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DNA super-barcoding of several medicinal species in Gentiana from Yunnan province / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 5260-5269, 2021.
Article in Chinese | WPRIM | ID: wpr-921671
ABSTRACT
Gentiana is an important but complicated group in Gentianaceae. The genus covers numerous medicinal plants which are difficult to be identified. In the present study, several medicinal species in Gentiana from Yunnan province, including G. rigescens, G.rhodantha, and G. delavayi, were sequenced using the Illumina HiSeq 2500 system. Three complete chloroplast genome sequences were obtained after assembly and annotation. According to several published genome sequences of G. crassicaulis, the DNA super-barcoding of species in Gentiana was preliminarily carried out. The results revealed that chloroplast genomes of the three species were conservative with short lengths(146 944, 148 992, and 148 796 bp, respectively). The genomes encoded 114 genes, including 78 protein-coding genes, 30 tRNA genes, 4 rRNA genes, and 2 pseudogenes. Furthermore, these medicinal species in Yunnan province were identified using DNA super-barcoding based on chloroplast genomes. The results showed that the Gentiana species could be gathered into monophyletic branches with a high support value(100%). It indicated that DNA super-barcoding possessed obvious advantages in discriminating species in complicated genera. This study is expected to provide a scientific basis for the identification, utilization, and conservation of Gentiana species.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phylogeny / DNA / China / Gentiana / Genome, Chloroplast Country/Region as subject: Asia Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phylogeny / DNA / China / Gentiana / Genome, Chloroplast Country/Region as subject: Asia Language: Chinese Journal: China Journal of Chinese Materia Medica Year: 2021 Type: Article