Complete chloroplast genome of Hevea benthamiana, a SALB-resistant relative wild species of rubber tree

文献类型： 外文期刊

第一作者： Niu, Ying-Feng

作者： Niu, Ying-Feng;Liu, Zi-Yan;Zheng, Cheng;Hu, Yan-Shi;Liu, Jin

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关键词： Hevea benthamiana; chloroplast; genome sequencing

期刊名称：MITOCHONDRIAL DNA PART B-RESOURCES （ 影响因子：0.658； 五年影响因子：0.674 ）

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年卷期： 2020 年 5 卷 3 期

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收录情况： SCI

摘要： Hevea benthamiana is a SALB-resistant wild species of H. brasiliensis, the only source of mass production of high quality natural rubber. This study sequenced and analyzed the chloroplast genome of H. benthamiana. The chloroplast genome of H. benthamiana contains 161,124 bp and consists of 51,495 bp of A (31.96%), 52,022 bp of T (32.29%), 28,915 bp of G (17.95%), and 28,692 bp of C (17.81%). The ring-shaped genome includes four regions: a large single-copy region (LSC, 89,110 bp), a small single copy (SSC, 18,376 bp) region, and two inverted repeat regions (IRs, 26,819 bp). A total of 134 genes were annotated, of which 86 encode proteins; four are pseudogenes; 36 are tRNA genes, and eight are rRNA genes. Phylogenetic analyses showed that H. benthamiana is very closely related to H. Brasiliensis, this result indicates that H. benthamiana is highly valuable for the breeding of SALB-resistant varieties of rubber trees.

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