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Updated: Nov 21, 2025

Novel Sequence Discovery by Subtractive Genomics
Published on: January 25, 2019
The complete chloroplast genome sequence of Dendrobium wangliangii (Orchidaceae)
Shi-Cheng Shao1, Lu Tang1,2, Yan Luo1,3
1Gardening and Horticulture Department, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Yunnan, P.R. China.
Abstract:
Dendrobium wangliangii is a rare orchid species with extremely small populations, endemic to China. In this study, the complete chloroplast (cp) genome sequence and the genome features of D. wangliangii were analyzed. The whole cp genome sequence of D. wangliangii is 160,052 including a large single-copy region (LSC, 87,525 bp), a small single-copy region (SSC, 18,373 bp), and a pair of repeat regions (IRs, 27,077 bp, each). The contents of four bases in cpDNA were A (30.9%), C (18.9%), G (18.3%) and T (31.9%), respectively. The total content of GC is 37.1%. The cp genome contains 129 genes, consisting of 124 unique genes (78 protein-coding genes, 38 tRNAs, and 8 rRNAs). Phylogenetic analysis showed that D. wangliangii nested with other Dendrobium spp. and was closely related to D. ellipsophyllum, D. wattii and D. longicornu.
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