Science AI Journal
Environmental Science · Research topic

Open research questions in Marine Toxins and Detection Methods

174 gap statements mined from Marine Toxins and Detection Methods papers in our 7.9M-paper local library, which holds 554 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

Choosing where to publish on Marine Toxins and Detection Methods? See the ranked Earth Science journals.

What the literature leaves open

  • The need to understand the morphology and phylogeny of the species complex.

    A novel ribotype of Margalefidinium polykrikoides, South China Sea ribotype (V), caused the massive fish-killing dinoflagellate bloom off the west coast of Hainan Island, China in 2026 · 2026 · DOI

  • The lack of understanding of the species complex and its potential threats to tropical mariculture. The need to identify and characterize new lineages of Margalefidinium polykrikoides. The limited knowledge of the morphology and phylogeny of the species complex.

    A novel ribotype of Margalefidinium polykrikoides, South China Sea ribotype (V), caused the massive fish-killing dinoflagellate bloom off the west coast of Hainan Island, China in 2026 · 2026 · DOI

  • The study had to identify and characterize potentially toxic epiphytic Coolia and Ostreopsis species. The study had to overcome the challenge of limited knowledge of Coolia and Ostreopsis species in Mauritian waters. The study had to use specialized techniques like scanning electron microscopy to examine the morphology of the species.

    Morpho-Taxonomy and Molecular Characterization of Coolia canariensis S. Fraga and Ostreopsis ovata Fukuyo (Ostreopsidaceae, Dinophyceae) from Mauritius (Indian Ocean) Marine Coastal Waters · 2025 · DOI

  • The paper identifies a need for further research on the toxic effects of environmental domoic acid exposure on humans and marine wildlife. The review highlights the lack of understanding of the long-term effects of domoic acid exposure on humans and wildlife.

    The Toxic Effects of Environmental Domoic Acid Exposure on Humans and Marine Wildlife · 2025 · DOI

  • There are no formal fully validated methods available for testing implicated fish samples for ciguatoxins. The lack of commercially available reference standards for an appropriate range of CTX analogues is a significant challenge. The complexities associated with developing fit-for-purpose detection methods for ciguatera are also a challenge.

    First Confirmed Occurrence of Ciguatera Poisoning in the UK from Imported Pinjalo Snapper (Pinjalo pinjalo) · 2025 · DOI

  • The lack of laboratory services in the islands poses a challenge for future monitoring. Transportation times of samples from the islands can be delayed by bad weather.

    ScillyHAB: A Multi-Disciplinary Survey of Harmful Marine Phytoplankton and Shellfish Toxins in the Isles of Scilly: Combining Citizen Science with State-of-the-Art Monitoring in an Isolated UK Island Territory · 2025 · DOI

  • Gaps remain regarding chronic exposure and species-specific detoxification pathways. The toxic effects of OA on marine mammals remain poorly understood. There is a need for longitudinal investigations to evaluate the chronic and sublethal effects of OA.

    Diarrhetic Shellfish Poisoning Toxins: Current Insights into Toxicity, Mechanisms, and Ecological Impacts · 2025 · DOI

  • There is a lack of information on the effectiveness of analytical methods for nonpolar CTXs. The current methods are not efficient for detecting and quantifying CTXs in marine products. There is a need to improve the sample preparation protocols for CTXs.

    Optimization of the Extraction Protocol for Pacific Ciguatoxins from Marine Products Prior to Analysis Using the Neuroblastoma Cell-Based Assay · 2025 · DOI

  • While European legislation avoids the risk of acute poisoning, the toxicity associated with repeated dietary exposure to DSTs in low quantities remains incompletely characterized.

    Regular exposure to low dose of diarrheic shellfish toxins: Implications for the seafood consumer · 2026 · DOI

  • The increasing presence and limited understanding of its toxic effects on marine organisms and humans highlight the need for continued monitoring and further research into its ecological impacts.

    Time series analysis of the toxic dinoflagellate Alexandrium pseudogonyaulax across Northern European waters · 2026 · DOI

  • Recent evidence, although based on limited data, suggests an increasing presence across Northern European waters.

    Time series analysis of the toxic dinoflagellate Alexandrium pseudogonyaulax across Northern European waters · 2026 · DOI

  • Since cyst-like life-cycle stages have long been hypothesized to contribute critically to bloom dynamics, our results highlight the importance of further research on sediments, as this may hold the key to fully characterizing the life cycle of K.

    Optimizing DNA extraction and quantitative PCR protocols for the efficient and precise quantification of the toxic dinoflagellate Karenia brevis in water and marine sediments · 2026 · DOI

  • Despite their ecological relevance, the interactions between algae and parasites, and the modulation of algal toxins during cell infection at varying salinity, remain poorly understood.

    The parasite Parvilucifera infectans kills the harmful alga Alexandrium minutum under different salinities and disrupts PSP toxin production · 2026 · DOI

  • While it has long been recognized that these blooms cause annual outbreaks of shellfish toxicity each spring and summer, little is known about other pathways for PSP toxins in the marine food web.

    The occurrence of paralytic shellfish toxins in invertebrates, forage fishes and predatory fishes across southern Alaska · 2026 · DOI

  • Most confirmed toxic dinoflagellates are photosynthetic or mixotrophic; robust cases in purely heterotrophic taxa are lacking.

    Why do some dinoflagellates produce toxins, whereas ciliates rarely do? · 2025 · DOI

  • Harmful algae are present in the coastal waters of British Columbia, Canada yet little is known about the spatial and temporal distributions of the biotoxins produced by these organisms.

    Seasonal monitoring of dissolved and particulate algal biotoxins in the northern Salish Sea using high performance liquid chromatography and tandem mass spectrometry · 2025 · DOI

  • However, toxicity has mainly been assessed through bioassay and the effect of abiotic factors on prymnesin production is lacking.

