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An aerobic eukaryotic parasite with functional mitochondria that likely lacks a mitochondrial genome.
Sci Adv. 2019 Apr;5(4):eaav1110
Authors: John U, Lu Y, Wohlrab S, Groth M, Janouškovec J, Kohli…
Category: Dinoflagellate genomics
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An aerobic eukaryotic parasite with functional mitochondria that likely lacks a mitochondrial genome.
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Genome Evolution of Coral Reef Symbionts as Intracellular Residents.
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Coral reef…
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Rapid and sensitive detection method for Karlodinium veneficum by recombinase polymerase amplification coupled with lateral flow dipstick.
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Colorimetric DNA-based assay for the specific detection and quantification of Ostreopsis cf. ovata and Ostreopsis cf. siamensis in the marine environment.
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Subcellular Compartments Interplay for Carbon and Nitrogen Allocation in Chromera velia and Vitrella brassicaformis.
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Sulfur metabolites that facilitate oceanic phytoplankton-bacteria carbon flux.
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Single-cell genomics unveiled a cryptic cyanobacterial lineage with a worldwide distribution hidden by a dinoflagellate host.
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Dec 10
Diversity and Divergence of Dinofagellate Histone Proteins.
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Diversity and Divergence of Dinofagellate Histone Proteins.
G3 (Bethesda). 2015 Dec 8;
Authors: Marinov GK, Lynch M
Abstract
Histone proteins and the nucleosomal organization of chromatin are near-universal eukaroytic features, with the exception of dinoflagellates. Previous studies have suggested that histones do not play a major role in the packaging of dinoflagellate genomes, although several genomic and transcriptomic surveys have detected a full set of core histone genes. Here, transcriptomic and genomic sequence data from multiple dinoflagellate lineages are analyzed, and the diversity of histone proteins and their variants characterized, with particular focus on their potential posttranslational modifications and the conservation of the histone code. In addition, the set of putative epigenetic mark readers and writers, chromatin remodelers and histone chaperones are examined. Dinoflagellates clearly express the most derived set of histones among all autonomous eukaryote nuclei, consistent with a combination of relaxation of sequence con-straints imposed by the histone code and the presence of numerous specialized histone variants. The histone code itself appears to have diverged significantly in some of its compo-nents, yet others are conserved, implying conservation of the associated biochemical processes. Specifically, and with major implications for the function of histones in dinoflagellates, the results presented here strongly suggest that transcription through nucleosomal arrays happens in dinoflagellates. Finally, the plausible roles of histones in dinoflagellate nuclei are discussed.
PMID: 26646152 [PubMed – as supplied by publisher]
Dec 09
Biosynthetic Studies of 13-Desmethylspirolide C Produced by Alexandrium ostenfeldii (= A. peruvianum): Rationalization of the Biosynthetic Pathway Following Incorporation of (13)C-Labeled Methionine and Application of the Odd-Even Rule of Methylation.
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Biosynthetic Studies of 13-Desmethylspirolide C Produced by Alexandrium ostenfeldii (= A. peruvianum): Rationalization of the Biosynthetic Pathway Following Incorporation of (13)C-Labeled Methionine and Application of the Odd…
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