ArticleBMC genomics2025
The first complete mitochondrial genome of Curcuma amarissima (Zingiberaceae): insights into multi-branch structure, codon usage, and phylogenetic evolution.
Article in BMC genomics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Comparative analysis of the complete multi-chromosomal mitogenome of an antitussive herb Fritillaria unibracteata.BMC genomics · 2026Article
- Repeat Proliferations in the Non-Coding Regions Drive Mitochondrial Genome Expansion inBiology · 2026Article
- Comparative analysis of the complete multi-chromosomal mitogenome of Anoectochilus emeiensis (Orchidaceae).BMC plant biology · 2026Article
- The Mitochondrial Genome ofGenes · 2026Article
- Comparative analysis of complete mitochondrial genomes fromFrontiers in plant science · 2026Article
- First Identification of MORF Family in Ferns: Molecular Regulation of Organellar RNA Editing inBiology · 2025Article
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5 authors.
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Abstract
backgroundAs a key genus in Zingiberaceae, Curcuma is widely studied for its taxonomic diversity, the presence of bioactive curcuminoids and volatile oils, and its extensive applications in traditional medicine and economic products such as spices and cosmetics. Although chloroplast genomes have been assembled and published for over 20 Curcuma species, mitochondrial genomic data remain limited.
resultsWe successfully sequenced, assembled, and annotated the mitogenome of Curcuma amarissima (C. amarissima) using both Illumina short reads and Nanopore long reads, achieving the first complete mitogenome characterization in the Zingiberaceae family. The C. amarissima mitogenome features a unique multi-branched structure, spanning 6,505,655 bp and consisting of 39 distinct segments. It contains a total of 43 protein-coding genes, 63 tRNA genes, and 4 rRNA genes, with a GC content of 44.04%. Codon usage analysis indicated a weak bias, with neutrality plot analysis suggesting natural selection as a key factor shaping mitochondrial codon usage in C. amarissima. The mitogenome provides valuable insights into genome size, coding genes, structural features, RNA editing, repetitive sequences, and sequence migration, enhancing our understanding of the evolution and molecular biology of multi-branched mitochondria in Zingiberaceae. The high frequency of repeat sequences may contribute to the structural stability of the mitochondria. Comparing chloroplast genome, phylogenetic analysis based on the mitochondrial genome establishes a foundation for further exploration of evolutionary relationships within Zingiberaceae.
conclusionsIn short, the mitochondrial genome characterized here advances our understanding of multi-branched mitogenome organization in Zingiberaceae and offers useful genomic resources that may support future breeding, germplasm conservation, and phylogenetic studies, though further research is necessary.
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