ArticleBMC genomics2006
Comparative analysis of dinoflagellate chloroplast genomes reveals rRNA and tRNA genes.
Article in BMC genomics, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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19 citing papers in PubMed.
- Reduced plastid genomes of colorless facultative pathogens Prototheca (Chlorophyta) are retained for membrane transport genes.BMC biology · 2024Article
- Interpreting the complexities of the plastid genome in dinoflagellates: a mini-review of recent advances.Plant molecular biology · 2024Review
- Comparative Analysis of Chloroplast Genomes inGenes · 2024Article
- Novel Plastid Genome Characteristics in Fugacium kawagutii and the Trend of Accelerated Evolution of Plastid Proteins in Dinoflagellates.Genome biology and evolution · 2024Article
- Feeding diverse prey as an excellent strategy of mixotrophic dinoflagellates for global dominance.Science advances · 2021Article
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- Plastid Transcript Editing across Dinoflagellate Lineages Shows Lineage-Specific Application but Conserved Trends.Genome biology and evolution · 2018Article
- Transcripts in the Plasmodium Apicoplast Undergo Cleavage at tRNAs and Editing, and Include Antisense Sequences.Protist · 2016Article
- Genomic perspectives on the birth and spread of plastids.Proceedings of the National Academy of Sciences of the United States of America · 2015Article
- Massive gene transfer and extensive RNA editing of a symbiotic dinoflagellate plastid genome.Genome biology and evolution · 2014Article
- Polyuridylylation and processing of transcripts from multiple gene minicircles in chloroplasts of the dinoflagellate Amphidinium carterae.Plant molecular biology · 2012Article
- Rampant gene loss in the underground orchid Rhizanthella gardneri highlights evolutionary constraints on plastid genomes.Molecular biology and evolution · 2011Article
- Genome evolution of a tertiary dinoflagellate plastid.PloS one · 2011Article
- The apicomplexan plastid and its evolution.Cellular and molecular life sciences : CMLS · 2011Review
- Long transcripts from dinoflagellate chloroplast minicircles suggest "rolling circle" transcription.The Journal of biological chemistry · 2010Article
- Identification of transcribed and persistent variants of the psbA gene carried by plastid minicircles in a dinoflagellate.Current genetics · 2009Article
- The replication of plastid minicircles involves rolling circle intermediates.Nucleic acids research · 2009Article
- The origin of plastids.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2008Article
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5 authors.
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Abstract
backgroundPeridinin-containing dinoflagellates have a highly reduced chloroplast genome, which is unlike that found in other chloroplast containing organisms. Genome reduction appears to be the result of extensive transfer of genes to the nuclear genome. Unusually the genes believed to be remaining in the chloroplast genome are found on small DNA 'minicircles'. In this study we present a comparison of sets of minicircle sequences from three dinoflagellate species.
resultsPCR was used to amplify several minicircles from Amphidinium carterae so that a homologous set of gene-containing minicircles was available for Amphidinium carterae and Amphidinium operculatum, two apparently closely related peridinin-containing dinoflagellates. We compared the sequences of these minicircles to determine the content and characteristics of their chloroplast genomes. We also made comparisons with minicircles which had been obtained from Heterocapsa triquetra, another peridinin-containing dinoflagellate. These in silico comparisons have revealed several genetic features which were not apparent in single species analyses. The features include further protein coding genes, unusual rRNA genes, which we show are transcribed, and the first examples of tRNA genes from peridinin-containing dinoflagellate chloroplast genomes.
conclusionComparative analysis of minicircle sequences has allowed us to identify previously unrecognised features of dinoflagellate chloroplast genomes, including additional protein and RNA genes. The chloroplast rRNA gene sequences are radically different from those in other organisms, and in many ways resemble the rRNA genes found in some highly reduced mitochondrial genomes. The retention of certain tRNA genes in the dinoflagellate chloroplast genome has important implications for models of chloroplast-mitochondrion interaction.
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