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Abstract
Pholidota Lindl. ex Hook. was placed in tribe Arethuseae Lindl. (Epidendroideae, Orchidaceae), while its generic relationship has been unclear. Since the plastid genome could play a key role in plant systematics, the complete chloroplast (cp) genome of P. articulata was reported in this paper. The cp genome was 160,114 bp in length with four typical quadripartite structures, which was consisted of a large single copy (LSC) region of 87,756 bp, a small single copy (SSC) region of 18,872 bp, and two inverted repeats (IR) of 26,734 bp. In addition, the cp genome encoded 132 genes in total, of which were 113 unique genes, including 79 protein-coding genes, 30 tRNAs, and 4 rRNAs. The phylogenetic analysis indicated that P. articulata was closely clustered with other two species of Pholidota and that they appeared to be related to Pleione in Arethuseae Lindl.
Acknowledgements
We are grateful to Dr. Fei Zhao in Kunming Institute of Botany Chinese Academy of Sciences, for his help in this manuscript. We also thank Mr. Zhi-feng Xu and Mrs. Xiao-yun Wang in the Orchid Conservation Center of Yunnan Fengchunfang Biotechnology Co., Ltd, for providing sample materials.
Disclosure statement
No potential conflict of interest was reported by the authors.
Data availability statement
The genome sequence data that support the findings of this study are openly available in GenBank of NCBI at https://www.ncbi.nlm.nih.gov under the accession No. MT712149. The raw sequence data used in this research were deposited successfully with registered numbers of associated BioProject, SRA, and Bio-Sample: PRJNA664054, SRR12669922, and SAMN16197462, respectively.