ArticleScientific reports2019
Genes functioned in kleptoplastids of Dinophysis are derived from haptophytes rather than from cryptophytes.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Transient molecular chimerism for exploiting xenogeneic organelles.Nature communications · 2026Article
- Taming the perils of photosynthesis by eukaryotes: constraints on endosymbiotic evolution in aquatic ecosystems.Communications biology · 2023Review
- Euglenozoan kleptoplasty illuminates the early evolution of photoendosymbiosis.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- The genome of the diatom Chaetoceros tenuissimus carries an ancient integrated fragment of an extant virus.Scientific reports · 2021Article
- Multiple integrated metabolic strategies allow foraminiferan protists to thrive in anoxic marine sediments.Science advances · 2021Article
- Retention of Prey Genetic Material by the Kleptoplastidic CiliateFrontiers in microbiology · 2021Article
- Transcriptome characterization of BPG axis and expression profiles of ovarian steroidogenesis-related genes in the Japanese sardine.BMC genomics · 2020Article
- Genomic Insights into Plastid Evolution.Genome biology and evolution · 2020Review
- Five Non-motile Dinotom Dinoflagellates of the GenusFrontiers in plant science · 2020Article
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4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Toxic dinoflagellates belonging to the genus Dinophysis acquire plastids indirectly from cryptophytes through the consumption of the ciliate Mesodinium rubrum. Dinophysis acuminata harbours three genes encoding plastid-related proteins, which are thought to have originated from fucoxanthin dinoflagellates, haptophytes and cryptophytes via lateral gene transfer (LGT). Here, we investigate the origin of these plastid proteins via RNA sequencing of species related to D. fortii. We identified 58 gene products involved in porphyrin, chlorophyll, isoprenoid and carotenoid biosyntheses as well as in photosynthesis. Phylogenetic analysis revealed that the genes associated with chlorophyll and carotenoid biosyntheses and photosynthesis originated from fucoxanthin dinoflagellates, haptophytes, chlorarachniophytes, cyanobacteria and cryptophytes. Furthermore, nine genes were laterally transferred from fucoxanthin dinoflagellates, whose plastids were derived from haptophytes. Notably, transcription levels of different plastid protein isoforms varied significantly. Based on these findings, we put forth a novel hypothesis regarding the evolution of Dinophysis plastids that ancestral Dinophysis species acquired plastids from haptophytes or fucoxanthin dinoflagellates, whereas LGT from cryptophytes occurred more recently. Therefore, the evolutionary convergence of genes following LGT may be unlikely in most cases.
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