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Tytuł:
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Toxicity assessment of pesticide triclosan by aquatic organisms and degradation studies.
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Autorzy:
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Taştan BE; Polatlı Faculty of Science & Arts, Gazi University, 06900, Polatlı, Ankara, Turkey; Health Services Vocational School, Gazi University, 06830, Gölbaşı, Ankara, Turkey; Life Sciences Application and Research Center, Gazi University, 06830, Gölbaşı, Ankara, Turkey. Electronic address: .
Tekinay T; Life Sciences Application and Research Center, Gazi University, 06830, Gölbaşı, Ankara, Turkey; Department of Medical Biology and Genetics, Faculty of Medicine, Gazi University, 06500, Ankara, Turkey. Electronic address: .
Çelik HS; Life Sciences Application and Research Center, Gazi University, 06830, Gölbaşı, Ankara, Turkey; Department of Medical Biology and Genetics, Faculty of Medicine, Gazi University, 06500, Ankara, Turkey.
Özdemir C; Department of Biology, Faculty of Science, Ankara University, 06100, Beşevler, Ankara, Turkey.
Cakir DN; Department of Biology, Faculty of Science, Ankara University, 06100, Beşevler, Ankara, Turkey.
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Źródło:
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Regulatory toxicology and pharmacology : RTP [Regul Toxicol Pharmacol] 2017 Dec; Vol. 91, pp. 208-215. Date of Electronic Publication: 2017 Oct 27.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Publication: <2003>- : Amsterdam : Elsevier
Original Publication: New York : Academic Press, [c1981-
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MeSH Terms:
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Aquatic Organisms/*drug effects
Pesticides/*toxicity
Triclosan/*toxicity
Biodegradation, Environmental ; Biological Assay/methods ; Chlorella/drug effects ; Microalgae/drug effects ; Water Pollutants, Chemical/toxicity
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Contributed Indexing:
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Keywords: 2,4-Dichlorophenol; Biodegradation; Cyanobacteria; Microalgae; Toxicity; Triclosan
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Substance Nomenclature:
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0 (Pesticides)
0 (Water Pollutants, Chemical)
4NM5039Y5X (Triclosan)
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Entry Date(s):
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Date Created: 20171108 Date Completed: 20180629 Latest Revision: 20180629
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Update Code:
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20240104
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DOI:
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10.1016/j.yrtph.2017.10.030
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PMID:
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29111444
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Triclosan is considered as an important contaminant and is widely used in personal care products as an antimicrobial agent. This study demonstrates the biodegradation of triclosan by two freshwater microalgae and the acute toxicity of triclosan and 2,4-dichlorophenol. The effects of culture media and light on biodegradation of triclosan and the changing morphology of microalgae were systematically studied. Geitlerinema sp. and Chlorella sp. degraded 82.10% and 92.83% of 3.99 mg/L of triclosan at 10 days, respectively. The microalgal growth inhibition assay confirmed absence of toxic effects of triclosan on Chlorella sp., even at higher concentration (50 mg/L) after 72 h exposure. HPLC analysis showed that 2,4-dichlorophenol was produced as degradation product of triclosan by Geitlerinema sp. and Chlorella sp. This study proved to be beneficial to understand biodegradation and acute toxicity of triclosan by microalgae in order to provide aquatic environmental protection.
(Copyright © 2017 Elsevier Inc. All rights reserved.)
