The complete chloroplast genome sequence of Davidia involucrata

Li Ang; Hou Zhe

doi:10.1080/23802359.2020.1860715

The complete chloroplast genome sequence of Davidia involucrata

Mitochondrial DNA B Resour. 2021 Jan 19;6(1):171-173. doi: 10.1080/23802359.2020.1860715.

Authors

Li Ang¹, Hou Zhe^{1

2

3}

Affiliations

¹ Ecological Security and Protection Key Laboratory of Sichuan Province, Mianyang Normal University, Mianyang, China.
² Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), College of Life Science, China West Normal University, Nanchong, China.
³ MOE Key Laboratory for Biodiversity Science and Ecological Engineering, Beijing Normal University, Beijing, China.

Abstract

Davidia involucrata Baill. is a kind of tertiary paleotropical plant floristic relic species unique to China. This rare plant is disappearing due to poor adaptability and serious poaching. Davidia involucrata has been listed as a national first-level protected wild plant, a unique genus plant unique to China, a relic plant, and a well-known ornamental plant in the world. It is a national-level protected plant. In this study, the complete chloroplast genome sequence of D. involucrata was characterized from Illumina pair-end sequencing. The chloroplast genome of D. involucrata was 158,118 bp in length, containing a large single-copy (LSC) region of 87,329 bp, a small single-copy (SSC) region of 18,869 bp, and two inverted repeat (IR) regions of 25,960 bp. The overall GC content is 37.80%, while the corresponding values of the LSC, SSC, and IR regions are 36.0%, 31.6%, and 43.1%, respectively. The genome contains 132 complete genes, including 86 protein-coding genes, 38 tRNA genes, and eight rRNA genes. Phylogenetic analysis based on complete chloroplast genomes showed that D. involucrata and Camptotheca acuminate clustered together as sisters to other related species.

Keywords: Davidia involucrata; chloroplast genome; phylogenetic analysis.

Grants and funding

Financial support for this research was provided by the Open Fund of Ecological Security and Protection Key Laboratory of Sichuan Province, Mianyang Normal University (Grant No. ESP2004), the Open Fund of MOE Key Laboratory of Biodiversity and Ecology Engineering, Beijing Normal University (Grant No. K202001), and the Fundamental Research Funds of China West Normal University (Grant No. 19E044).