ArticleBMC genomics2024
Decoding the complete organelle genomic architecture of Stewartia gemmata: an early-diverging species in Theaceae.
Article in BMC genomics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 11 citations in OpenAlex.
- Organelle genome evolution in the early-diverging brown algal lineage, Ishigeales.Journal of phycology · 2026Article
- Assembly and Characterization of the Complete Mitochondrial Genome ofInternational journal of molecular sciences · 2026Article
- Plastome evidence repositionsFrontiers in plant science · 2026Article
- Assembly and comparative analysis of the complete multichromosomal mitochondrial genome of an endangered orchid species,Frontiers in plant science · 2026Article
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- Assembly and analysis of the first complete mitochondrial genome sequencing of main Tea-oil Camellia cultivars Camellia drupifera (Theaceae): revealed a multi-branch mitochondrial conformation for Camellia.BMC plant biology · 2025Article
- Testing Phylogenetic Placement Accuracy of DNA Barcode Sequences on a Fish Backbone Tree: Implications of Backbone Tree Completeness and Species Representation.Ecology and evolution · 2025Article
- Analysis of the mitochondrial genome of theFrontiers in plant science · 2025Article
- Organelle genomes reveal adaptive evolution and phylogenetic position of the endangeredFrontiers in plant science · 2025Article
- Analysis of the complete mitogenomes of three high economic value tea plants (Tea-oil Camellia) provide insights into evolution and phylogeny relationship.Frontiers in plant science · 2025Article
- Deciphering the complex organelle genomes of two Rhododendron species and insights into adaptive evolution patterns in high-altitude.BMC plant biology · 2024Article
- Complete Mitogenome Assembly and Comparative Analysis ofInternational journal of molecular sciences · 2024Article
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9 authors at 5 institutions in 2 countries.
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Abstract
backgroundTheaceae, comprising 300 + species, holds significance in biodiversity, economics, and culture, notably including the globally consumed tea plant. Stewartia gemmata, a species of the earliest diverging tribe Stewartieae, is critical to offer insights into Theaceae's origin and evolutionary history.
resultWe sequenced the complete organelle genomes of Stewartia gemmata using short/long reads sequencing technologies. The chloroplast genome (158,406 bp) exhibited a quadripartite structure including the large single-copy region (LSC), a small single-copy region (SSC), and a pair of inverted repeat regions (IRs); 114 genes encoded 80 proteins, 30 tRNAs, and four rRNAs. The mitochondrial genome (681,203 bp) exhibited alternative conformations alongside a monocyclic structure: 61 genes encoding 38 proteins, 20 tRNAs, three rRNAs, and RNA editing-impacting genes, including ATP6, RPL16, COX2, NAD4L, NAD5, NAD7, and RPS1. Comparative analyses revealed frequent recombination events and apparent rRNA gene gains and losses in the mitochondrial genome of Theaceae. In organelle genomes, the protein-coding genes exhibited a strong A/U bias at codon endings; ENC-GC3 analysis implies selection-driven codon bias. Transposable elements might facilitate interorganelle sequence transfer. Phylogenetic analysis confirmed Stewartieae's early divergence within Theaceae, shedding light on organelle genome characteristics and evolution in Theaceae.
conclusionsWe studied the detailed characterization of organelle genomes, including genome structure, composition, and repeated sequences, along with the identification of lateral gene transfer (LGT) events and complexities. The discovery of a large number of repetitive sequences and simple sequence repeats (SSRs) has led to new insights into molecular phylogenetic markers. Decoding the Stewartia gemmata organellar genome provides valuable genomic resources for further studies in tea plant phylogenomics and evolutionary biology.
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