OOIR: Observatory of International Research

Papers

(The TQCC of Harmful Algae is 10. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
Allelochemicals determine competition and grazing control in Alexandrium catenella	135
The Occurrence of Karenia species in mid-Atlantic coastal waters: Data from the Delmarva Peninsula, USA	88
A non-microcystin-producing Microcystis wesenbergii strain alters fish food intake by disturbing neuro-endocrine appetite regulation	88
The queen scallop Aequipecten opercularis: A slow domoic acid depurator?	68
Editorial Board	60
Optimal growth conditions of the haptophyte Chrysochromulina leadbeateri causing massive fish mortality in Northern Norway	59
Sub-tropical benthic/epiphytic dinoflagellates of Aotearoa New Zealand and Rangitāhua Kermadec Islands	45
Gambierdiscus species diversity and community structure in St. Thomas, USVI and the Florida Keys, USA	45
Intraspecific genetic diversity with unrestricted gene flow in the domoic acid-producing diatom Nitzschia navis-varingica (Bacillariophyceae) from the Western Pacific	45
Using qPCR and high-resolution sensor data to model a multi-species Pseudo-nitzschia (Bacillariophyceae) bloom in southeastern Australia	45
Perturbations in a pelagic food web during the NE pacific large marine heatwave and persistent harmful diatom blooms	44
Novel insights into toxin changes associated with the growth of Alexandrium pacificum: Revealing active toxin-secretion ability and toxin cell quota variation	43
Annual variation in domoic acid in phytoplankton and shellfish samples from Daya Bay of the South China Sea	42
Marine phycotoxin levels in shellfish—14 years of data gathered along the Italian coast	40
Editorial Board	40
Effects of nitrate on the saxitoxins biosynthesis revealed by sxt genes in the toxic dinoflagellate Alexandrium pacificum (group IV)	37
Clearance rates and toxin accumulation by North Atlantic bivalves during harmful algal blooms caused by the dinoflagellate, Dinophysis acuminata, in NY, USA, estuaries	36
Genomic characterization of coexisting anatoxin-producing and non-toxigenic Microcoleus subspecies in benthic mats from the Wolastoq, New Brunswick, Canada	36
On the conditions promoting Pseudo-nitzschia spp. blooms in the eastern English Channel and southern North Sea	35
Benthic harmful microalgae and their impacts in South America	34
Application of clay minerals to remove extracellular ichthyotoxins produced by the dinoflagellates Karlodinium veneficum and Karenia mikimotoi	32
Domoic acid in Canadian Pacific waters, from 2016 to 2021, and relationships with physical and chemical conditions	31
Cyanobacterial bloom monitoring and assessment in Latin America	30
Phytoplankton community and HAB species in the South China Sea detected by morphological and metabarcoding approaches	30
Temporal bloom dynamics of the marine dinoflagellate Tripos furca in the Penang Strait	28

Environmental controls of harmful cyanobacterial blooms in Chinese inland waters	28
Multi-year dynamics of harmful algae in Disko Bay, West Greenland	27
Accumulation and depuration of 4,5-dihydro-KmTx2 from Karlodinium veneficum in the bivalves, Mercenaria mercenaria and Sinonovacula constricta	26
From bloom to tap: Connecting harmful algal bloom indicators in source water to cyanotoxin presence in treated drinking water	26
A novel strategy of bloom forming cyanobacteria Microcystis sp. in response to phosphorus deficiency: Using non-phosphorus lipids substitute phospholipids	25
Morpho-phylogenetic and toxicological characterisation of Pseudo-nitzschia multiseries from the Sea of Marmara (Türkiye)	25
Transcriptomic comparison unveils saxitoxin biosynthesis genes in the marine dinoflagellate Gymnodinium catenatum	25
Characterizing carotenoids in cyanobacterial cultures – Opportunities and implications for paleolimnological studies	24
Daily variations of Ostreopsis cf. ovata abundances in NW Mediterranean Sea	24
Alexandrium catenella (Group I) and A. pacificum (Group IV) cyst germination, distribution, and toxicity in Jinhae-Masan Bay, Korea	23
A deep learning method for cyanobacterial harmful algae blooms prediction in Taihu Lake, China	23
Photoacclimation and photophysiology of four species of toxigenic Dinophysis	23
