ArticleISME communications2024
Role of Syndiniales parasites in depth-specific networks and carbon flux in the oligotrophic ocean.
Article in ISME communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 22 citations in OpenAlex.
- Environmental Gradients Shape the Distribution of Free-Living and Host-Associated Syndiniales Life Stages.Microbial ecology · 2026Article
- Microbial community dynamics over large spatial and environmental gradients in a subtropical ocean basin.Applied and environmental microbiology · 2026Article
- Major changes in micro-eukaryotic biodiversity of the abyssal ecosystem of the NE Atlantic: A comparison between 1996 and 2018.iScience · 2026Article
- Diet composition and environmental niche drive parasitic Syndiniales interactions with crustacean zooplankton.ISME communications · 2026Article
- Environmental DNA sampling workflow matters: testing different approaches on marine microbial assemblages in three coastal areas of Greece.Frontiers in microbiology · 2026Article
- Marine heatwaves modulate food webs and carbon transport processes.Nature communications · 2025Article
- Extracellular rRNA Profiling Reveals the Sinking and Cell Lysis Dynamics of Marine Microeukaryotes.Environmental microbiology · 2025Article
- Seasonal Transition in the Dominance of Photoautotrophic and Heterotrophic Protists in the Photic Layer of a Subtropical Marine Ecosystem.Environmental microbiology reports · 2025Article
- Nanopore Sequencing of Amoebophrya Species Reveals Novel Collection of Bacteria Putatively Associated With Karlodinium veneficum.Genome biology and evolution · 2025Article
- Article
- Spatial and temporal variation of Antarctic microbial interactions: a study around the west Antarctic Peninsula.Environmental microbiome · 2025Article
- Shallow Hydrothermal Fluids Shape Microbial Dynamics at the Tagoro Submarine Volcano (Canary Islands, Spain).Environmental microbiology · 2025Article
- The protist community of the oligotrophic waters of the Gulf of Mexico is distinctly shaped by depth-specific physicochemical conditions during the warm season.FEMS microbiology ecology · 2025Article
- Unveiling pelagic-benthic coupling associated with the biological carbon pump in the Fram Strait (Arctic Ocean).Nature communications · 2025Article
- High Protistan Parasite Occurrence During Fall in a Warm, Low Sea Ice Year in the Eastern Bering Sea.The Journal of eukaryotic microbiologyArticle
- Distinct, Depth-Stratified Communities of Heterotrophic, Mixotrophic, and Parasitic Dinoflagellates and Ciliates in the Subarctic Northeast Pacific Euphotic Zone.The Journal of eukaryotic microbiologyArticle
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Authors and funding
4 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Microbial associations that result in phytoplankton mortality are important for carbon transport in the ocean. This includes parasitism, which in microbial food webs is dominated by the marine alveolate group, Syndiniales. Parasites are expected to contribute to carbon recycling via host lysis; however, knowledge on host dynamics and correlation to carbon export remain unclear and limit the inclusion of parasitism in biogeochemical models. We analyzed a 4-year 18S rRNA gene metabarcoding dataset (2016-19), performing network analysis for 12 discrete depths (1-1000 m) to determine Syndiniales-host associations in the seasonally oligotrophic Sargasso Sea. Analogous water column and sediment trap data were included to define environmental drivers of Syndiniales and their correlation with particulate carbon flux (150 m). Syndiniales accounted for 48-74% of network edges, most often associated with Dinophyceae and Arthropoda (mainly copepods) at the surface and Rhizaria (Polycystinea, Acantharea, and RAD-B) in the aphotic zone. Syndiniales were the only eukaryote group to be significantly (and negatively) correlated with particulate carbon flux, indicating their contribution to flux attenuation via remineralization. Examination of Syndiniales amplicons revealed a range of depth patterns, including specific ecological niches and vertical connection among a subset (19%) of the community, the latter implying sinking of parasites (infected hosts or spores) on particles. Our findings elevate the critical role of Syndiniales in marine microbial systems and reveal their potential use as biomarkers for carbon export.
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