ArticleCurrent genetics2006
The complete mitochondrial DNA sequence of the green alga Oltmannsiellopsis viridis: evolutionary trends of the mitochondrial genome in the Ulvophyceae.
Article in Current genetics, 2006. 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, 37 citations in OpenAlex.
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- Draft Plastid and Mitochondrial Genome Sequences from Antarctic Alga Prasiola crispa.Genome announcements · 2015Article
- The complete mitochondrial genome sequence of the green microalga Lobosphaera (Parietochloris) incisa reveals a new type of palindromic repetitive repeat.BMC genomics · 2015Article
- The complete chloroplast and mitochondrial genomes of the green macroalga Ulva sp. UNA00071828 (Ulvophyceae, Chlorophyta).PloS one · 2015Article
- Evolution of plant mitochondrial intron-encoded maturases: frequent lineage-specific loss and recurrent intracellular transfer to the nucleus.Journal of molecular evolution · 2013Article
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- Nucleotide diversity in the mitochondrial and nuclear compartments of Chlamydomonas reinhardtii: investigating the origins of genome architecture.BMC evolutionary biology · 2008Article
- An unexpectedly large and loosely packed mitochondrial genome in the charophycean green alga Chlorokybus atmophyticus.BMC genomics · 2007Article
- Mitochondrial genome sequence evolution in Chlamydomonas.Genetics · 2007Article
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5 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The mitochondrial genome displays a highly plastic architecture in the green algal division comprising the classes Prasinophyceae, Trebouxiophyceae, Ulvophyceae, and Chlorophyceae (Chlorophyta). The compact mitochondrial DNAs (mtDNAs) of Nephroselmis (Prasinophyceae) and Prototheca (Trebouxiophyceae) encode about 60 genes and have been ascribed an 'ancestral' pattern of evolution, whereas those of chlorophycean green algae are much more reduced in gene content and size. Although the mtDNA of the early-diverging ulvophyte Pseudendoclonium contains 57 conserved genes, it differs from 'ancestral' chlorophyte mtDNAs by its unusually large size (96 kb) and long intergenic spacers. To gain insights into the evolutionary trends of mtDNA in the Ulvophyceae, we have determined the complete mtDNA sequence of Oltmannsiellopsis viridis, an ulvophyte belonging to a distinct, early-diverging lineage. This 56,761 bp genome harbours 54 conserved genes, numerous repeated sequences, and only three introns. From our comparative analyses with Pseudendoclonium mtDNA, we infer that the mitochondrial genome of the last common ancestor of the two ulvophytes closely resembled that of the trebouxiophyte Prototheca in terms of gene content and gene density. Our results also provide strong evidence for the intracellular, interorganellar transfer of a group I intron and for two distinct events of intercellular, horizontal DNA transfer.
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