Toxicity of benzotriazoles in aquatic organisms

Toxicity of benzotriazoles in aquatic organisms Acute and chronic toxicity and modes of action of benzotriazoles (BZTs) and benzotriazoles UV-stabilizers (BZT-UVs) were evaluated in freshwater invertebrates, algae, and fish. Gene transcription, life history (viability, growth, reproduction), and protein activities were measured after short and long-term exposure of the freshwater crustacean Daphnia magna, the freshwater algae Chlamydomonas reinhardtii, and the rainbow trout (Oncorhynchus mykiss) to each compound alone and in a mixture. 2022-01-25 Environment and Climate Change Canada open-ouvert@tbs-sct.gc.ca Nature and EnvironmentChemicalsToxicologyToxic substancesBioassayGenomicsBiologyAquatic animalsFreshwater fishSurface waterFresh waterPollutantsBiochemistryaquatic toxicologytranscriptomicscontaminantsBZT-UVbenzotriazolesoxidative stressRNA-sequencingqRT-PCRendocrine disruptionmixture toxicologyemerging contaminantsin vivo exposureGenomics R&D Initiative (GRDI)Strategic Technology Applications of Genomics in the Environment (STAGE)Chemical Management Plan (CMP)St. Lawrence River

Acute and chronic toxicity and modes of action of benzotriazoles (BZTs) and benzotriazoles UV-stabilizers (BZT-UVs) were evaluated in freshwater invertebrates, algae, and fish. Gene transcription, life history (viability, growth, reproduction), and protein activities were measured after short and long-term exposure of the freshwater crustacean Daphnia magna, the freshwater algae Chlamydomonas reinhardtii, and the rainbow trout (Oncorhynchus mykiss) to each compound alone and in a mixture.

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