ArticleJournal of phycology2020
Contrasting Mixotrophic Lifestyles Reveal Different Ecological Niches in Two Closely Related Marine Protists.
Article in Journal of phycology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Changes in photosynthesis and grazing facilitate growth of a mixotrophic protist under ocean acidification and warming.The New phytologist · 2026Article
- A multi-Omic resource for exploring microbial eukaryotes in the meromictic freshwater Lake Pavin.Scientific data · 2026Article
- Prolonged light exposure time enhances the photosynthetic investment in osmotrophicApplied and environmental microbiology · 2025Article
- Costs of photosynthesis and cellular remodeling in trophic transitions of the unicellular red alga Galdieria partita.Communications biology · 2025Article
- A multifunctional organelle coordinates phagocytosis and chlorophagy in a marine eukaryote phytoplankton Scyphosphaera apsteinii.The New phytologist · 2025Article
- Cellular heterogeneity in metabolism and associated microbiome of a non-model phytoflagellate.The ISME journal · 2025Article
- Latitude- and depth-driven divergence in protist trophic strategies revealed by a machine learning model.Frontiers in microbiology · 2025Article
- Variable responses to ocean acidification among mixotrophic protists with different lifestyles.ISME communications · 2025Article
- Predicting optimal mixotrophic metabolic strategies in the global ocean.Science advances · 2024Article
- Integrated overview of stramenopile ecology, taxonomy, and heterotrophic origin.The ISME journal · 2024Review
- Top-down structuring of freshwater bacterial communities by mixotrophic flagellates.ISME communications · 2023Article
- Low rates of bacterivory enhances phototrophy and competitive advantage for mixoplankton growing in oligotrophic waters.Scientific reports · 2023Article
- Trophic strategies explain the ocean niches of small eukaryotic phytoplankton.Proceedings. Biological sciences · 2023Article
- Evidence for evolutionary adaptation of mixotrophic nanoflagellates to warmer temperatures.Global change biology · 2022Article
- Protist Diversity and Metabolic Strategy in Freshwater Lakes Are Shaped by Trophic State and Watershed Land Use on a Continental Scale.mSystems · 2022Article
- Light-dependent niche differentiation in two mixotrophic bacterivores.Environmental microbiology reports · 2022Article
- Broad phylogenetic and functional diversity among mixotrophic consumers of Prochlorococcus.The ISME journal · 2022Article
- Seasonal and Geographical Transitions in Eukaryotic Phytoplankton Community Structure in the Atlantic and Pacific Oceans.Frontiers in microbiology · 2020Article
- Mixoplankton and mixotrophy: future research priorities.Journal of plankton researchReview
- Phytoplankton and particle size spectra indicate intense mixotrophic dinoflagellates grazing from summer to winter.Journal of plankton researchArticle
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Many marine microbial eukaryotes combine photosynthetic with phagotrophic nutrition, but incomplete understanding of such mixotrophic protists, their functional diversity, and underlying physiological mechanisms limits the assessment and modeling of their roles in present and future ocean ecosystems. We developed an experimental system to study responses of mixotrophic protists to availability of living prey and light, and used it to characterize contrasting physiological strategies in two stramenopiles in the genus Ochromonas. We show that oceanic isolate CCMP1393 is an obligate mixotroph, requiring both light and prey as complementary resources. Interdependence of photosynthesis and heterotrophy in CCMP1393 comprises a significant role of mitochondrial respiration in photosynthetic electron transport. In contrast, coastal isolate CCMP2951 is a facultative mixotroph that can substitute photosynthesis by phagotrophy and hence grow purely heterotrophically in darkness. In contrast to CCMP1393, CCMP2951 also exhibits a marked photoprotection response that integrates non-photochemical quenching and mitochondrial respiration as electron sink for photosynthetically produced reducing equivalents. Facultative mixotrophs similar to CCMP2951 might be well adapted to variable environments, while obligate mixotrophs similar to CCMP1393 appear capable of resource efficient growth in oligotrophic ocean environments. Thus, the responses of these phylogenetically close protists to the availability of different resources reveals niche differentiation that influences impacts in food webs and leads to opposing carbon cycle roles.
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