ArticleGenetics and molecular biology2021
Comparative and phylogenetic analyses of Swertia L. (Gentianaceae) medicinal plants (from Qinghai, China) based on complete chloroplast genomes.
Article in Genetics and molecular biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 6 citations in OpenAlex.
- The complete chloroplast genome ofMitochondrial DNA. Part B, Resources · 2024Article
- The Return of Inorganic Substance Poisoning as a Method of Suicide. An Analysis of Autopsy Reports from 2018-2023 with a Discussion of the Phenomenon.Archiwum medycyny sadowej i kryminologii · 2024Article
- Comparative chloroplast genomics of 34 species in subtribe Swertiinae (Gentianaceae) with implications for its phylogeny.BMC plant biology · 2023Article
- Characteristics of the complete chloroplast genome ofMitochondrial DNA. Part B, Resources · 2023Article
- The complete chloroplast genome sequence ofMitochondrial DNA. Part B, Resources · 2023Article
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Authors and funding
10 authors at 3 institutions in 1 country.
Funding
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Abstract
Swertia L. is a large genus in Swertiinae (Gentianaceae). In China, many Swertia species are used as traditional Tibetan medicines, known as "Zangyinchen" or "Dida". However, the phylogenetic relationships among Swertia medicinal plants and their wild relatives have remained unclear. In this study, we sequenced and assembled 16 complete chloroplast (cp) genomes of 10 Swertia species, mainly distributed in Qinghai Province, China. The results showed that these species have typical structures and characteristics of plant cp genomes. The sizes of Swertia cp genomes are ranging from 149,488 bp to 154,097 bp. Most Swertia cp genomes presented 134 genes, including 85 protein coding genes, eight rRNA genes, 37 tRNA genes, and four pseudogenes. Furthermore, the GC contents and boundaries of cp genomes are similar among Swertia species. The phylogenetic analyses indicated that Swertia is a complex polyphyletic group. In addition, positive selection was found in psaI and petL genes, indicating the possible adaptation of Qinghai Swertia species to the light environment of the Qinghai-Tibet plateau. These new cp genome data could be further investigated to develop DNA barcodes for Swertia medicinal plants and for additional systematic studies of Swertia and Swertiinae species.
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