Weatherfish (Misgurnus fossilis) as a new species for toxicity testing?

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60076658%3A12520%2F17%3A43892139" target="_blank" >RIV/60076658:12520/17:43892139 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.sciencedirect.com/science/article/pii/S0166445X16303575" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0166445X16303575</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.aquatox.2016.12.006" target="_blank" >10.1016/j.aquatox.2016.12.006</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Weatherfish (Misgurnus fossilis) as a new species for toxicity testing?

Popis výsledku v původním jazyce

Selection of appropriate test species is a critical issue when assessing effects of environmental contam-ination on fish because the ecological relevance of commonly used test species might be restricted due to their exotic origin. In the present study, a European freshwater fish with frequent occurrence in agri-cultural areas is suggested as a potential alternative: the European weatherfish (Misgumus fossilis). Its suitability for acute embryo toxicity tests (FET) was investigated with regard to practical implementa-tion, sensitivity to contaminants and tolerance against environmental conditions of concern. For this purpose, weatherfish embryos were exposed (72 h) to the reference substance 3,4-dichloroaniline (DCA) in three independent tests. Furthermore, the effects of dissolved oxygen (DO) deficiency on weatherfish embryos were studied to evaluate their suitability e.g. for sediment bioassays. Obtained results revealed that the sensitivity of weatherfish embryos towards DCA (72 h-EC50 = 0.52 mg/I; 72 h-LC50 = 0.71 mg/I) was highest compared to other species and three times higher than that reported for the commonly used zebrafish (Danio rerio). Even though knowledge of DO requirements during the embryonic period of European fish species is scarce, weatherfish can be stated as one of the most tolerant native species (LC90 for DO = 0.53 mg/I after 48 h exposure plus 72 h post-exposure). Its high ecological relevance for Europe, the particular sensitivity towards DCA and high tolerance against DO depletion highlight the potential of weatherfish as additional species for toxicity testing.

Název v anglickém jazyce

Weatherfish (Misgurnus fossilis) as a new species for toxicity testing?

Popis výsledku anglicky

Selection of appropriate test species is a critical issue when assessing effects of environmental contam-ination on fish because the ecological relevance of commonly used test species might be restricted due to their exotic origin. In the present study, a European freshwater fish with frequent occurrence in agri-cultural areas is suggested as a potential alternative: the European weatherfish (Misgumus fossilis). Its suitability for acute embryo toxicity tests (FET) was investigated with regard to practical implementa-tion, sensitivity to contaminants and tolerance against environmental conditions of concern. For this purpose, weatherfish embryos were exposed (72 h) to the reference substance 3,4-dichloroaniline (DCA) in three independent tests. Furthermore, the effects of dissolved oxygen (DO) deficiency on weatherfish embryos were studied to evaluate their suitability e.g. for sediment bioassays. Obtained results revealed that the sensitivity of weatherfish embryos towards DCA (72 h-EC50 = 0.52 mg/I; 72 h-LC50 = 0.71 mg/I) was highest compared to other species and three times higher than that reported for the commonly used zebrafish (Danio rerio). Even though knowledge of DO requirements during the embryonic period of European fish species is scarce, weatherfish can be stated as one of the most tolerant native species (LC90 for DO = 0.53 mg/I after 48 h exposure plus 72 h post-exposure). Its high ecological relevance for Europe, the particular sensitivity towards DCA and high tolerance against DO depletion highlight the potential of weatherfish as additional species for toxicity testing.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10511 - Environmental sciences (social aspects to be 5.7)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Aquatic Toxicology

ISSN

0166-445X

e-ISSN

—

Svazek periodika

183

Číslo periodika v rámci svazku

February 2017

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

8

Strana od-do

46-53

Kód UT WoS článku

000394071100006

EID výsledku v databázi Scopus

2-s2.0-85006437100