Abstract：
:This work aimed to study the behavior of antibiotic resistance genes (ARGs) in constructed wetlands with different exogenous inducers additions (oxytetracycline and its resistant bacteria) by high-throughput quantitative polymerase chain reaction. Results indicated that constructed wetlands have the potential to reduce ARGs relative abundances in wastewater, and the total ARGs removal efficiency could exceed 60%. ARGs profile in the effluent differed from that in the influent, and that did not directly reflect the export of dominant ARGs in wetland biofilms. Meanwhile, the highest levels of detected numbers and relative abundances of ARGs were 43 and 3.35 × 10-1 for control system and 44 and 6.40 × 10-1 for treatment system, respectively, which meant that ARGs generation in wetlands were inevitable, and antibiotic and antibiotic-resistant bacteria from wastewater could indeed promote ARGs abundance in the system. Compared to the single roles of inducers, their synergistic role had a more significant influence on ARGs relative abundance.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Liu L,Xin Y,Huang X,Liu Cdoi
10.1016/j.biortech.2020.123779subject
Has Abstractpub_date
2020-10-01 00:00:00pages
123779eissn
0960-8524issn
1873-2976pii
S0960-8524(20)31051-8journal_volume
314pub_type
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