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The complete chloroplast genome sequence of Viola kunawarensis Royle, a precious Uygur medicinal material.

ABSTRACT: Viola kunawarensis Royle is a precious Uygur medicinal material that has anti-fever and detoxifying effects. This study reports the complete chloroplast genome sequence of V. kunawarensis based on Illumina NovaSeq-PE150 platform sequencing reads. The genome is 156,837 bp long and contains a small single-copy (SSC) region of 17,059 bp and a large single-copy (LSC) region of 86,194 bp, separated by two inverted repeats (IRs) of 26,792 bp each. There are 111 unique genes in the chloroplast genome. In this study, V. kunawarensis was confirmed to be most closely related to all comprising Viola taxa except Viola mirabilis and Viola websteri.

SUBMITTER: Zhou J

PROVIDER: S-EPMC9518287 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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The complete chloroplast genome sequence of Viola kunawarensis Royle, a precious Uygur medicinal material.

Zhou Jinchao J Zhang Jizhao J Qiu Yuanjin Y Fan Congzhao C

Mitochondrial DNA. Part B, Resources 20220923 9

Viola kunawarensis Royle is a precious Uygur medicinal material that has anti-fever and detoxifying effects. This study reports the complete chloroplast genome sequence of V. kunawarensis based on Illumina NovaSeq-PE150 platform sequencing reads. The genome is 156,837 bp long and contains a small single-copy (SSC) region of 17,059 bp and a large single-copy (LSC) region of 86,194 bp, separated by two inverted repeats (IRs) of 26,792 bp each. There are 111 unique genes in the chloro ...[more]

PMID: 36188669

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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

The complete chloroplast genome sequence of Viola kunawarensis Royle, a precious Uygur medicinal material.

Publications

The complete chloroplast genome sequence of <i>Viola kunawarensis</i> Royle, a precious Uygur medicinal material.

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