Microbial degradation of monocrotophos by Aspergillus oryzae |
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| Authors: | Tejomyee S Bhalerao Pravin R Puranik |
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| Institution: | 1. Academy of Scientific and Innovative Research, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, India;2. Microbial Processes and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, India;3. Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow, India;1. Faculty of Biotechnology and Food Sciences, Institute of Technical Biochemistry, Technical University of Lodz, ul. B. Stefanowskiego 4/10, 90-924 Lodz, Poland;2. Institute of Integrative Biology, University of Liverpool, Biosciences Building, Crown Street, Liverpool L69 7ZB, United Kingdom;3. Institute of Ageing and Chronic Disease, Faculty of Health & Life Sciences Department of Musculoskeletal Biology, University of Liverpool, Duncan Building, Daulby Street, Liverpool L69 3GA, United Kingdom;4. School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China;1. School of Environment, Tsinghua University, Beijing 100084, China;2. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuang-qing Road, Beijing 100085, China;3. School of Environmental Engineering, Nanjing Institute of Technology, Nanjing 211167, China;4. Institute of Disease Control and Prevention, Academy of Military Medical Science, Beijing 100071, China;1. Department of Environmental Science, School of Earth Sciences, Central University of Rajasthan, Ajmer 305817 (India);2. Department of Biotechnology, School of Life Sciences, Central University of Rajasthan, Ajmer 305817 (India);3. Laboratorio de Investigación en Ciencias Ambientales, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Nuevo León 66455 (Mexico);4. Laboratorio de Biotecnología, Facultad de Ciencias Químicas, Universidad Autónoma de Nuevo León, Nuevo León 66455 (Mexico) |
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| Abstract: | Organophosphorus pesticides are widely used in India for protection of agricultural yields. However, these pesticides pose various threats to organisms, including humans, and hamper soil microbial activity; thus, they are a cause for concern. As a measure of bioremediation, soil fungi capable of degrading monocrotophos (MCP) were isolated from various geographical and ecological sites. Twenty-five strains were isolated by an enrichment method using MCP as a carbon and phosphorus source. On the basis of MCP tolerance capacity exhibited in gradient agar plate assay the isolate M-4, identified as Aspergillus oryzae ARIFCC 1054, was selected for further studies. The ability of the isolate to mineralize MCP was investigated under different culture conditions. The isolate was found to possess phosphatase activity. The course of the degradation process was studied using HPTLC and FTIR analyses. The results suggest that this organism could be used for bioaugmentation of soil contaminated with MCP and for treatment of aqueous wastes. |
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