| Revue: | Genetics and molecular biology |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000459235 |
| ISSN: | 1415-4757 |
| Autores: | Xu, Xin1 Li, Jinping2 Chu, Ran1 Luan, Mengjie1 Wang, Hongyu2 Song, Kexin1 Wei, Shixia1 Shi, Yuhua1 Zhu, Shixin1 Wei, Zhen1 |
| Instituciones: | 1Zhengzhou University, School of Life Sciences, Zhengzhou, Henan. China 2Qinghai Normal University, School of Life Sciences, Xining, Qinghai. China |
| Año: | 2022 |
| Volumen: | 45 |
| Número: | 1 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Experimental, analítico |
| Resumen en inglés | 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 |
| Disciplinas: | Biología |
| Palabras clave: | Genética, Botánica, Evolución y filogenia, Swertia, Gentianaceae, Plantas medicinales, China, Genoma, Cloroplastos |
| Keyword: | Genetics, Botany, Evolution and phylogeny, Swertia, Gentianaceae, Chloroplasts, Genome, Medicinal plants, China |
| Texte intégral: | Texto completo (Ver HTML) Texto completo (Ver PDF) |
