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Complete chloroplast genome sequence of the medicinal plant Gynostemma pentaphyllum.

ABSTRACT: We report the complete chloroplast genome sequence of Gynostemma pentaphyllum, a well-known traditional Chinese medicine, which produces triterpenoid saponins similar to Panax ginseng. The assembled chloroplast genome (cpDNA) was 157,654?bp in length and structurally divided into four distinct regions, namely, large single copy region (86,794?bp), small single copy region (18,654?bp) and a pair of inverted repeat regions (26,103?bp). A total of 143 genes were annotated, including 87 protein-coding genes, 10 tRNA genes and 46 rRNA genes. Phylogenetic analysis revealed that the chloroplast genome sequence of G. pentaphyllum is most closely related to Cucumis melo.

SUBMITTER: Zeng XY

PROVIDER: S-EPMC7800860 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Complete chloroplast genome sequence of the medicinal plant <i>Gynostemma pentaphyllum</i>.

Zeng Xin-Yi XY Zou Li-Qiu LQ Kuang Xue-Jun XJ Li Ying Y

Mitochondrial DNA. Part B, Resources 20161029 1

We report the complete chloroplast genome sequence of <i>Gynostemma pentaphyllum</i>, a well-known traditional Chinese medicine, which produces triterpenoid saponins similar to Panax ginseng. The assembled chloroplast genome (cpDNA) was 157,654 bp in length and structurally divided into four distinct regions, namely, large single copy region (86,794 bp), small single copy region (18,654 bp) and a pair of inverted repeat regions (26,103 bp). A total of 143 genes were annotated, including 87 prote ...[more]

PMID: 33473628

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Project description:Sophora tonkinensis belongs to genus Sophora of the Fabaceae family. It is mainly distributed in the ridge and peak regions of limestone areas in western China and has high medicinal value and important ecological functions. Wild populations of S. tonkinensis are in danger and need urgent conservation. Furthermore, wild S. tonkinensis resources are very limited relative to the needs of the market, and many adulterants are present on the market. Therefore, a method for authenticating S. tonkinensis and its adulterants at the molecular level is needed. Chloroplast genomes are valuable sources of genetic markers for phylogenetic analyses, genetic diversity evaluation, and plant molecular identification. In this study, we report the complete chloroplast genome of S. tonkinensis. The circular complete chloroplast genome was 154,644 bp in length, containing an 85,810 bp long single-copy (LSC) region, an 18,321 bp short single-copy (SSC) region and two inverted repeat (IR) regions of 50,513 bp. The S. tonkinensis chloroplast genome comprised 129 genes, including 83 protein-coding genes, 38 transfer RNA (tRNA) genes, and 8 ribosomal RNA (rRNA) genes. The structure, gene order and guanine and cytosine (GC) content of the S. tonkinensis chloroplast genome were similar to those of the Sophora alopecuroides and Sophora flavescens chloroplast genomes. A total of 1,760 simple sequence repeats (SSRs) were identified in the chloroplast genome of S. tonkinensis, and most of them (93.1%) were mononucleotides. Moreover, the identified SSRs were mainly distributed in the LSC region, accounting for 60% of the total number of SSRs, while 316 (18%) and 383 (22%) were located in the SSC and IR regions, respectively. Only one complete copy of the rpl2 gene was present at the LSC/IRB boundary, while another copy was absent from the IRA region because of the incomplete structure caused by IR region expansion and contraction. The phylogenetic analysis placed S. tonkinensis in Papilionoideae, sister to S. flavescens, and the genera Sophora and Ammopiptanthus were closely related. The complete genome sequencing and chloroplast genome comparative analysis of S. tonkinensis and its closely related species presented in this paper will help formulate effective conservation and management strategies as well as molecular identification approaches for this important medicinal plant.

Dataset Information

Complete chloroplast genome sequence of the medicinal plant Gynostemma pentaphyllum.

Publications

Complete chloroplast genome sequence of the medicinal plant <i>Gynostemma pentaphyllum</i>.

Similar Datasets

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