Complete chloroplast genome of Lamiophlomis rotata: comparative genome analysis and phylogenetic analysis

Abstract

Lamiophlomis rotata, the only species within the genus Lamiophlomis (family Labiatae), exhibits a broad geographical distribution in elevated highland areas in Qinghai-Tibetan Plateau and possesses significant therapeutic properties. Numerous chemical compositions and putative phylogenetic affiliations of this species have been documented in prior research. Nevertheless, there is a scarcity of accessible publications regarding the genomic data of L. rotata, particularly its chloroplast genome. This dearth of knowledge hampers the comprehensive investigation of its phylogenetic placement within the Labiatae family. In this study, we present a comprehensive analysis of the plastid genome of L. rotata. The plastid genome has a length of 151,837 base pairs (bp) and a GC content of 38.5%. Within this genome, a total of 135 genes were identified, including 90 protein-coding genes, 37 transfer RNA (tRNA) genes, and eight ribosomal RNA (rRNA) genes. By employing phylogenetic analysis, the taxonomic position of L. rotata within the family Labiatae is elucidated, highlighting a close relationship between the genus Lamiophlomis and the genus Phlomis. Notably, extensive genetic variations were uncovered between L. rotata and other Phlomis species. This study could provide significant insights for understanding the phylogenetic relationships of taxa within Labiatae.

Keywords:

• Chloroplast genome
• Labiatae
• Lamiophlomis rotata
• comparative genomics
• phylogenetic analysis

Acknowledgments

We thank postdoc Cheng Zhang (Chengdu Institute of Biology, Chinese Academy of Sciences) for collecting samples. The funding support for this study was provided by the National Natural Science Foundation of China (32300202), and the Basic Research Funds for Central Universities (2023SCU12110).

Author contributions

J.W. and Y.M. conceived the work; X.M. collected samples; J.W. and X.M. performed the experiments and analyzed the data; J.W. wrote the manuscript; Y.M. and X.M. revised the manuscript. All authors gave final approval to the paper.

Disclosure statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.