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Abstract
The complete chloroplast genome of Mitrasacme pygmaea was sequenced and assembled for the first time. The chloroplast genome is 152,611 bp in length, containing a large single-copy (LSC) region of 83,881 bp and a small single-copy region (SSC) of 18,110 bp, separated by a pair of inverted repeats (IRs) of 25,310 bp. The genome contains 113 unique genes, including 79 protein-coding genes, 30 tRNA genes, and 4 rRNA genes. Among them, 15 genes have one intron each and 3 genes contain two introns. The overall GC content is 37.9%, while the corresponding values of LSC, SSC, and IR regions are 36.0%, 31.7%, and 43.4%, respectively. Phylogenetic analysis showed that M. pygmaea is sister to Gentiana tibetica and provided new insight into the evolution of Loganiaceae.
Author contributions
All four authors of the article are teachers at Jiangxi university of traditional Chinese medicine, their main research direction is the development and utilization of traditional Chinese medicine resources. Their work in this article is as follows: Xiaolang Du collected the materials and wrote the article; Lan Cao analyzed the data; Guoyue Zhong directed the writing of the article; Zejin Mu, revised the article.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Data availability statement
The data that support the findings of this study are openly available in GenBank at https://www.ncbi.nlm.nih.gov/genbank/, accession numbers [NC_030319, NC_021423, MH327990, NC_028009, NC_036987 and NC_036985]. The complete chloroplast genome generated for this study has been deposited in GenBank with accession number MT330399.