Complete chloroplast genome of the endemic species Hoya lockii (Apocynaceae) from Viet Nam

Mitochondrial DNA Part B 2026 Open access

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Authors: Nga Thi Thu Nguyen, Changyoung Lee, Manivanh Yongsa, Quan Huu Nguyen, Sangjin Jo, Thuong Danh Sy, Mau Hoang Chu
DOI: 10.1080/23802359.2026.2658954
Cited by: 1
References: 21

Abstract

Here we report the first chloroplast genome of Hoya lockii V.T. Pham & Aver., sequenced as a circular DNA molecule (177,063 bp) comprising a large single-copy region (91,635 bp), a small single-copy region (2,242 bp), and two inverted repeats (41,593 bp), with a GC content of 36.9%. A total of 144 genes were annotated, including 98 protein-coding, 38 tRNA, and eight rRNA genes. Phylogenetic reconstruction based on 79 protein-coding genes from 50 Apocynaceae species placed H. lockii as sister to Hoya exilis with strong bootstrap support (93%). These results indicate pronounced SSC contraction and IR expansion, consistent with Hoya evolution.

Fields of Study & Subjects

Genomics and Phylogenetic Studies Plant Diversity and Evolution Plant and Fungal Species Descriptions

Publication details

Journal / source
Mitochondrial DNA Part B
Publisher
Informa UK Limited
Volume
11
Issue
5
Pages
653–658
Publication date
17 April 2026
Language
EN