Impact of Triclosan on Bacterial Biodiversity and Sediment Enzymes - A Microcosm Study.
Bacterial biodiversity
Metagenomics
Microcosm
Sediment enzymes
Triclosan
Journal
Bulletin of environmental contamination and toxicology
ISSN: 1432-0800
Titre abrégé: Bull Environ Contam Toxicol
Pays: United States
ID NLM: 0046021
Informations de publication
Date de publication:
22 Oct 2024
22 Oct 2024
Historique:
received:
13
04
2024
accepted:
07
10
2024
medline:
23
10
2024
pubmed:
23
10
2024
entrez:
22
10
2024
Statut:
epublish
Résumé
Triclosan (TCS), a widely used antimicrobial biocide, has raised serious concern among the scientific community in recent years owing to its ubiquitous presence around the globe and toxicity to aquatic organisms. The current study investigated the alterations in bacterial diversity, nutrients, and sediment enzyme activity in TCS-exposed sediment. TCS concentrations of 3 mg/L (T1) and 6 mg/L (T2) were applied in a microcosm setup for 28 days to sediment collected from Versova Creek, Mumbai. Among sediment enzymes, dehydrogenase activity exhibited the greatest degree of variability in 3 mg/L exposed sediment. Nitrite, total nitrogen and urease exhibited higher concentrations in 6 mg/L TCS exposed sediment. The concentration of ammonia was observed to be decreasing in treatments exposed to 6 mg/L TCS. Total heterotrophic bacteria exhibited an increase in count in T1 and a decrease in T2. Metagenomics data showed a higher relative abundance of bacteria in T1 compared to T2 on the 28th day of sampling. Proteobacteria was found to be the most abundant phylum in all samples, and their relative abundance was reduced by 0.14% in T
Identifiants
pubmed: 39438328
doi: 10.1007/s00128-024-03969-9
pii: 10.1007/s00128-024-03969-9
doi:
Substances chimiques
Triclosan
4NM5039Y5X
Water Pollutants, Chemical
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
59Subventions
Organisme : Department of Science and Technology, Govt. of India
ID : DST/TMD-EWO-WTI/2K19/EWFH/2019/214
Informations de copyright
© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.
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