Characterization of the complete chloroplast genome of a critically endangered decaploid rose species, Rosa praelucens (Rosaceae)
文献类型： 外文期刊
作者： Jian, Hong-ying 1 ; Zhang, Shu-dong 2 ; Zhang, Ting 1 ; Qiu, Xian-qin 1 ; Yan, Hui-jun 1 ; Li, Shu-bin 1 ; Wang, Qi-ga 1 ;
作者机构： 1.Yunnan Acad Agr Sci, Flower Res Inst, Natl Engn Res Ctr Ornamental Hort, Kunming 650205, Yunnan, Peoples R China
2.Chinese Acad Sci, Germplasm Bank Wild Species, Kunming Inst Bot, Kunming 650201, Yunnan, Peoples R China
关键词： Rosa praelucens; Chloroplast genome; Critically endangered species; Phylogenetic analysis
期刊名称：CONSERVATION GENETICS RESOURCES （ 影响因子：0.973； 五年影响因子：0.946 ）
ISSN： 1877-7252
年卷期： 2018 年 10 卷 4 期
页码：
收录情况： SCI
摘要： Rosa praelucens is a critically endangered alpine ornamental plant and a decaploid wild rose endemic to southwestern China. In this study, we reported its complete chloroplast genome which was de novo assembled based on next generation sequencing. The plastome was a quadripartite circular with 157,186 bp in length, including one large single copy region of 86,313 bp and one small single copy region of 18,765 bp, separated by two inverted repeat regions of 26,054 bp. The overall GC content of the genome was 37.2%, while those of LSC, SSC and IR regions were 35.2, 31.2 and 42.7%, respectively. The genome encoded 129 genes, including 84 protein-coding genes, 37 transfer RNA genes, and eight ribosomal RNA genes. Maximum likelihood phylogenetic analysis showed that sampled species from the genus Rosa formed a monophyletic clade and R. praelucens was sister to other members of the subgenus Rosa.
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