Continuous Removal of Nonylphenol by Versatile Peroxidase in a Two-Stage Membrane Bioreactor

Hernández, Jazmín Edith Méndez; Eibes, Gemma; Arca-Ramos, A.; Lú-Chau, Thelmo A.; Feijoo, Gumersindo; Lema, Juan M.

doi:10.1007/s12010-014-1474-1

Cited by 18 publications

(10 citation statements)

References 32 publications

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“…Recently, the enzymatic methods have attracted the attention of environmentalists for the treatment of endocrine‐disrupting compounds. Numerous types of oxidoreductases: laccases, tyrosinases, manganese peroxidase, lignin peroxidase, polyphenol oxidases, horseradish peroxidase, and bitter gourd peroxidase have exhibited their potential for the remediation of such types of compounds (Méndez‐Hernández et al, 2015; Wang and Wang, 2016; Rani et al, 2017; Teerapatsakul et al, 2017; Bilal et al, 2019; Fu et al, 2019; Lassouane et al, 2019; Xueping and Shikeren, 2019; Zerva et al, 2019).…”

Section: Resultsmentioning

confidence: 99%

Extracellular laccase from Monilinia fructicola: isolation, primary characterization and application

Demkiv

Gayda

Broda

et al. 2020

Cell Biology International

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Laccases are enzymes belonging to the family of blue copper oxidases. Due to their broad substrate specificity, they are widely used in many industrial processes and environmental bioremediations for removal of a large number of pollutants. During last decades, laccases attracted scientific interest also as highly promising enzymes to be used in bioanalytics. The aim of this study is to obtain a highly purified laccase from an efficient fungal producer and to demonstrate the applicability of this enzyme for analytics and bioremediation. To select the best microbial source of laccase, a screening of fungal strains was carried out and the fungus Monilinia fructicola was chosen as a producer of an extracellular enzyme. Optimal cultivation conditions for the highest yield of laccase were established; the enzyme was purified by a column chromatography and partially characterized. Molecular mass of the laccase subunit was determined to be near 35 kDa; the optimal pH ranges for the highest activity and stability are 4.5–5.0 and 3.0–5.0, respectively; the optimal temperature for laccase activity is 30°C. Laccase preparation was successfully used as a biocatalyst in the amperometric biosensor for bisphenol A assay and in the bioreactor for bioremediation of some xenobiotics.

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Section: Resultsmentioning

confidence: 99%

Extracellular laccase from Monilinia fructicola: isolation, primary characterization and application

Demkiv

Gayda

Broda

et al. 2020

Cell Biology International

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“…In a more recent study, nonylphenol was removed by VP from Bjerkandera sp. [ 126 ]. In addition, purified VP from Bjerkandera adusta was able to decolorize dyes, including azo, phthalocyanines, and anthraquinones [ 127 ].…”

Section: Linking Oxidative Ability Of Lignin-degrading Enzymes To mentioning

confidence: 99%

Linking Enzymatic Oxidative Degradation of Lignin to Organics Detoxification

Wang

Yao

2018

IJMS

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The major enzymes involved in lignin degradation are laccase, class II peroxidases (lignin peroxidase, manganese peroxidase, and versatile peroxidase) and dye peroxidase, which use an oxidative or peroxidative mechanism to deconstruct the complex and recalcitrant lignin. Laccase and manganese peroxidase directly oxidize phenolic lignin components, while lignin peroxidase and versatile peroxidase can act on the more recalcitrant non-phenolic lignin compounds. Mediators or co-oxidants not only increase the catalytic ability of these enzymes, but also largely expand their substrate scope to those with higher redox potential or more complicated structures. Neither laccase nor the peroxidases are stringently selective of substrates. The promiscuous nature in substrate preference can be employed in detoxification of a range of organics.

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“…The biocatalyst is simple to replace (according to enzyme inactivation rates), which achieves stable substrate conversion rates [92]. EMRS processes have also been tested for the continuous removal of endocrine disrupting compounds from wastewater, using versatile peroxidases and polyethersulfone (PES) ultrafiltration membranes [93,94].…”

Section: Applications Of Enzymatic Lignin Degradationmentioning

confidence: 99%

Lignin Degradation Processes and the Purification of Valuable Products

Schoenherr¹,

Ebrahimi²,

Czermak³

2018

Lignin - Trends and Applications

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Lignin is a heterogeneous, phenolic and polydisperse biopolymer which resists degradation due to its aromatic and highly branched structure. Lignin is the most abundant renewable source of aromatic molecules on earth. The valorization of lignin could therefore provide a sustainable alternative to petroleum refineries for the production of valuable aromatic compounds. Even so, paper mills and lignocellulose feedstock biorefineries treat lignin largely as a waste product. In paper mills, 98% of technical lignin is incinerated for internal energy recovery while only 2% is used commercially (e.g. for the production of aromatics such as vanillin). The reasons for the underutilization of lignin include its recalcitrance to degradation and the challenge of separating mixtures of numerous degradation products. The successful valorization of lignin in the future thus depends on a broad understanding of biological and technical degradation processes, and the implementation of efficient product purification strategies. This article describes enzymatic, photocatalytic and thermochemical lignin degradation processes and considers purification methods for valuable lignin-derived degradation products. We focus on the potential of membrane-based separation technology, including data from our own recent research.

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Continuous Removal of Nonylphenol by Versatile Peroxidase in a Two-Stage Membrane Bioreactor

Cited by 18 publications

References 32 publications

Extracellular laccase from Monilinia fructicola: isolation, primary characterization and application

Extracellular laccase from Monilinia fructicola: isolation, primary characterization and application

Linking Enzymatic Oxidative Degradation of Lignin to Organics Detoxification

Lignin Degradation Processes and the Purification of Valuable Products

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