    Intraspecific differences in the effects of salinity and light on growth and prymnesin cell quota in Prymnesium parvum · 2025 · DOI

  • Harmful algal blooms (HAB) of various toxic microalgae negatively affect the Black Sea but there is limited data on the sources of phycotoxins in this area.

    Morphological, molecular and toxinological characterization of potentially toxigenic microalgal strains from the western Black Sea · 2025 · DOI

  • High data variability based on several potential sources including inter-software inconsistencies, data transfer errors, and improper data processing (calculation errors), or handling (dealing with missing, corrupted, or inconsistent data), have been cited as major challenges to the method.

    Simplifying marine biotoxin data analysis: Advancing the Neuro-2a cell-based assay using R · 2025 · DOI

  • Although these dinoflagellates are widespread across tropical and subtropical marine ecosystems, their ecology, taxonomy, and environmental drivers remain poorly understood in many regions, limiting the capacity to monitor and predict ciguatera risk.

    Taxonomy, distribution, and habitat associations of Gambierdiscus from coastal waters off Queensland, Australia · 2025 · DOI

  • Toxicities and toxin profiles of fish from the Indian Ocean are poorly documented.

    Toxicity and toxin profile of La Réunion (Indian Ocean) fish containing CTX-like compounds · 2025 · DOI

  • Microscopic observations did not allow us to identify some taxa to species level, - no seagrasses were found in the sampling sites, - the study was limited…

    Epibenthic Dinoflagellates in the Southern Gulf of California: Species Composition and Abundance · 2025 · DOI

  • Development of formal fully validated methods for testing implicated fish samples, - Verification of the toxicity equivalence between CTX-3C and CTX-1B, - Monitoring of these emerging toxins in reef fish…

    First Confirmed Occurrence of Ciguatera Poisoning in the UK from Imported Pinjalo Snapper (Pinjalo pinjalo) · 2025 · DOI

  • Further efforts are needed to improve the analytical methods used for CTXs, - Research is required to reduce signal suppression in LC-MS/MS analysis, - Studies should focus on the optimization of toxin detection in marine products, - Investigation of the matrix effects in the analysis of marine product samples…

    Optimization of the Extraction Protocol for Pacific Ciguatoxins from Marine Products Prior to Analysis Using the Neuroblastoma Cell-Based Assay · 2025 · DOI

  • The paper identifies a gap in understanding the factors that govern toxicity in Amphidinium strains. The study highlights the complexity of Amphidinium bioactivity, emphasizing the influence of strain-specific factors and other bioactive compounds.

    High Inter- and Intraspecific Variability in Amphidinol Content and Toxicity of Amphidinium Strains · 2025 · DOI

Most-cited papers in Marine Toxins and Detection Methods

Most recent work

Find a gap in your own Marine Toxins and Detection Methods sub-topic

This page shows what the Marine Toxins and Detection Methods literature already flags as unresolved. To narrow it to your specific question, search the Research Gap Finder: the search is free with a free account and lists the papers closest to your topic first. Unlocking that topic (50 credits, charged once) fills the comparison table from our 7.9M-paper local library and writes the gaps from its rows.

Open the Research Gap Finder →

Related topics in Environmental Science

Microplastics and Plastic Pollution
2,390 open questions
Land Use and Ecosystem Services
1,951 open questions
Climate variability and models
1,783 open questions
Remote Sensing in Agriculture
1,559 open questions
Air Quality and Health Impacts
1,382 open questions
Urban Green Space and Health
1,306 open questions
Plant Water Relations and Carbon Dynamics
1,190 open questions
Ecology and Vegetation Dynamics Studies
1,108 open questions
Open questions raised by papers listed on this page include: (1) The lack of understanding of the species complex and its potential threats to tropical mariculture (“A novel ribotype of Margalefidinium polykrikoides, South China Sea ribotype…”, 2026); (2) While European legislation avoids the risk of acute poisoning, the toxicity associated with repeated dietary exposure to DSTs in low quantities remains incompletely characterized (“Regular exposure to low dose of diarrheic shellfish toxins: Implications for…”, 2026); (3) Despite their ecological relevance, the interactions between algae and parasites, and the modulation of algal toxins during cell infection at varying salinity, remain poorly understood (“The parasite Parvilucifera infectans kills the harmful alga Alexandrium minutum…”, 2026); (4) While it has long been recognized that these blooms cause annual outbreaks of shellfish toxicity each spring and summer, little is known about other pathways for PSP toxins in the marine food web (“The occurrence of paralytic shellfish toxins in invertebrates, forage fishes…”, 2026); (5) The review highlights the lack of understanding of the long-term effects of domoic acid exposure on humans and wildlife (“The Toxic Effects of Environmental Domoic Acid Exposure on Humans and Marine…”, 2025). 174 gap statements have been mined from Marine Toxins and Detection Methods papers in our 7.9M-paper local library, which holds 554 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

Tools for your next paper

Gaps & Literature SearchFind open questions in any field — 1,100,000+ open gaps mined from our own library.Pre-CheckIs your paper ready? Acceptance odds for top, mid and open/emerging journals, in seconds.Journal FinderA ranked shortlist of target journals from a 17,500-venue index.Duplicate Publication CheckerCheck for prior publication across 7 sources and our local library.Citation GeneratorFreeA DOI or title → APA, MLA, Vancouver, Chicago, BibTeX, RIS. No signup.Graphical Abstract MakerFreeTurn your findings into a colorblind-safe graphical abstract.

How Pre-Check worksHow AI Review works

Compare the category — Honest roundups of the AI research tools, ours listed alongside the alternatives.

Command palette

Jump anywhere, run any action.