Validation of computationally predicted substrates for laccase



Título del documento: Validation of computationally predicted substrates for laccase
Revista: Brazilian archives of biology and technology
Base de datos: PERIÓDICA
Número de sistema: 000388253
ISSN: 1516-8913
Autores: 1
1
1
2
Instituciones: 1Council of Scientific and Industrial Research, Institute of Genomics and Integrative Biology, Nueva Delhi, Delhi. India
2National Institute of Immunology, Nueva Delhi, Delhi. India
Año:
Periodo: Sep-Oct
Volumen: 57
Número: 5
Paginación: 803-809
País: Brasil
Idioma: Inglés
Tipo de documento: Nota breve o noticia
Enfoque: Experimental
Resumen en inglés Present study reports the validation (oxidation) of computationally predicted oxidation of xenobiotic contaminants by commercially available pure laccase from Trametes versicolor. Selected contaminants were predicted as potential targets for laccase oxidation by using in-silico docking tool. The oxidation by laccase was measured by change in absorbance at specific λ max of each compound. Sinapic acid and tyrosine were taken as positive and negative controls, respectively. Oxidation was observed in m-chlorophenol, 2,4 di-chlorophenol, 2,4,6 tri-chlorophenol, captan, atrazine and thiodicarb, except malathion, which showed no activity. It could be speculated that the predicted substrates showing oxidation shared homology at structural and chemical level with positive control compounds. In case of malathion, structural non-homology with sinapic acid could be attributed to its inactivity towards laccase that required further structural analysis. Thus, a remediation tool proposing an advanced remediation approach combining the application of theoretical in-silico method and subsequent experimental validation using pure laccase could be proposed. As number and type of xenobiotics increase, the unfeasibility to screen them experimentally for bioremediation also rise. This approach would be useful to reduce the time and cost required in other screening methods
Disciplinas: Biología
Palabras clave: Ecología,
Biotecnología,
Xenobióticos,
Contaminación ambiental,
Biodegradación,
Sustratos experimentales,
Lacasa
Keyword: Biology,
Ecology,
Biotechnology,
Xenobiotics,
Environmental pollution,
Biodegradation,
Experimental substrates,
Laccase
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