4.3 Article

Characterization of the complete chloroplast genome of Tabernaemontana divaricate (Apocynaceae), a valuable and endangered plant

Journal

MITOCHONDRIAL DNA PART B-RESOURCES
Volume 6, Issue 11, Pages 3125-3126

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/23802359.2021.1984331

Keywords

Tabernaemontana divaricata; Apocynaceae; chloroplast genome; illumina sequencing; phylogenetic analysis

Funding

  1. Youth Science and Technology Research Fund of Applied Basic Research Program in Shanxi Province [201901D211426]
  2. Science and Technology Innovation Project of Higher Education in Shanxi Province [2019L0770]
  3. Datong Science and Technology Bureau Applied Basic Research Project [2020137]

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Tabernaemontana divaricata, a vulnerable species of Apocynaceae with medicinal values, has its complete chloroplast genome determined in this study. The genome is 157,954 bp in length, containing 131 genes and showing a close relationship with Catharanthus roseus and Rauvolfia serpentina according to phylogenetic analysis.
Tabernaemontana divaricate is a vulnerable species of Apocynaceae with significant medicinal values. In this study, the complete chloroplast (cp) genome of T. divaricate was determined through the Illumina NovaSeq platform. The circular molecular genome was157,954 bp in length with two inverted repeats (IRa and IRb) regions of 25,769 bp, a large single-copy (LSC) region of 88,246 bp, and a small single-copy (SSC) region of 18,170 bp. It contained 131 genes, including 86 protein-coding, 37 tRNA, and eight rRNA genes. Phylogenetic analysis showed that T. divaricata exhibited the closest relationship with Catharanthus roseus and Rauvolfia serpentina.

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