种的质粒进行了测序。这些质粒表现出典型的四方结构，长度从149 978 bp（D. integrifolium）到150 802 bp（D. argunense）不等。argunense 和 D. integrifolium 的质粒分别包括 127 和 133 个基因。系统发育分析支持重新定义的龙脑香的单系性，取样物种内部的系统关系也得到了很好的解决。我们的研究为 D. argunense 和 D. integrifolium 增添了新的遗传信息，对进一步开展多样性研究、系统发育研究以及了解龙脑香的进化历史具有巨大潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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