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List of works by Per J Hansen

A-, B- and C-type prymnesins are clade specific compounds and chemotaxonomic markers in Prymnesium parvum

scientific article published on 28 November 2018

Accumulation, transformation and breakdown of DSP toxins from the toxic dinoflagellate Dinophysis acuta in blue mussels, Mytilus edulis.

scientific article published in April 2016

Carbon and nitrogen uptake through photosynthesis and feeding by photosymbiotic Acantharia

scientific article published in 2023

Chemical Diversity, Origin, and Analysis of Phycotoxins

scientific article published on 22 February 2016

Chemodiversity of Ladder-Frame Prymnesin Polyethers in Prymnesium parvum

scientific article published on 23 August 2016

Correction: Limits to the cellular control of sequestered cryptophyte prey in the marine ciliate Mesodinium rubrum

scientific article published in 2021

Cutting the canopy to defeat the "selfish gene"; conflicting selection pressures for the integration of phototrophy in mixotrophic protists

scientific article published on 27 September 2013

Defining Planktonic Protist Functional Groups on Mechanisms for Energy and Nutrient Acquisition: Incorporation of Diverse Mixotrophic Strategies

scientific article

Development of a LC-MS/MS method for the quantification of goniodomins A and B and its application to Alexandrium pseudogonyaulax strains and plankton field samples of Danish coastal waters

scientific article published on 12 October 2018

Development of an Indirect Quantitation Method to Assess Ichthyotoxic B-Type Prymnesins from Prymnesium parvum

scientific article published on 04 May 2019

Distinctly different behavioral responses of a copepod, Temora longicornis, to different strains of toxic dinoflagellates, Alexandrium spp.

scientific article published on 15 December 2016

Distributions of three Alexandrium species and their toxins across a salinity gradient suggest an increasing impact of GDA producing A. pseudogonyaulax in shallow brackish waters of Northern Europe

scientific article published on 28 June 2019

Does irradiance influence the tolerance of marine phytoplankton to high pH?

scholarly article by Lasse Tor Nielsen et al published December 2007 in Marine Biology Research

Dynamic CO2 and pH levels in coastal, estuarine, and inland waters: Theoretical and observed effects on harmful algal blooms

scientific article published on 06 April 2019

Dynamic Cluster Analysis: An Unbiased Method for Identifying A + 2 Element Containing Compounds in Liquid Chromatographic High-Resolution Time-of-Flight Mass Spectrometric Data

scientific article

Dynamics of Sequestered Cryptophyte Nuclei in Mesodinium rubrum during Starvation and Refeeding.

scientific article

Effects of irradiance and prey deprivation on growth, cell carbon and photosynthetic activity of the freshwater kleptoplastidic dinoflagellate Nusuttodinium (= Gymnodinium) aeruginosum (Dinophyceae).

scientific article published on August 2017

Effects of the DSP-toxic dinoflagellate Dinophysis acuta on clearance and respiration rate of the blue mussel, Mytilus edulis

scientific article published on 09 March 2020

Evolutionary transition towards permanent chloroplasts? - Division of kleptochloroplasts in starved cells of two species of Dinophysis (Dinophyceae).

scientific article

Functional ecology of aquatic phagotrophic protists - Concepts, limitations, and perspectives

scientific article published on 31 March 2016

Gill Transcriptomic Responses to Toxin-producing Alga <i>Prymnesium parvum</i> in Rainbow Trout

scientific article published on 08 December 2021

HPLC-HRMS Quantification of the Ichthyotoxin Karmitoxin from Karlodinium armiger

scientific article published on 31 August 2017

Ichthyotoxicity of the microalga Pseudochattonella farcimen under laboratory and field conditions in Danish waters

scientific article published in October 2015

Inorganic carbon acquisition in potentially toxic and non-toxic diatoms: the effect of pH-induced changes in seawater carbonate chemistry

scientific article published in May 2008

Inorganic carbon acquisition in red tide dinoflagellates

scientific article published in May 2006

Karmitoxin: An Amine-Containing Polyhydroxy-Polyene Toxin from the Marine Dinoflagellate Karlodinium armiger.

