Characterization of the complete chloroplast genome of Hevea pauciflora (Euphorbiaceae), an important wild relative of the rubber tree

文献类型： 外文期刊

第一作者： Hu, Yan-Shi

作者： Hu, Yan-Shi;Huang, Hua-Sun;Liu, Jin

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关键词： Hevea pauciflora; chloroplast genome; characterization; phylogenetic analysis

期刊名称：MITOCHONDRIAL DNA PART B-RESOURCES （ 影响因子：0.61； 五年影响因子：0.628 ）

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年卷期： 2022 年 7 卷 9 期

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收录情况： SCI

摘要： Hevea pauciflora belongs to the Euphorbiaceae family, an important wild relative of the rubber tree. This study sequenced, assembled, and annotated the complete chloroplast genome of H. pauciflora. The complete chloroplast genome is 161,123 bp with a canonical quadripartite structure containing a large single-copy (LSC) region (89,109 bp), a small single-copy (SSC) region (18,376 bp), and two inverted repeat regions (IRa and IRb) (26,819 bp, each). A total of 134 genes were annotated, including 86 protein-coding genes, four pseudogenes, 36 tRNA genes, and eight rRNA genes. The 134 genes include four major groups: 'self-replication', 'photosynthesis', 'unknown function', and 'others'. A phylogenetic analysis clustered H. pauciflora, H. brasiliensis, H. camargoana, and H. benthamiana into one clade, consistent with traditional taxonomy. This study provides useful data for further studies of Hevea genus and the phylogenetic relationships of Euphorbiaceae species.

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