Constructed wetland mesocosms improve the biodegradation of microcystin-LR and cylindrospermopsin by indigenous bacterial consortia	23
Editorial Board	22
Colonial morphology weakens the response of different inorganic carbon uptake systems to CO2 levels in Microcystis population	22
Molecular investigation of harmful cyanobacteria reveals hidden risks and niche partitioning in Kenyan Lakes	21
Environmental-level antibiotics disrupt Microcystis stoichiometry: An overlooked risk in the context of cyanobacterial harmful algal blooms	21
Editorial Board	21
Comparative genomic and phylogenetic analysis of mitochondrial genomes of the Pseudo-nitzschia HAB species	20
Nutrient limitation and seasonality associated with phytoplankton communities and cyanotoxin production in a large, hypereutrophic lake	20
Insights into the differential removal of various red tide organisms using modified clay: Influence of biocellular properties and mechanical interactions	20
Spatial and biological oceanographic insights into the massive fish-killing bloom of the haptophyte Chrysochromulina leadbeateri in northern Norway	20
Monitoring cyanobacteria blooms with complementary measurements – a similar story told using high-throughput imaging, optical sensors, light microscopy, and satellite-based methods	19
Co-occurrence of Alexandrium minutum (Dinophyceae) ribotypes from the Chinese and Malaysian coastal waters and their toxin production	19
Discovery of a series of portimine-A fatty acid esters in mussels	19
Description of two new species Chattonella tenuiplastida sp. nov. and Chattonella malayana sp. nov. (Raphidophyceae) from South China Sea, with a report of wild fish mortality	19
Compounds to mitigate cyanobacterial blooms affect growth and toxicity of Microcystis aeruginosa	18
Playing hide and seek: Distribution with depth of potentially harmful epibenthic dinoflagellates of Southern El Hierro Island, Canary Islands (NE Atlantic)	18
Relationships between blooms of Karenia brevis and hypoxia across the West Florida Shelf	18
Connections and clustering of Paralytic Shellfish Toxin events among coastal embayments in an archipelago partly mediated by advection	18
The relationship between salmon (Salmo salar) farming and cell abundance of harmful algal taxa	17
The cytotoxicity of the haptophyte Chrysochromulina leadbeateri towards the Atlantic salmon gill cell line ASG-10	17
Identification of epigenetic histone modifications and analysis of histone lysine methyltransferases in Alexandrium pacificum	17
Damage to survival, development, and growth of Japanese flounder (Paralichthys olivaceus) at early developmental stages by Ulva prolifera decay	17
The Ciliate Euplotes balteatus Exhibits Removal Capacity upon the Dinoflagellates Karenia mikimotoi and Prorocentrum shikokuense	17
Insights into the nature of ichthyotoxins from the Chrysochromulina leadbeateri blooms in Northern Norwegian fjords	17
Microcystin congeners in Lake Erie follow the seasonal pattern of nitrogen availability	17
Grazers modify the dinoflagellate relationship between toxin production and cell growth	16
Exceptional landscape-wide cyanobacteria bloom in Okavango Delta, Botswana in 2020 coincided with a mass elephant die-off event	16
Diversity of the holopelagic Sargassum microbiome from the Great Atlantic Sargassum Belt to coastal stranding locations	16
Socioeconomic disruptions of harmful algal blooms in indigenous communities: The case of Quinault Indian nation	16
Extracellular polymeric substances enhanced photosynthesis over respiration in Microcystis aeruginosa	16
Mixotrophy in the bloom-forming genus Phaeocystis and other haptophytes	16
Interaction among spring phytoplankton succession, water discharge patterns, and hydrogen peroxide dynamics in the Caloosahatchee River in southwest Florida	16
Are little brown bats (Myotis lucifugus) impacted by dietary exposure to microcystin?✰	15
Temporal and spatial variation in the efficiency of a Floc & Sink technique for controlling cyanobacterial blooms in a tropical reservoir	15
Monitoring of toxic cyanobacterial blooms in Lalla Takerkoust reservoir by satellite imagery and microcystin transfer to surrounding farms	15
Editorial Board	15
Exposure of blue crab (Callinectes sapidus) to modified clay treatment of Karenia brevis as a bloom control strategy	15
