ArticleBMC plant biology2025
Complete mitochondrial genome of Polygonatum cyrtonema Hua reveals variation diversity and evolutionary trends.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- VCboost: reducing false positives in long-read variant calling for single-nucleotide polymorphism and indel detection in challenging genomic regions.Briefings in bioinformatics · 2026Article
- Assembly and comparative analysis of the complete mitochondrial genome of Polygonatum odoratum (Yuzhu), a medicine-food homologous plant.BMC plant biology · 2026Article
- Assembly and phylogenetic analysis of the mitochondrial genome of the Cyclocarya paliurus.Functional & integrative genomics · 2026Article
- The multichromosomal structure evolution ofFrontiers in plant science · 2026Article
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5 authors.
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Abstract
backgroundPolygonatum cyrtonema Hua, a valuable medicinal and edible plant in China, has been increasingly cultivated to produce nutritional and health products to meet market demand. However, the absence of the mitochondrial genome hinders the research of evolutionary analysis, artificial cultivation, and medicinal resource development. This study aimed to systematically characterize the mitochondrial genome of P. cyrtonema and perform a preliminary bioinformatic analysis.
resultIn this study, the mitochondrial genome of P. cyrtonema was assembled and annotated by combining Illumina reads with long-read Oxford Nanopore Technologies, which formed a complex non-circular structure covering 664,991 bp in length, with 33 protein-coding genes, 20 tRNAs, and 3 rRNAs. Overall, a total of 194 simple repeats, 24 tandem repeats, and 294 dispersed repeats were identified, and 599 RNA editing sites were predicted, all of which were C-to-T types. In particular, 29 homologous fragments between the chloroplast and mitochondrial genome were detected and accounted for 2.4% of the mitochondrial genome. In addition, codon usage analysis, nucleotide diversity analysis, and Ka/Ks analysis suggested a slower rate of evolution and a relatively conserved structure of the mitochondrial genome. Phylogenetic relationships based on 33 species demonstrated that P. cyrtonema was most closely related to Polygonatum sibiricum.
conclusionOur results provide comprehensive information on the mitochondrial genome of P. cyrtonema, and demonstrate the availability of mitochondrial genome-based taxonomic classification for Polygonatum Mill.. Moreover, it offers a valuable foundation for future research in the cultivation and pharmacological development within Polygonatum species.
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