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The complete chloroplast genome of Ligusticum jeholense (Umbelliferae, Ligusticum L.).

ABSTRACT: Ligusticum jeholense is an important medicinal plant. Chloroplast genome information is helpful for the development of molecular markers and the study of plant phylogeny. In this study, we report the complete chloroplast genome sequence of L. jeholense. The genome sequence is 148,493 bp in size (GenBank accession number MN652885), with 37.25% GC contents. There are 127 genes in the genome, including 83 known protein-coding genes (PCGs), 36 transfer RNAs (tRNAs), and 8 ribosomal RNAs (rRNAs). The maximum-likelihood method are used to construct phylogenetic tree of 32 species. These data will provide certain theoretical basis for plant genetics research.

SUBMITTER: Wang SJ

PROVIDER: S-EPMC7781892 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Molecular Structure and Phylogenetic Analyses of the Complete Chloroplast Genomes of Three Medicinal Plants Conioselinum vaginatum, Ligusticum sinense, and Ligusticum jeholense

Project description:Most plants of Ligusticum have an important medicinal and economic value with a long history, Ligusticum sinense and L. jeholense (“Gaoben”) has long been used in traditional Chinese medicine for the treatment of carminative, dispelling cold, dehumidification, and analgesia. While in the market Conioselinum vaginatum (Xinjiang Gaoben) is substitution for Gaoben, and occupies a higher market share. These three Gaoben-related medicinal materials are similar in morphology, and are difficult to distinguish from each other by the commonly used DNA barcodes. The chloroplast genome has been widely used for molecular markers, evolutionary biology, and barcoding identification. In this study, the complete chloroplast genome sequences of C. vaginatum, L. sinense, and L. jeholense were reported. The results showed that the complete chloroplast genomes of these three species have typical quadripartite structures, which were comprised of 148,664, 148,539, and 148,497 bp. A total of 114 genes were identified, including 81 protein-coding genes (PCGs), 29 tRNA genes, and four rRNA genes. Our study indicated that highly variable region ycf2-trnL and accD-ycf4 that can be used as specific DNA barcodes to distinguish and identify C. vaginatum, L. sinense, and L. jeholense. In addition, phylogenetic study showed that C. vaginatum nested in Ligusticum and as a sister group of L. sinense and L. jeholense, which suggested these two genera are both in need of revision. This study offer valuable information for future research in the identification of Gaoben-related medicinal materials and will benefit for further phylogenetic study of Apiaceae.

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