Temperature Effects Explain Continental Scale Distribution of Cyanobacterial Toxins

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dc.authorid0000-0002-0982-727Xen_US
dc.contributor.authorMantzouki, Evanthia
dc.contributor.authorLurling, Miquel
dc.contributor.authorFastner, Jutta
dc.contributor.authorDomis, Lisette de Senerpont
dc.contributor.authorWilk-Wozniak, Elzbieta
dc.contributor.authorYılmaz, Mete
dc.date.accessioned2021-03-20T20:13:18Z
dc.date.available2021-03-20T20:13:18Z
dc.date.issued2018
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, Biyomühendislik Bölümüen_US
dc.description.abstractInsight into how environmental change determines the production and distribution of cyanobacterial toxins is necessary for risk assessment. Management guidelines currently focus on hepatotoxins (microcystins). Increasing attention is given to other classes, such as neurotoxins (e.g., anatoxin-a) and cytotoxins (e.g., cylindrospermopsin) due to their potency. Most studies examine the relationship between individual toxin variants and environmental factors, such as nutrients, temperature and light. In summer 2015, we collected samples across Europe to investigate the effect of nutrient and temperature gradients on the variability of toxin production at a continental scale. Direct and indirect effects of temperature were the main drivers of the spatial distribution in the toxins produced by the cyanobacterial community, the toxin concentrations and toxin quota. Generalized linear models showed that a Toxin Diversity Index (TDI) increased with latitude, while it decreased with water stability. Increases in TDI were explained through a significant increase in toxin variants such as MC-YR, anatoxin and cylindrospermopsin, accompanied by a decreasing presence of MC-LR. While global warming continues, the direct and indirect effects of increased lake temperatures will drive changes in the distribution of cyanobacterial toxins in Europe, potentially promoting selection of a few highly toxic species or strains.en_US
dc.description.sponsorshipSwiss State Secretariat for Education, Research and Innovation (SERI); University of Genevaen_US
dc.description.sponsorshipThe authors acknowledge COST Action ES 1105 "CYANOCOST-Cyanobacterial blooms and toxins in water resources: Occurrence impacts and management" and COST Action ES 1201 "NETLAKE-Networking Lake Observatories in Europe" for contributing to this study through networking and knowledge sharing with European experts in the field. Evanthia Mantzouki was supported by a grant from the Swiss State Secretariat for Education, Research and Innovation (SERI) to Bas Ibelings and by supplementary funding from the University of Geneva. We thank Clare Ahnlund, Ena Suarez and Irene Gallego for helping out with the Swiss survey. We thank Wendy Beekman and Els J. Faassen for the nutrient and toxin analysis.en_US
dc.identifier.doi10.3390/toxins10040156en_US
dc.identifier.issn2072-6651
dc.identifier.issue4en_US
dc.identifier.pmid29652856en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttp://doi.org/10.3390/toxins10040156
dc.identifier.urihttps://hdl.handle.net/20.500.12885/836
dc.identifier.volume10en_US
dc.identifier.wosWOS:000435183700027en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorYılmaz, Mete
dc.language.isoenen_US
dc.publisherMdpien_US
dc.relation.ispartofToxinsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectmicrocystinen_US
dc.subjectanatoxinen_US
dc.subjectcylindrospermopsinen_US
dc.subjecttemperatureen_US
dc.subjectdirect effectsen_US
dc.subjectindirect effectsen_US
dc.subjectspatial distributionen_US
dc.subjectEuropean Multi Lake Surveyen_US
dc.titleTemperature Effects Explain Continental Scale Distribution of Cyanobacterial Toxinsen_US
dc.typeArticleen_US

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