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. 2018 Sep 1:634:1346-1351.
doi: 10.1016/j.scitotenv.2018.04.051. Epub 2018 Apr 18.

A highly reusable MANAE-agarose-immobilized Pleurotus ostreatus laccase for degradation of bisphenol A

Tatiane Brugnari  1 , Marita Gimenez Pereira  2 , Gisele Adriana Bubna  1 , Emanuelle Neiverth de Freitas  1 , Alex Graça Contato  1 , Rúbia Carvalho Gomes Corrêa  1 , Rafael Castoldi  1 , Cristina Giatti Marques de Souza  1 , Maria de Lourdes Teixeira de Moraes Polizeli  2 , Adelar Bracht  1 , Rosane Marina Peralta  3
Affiliations

A highly reusable MANAE-agarose-immobilized Pleurotus ostreatus laccase for degradation of bisphenol A

Tatiane Brugnari et al. Sci Total Environ. .

Abstract

Bisphenol A (BPA) is an endocrine disruptor compound that is continuously released into the environment and is barely degraded in wastewater treatment plants. A previous study showed that free Pleurotus ostreatus laccase is efficient in degrading BPA producing less toxic metabolites. In the present study, this laccase was successfully immobilized onto MANAE-agarose, improving its efficiency in degrading BPA and its thermal and storage stabilities. In addition to this, the immobilized enzyme retained >90% of its initial capability to degrade BPA after 15cycles of reuse. P. ostreatus laccase immobilized onto MANAE-agarose could be an economical alternative for large scale degradation of BPA in aqueous systems.

Keywords: Bisphenol A; Immobilized laccase; MANAE agarose; Pleurotus ostreatus.

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