본문 바로가기
HOME> 논문 > 논문 검색상세

논문 상세정보

Ecotoxicology and environmental safety v.147, 2018년, pp.349 - 356   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Operating conditions influence microbial community structures, elimination of the antibiotic resistance genes and metabolites during anaerobic digestion of cow manure in the presence of oxytetracycline

Turker, Gokhan (Institute of Environmental Sciences, Boğaziçi University, Bebek, 34342 Istanbul, Turkey ); Akyol, Çağrı (Institute of Environmental Sciences, Boğaziçi University, Bebek, 34342 Istanbul, Turkey ); Ince, Orhan (Department of Environmental Engineering, Istanbul Technical University, Maslak, 34469 Istanbul, Turkey ); Aydin, Sevcan (Department of Genetics and Bioengineering, Nişantaşı University, Sarıyer, 34485, Istanbul, Turkey ); Ince, Bahar (Institute of Environmental Sciences, Boğaziçi University, Bebek, 34342 Istanbul, Turkey );
  • 초록  

    Abstract The way that antibiotic residues in manure follow is one of the greatest concerns due to its potential negative impacts on microbial communities, the release of metabolites and antibiotic resistant genes (ARGs) into the nature and the loss of energy recovery in anaerobic digestion (AD) systems. This study evaluated the link between different operating conditions, the biodegradation of oxytetracycline (OTC) and the formation of its metabolites and ARGs in anaerobic digesters treating cow manure. Microbial communities and ARGs were determined through the use of quantitative real-time PCR. The biodegradation of OTC and occurrence of metabolites were determined using UV-HPLC and LC/MS/MS respectively. The maximum quantity of resistance genes was also examined at the beginning of AD tests and concentration was in the order of: tetM > tetO . The numbers of ARGs were always higher at high volatile solids (VS) content and high mixing rate. The results of the investigation revealed that relationship between mixing rate and VS content plays a crucial role for elimination of ARGs, OTC and metabolites. This can be attributed to high abundance of microorganisms due to high VS content and their increased contact with elevated mixing rate. An increased interaction between microorganisms triggers the promotion of ARGs. Highlights Dominance of hydrogenotrophic methanogens over acetoclastic methanogens was observed. Changes in microbial communities lead to changes in biodegradation capacity of OTC. Numbers of ARGs were always higher at high VS content and high mixing rate. Optimum conditions can cease the dissemination of ARGs and metabolites of OTC. Graphical abstract [DISPLAY OMISSION]


  • 주제어

    Anaerobic digestion .   Antibiotic resistance gene .   Metabolite .   Microbial community .   Oxytetracycline.  

 활용도 분석

  • 상세보기

    amChart 영역
  • 원문보기

    amChart 영역

원문보기

무료다운로드
  • 원문이 없습니다.

유료 다운로드의 경우 해당 사이트의 정책에 따라 신규 회원가입, 로그인, 유료 구매 등이 필요할 수 있습니다. 해당 사이트에서 발생하는 귀하의 모든 정보활동은 NDSL의 서비스 정책과 무관합니다.

원문복사신청을 하시면, 일부 해외 인쇄학술지의 경우 외국학술지지원센터(FRIC)에서
무료 원문복사 서비스를 제공합니다.

NDSL에서는 해당 원문을 복사서비스하고 있습니다. 위의 원문복사신청 또는 장바구니 담기를 통하여 원문복사서비스 이용이 가능합니다.

이 논문과 함께 출판된 논문 + 더보기