Bioaccumulation of tetracycline and degradation products in Lemna gibba L. exposed to secondary effluents

Topal, Murat; Şenel, Gülşad Uslu; Öbek, Erdal; Topal, E. Işıl Arslan

doi:10.1080/19443994.2015.1018332

Cited by 12 publications

(7 citation statements)

References 33 publications

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“…The concentrations of TC, ETC, and ATC determined in the present study were lower than those (10.7 ± 0.4, 51.6 ± 0.2, and 10.2 ± 0.3 μg/L, respectively) determined for the effluent of a municipal wastewater treatment plant . Therefore, it could be said that the TC, ETC, and ATC contribution to the receiving environment is probably higher for the treatment plant than the leachates.…”

Section: Resultscontrasting

confidence: 81%

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Determination and Monitoring of Tetracycline and Degradation Products in Landfill Leachate

Topal

2016

CLEAN Soil Air Water

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Tetracyclines (TCs) have importance because of their common usage, high potential to reach the receiving environments, and toxicity for the organisms. The aim of this study is the determination of concentrations of TC and degradation products (DPs) as anhydrotetracycline (ATC), 4‐epitetracycline (ETC), and 4‐epianhydrotetracycline (EATC) in the leachate basin of landfill located in Elazığ City, Turkey. For this aim, leachate samples are taken from the leachate basin every week (wk) during March and April 2014. Maximum TC, ETC, EATC, and ATC concentrations in leachate samples are 2.47 ± 0.12 (wk 3), 10.3 ± 0.5 (wk 3), 37.1 ± 1.8 (wk 1), and 6.43 ± 0.32 μg/L (wk 8). The concentrations of TC and DPs followed the decreasing order of EATC > ETC > ATC > TC. As a result, it is determined that the concentrations of TC and DPs are at μg/L levels in the leachate basin of landfill.

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Section: Resultscontrasting

confidence: 81%

“…It was determined that the mean ETC concentration in leachate samples during 2 months was 9.29 ± 0.46 μg/L. It should be born in mind that the metabolites often have significant activity . Therefore, the occurrence of ETC at μg/L levels is important.…”

Section: Resultsmentioning

confidence: 99%

Determination and Monitoring of Tetracycline and Degradation Products in Landfill Leachate

Topal

2016

CLEAN Soil Air Water

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“…A variety of methods were used to remove drug contaminants from wastewater and drinking water treatment, such as sonochemical degradation of ibuprofen (Xiao et al, 2014), naproxen (Im et al, 2013), diclofenac (Naddeo et al, 2013). Other ways to removing possible pollutants are phytoremediation or mycoremediation (Nowrotek et al, 2016; Topal et al, 2016; Rodríguez-Espinosa et al, 2018).…”

Section: Resultsmentioning

confidence: 99%

Lentinula edodes Mycelium as Effective Agent for Piroxicam Mycoremediation

et al. 2019

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Pollution of the environment with inorganic and organic substances is one of the main problems in the world. For this reason, it is necessary to conduct researches for effective methods of biodegradation of xenobiotics, including drugs whose unmetabolized forms are introduced into the environment, especially into water. One possible solution to this problem may be the use of white rot fungi, such as Lentinula edodes . This is an edible species used in medicine because of its beneficial anti-cancer, hypocholesterolemic, hypotensive, hypoglycemic and antioxidant effects. Due to the fact that the mycelium of L. edodes produces enzymes with oxidizing properties that can degrade xenobiotics. The aim of the work was verification if in vitro cultures of L. edodes can be used for bioremediation of non-steroidal, anti-inflammatory drug: piroxicam. For this purpose, the in vitro culture of L. edodes was derived and the mycelial cultures of this species enriched with piroxicam were analyzed. The biodegradation pathway of piroxicam by L. edodes mycelium was carried out by the UPLC/MS/MS method. The degradation process of piroxicam was found to affect primarily the linker between the thiazine and the piperidine ring, leading to its oxidation and cleavage. Additionally, oxidation of the benzothiazine moiety was observed, leading to hydroxylation and oxidation of the phenyl ring as well as oxidation of the thiazine ring leading to partial or complete removal of the sulfonamide moiety. It seems that the degradation process led finally to 2-hydroxybenozquinone, which may be further oxidized to inorganic compounds. What’s more, concentration of piroxicam in in vitro cultures of L. edodes was not correlated with effectiveness of biodegradation of this compound – on each experimental series, the level of degradation was the same. The results confirm the possibility of using the investigated L. edodes mycelium for remediation of piroxicam.

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“…No studies were conducted on the extent to which TC was removed by Lemna gibba L. There are only a variety of works done by us (Topal et al ., ; ). However, there are some studies investigating the toxic effects of drugs on Lemna species.…”

Section: Introductionmentioning

confidence: 99%

Removal of tetracycline antibiotic by Lemna gibba L. from aqueous solutions

Topal

Öbek

Şenel

et al. 2018

Water & Environment J

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In this study, the efficiency of Lemna gibba L. on tetracycline (TC) removal from the solutions prepared at various initial TC concentrations (50, 100 and 300 µg/L) was investigated. The study was conducted in the reactors planted with Lemna gibba L. plants. Lemna gibba L. plants in the reactors were harvested at various hydraulic retention times. Then, the concentrations of TC were determined by using LC/‐MS‐MS. The maximum removal efficiencies for the TC50, TC100 and TC300 in the planted reactors were 99.8 ± 4.1; 99.9 ± 4.9 and 99 ± 4.9%, respectively. The harvesting times for Lemna gibba L. at TC50, TC100 and TC300 concentrations were determined to be 12, 8 and 12 hours, respectively. First‐, second‐ and pseudo‐first‐order kinetics are determined in the planted reactors (with Lemna gibba L.). According to the study results, second‐order kinetics were obtained at TC50, TC100, TC300 concentrations. As a result, the Lemna gibba L. plant can be used as an alternative treatment method to other advanced treatment methods and it can be done with a cheap method by adapting to existing treatment plants. Lemna gibba L. plants can be used to remove pollutants by applying them to polluted lakes and water bodies.

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Bioaccumulation of tetracycline and degradation products in Lemna gibba L. exposed to secondary effluents

Cited by 12 publications

References 33 publications

Determination and Monitoring of Tetracycline and Degradation Products in Landfill Leachate

Determination and Monitoring of Tetracycline and Degradation Products in Landfill Leachate

Lentinula edodes Mycelium as Effective Agent for Piroxicam Mycoremediation

Removal of tetracycline antibiotic by Lemna gibba L. from aqueous solutions

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