Isolation and identification of endosulfan-degrading bacteria and evaluation of their bioremediation in kor river, iran

Osong Public Health and Research Perspectives
F KafilzadehYaghoob Tahery

Abstract

Endosulfan is a lipophilic insecticide, which causes severe health issues due to its environmental stability, toxicity, and biological reservation in organisms. It is found in the atmosphere, soil, sediments, surface waters, rain, and food in almost equal proportions. The aim of this study was to isolate and identify endosulfan-degrading bacteria from the Kor River and evaluate the possibility of applying bioremediation in reducing environmental pollution in the desired region. Samples of surface sediments and water were collected from three different stations in two seasons (summer and autumn), as these are areas with high agricultural activity. Isolated bacteria were identified by various biochemical tests and morphological characteristics. The amounts of degradation of endosulfan isomers and metabolites produced as a result of biodegradation were then analyzed using gas chromatography/mass spectrometry. In this study, the following five bacterial genera were able to degrade endosulfan: Klebsiella, Acinetobacter, Alcaligenes, Flavobacterium, and Bacillus. During biodegradation, metabolites of endosulfan diol, endosulfan lactone, and endosulfan ether were also produced, but these had lesser toxicity compared with the original ...Continue Reading

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Citations

Nov 11, 2017·International Journal of Environmental Research and Public Health·Abdulrazaq YahayaAbiodun O Adeniji
Sep 9, 2017·Environmental Science and Pollution Research International·Tinatin DoolotkeldievaSaykal Bobusheva
Sep 26, 2019·Current Microbiology·Gokhan Onder Erguven, Numan Yildirim
Sep 14, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Yichen HuangZhijun Wu
Sep 19, 2020·Ecotoxicology and Environmental Safety·Chinyere Christiana EgbeMatthew Olusoji Ilori
Sep 17, 2020··Mochamad Fathi RizqullahEndah Retnaningrum

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