Toxicity of benzophenone-3 and its biodegradation in a freshwater microalga Scenedesmus obliquus.
Benzonphenone-3
Biodegradation
Microalgae
Toxicity
UV filters
Journal
Journal of hazardous materials
ISSN: 1873-3336
Titre abrégé: J Hazard Mater
Pays: Netherlands
ID NLM: 9422688
Informations de publication
Date de publication:
05 05 2020
05 05 2020
Historique:
received:
03
11
2019
revised:
30
12
2019
accepted:
19
01
2020
pubmed:
1
2
2020
medline:
9
2
2021
entrez:
1
2
2020
Statut:
ppublish
Résumé
Environmental contamination by benzophenone-3 has gained attention because of its frequent occurrence and adverse environmental impact. Studies investigating the toxicity and removal mechanisms, along with its degradation pathway in microalgae are still rare. In this study, the ecotoxicity of benzophenone-3 on Scenedesmus obliquus was assessed through dose-response test, risk quotient evaluation, and changes of microalgal biochemical characteristics and gene expression. The calculated risk quotients of benzophenone-3 were >1, implying its high environmental risk. Expression of the ATPF0C and Tas genes encoding ATP-synthase and oxidoreductase was significantly increased in S. obliquus after exposure to benzophenone-3, while that of Lhcb1 and HydA genes was reduced. When exposed to 0.1-3 mg L
Identifiants
pubmed: 32004845
pii: S0304-3894(20)30137-0
doi: 10.1016/j.jhazmat.2020.122149
pii:
doi:
Substances chimiques
Benzophenones
0
Water Pollutants, Chemical
0
oxybenzone
95OOS7VE0Y
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
122149Informations de copyright
Copyright © 2020 Elsevier B.V. All rights reserved.