ArticleNature communications2023
Origin of minicircular mitochondrial genomes in red algae.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 23 citations in OpenAlex.
- Organellar Genome Analysis of the Red AlgaLife (Basel, Switzerland) · 2026Article
- Mitochondrial Genome Reduction and Accelerated Evolution in Planktonic Foraminiferans.MicrobiologyOpen · 2026Article
- SEM mapping of sequence-specific protein-DNA interactions on long DNA molecules.Nucleic acids research · 2026Article
- Article
- Assembly and comparative analysis of the complete multichromosomal mitochondrial genome of an endangered orchid species,Frontiers in plant science · 2026Article
- Metal- and polymer-assisted SEM imaging of protein-bound DNA molecules: a protocol.Biology methods & protocols · 2026Review
- The Complete Mitochondrial Genome ofGenes · 2025Article
- A record-setting mitogenome in the holoparasitic plant Balanophora yakushimensis accompanied by exceptional loss of organellar DNA repair and recombination genes.BMC biology · 2025Article
- Article
- Heterologous Gene Expression in Chlamydomonas reinhardtii Chloroplast by Heterologous Promoters and Terminators, Intercistronic Expression Elements and Minichromosome.Microbial biotechnology · 2024Article
- Cytoplasmic genomes of Jasminum sambac reveal divergent sub-mitogenomic conformations and a large nuclear chloroplast-derived insertion.BMC plant biology · 2024Article
- Evolution and maintenance of mtDNA gene content across eukaryotes.The Biochemical journal · 2024Review
- Scanning Electron Microscopy Imaging of Large DNA Molecules Using a Metal-Free Electro-Stain Composed of DNA-Binding Proteins and Synthetic Polymers.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Mitogenome features and phylogenetic analysis of red algae,Journal of genetics · 2024Article
- Complete Mitogenome Sequencing, Annotation, and Phylogeny ofLife (Basel, Switzerland) · 2023Article
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Authors and funding
10 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Eukaryotic organelle genomes are generally of conserved size and gene content within phylogenetic groups. However, significant variation in genome structure may occur. Here, we report that the Stylonematophyceae red algae contain multipartite circular mitochondrial genomes (i.e., minicircles) which encode one or two genes bounded by a specific cassette and a conserved constant region. These minicircles are visualized using fluorescence microscope and scanning electron microscope, proving the circularity. Mitochondrial gene sets are reduced in these highly divergent mitogenomes. Newly generated chromosome-level nuclear genome assembly of Rhodosorus marinus reveals that most mitochondrial ribosomal subunit genes are transferred to the nuclear genome. Hetero-concatemers that resulted from recombination between minicircles and unique gene inventory that is responsible for mitochondrial genome stability may explain how the transition from typical mitochondrial genome to minicircles occurs. Our results offer inspiration on minicircular organelle genome formation and highlight an extreme case of mitochondrial gene inventory reduction.
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