Drivers of a window of opportunity for Dinophysis acuminata in a mussel seed-bank hotspot in Northwestern Patagonia	15

Thecal plate morphology, molecular phylogeny, and toxin analyses reveal two novel species of Alexandrium (Dinophyceae) and their potential for toxin production	15
Nutrient availability in a freshwater-to-marine continuum: Cyanobacterial blooms along the Lake Okeechobee Waterway	15
Selection and characterization of plant-derived alkaloids with strong antialgal inhibition: growth inhibition selectivity and inhibitory mechanism	14
Editorial Board	14
Physical drivers of Noctiluca scintillans (Dinophyceae) blooms outbreak in the northern Taiwan Strait: A numerical study	14
Transcriptomic responses to phosphorus in an invasive cyanobacterium, Raphidiopsis raciborskii: Implications for nutrient management	14
Enhanced eDNA monitoring for detection of viable harmful algal bloom species using propidium monoazide	14
Editorial Board	14
The value of toxin profiles in the chemotaxonomic analysis of paralytic shellfish toxins in determining the relationship between British Alexandrium spp. and experimentally contaminated Mytilus sp.	14
Growth and anatoxin-a production of Microcoleus (Cyanobacteria) strains from streams in California, USA	14
Morphology, phylogeny, and host range of the novel early-diverging oomycete Sirolpidium dinoletiferum sp. nov. parasitizing marine dinoflagellates	14
The benthic toxic dinoflagellate Ostreopsis cf. ovata in the NW Mediterranean Sea: Relationship between sea surface temperature and bloom phenology	14
Co-occurrence of freshwater and marine phycotoxins: A record of microcystins and domoic acid in Bogue Sound, North Carolina (2015 to 2020)	13
Species and genetic diversity of notorious dinoflagellates Pfiesteria piscicida, Luciella masanensis, and relatives in marine sediments of China	13
Toxicity and growth characteristics of epiphytic dinoflagellate Gambierdiscus silvae in Japan	13
First report of PST-producing Microseira wollei from China reveals its novel toxin profile	13
Alleviation of H2O2 toxicity by extracellular catalases in the phycosphere of Microcystis aeruginosa	13
Multispecies mass mortality in the Beagle Channel associated with paralytic shellfish toxins	13
Light-driven differences in bacterial networks and organic matter decomposition: Insights from an analysis of the harmful cyanobacterium Microcystis aeruginosa PCC 7806	13
Six marine thecate Heterocapsa (Dinophyceae) from Malaysia, including the description of three novel species and their cytotoxicity potential	13
A critical review on operation and performance of source water control strategies for cyanobacterial blooms: Part I-chemical control methods	13
The new chytridiomycete Paradinomyces triforaminorum gen. et sp. nov. co-occurs with other parasitoids during a Kryptoperidinium foliaceum (Dinophyceae) bloom in the Baltic Sea	12
Editorial Board	12
Determining ecological interactions of key dinoflagellate species using an intensive metabarcoding approach in a semi-closed coastal ecosystem of South Korea	12
Mechanisms of harmful effects of Microcystis aeruginosa on a brackish water organism Moina mongolica based on physiological and transcriptomic responses	12
Harmful algae and climate change on the Canadian East Coast: Exploring occurrence predictions of Dinophysis acuminata, D. norvegica, and Pseudo-nitzschia seriata	12
Comparative study on the esterification of gymnodimine in different shellfish exposed to the dissolved toxin in seawater	12
Control of cyanobacterial blooms with iron addition can favor stress-tolerant toxic species	12
Corrigendum to “Environmental controls of harmful cyanobacterial blooms in Chinese inland waters”	12
Diversity and distribution of benthic dinoflagellates in Tonga include the potentially harmful genera Gambierdiscus and Fukuyoa	12
Mesocosm study of PAC-modified clay effects on Karenia brevis cells and toxins, chemical dynamics, and benthic invertebrate physiology	12
Editorial Board	12
Indole-3-acetic acid promotes growth in bloom-forming Microcystis via an antioxidant response	12
The phyto-bacterioplankton couple in a shallow freshwater ecosystem: Who leads the dance?	12
