ArticleBMC genomics2014
The mitochondrial and chloroplast genomes of the haptophyte Chrysochromulina tobin contain unique repeat structures and gene profiles.
Article in BMC genomics, 2014. 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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Who cites it
19 citing papers in PubMed, 35 citations in OpenAlex.
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- Genome-resolved biogeography of Phaeocystales, cosmopolitan bloom-forming algae.Nature communications · 2025Article
- Plastid Genome Evolution of Two Colony-Forming BenthicInternational journal of molecular sciences · 2023Article
- Challenging the Importance of Plastid Genome Structure Conservation: New Insights From Euglenophytes.Molecular biology and evolution · 2022Article
- Tiara: deep learning-based classification system for eukaryotic sequences.Bioinformatics (Oxford, England) · 2022Article
- The complete mitochondrial genome ofFrontiers in microbiology · 2022Article
- Mitochondrial Genome Evolution in Pelagophyte Algae.Genome biology and evolution · 2021Article
- Large Differences in the HaptophyteFrontiers in microbiology · 2021Article
- OGDA: a comprehensive organelle genome database for algae.Database : the journal of biological databases and curation · 2020Article
- Recent advances in understanding mitochondrial genome diversity.F1000Research · 2020Review
- Comparative mitochondrial genomics of cryptophyte algae: gene shuffling and dynamic mobile genetic elements.BMC genomics · 2018Article
- Plastid Transcript Editing across Dinoflagellate Lineages Shows Lineage-Specific Application but Conserved Trends.Genome biology and evolution · 2018Article
- Plastid Genome of Dictyopteris divaricata (Dictyotales, Phaeophyceae): Understanding the Evolution of Plastid Genomes in Brown Algae.Marine biotechnology (New York, N.Y.) · 2017Article
- Origin and evolutionary history of freshwater Rhodophyta: further insights based on phylogenomic evidence.Scientific reports · 2017Article
- Divergent copies of the large inverted repeat in the chloroplast genomes of ulvophycean green algae.Scientific reports · 2017Article
- Diversity of transcripts and transcript processing forms in plastids of the dinoflagellate alga Karenia mikimotoi.Plant molecular biology · 2016Article
- Extensive horizontal gene transfer, duplication, and loss of chlorophyll synthesis genes in the algae.BMC evolutionary biology · 2015Article
- ChloroMitoSSRDB 2.00: more genomes, more repeats, unifying SSRs search patterns and on-the-fly repeat detection.Database : the journal of biological databases and curation · 2015Article
- Genome Sequence and Transcriptome Analyses of Chrysochromulina tobin: Metabolic Tools for Enhanced Algal Fitness in the Prominent Order Prymnesiales (Haptophyceae).PLoS genetics · 2015Article
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9 authors at 2 institutions in 1 country.
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Abstract
backgroundHaptophytes are widely and abundantly distributed in both marine and freshwater ecosystems. Few genomic analyses of representatives within this taxon have been reported, despite their early evolutionary origins and their prominent role in global carbon fixation.
resultsThe complete mitochondrial and chloroplast genome sequences of the haptophyte Chrysochromulina tobin (Prymnesiales) provide insight into the architecture and gene content of haptophyte organellar genomes. The mitochondrial genome (~34 kb) encodes 21 protein coding genes and contains a complex, 9 kb tandem repeat region. Similar to other haptophytes and rhodophytes, but not cryptophytes or stramenopiles, the mitochondrial genome has lost the nad7, nad9 and nad11 genes. The ~105 kb chloroplast genome encodes 112 protein coding genes, including ycf39 which has strong structural homology to NADP-binding nitrate transcriptional regulators; a divergent 'CheY-like' two-component response regulator (ycf55) and Tic/Toc (ycf60 and ycf80) membrane transporters. Notably, a zinc finger domain has been identified in the rpl36 ribosomal protein gene of all chloroplasts sequenced to date with the exception of haptophytes and cryptophytes--algae that have gained (via lateral gene transfer) an alternative rpl36 lacking the zinc finger motif. The two C. tobin chloroplast ribosomal RNA operon spacer regions differ in tRNA content. Additionally, each ribosomal operon contains multiple single nucleotide polymorphisms (SNPs)--a pattern observed in rhodophytes and cryptophytes, but few stramenopiles. Analysis of small (<200 bp) chloroplast encoded tandem and inverted repeats in C. tobin and 78 other algal chloroplast genomes show that repeat type, size and location are correlated with gene identity and taxonomic clade.
conclusionThe Chrysochromulina tobin organellar genomes provide new insight into organellar function and evolution. These are the first organellar genomes to be determined for the prymnesiales, a taxon that is present in both oceanic and freshwater systems and represents major primary photosynthetic producers and contributors to global ecosystem stability.
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