The complete chloroplast genome sequence and phylogenetic analysis of Hordeum pusillum Nutt., 1818 (Poaceae)

文献类型： 外文期刊

第一作者： Du, Qingwei

作者： Du, Qingwei;Yu, Suping;Yu, Suping;Yu, Suping

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关键词： Chloroplast genome; Hordeum pusillum; Poaceae; phylogenetic analysis

期刊名称：MITOCHONDRIAL DNA PART B-RESOURCES （ 影响因子：0.7； 五年影响因子：0.6 ）

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年卷期： 2024 年 9 卷 10 期

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收录情况： SCI

摘要： Hordeum pusillum (Hordeum pusillum Nutt., 1818) is an annual barley that is native to the west of the North America and widespread in southern United States and tropical America. In this study, we have provided the first complete characterization of the chloroplast genome of H. pusillum. Our research revealed that the circular chloroplast genome of H. pusillum consists of a large single-copy region (LSC: 80,853 bp), a small single-copy region (SSC: 12,745 bp), and a pair of inverted repeat regions (IRs: 21,587 bp), totaling 136,772 bp in length. Within the chloroplast genome of H. pusillum, 91 protein-coding genes, 38 tRNA genes, and ten rRNA genes were identified. To determine the evolutionary relationship of Hordeum species with reported chloroplast genome sequences, we constructed a phylogenetic tree using the entire chloroplast genome sequences. The evolutionary position of H. pusillum corresponds to its geographical location. The chloroplast genome of H. pusillum provided in this study may have significant implications for the phylogenetic study of Poaceae species.

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