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Insights into bacterial resistance to contaminants of emerging concerns and their biodegradation by marine bacteria

Emerging Contaminants 2024年第3期10卷 260-267页

作者： Hatice Turan Bahia Khalfaoui-Hassani Alisson Godino-Sanchez Zulfatun Naimah mathieu sebilo Remy Guyoneaud Mathilde Monperrus University of Pau and the Adour Region E2S UPPACNRSIPREM UMR 5254MIRAAngletFrance University of Pau and the Adour Region E2S UPPACNRSIPREM UMR 5254PauFrance Sorbonne Universite CNRSINRAEIRDUPDUPECInstitute of Ecology and Environmental Sciences(IEES)ParisFrance

Contaminants of Emerging Concern(CECs)are human-made chemicals that remain *** continuous detection of CECs in aquatic ecosystems,due to their incomplete removal,emphasizes the importance of understanding their fate and impact on the environment and human *** detrimental effects of CECs on marine eukaryotes are well documented in multiple ***,their impact on marine bacteria and their biodegradation by these organisms are not well *** this study,two marine bacteria,Priestia sp.35 ODPABA G14 and Rhodococcus sp.23 AHTN G14,previously isolated from submarine sediments,were *** two strains were tested for their resistance as well as their capacity to degrade different classes of hydrophobic and hydrophilic CECs,including synthetic musks,UV filters,pesticides and *** strains showed high resistance to all of the hydrophobic tested CECs even up to 500 mg L^(-1).Only Ketoprofen was toxic to bacterial cells,particularly to Rhodococcus *** at concentration as low as 4 mg L^(-1).Furthermore,Priestia *** Rhodococcus *** exhibited high biodegradation potential,especially for hydrophobic *** this may not apply to all pollutants,the data presented in this study suggest a positive correlation between marine bacterial resistance to CECs and their high biodegradation potentials.

关键词： Contaminants of emerging concern Musks UV filters Pharmaceuticals Pesticides Toxicity Biodegradation

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