The complete chloroplast genome of the endangered plant Paphiopedilum wardii (Orchidaceae)

文献类型: 外文期刊

第一作者: Wang, Lin

作者: Wang, Lin;Sui, Changhai;Wang, Ying;Guo, Jia

作者机构:

关键词: Paphiopedilum wardii; Illumina sequencing; chloroplast genome; MITObim

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

ISSN: 2380-2359

年卷期: 2018 年 3 卷 2 期

页码:

收录情况: SCI

摘要: Chloroplast (cp) genome sequences provide a valuable source for phylogenetic analysis, which becomes a popular tool for population and phylogeny in a recent report. Here, the complete chloroplast genome of the Paphiopedilum wardii has been reconstructed from the whole-genome Illumina sequencing data. The circular genome is 169,820bp in size and comprises a pair of inverted repeat (IR) regions of 33,641bp each, a large single-copy (LSC) region of 98,872bp and a small single-copy (SSC) region of 3666bp. The total GC content is 33.8%, while the corresponding values of the IR regions, LSC, and SSC and are 38.7%, 31.7% and 26.7%, respectively. The chloroplast genome contains 151 genes, including 91 protein-coding genes, eight ribosomal RNA genes and 52 transfer RNA genes. Two genes (ndhA and ndhB) are pseudogenized or lost in its cpDNA. The maximum-likelihood phylogenetic analysis showed a close relationship with P. armeniacum in Orchidaceae. Our findings provide useful information for phylogenetic and evolutionary research of Paphiopedilum species.

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