scientific article

Limits to the cellular control of sequestered cryptophyte prey in the marine ciliate Mesodinium rubrum

scientific article published on 23 November 2020

Loss of phototaxis and degeneration of an eyespot in long-term algal cultures: evidence from ultrastructure and behaviour in the dinoflagellate Kryptoperidinium foliaceum

scientific article published on 27 May 2013

Mass entrapment and lysis of Mesodinium rubrum cells in mucus threads observed in cultures with Dinophysis

scientific article published on 2 March 2016

Meeting report: Third European Congress of Protistology and 9th European Congress on Ciliate Biology, Helsingør, Denmark, July 26-30, 1999.

scientific article published in October 1999

Mesodinium rubrum: The symbiosis that wasn't

scientific article published on February 2017

Metabolic and physiological changes in Prymnesium parvum when grown under, and grazing on prey of, variable nitrogen:phosphorus stoichiometry

scientific article published on 8 February 2016

Misuse of the phytoplankton–zooplankton dichotomy: the need to assign organisms as mixotrophs within plankton functional types

article

Mixotrophic Phytoflagellate Bacterivory Field Measurements Strongly Biased by Standard Approaches: A Case Study

scientific article published on 26 July 2017

Mixotrophy in Chlorophytes and Haptophytes-Effect of Irradiance, Macronutrient, Micronutrient and Vitamin Limitation

scientific article published on 31 July 2018

Mixotrophy in the Marine Plankton

scientific article

Modeling succession of key resource-harvesting traits of mixotrophic plankton

scientific article published on 2 August 2016

Ocean acidification with (de)eutrophication will alter future phytoplankton growth and succession

scientific article published in April 2015

Oceanic protists with different forms of acquired phototrophy display contrasting biogeographies and abundance.

scientific article published in August 2017

Phagotrophic Mechanisms and Prey Selection in Free-living Dinoflagellates

scientific article published in 1999

Photoregulation in a Kleptochloroplastidic Dinoflagellate, Dinophysis acuta

scientific article

Prymnesium parvum revisited: Relationship between allelopathy, ichthyotoxicity, and chemical profiles in 5 strains

scientific article published on 20 October 2014

Respiratory Physiology of European Plaice (Pleuronectes platessa) Exposed to Prymnesium parvum

scientific article published on 28 May 2019

Sampling bias misrepresents the biogeographical significance of constitutive mixotrophs across global oceans

scientific article published in 2019

Studies on the genus Mesodinium I: ultrastructure and description of Mesodinium chamaeleon n. sp., a benthic marine species with green or red chloroplasts

scientific article

Studies on the genus Mesodinium II. Ultrastructural and molecular investigations of five marine species help clarifying the taxonomy

scientific article

Sublethal concentrations of ichthyotoxic alga Prymnesium parvum affect rainbow trout susceptibility to viral haemorrhagic septicaemia virus.

scientific article

The Cost of Toxicity in Microalgae: Direct Evidence From the Dinoflagellate Alexandrium

scientific article published on 22 May 2019

The Mixoplankton Database (MDB): Diversity of photo‐phago‐trophic plankton in form, function, and distribution across the global ocean

scientific article published in 2023

The bloom-forming ciliateMesodinium rubrumharbours a single permanent endosymbiont

scientific article published in 2006

The blue mussel Mytilus edulis is vulnerable to the toxic dinoflagellate Karlodinium armiger-Adult filtration is inhibited and several life stages killed.

scientific article

The dinoflagellates Pfiesteria shumwayae and Luciella masanensis cause fish kills in recirculation fish farms in Denmark

scholarly article by Øjvind Moestrup et al published February 2014 in Harmful Algae

The role of photosynthesis and food uptake for the growth of marine mixotrophic dinoflagellates.

scientific article published on 24 March 2011

The strengths and weaknesses of Live Fluorescently Labelled Algae (LFLA) to estimate herbivory in protozooplankton and mixoplankton

scientific article published in 2022

Using nuclear-encoded LSU and SSU rDNA sequences to identify the eukaryotic endosymbiont in Amphisolenia bidentata (Dinophyceae).

scientific article