Antibiotic resistance of E. coli in sewage and sludge

Reinthaler, Franz F.; Posch, Josefa; Feierl, Gebhard; Wüst, Gilda; Haas, Doris; Ruckenbauer, Gerald; Mascher, F; Marth, Egon

doi:10.1016/s0043-1354(02)00569-9

Cited by 469 publications

(332 citation statements)

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“…The greatest anxiety is that their presence will lead to antibacterial resistance in biological wastewater (WW) treatment and the environment (Andersson 2003;Costanzo et al 2005;Daughton 2003;Daughton and Ternes 1999;Goni-Urriza et al 2000;Halling-Sorensen et al 1998;Kümmerer 2009b;Reinthaler et al 2003;Volkmann et al 2004). Recently, this has been demonstrated by the observed increase in antibacterial resistance in Acinetobacter spp.…”

Section: Smx Usage and Presence In The Environmentmentioning

confidence: 99%

“…At these concentrations, SMX has been found to be mutagenic but not acutely toxic to Vibrio fisheri and Daphnia magna (Isidori et al 2005) and to be phytotoxic to algae (García-Galán et al 2011) and other plant species (Hillis et al 2011). Several studies have measured a resistance to SMX in bacteria isolated from biological WW treatment (Costanzo et al 2005;Reinthaler et al 2003), which has raised concerns regarding the prevalence of SMX in WWs leading to the development of bacterial resistance in the aquatic environment. These concerns have been validated recently by the detection of sulfonamide resistance genes in river water (which was correlated to the total SMX concentration among other sulfonamides) (Luo et al 2010) and the prevalence of SMX-resistant bacteria in aquaculture environments (Gao et al 2012b).…”

Section: Smx Usage and Presence In The Environmentmentioning

confidence: 99%

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Biodegradation of sulfamethoxazole: current knowledge and perspectives

Larcher

Yargeau

2012

Appl Microbiol Biotechnol

119

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Antibiotic compounds, like sulfamethoxazole (SMX), have become a concern in the aquatic environment due to the potential development of antibacterial resistances. Due to extensive consumption, excretion and disposal, SMX has been frequently detected in wastewaters and surface waters. This has led to numerous studies investigating the nature of SMX, with many researchers focusing on the biodegradation and persistence of SMX during wastewater treatment and in the environment. This review provides a summary of recent developments, outlines the discrepancies in observations and results, and demonstrates the need for further research to determine optimal biological removal strategies for SMX and other antibiotics.

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Section: Smx Usage and Presence In The Environmentmentioning

confidence: 99%

Section: Smx Usage and Presence In The Environmentmentioning

confidence: 99%

Biodegradation of sulfamethoxazole: current knowledge and perspectives

Larcher

Yargeau

2012

Appl Microbiol Biotechnol

119

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“…The presence of antimicrobial-resistance determinants in coastal seawater and wastewater runoff is well documented (e.g., Reinthaler et al 2003;Schwartz et al 2003). Exposure of wildlife to untreated wastewater may present a pathway for transfer of human-derived bacteria, and the antibiotic resistance genes they carry, to wildlife populations (Pellegrini et al 2009).…”

Section: Introductionmentioning

confidence: 99%

MOLECULAR DETECTION OF ANTIBIOTIC-RESISTANCE DETERMINANTS INESCHERICHIA COLIISOLATED FROM THE ENDANGERED AUSTRALIAN SEA LION (NEOPHOCA CINEREA)

Delport

Harcourt

Beaumont

et al. 2015

Journal of Wildlife Diseases

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ABSTRACT:Greater interaction between humans and wildlife populations poses significant risks of anthropogenic impact to natural ecosystems, especially in the marine environment. Understanding the spread of microorganisms at the marine interface is therefore important if we are to mitigate adverse effects on marine wildlife. We investigated the establishment of Escherichia coli in the endangered Australian sea lion (Neophoca cinerea) by comparing fecal isolation from wild and captive sea lion populations. Fecal samples were collected from wild colonies March 2009-September 2010 and from captive individuals March 2011-May 2013. Using molecular screening, we assigned a phylotype to E. coli isolates and determined the presence of integrons, mobile genetic elements that capture gene cassettes conferring resistance to antimicrobial agents common in fecal coliforms. Group B2 was the most abundant phylotype in all E. coli isolates (n537), with groups A, B1, and D also identified. Integrons were not observed in E. coli (n521) isolated from wild sea lions, but were identified in E. coli from captive animals (n516), from which class I integrases were detected in eight isolates. Sequencing of gene cassette arrays identified genes conferring resistance to streptomycin-spectinomycin (aadA1) and trimethoprim (dfrA17, dfrB4). Class II integrases were not detected in the E. coli isolates. The frequent detection in captive sea lions of E. coli with resistance genes commonly identified in human clinical cases suggests that conditions experienced in captivity may contribute to establishment. Identification of antibiotic resistance in the microbiota of Australian sea lions provides crucial information for disease management. Our data will inform conservation management strategies and provide a mechanism to monitor microorganism dissemination to sensitive pinniped populations.

