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Abstract
Trailliaedoxa gracilis (Rubiaceae) is a Chinese endemic monotypic genus distributed in southwestern China. This study reported the complete chloroplast genome of T. gracilis assembled from Illumina sequencing reads. The chloroplast genome size is 152,407 bp, containing a single large copy (LSC) region of 82,957 bp, a short single copy (SSC) region of 17,936 bp, and a pair of inverted repeats (IRs) of 25,757 bp. A total of 127 genes were found, including 82 protein-coding genes, 37 tRNA genes, and eight rRNA genes. A phylogenetic analysis using the maximum likelihood algorithm revealed that T. gracilis belonged to the subfamily Ixoroideae and had the closest relationship with Scyphiphora hydrophyllacea.
Acknowledgments
The authors are sincerely thankful to Prof. Xun Gong (Kunming Botanical Garden) for providing plant materials and Dr. Achyut Kumar Banerjee (Sun Yat-sen University) for editing the English text of this manuscript.
Ethical statement
The plant samples were collected with permission granted by the Forestry and Grassland Administration of Luquan County, Kunming (China).
Disclosure statement
No potential conflict of interest was reported by the author(s).
Author contributions
F. T. and J. W. conceived and designed the experiments. J. L., C. P., Q. L., and Y. J. performed the experiments. F. T. and W. L. analyzed and interpreted the data and wrote the paper. All authors have read and approved the manuscript and agreed to be accountable for the work.
Data availability statement
The genome sequence data are available in GenBank under accession no. MK590999. The associated BioProject, SRA, and Bio-Sample numbers are PRJNA813343, SRR18249556, and SAMN26492387, respectively.