Microcystin aids in cold temperature acclimation: Differences between a toxic Microcystis wildtype and non-toxic mutant	12
Higher sensitivity to hydrogen peroxide and light stress conditions of the microcystin producer Microcystis aeruginosa sp PCC7806 compared to non-producer strains.	12
High molecular diversity of potentially harmful heterotrophic dinophytes in tropical shrimp aquaculture ponds reveals a new dinophyte Malayana penaeicida gen. et sp. nov. (Peridiniales, Dinophyceae)	11
Paralytic shellfish poisoning toxins in butter clams (Saxidomus gigantea) from the Kodiak Archipelago, Alaska.	11
Transoceanic ships as a source of alien dinoflagellate invasions of inland freshwater ecosystems	11
Seafood consumption during harmful algal blooms: The impact of information regarding safety and health	11
Fate of hepatotoxin microcystin during infection of cyanobacteria by fungal chytrid parasites	11
Review of harmful algal bloom effects on birds with implications for avian wildlife in the Chesapeake Bay region	11
Responses of the marine carbonate system to a green tide: A case study of an Ulva prolifera bloom in Qingdao coastal waters	11
Dissolved organic nitrogen, dinoflagellates and cyanobacteria in two eutrophic lakes: Analysis by inferential modelling	11
Mechanisms of Phaeocystis globosa blooms in the Beibu Gulf revealed by metatranscriptome analysis	11
Cryo-electron microscopy of extracellular vesicles associated with the marine toxic dinoflagellate Alexandrium minutum	11
Succession of diversity, assembly mechanisms, and activities of the microeukaryotic community throughout Scrippsiella acuminata (Dinophyceae) bloom phases	11
Strain variability in toxin profiles and toxic potential of Dinophysis fortii populations from Southwestern and Northern Japanese coastal waters	11
Blooms of the harmful algae Margalefidinium polykrikoides and Alexandrium monilatum alter the York River Estuary microbiome	11
Possible functions of CobW domain-containing (CBWD) genes in dinoflagellates using Karlodinium veneficum as a representative	11
Divergent responses of an armored and an unarmored dinoflagellate to ocean acidification	11
Indications that algal blooms may affect wild salmon in a similar way as farmed salmon	11
Severe cyanobacterial blooms in an Australian lake; causes and factors controlling succession patterns	11
Sublethal effects on the hard clam Mercenaria mercenaria after exposure to Aureococcus anophagefferens Chinese strain isolates	11
Responses of mussel farms to harmful algal bloom governance are shaped by the scale of production: Implications for equitable blue economy	11
Systematic exploration of transcriptional responses of interspecies interaction between Karenia mikimotoi and Prorocentrum shikokuense	11
Co-occurrence between key HAB species and particle-attached bacteria and substrate specificity of attached bacteria in the coastal ecosystem	10
Production of extracellular superoxide contributes to photosynthesis via elimination of reducing power and regeneration of NADP+ in the red-tide-forming raphidophyte Chattonella marina complex	10
Long-term changes in spatiotemporal distribution of Noctiluca scintillans in the southern North Sea	10
Toxins and Biliary Atresia: Is Karenia Brevis (Red Tide) The Culprit?	10
Effects of dinoflagellate Gymnodinium catenatum on swimming behavior and expression of heat shock protein (hsp) genes in the brine shrimp Artemia franciscana	10
Alexandrium on the Alaskan Beaufort Sea shelf: Impact of upwelling in a warming Arctic	10
A three-dimensional mixotrophic model of Karlodinium veneficum blooms for a eutrophic estuary	10
Effects of terrestrial dissolved organic matter on a bloom of the toxic cyanobacteria, Raphidiopsis raciborskii	10
Genetic detection of freshwater harmful algal blooms: A review focused on the use of environmental DNA (eDNA) in Microcystis aeruginosa and Prymnesium parvum	10
Evidence for the production of asexual resting cysts in a free-living species of Symbiodiniaceae (Dinophyceae)	10
Polyphyletic origin of saxitoxin biosynthesis genes in the marine dinoflagellate Alexandrium revealed by comparative transcriptomics	10
Identification of novel microcystins in algal extracts by a liquid chromatography–high-resolution mass spectrometry data analysis pipeline	10