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“…Published research data indicated that the portion of pathogenic and antibiotic resistant bacteria in WWTP effluent remained at significant concentrations or even increase [1]- [5]. Release of pathogenic and antibiotic resistant microorganisms with WWTP effluents is a growing public health concern [6], [7]. Multiple antibiotic resistant fecal coliforms and enterococci including vancomycin resistant Enterococcus (VRE) have been detected in influent, effluent, and sludge from municipal wastewater treatment plants [8][9].…”

Section: Introductionmentioning

confidence: 99%

Response of Different Strains of Enterococcus faecalis to UV Inactivation after Freezing

Gao¹,

Williams²

2013

IJESD

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Abstract-Response of two strains of Enterococcus faecalis bacteria, ATCC strain 29212 and ATCC strain 51299 (vancomycin resistant) to UV inactivation after survived freezing treatment was examined. The test microorganisms were frozen at -7 °C, -15 °C or -30 °C with one, three or five freeze and thaw cycles prior to UV irradiation to investigate the effect of freezing temperature and freeze thaw cycles on the efficacy of UV inactivation. Experimental results suggest that freezing influenced the response of Enterococcus faecalis cells to UV irradiation. Freezing treated cells behaved differently compared to those had not frozen.Index Terms-Enterococcus faecalis, freezing treatment, UV disinfection, waterborne pathogens, water and wastewater treatment. I. INTRODUCTIONConventional municipal wastewater treatment systems can significantly reduce the population of microorganisms; however, after treatment wastewater treatment plant (WWTP) effluents may still contain high numbers of fecal bacteria. Published research data indicated that the portion of pathogenic and antibiotic resistant bacteria in WWTP effluent remained at significant concentrations or even increase [1]- [5]. Release of pathogenic and antibiotic resistant microorganisms with WWTP effluents is a growing public health concern [6], [7]. Multiple antibiotic resistant fecal coliforms and enterococci including vancomycin resistant Enterococcus (VRE) have been detected in influent, effluent, and sludge from municipal wastewater treatment plants [8][9]. WWTPs provide a favorable environment for gene transfer due to high bacterial densities and nutritional richness of the influents [4], [8], [9]. Applications of UV disinfection in water and wastewater treatment systems have increased in recent years in Canada. Numerous research has been carried out to find the correlations between water quality, bacterial sensitivity and UV disinfection efficiency [10]-[12], the impact of cold temperatures on UV disinfection processes, especially, the responses of the pathogenic microorganisms after experiencing freezing to UV is however seldom examined [13], [14]. As a treatment alternative, natural or mechanical freezing has been used for various water or wastewater treatment, sludge pre-treatment or conditioning, and desalination [15]-[19]. Depending on the requirements of the finished water quality, UV disinfection may be needed after freezing treatment. Waterborne microorganisms might behave differently to UV Manuscript received December 5, 2012; revised February 27, 2013. W. Gao is with Department of Civil Engineering, Lakehead University, Thunder Bay, ON, Canada (e-mail: wagao@lakeheadu.ca).irradiation after survived freezing compared to those without experience freezing [13], [14], [20]. A recent study by Williams at al. [14] revealed that after freezing waterborne microorganisms such as Escherichia coli, Enterococcus and Bacillus behaved differently to UV irradiation compared to those had not frozen. Freezing affected the response of these microbes, a lower UV inactivat...

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Antibiotic resistance of E. coli in sewage and sludge

Cited by 469 publications

References 13 publications

Biodegradation of sulfamethoxazole: current knowledge and perspectives

Biodegradation of sulfamethoxazole: current knowledge and perspectives

MOLECULAR DETECTION OF ANTIBIOTIC-RESISTANCE DETERMINANTS INESCHERICHIA COLIISOLATED FROM THE ENDANGERED AUSTRALIAN SEA LION (NEOPHOCA CINEREA)

Response of Different Strains of Enterococcus faecalis to UV Inactivation after Freezing

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