The complete chloroplast genome of Polygala subopposita , an endemic milkwort in China

is an endemic milkwort species in China. In this study, we present the assembly of its chloroplast genome (plastome) for the first time. The total plastome size is 164,784 bp in length, consisting of a large single-copy (LSC) region of 83,235 bp, a small single-copy (SSC) region of 8,037 bp, and two...

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Published inMitochondrial DNA. Part B. Resources Vol. 8; no. 11; pp. 1290 - 1293
Main Author Wang, Yin-Huan
Format Journal Article
LanguageEnglish
Published England Taylor & Francis Ltd 2023
Taylor & Francis Group
Subjects
Chloroplast genome
Chloroplasts
ClpP gene
Endemic species
Genes
Genomes
Inverted repeat
Mitochondrial DNA
phylogenetic analysis
Phylogenetics
Phylogeny
Polygala
Polygala subopposita
Polygalaceae
rRNA
tRNA
phylogenetic analysis
Polygala subopposita
Chloroplast genome
Polygalaceae
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Summary:is an endemic milkwort species in China. In this study, we present the assembly of its chloroplast genome (plastome) for the first time. The total plastome size is 164,784 bp in length, consisting of a large single-copy (LSC) region of 83,235 bp, a small single-copy (SSC) region of 8,037 bp, and two inverted repeat (IR) regions of 36,756 bp that have expanded approximately 10 kb into the SSC region. A total of 111 unique genes were identified in the plastome, including 77 protein-coding, 30 tRNA, and four rRNA genes. Interestingly, the Q gene was found to have two additional copies in the IRs, and the P gene lost its entire intron 2. Phylogenetic analysis suggests a close relationship between and . These findings provide valuable genomic resources for further research on the phylogenetic and evolutionary studies of Polygalaceae.
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ISSN:2380-2359
2380-2359
DOI:10.1080/23802359.2023.2284410