The complete chloroplast genome sequence of Gentiana triflora and comparative analysis with its congeneric species

Authors

  • Xinke Zhang Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing, China
  • Yujing Miao Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing, China
  • Xiao Sun Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing, China
  • Yuan Jiang Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing, China
  • Tiexin Zeng Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing, China
  • Yan Zheng Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing, China
  • LinFang Huang Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Beijing, China

DOI:

https://doi.org/10.5073/JABFQ.2022.095.007

Abstract

Gentiana triflora is an important medicinal plant in China with economic and medicinal value. Here, we report the complete chloroplast
sequences of G. trifloral. The cp genome of G. triflora of 149, 125 bp contains 130 unique genes, including 85 protein-coding genes,
8 rRNA genes, and 37 tRNA genes. The analysis of repeat showed that palindromic had the highest frequency. Besides, a total number
of 45 SSR were identified, most of which were mononucleotide adenine-thymine. Comparative genome analysis of Gentiana species
revealed that the pair of the inverted repeat was more conserved than the single-copy region. This analysis resulted in identification of 8 hypervariable regions (trnH-GUG, trnG-UCC-intron, atpI, trnD-GUC, trnL-UAA, rpl32-trnL-UAG, petA and ycf1). Phylogenetic analysis revealed that G. triflora was most closely related to Gentiana manshurica. In conclusion, this study enriched the genomic resources of the Gentiana genus and provided a basis for evolution and phylogeny analyses.

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Published

2022-05-09

Issue

Vol. 95 (2022): Journal of Applied Botany and Food Quality

Section

Plant physiology

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