Hongyu Mao, Ziyi Wang, Yuanyu Shan, Xin Cheng, Jie Yu
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引用次数: 0
Abstract
Bidens aurea (Asteraceae), a native of tropical America is now widespread in Asia and the Americas. We explored the B. aurea chloroplast genome and conducted a phylogenetic analysis. The chloroplast genome was circular, consisting of a large single copy (LSC) of 83,909 base pairs (bp), a small single copy (SSC) of 18,407 bp, and two inverted repeat regions (IR) of 24,729 bp each. Phylogenetic analysis showed that the 19 Bidens taxa were divided into five major clades, and B. aurea was most closely related to two species. Our findings offer a high-quality B. aurea chloroplast genome, aiding DNA barcode development and evolutionary history reconstruction.
Bidens aurea（菊科）原产于美洲热带地区，现广泛分布于亚洲和美洲。我们研究了 B. aurea 的叶绿体基因组，并进行了系统发育分析。叶绿体基因组呈环状，由一个 83,909 碱基对（bp）的大单拷贝（LSC）、一个 18,407 bp 的小单拷贝（SSC）和两个各 24,729 bp 的倒位重复区（IR）组成。系统发育分析表明，19 个 Bidens 类群分为 5 个主要支系，其中 B. aurea 与两个物种的亲缘关系最为密切。我们的研究结果提供了高质量的 B. aurea 叶绿体基因组，有助于 DNA 条形码的开发和进化史的重建。
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