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- 01JEGFTCP7YGF7HBTS9JW9A08V classification A1.
- 01JEGFTCP7YGF7HBTS9JW9A08V date "2025".
- 01JEGFTCP7YGF7HBTS9JW9A08V language "eng".
- 01JEGFTCP7YGF7HBTS9JW9A08V type journalArticle.
- 01JEGFTCP7YGF7HBTS9JW9A08V hasPart 01JEGFWYQNCMKZ2YWTBQCSBZMM.pdf.
- 01JEGFTCP7YGF7HBTS9JW9A08V hasPart 01JH5C0QVK2781HJ8EJQ3B4M1S.pdf.
- 01JEGFTCP7YGF7HBTS9JW9A08V subject "Biology and Life Sciences".
- 01JEGFTCP7YGF7HBTS9JW9A08V subject "Earth and Environmental Sciences".
- 01JEGFTCP7YGF7HBTS9JW9A08V doi "10.1016/j.cej.2024.158277".
- 01JEGFTCP7YGF7HBTS9JW9A08V issn "1385-8947".
- 01JEGFTCP7YGF7HBTS9JW9A08V issn "1873-3212".
- 01JEGFTCP7YGF7HBTS9JW9A08V volume "503".
- 01JEGFTCP7YGF7HBTS9JW9A08V abstract "Antibiotics and nitrate are frequently detected in mariculture wastewater, and their simultaneous removal presents significant challenges. We developed an integrated system that combines an ultraviolet (UV) pretreatment unit with a thiosulfate-driven mixotrophic denitrification unit (UV-TDMD). This study aimed to examine the impact of different UV irradiation durations on microbial response behaviors, synergy and competition in metabolic pathways, and the fate of antibiotic resistance genes (ARGs). Although reducing UV irradiation time from 30 min to 0 min did not impair the denitrification performance of the mixotrophic denitrification unit, it led to an accumulation of sulfamethoxazole (SMX), which in turn triggered the production of reactive oxygen species (ROS). To counteract the oxidative damage caused by SMX, the microbial antioxidant system was activated, and the secretion of extracellular polymeric substance (EPS) increased. Metagenomic analysis showed that higher SMX levels promoted the dominance of Desulfocapsa, associated with sulfur reduction, while suppressing heterotrophic denitrifying bacteria. Elevated SMX stress diminished the electrons and energy supply in the absence of UV pretreatment, thereby intensifying competition among microbial communities, particularly affecting carbon-sulfur-nitrogen metabolism. Notably, a strong synergy (69.54 % positive correlation) was observed between 25 potential ARG hosts and 20 ARGs, which helped alleviate SMX stress. This study provides comprehensive insights into the critical role of the UV pretreatment unit in controlling antibiotics in the mixotrophic denitrification system.".
- 01JEGFTCP7YGF7HBTS9JW9A08V author 1947dcea-30b7-11ee-a164-ddab878cdd37.
- 01JEGFTCP7YGF7HBTS9JW9A08V author f9f9e097-a223-11eb-8795-e66c4780c2ca.
- 01JEGFTCP7YGF7HBTS9JW9A08V author urn:uuid:5fec6c8c-f56f-4f8f-b09b-3fbe343b005b.
- 01JEGFTCP7YGF7HBTS9JW9A08V author urn:uuid:61b04762-d3f2-486a-9d65-7103ff40b8da.
- 01JEGFTCP7YGF7HBTS9JW9A08V author urn:uuid:eef58f3a-9321-4122-ac01-84f7b3b86840.
- 01JEGFTCP7YGF7HBTS9JW9A08V dateCreated "2024-12-07T11:59:28Z".
- 01JEGFTCP7YGF7HBTS9JW9A08V dateModified "2025-01-09T11:12:25Z".
- 01JEGFTCP7YGF7HBTS9JW9A08V name "Systematic analysis of an integrated ultraviolet pretreatment and mixotrophic denitrification system : insights into carbon, sulfur, and nitrogen metabolism, microbial community dynamics, and the fate of antibiotic resistance genes".
- 01JEGFTCP7YGF7HBTS9JW9A08V pagination urn:uuid:fc1143a8-0e3c-4b1e-a9bb-a8c9265d1ca9.
- 01JEGFTCP7YGF7HBTS9JW9A08V sameAs LU-01JEGFTCP7YGF7HBTS9JW9A08V.
- 01JEGFTCP7YGF7HBTS9JW9A08V sourceOrganization urn:uuid:92790702-b3c7-46c7-9a9d-5e9a8dd1c2c3.
- 01JEGFTCP7YGF7HBTS9JW9A08V sourceOrganization urn:uuid:d83fabef-ce70-4ae7-85bb-1c6bd9789334.
- 01JEGFTCP7YGF7HBTS9JW9A08V type A1.