Abstract
Ligusticum sinense is a popular herb in Chinese medicine. The circular double-stranded complete chloroplast genome of L. sinense was 146,342 bp in length, exhibiting a typical quadripartite structure. It contained a large single-copy region (LSC) of 91,788 bp, a small single-copy region (SSC) of 17,618 bp and two identical inverted repeat (IR) regions of 18,468 bp each. The overall nucleotide composition of chloroplast genome sequence is: A (30.8%), T (31.6%), C (19.2%), G (19.4%) and the total G + C content of 38.6%. The chloroplast genome contained 127 genes, including 83 protein-coding genes, 36 transfer RNA genes and 8 ribosomal RNA genes were annotated. The total of 15 genes duplicated in one of the IR, including 6 tRNA, 4 rRNA, and 5 protein-coding genes. The ML phylogenetic tree indicated that L. sinense is closely related to L. tenuissimum in the phylogenetic relationship.
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