Occurrence, sources and fate of pharmaceuticals and personal care products in the groundwater: A review

Sui, Qian; Cao, Xuqi; Lu, Shuguang; Zhao, Wentao; Qiu, Zhaofu; Yu, Gang

doi:10.1016/j.emcon.2015.07.001

Cited by 558 publications

(233 citation statements)

References 94 publications

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“…Both DCF and SMX are known to be recalcitrant to degradation in conventional activated sludge treatment systems and have been detected in wastewater effluents (Vieno and Sillanpää 2014), surface water (Hirsch et al 1999), ground water (Sui et al 2015) and even drinking water (Schaider et al 2013). Therefore, searching for an alternative, and at the same time, effective methods of their removal, is still a challenge for researchers.…”

Section: Isolation Of Bacterial Endophytes From Phalaris Arundinacea mentioning

confidence: 99%

Isolation of Bacterial Endophytes from Phalaris arundinacea and their Potential in Diclofenac and Sulfamethoxazole Degradation

Węgrzyn

Felis

2018

Polish Journal of Microbiology

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A b s t r a c t Diclofenac (DCF), a non-steroidal anti-inflammatory drug (NSAID) and sulfamethoxazole (SMX), an antimicrobial agent, are in common use and can be often detected in the environment. The constructed wetland systems (CWs) are one of the technologies to remove them from the aquatic environment. The final effect of the treatment processes depends on many factors, including the interaction between plants and the plant-associated microorganisms present in the system. Bacteria living inside the plant as endophytes are exposed to secondary metabolites in the tissues. Therefore, they can possess the potential to degrade aromatic structures, including residues of pharmaceuticals. The endophytic strain MG7 identified as Microbacterium sp., obtained from root tissues of Phalaris arundinacea exposed to DCF and SMX was tested for the ability to remove 2 mg/l of SMX and DCF in monosubstrate cultures and in the presence of phenol as an additional carbon source. The MG7 strain was able to remove approximately 15% of DCF and 9% of SMX after 20 days of monosubstrate culture. However, a decrease in the optical density of the MG7 strain cultures was observed, caused by an insufficient carbon source for bacterial growth and proliferation. The adsorption of pharmaceuticals onto autoclaved cells was negligible, which confirmed that the tested strain was directly involved in the removal of DCF and SMX. In the presence of phenol as the additional carbon source, the MG7 strain was able to remove approximately 35% of DCF and 61% of SMX, while an increase in the optical density of the cultures was noted. The higher removal efficiency can be explained by adaptive mechanisms in microorganisms exposed to phenol (i.e. changes in the composition of membrane lipids) and by a co-metabolic mechanism, where non-growth substrates can be transformed by non-specific enzymes. The presence of both DCF and SMX and the influence of the supply frequency of CWs with the contaminated wastewater on the diversity of whole endophytic bacterial communities were demonstrated. The results of this study suggest the capability of the MG7 strain to degrade DCF and SMX. This finding deserves further investigations to improve wastewater treatment in CWs with the possible use of pharmaceuticals-degrading endophytes.K e y w o r d s: endophytic bacteria, constructed wetlands, diclofenac, sulfamethoxazole, biodegradation Węgrzyn A. and Felis E.

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Section: Isolation Of Bacterial Endophytes From Phalaris Arundinacea mentioning

confidence: 99%

Isolation of Bacterial Endophytes from Phalaris arundinacea and their Potential in Diclofenac and Sulfamethoxazole Degradation

Węgrzyn

Felis

2018

Polish Journal of Microbiology

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“…More than 85% of the 95 target contaminants were detected at one or more sampling sites. Presence of TOrCs in groundwater was reviewed by Lapworth et al (2012) and Sui et al (2015). Although many of the TOrCs pose no human health risk at the concentrations reported in those surveys, some, most notably hormones and hormone mimics, have proven capable of feminizing continuously exposed male fish and other organisms at the concentrations encountered Sumpter 1995;Kidd et al 2007).…”

Section: Chapter 1: Introductionmentioning

confidence: 99%

Effectiveness of Engineered and Natural Wastewater Treatment Processes for the Removal of Trace Organics in Water Reuse

Cheng

Zhang

et al. 2017

J. Environ. Eng.

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“…Impact on water Sui et al, (2015) (PanAmerican Health Organization, 2015). In addition, alterations in plant growth (Zhang, Ying, Pan, Liu, & Zhao,2015), and modification of the structure in bacterial communities and inhibit the process of nitrate reduction, due to elevated levels of sulfamethoxazole (SMX) Underwood et al, (2011 (Nieto, Borrull, Marce, & Pocurull, 2007).…”

Section: Environmental Impact Of Antibioticsmentioning

confidence: 99%

Antibiotics and their environmental implications

Vilca

Ángeles

Palma

et al. 2018

Rev. investig. altoandin.

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Occurrence, sources and fate of pharmaceuticals and personal care products in the groundwater: A review

Cited by 558 publications

References 94 publications

Isolation of Bacterial Endophytes from Phalaris arundinacea and their Potential in Diclofenac and Sulfamethoxazole Degradation

Isolation of Bacterial Endophytes from Phalaris arundinacea and their Potential in Diclofenac and Sulfamethoxazole Degradation

Effectiveness of Engineered and Natural Wastewater Treatment Processes for the Removal of Trace Organics in Water Reuse

Antibiotics and their environmental implications

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