ArticleGenome biology and evolution2023
Worldwide Population Genomics Reveal Long-Term Stability of the Mitochondrial Genome Architecture in a Keystone Marine Plant.
Article in Genome biology and evolution, 2023. 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, 12 citations in OpenAlex.
- Assembly and comparative analysis of the complete mitochondrial genome of hexaploid oat (Avena sativa).BMC plant biology · 2026Article
- Decoding the mitogenome of rosemary (Salvia rosmarinus): insights into genome evolution, structural dynamics and prospects for mitochondrial engineering.BMC plant biology · 2025Article
- Evolutionary dynamics of mitochondrial genomes and intracellular transfers among diploid and allopolyploid cotton species.BMC biology · 2025Article
- Evolution and maintenance of mtDNA gene content across eukaryotes.The Biochemical journal · 2024Review
- Heteroplasmy Is Rare in Plant Mitochondria Compared with Plastids despite Similar Mutation Rates.Molecular biology and evolution · 2024Article
- Genomic insights into the clonal reproductiveFrontiers in plant science · 2024Article
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Authors and funding
3 authors at 2 institutions in 1 country.
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Abstract
Mitochondrial genomes (mitogenomes) of flowering plants are composed of multiple chromosomes. Recombination within and between the mitochondrial chromosomes may generate diverse DNA molecules termed isoforms. The isoform copy number and composition can be dynamic within and among individual plants due to uneven replication and homologous recombination. Nonetheless, despite their functional importance, the level of mitogenome conservation within species remains understudied. Whether the ontogenetic variation translates to evolution of mitogenome composition over generations is currently unknown. Here we show that the mitogenome composition of the seagrass Zostera marina is conserved among worldwide populations that diverged ca. 350,000 years ago. Using long-read sequencing, we characterized the Z. marina mitochondrial genome and inferred the repertoire of recombination-induced configurations. To characterize the mitochondrial genome architecture worldwide and study its evolution, we examined the mitogenome in Z. marina meristematic region sampled in 16 populations from the Pacific and Atlantic oceans. Our results reveal a striking similarity in the isoform relative copy number, indicating a high conservation of the mitogenome composition among distantly related populations and within the plant germline, despite a notable variability during individual ontogenesis. Our study supplies a link between observations of dynamic mitogenomes at the level of plant individuals and long-term mitochondrial evolution.
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