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[2020] Lignin degradation and detoxification of eucalyptus wastes by on-site manufacturing fungal enzymes to enhance second-generation ethanol yield
Schneider WDH, Fontana RC, Baudel HM, Gonçalves de Siqueira F, Rencoret J, Gutiérrez A, de Eugenio LI, Prieto A, Martínez MJ, Martínez AT, Pinheiro Dillon AJ, Camassola M
Applied Energy, 262: 114493
Novel laccases have promising and valuable applications in biorefineries. This investigation documents, for the first time, the potential of depolymerising and repolymerising [...]
[2020] Sequential oxidation of 5-hydroxymethylfurfural to furan-2,5-dicarboxylic acid by an evolved aryl-alcohol oxidase
Viña-Gonzalez J, Martínez AT, Guallar V, Alcalde M
Biochim. Biophys. Acta - Proteins and Proteomics, 10.1016/j.bbapap.2019.140293
Furan-2,5-dicarboxylic acid (FDCA) is a building block of biodegradable plastics that can be used to replace those derived from fossil carbon sources. In recent years, much [...]
[2020] Towards improving the sustainability of bioplastics: Process modelling and life cycle assessment of two separation routes for 2,5-furandicarboxylic acid
Bello S, Méndez-Trelles P, Rodil E, Feijoó G, Moreira MT
Sep. Purif. Technol., 233: 116056
Within the framework of an economy excessively dependent on fossil resources, the concept of sustainable development, aimed at obtaining environmentally friendly consumer [...]
[2019] Complete oxidation of hydroxymethylfurfural to furandicarboxylic acid by aryl-alcohol oxidase
Serrano A, Calviño E, Carro J, Sánchez-Ruiz MI, Cañada FJ, Martínez AT
Biotechnol. Biofuels, 12: 127, 10.1186/s13068-019-1555-z
Background: 5‑Hydroxymethylfurfural (HMF) is a highly valuable platform chemical that can be obtained from plant biomass carbohydrates. HMF can be oxidized to 2,5‑furandicarboxylic aci [...]
[2019] Peroxidase evolution in white-rot fungi follows wood lignin evolution in plants
Ayuso-Fernández I, Rencoret J, Gutiérrez A, Ruiz-Dueñas FJ, Martínez AT
Proc. Natl. Acad. Sci. USA, 10.1073/pnas.1905040116
A comparison of sequenced Agaricomycotina genomes suggests that efficient degradation of wood lignin was associated with the appearance of secreted peroxidases with a solvent-exposed [...]
[2019] Binding and Catalytic Mechanisms of Veratryl Alcohol Oxidation by Lignin Peroxidase: A Theoretical and Experimental Study
Romero JO, Fernandez-Fueyo E, Avila-Salas F, Recabarren R, Alzate-Morales J, Martínez AT
Comput. Struct. Biotechnol. J ., 17: 1066-1074
Lignin peroxidase (LiP) and its natural substrate veratryl alcohol (VA) play a crucial role in lignin degradation by white-rot fungi. Understanding the molecular determinants [...]
[2019] Formate oxidase (FOx) from Aspergillus oryzae: one catalyst to promote H2O2‐dependent biocatalytic oxidation reactions
Tieves F, Willot SJ-P, van Schie MMCH, Rauch MCR, Younes SHH, Zhang W, Dong J, Gómez de Santos P, Robbins JM, Bommarius B, Alcalde M, Bommarius AS, Hollmann F
Angew. Chem. Int. Ed., 58: 7873-7877, 10.1002/anie.201902380
An increasing number of biocatalytic oxidation reactions rely on H2O2 as clean oxidant. The poor robustness of most enzymes towards H2O2, however, necessitates more efficient [...]
[2019] Structure-Guided Immobilization of an Evolved Unspecific Peroxygenase
Molina-Espeja P, Santos-Moriano P, García-Ruiz E, Ballesteros A, Plou FJ, Alcalde M
Int. J. Mol. Sci., 20: 1627-1639
Unspecific peroxygenases (UPOs) are highly promiscuous biocatalyst with self-sufficient mono(per)oxygenase activity. A laboratory-evolved UPO secreted by yeast was covalently [...]
[2019] Selective synthesis of 4-hydroxyisophorone and 4-ketoisophorone by fungal peroxygenases
Aranda C, Municoy M, Guallar V, Kiebist J, Scheibner K, Ullrich R, del Río JC, Hofrichter M, Martínez AT, Gutiérrez A
Catal. Sci. Technol., 9: 1398-1405
The recently discovered unspecific peroxygenases (UPOs) from the ascomycetes Chaetomium globosum and Humicola insolens were capable of selectively hydroxylating isophorone [...]
[2019] Energising the E-factor: The E+-factor
Tieves F, Tonin F, Fernandez-Fueyo E, Robbins JM, Bommarius B, Bommarius AS, Alcalde M, Hollmann F
Tetrahedron, 75: 1311-1314
The E-factor has become an important measure for the environmental impact of (bio)chemical reactions. However, summing up the obvious wastes generated in the laboratory neglects [...]
[2019] Redox potential increased during the evolution of enzymes degrading recalcitrant lignin
Ayuso-Fernández I, De Lacey AL, Cañada FJ, Ruiz-Dueñas FJ, Martínez AT
Chem. Eur. J., 25: 2708-2712
To investigate how ligninolytic peroxidases acquired the uniquely high redox‐potential they show today, their ancestors were resurrected and characterized. Unfortunately, t [...]
[2018] Structural Insights into the Substrate Promiscuity of a Laboratory-Evolved Peroxygenase
Ramírez-Escudero M, Molina-Espeja P, Gómez de Santos P, Hofrichter M, Sanz-Aparicio J, Alcalde M
ACS Chem. Biol., 13: 3259-3268
Because of their minimal requirements, substrate promiscuity and product selectivity, fungal peroxygenases are now considered to be the jewel in the crown of C–H oxyfunctionalization b [...]
[2019] Environmental sustainability assessment of HMF and FDCA production from lignocellulosic biomass through life cycle assessment (LCA)
Bello S, Salim I, Méndez-Trelles P, Rodil E, Feijoó G, Moreira MT
Holzforschung, 73: 105-115
2,5-Furandicarboxylic acid (FDCA) and 5-hydroxymethylfurfural (HMF) are top biomass-based platform chemicals with promising potential and an essential part of the future of [...]
[2018] Biocatalytic Oxidation Reactions: A Chemist's Perspective
Dong J, Fernandez-Fueyo E, Hollmann F, Paul CE, Pesic M, Schmidt S, Wang Y, Younes S, Zhang W
Angew. Chem. Int. Ed., 57-9238
Oxidation chemistry using enzymes is approaching maturity and practical applicability in organic synthesis. Oxidoreductases (enzymes catalysing redox reactions) enable chemists [...]
[2018] Description of a Non-Canonical Mn(II)-Oxidation Site in Peroxidases
Fernandez-Fueyo E, Davó-Siguero I, Almendral D, Linde D, Baratto MC, Pogni R, Romero A, Guallar V, Martínez AT
ACS-Catalysis, 8: 8386-8395
A dye-decolorizing peroxidase (DyP) from Pleurotus ostreatus (PosDyP4) catalyzes the oxidation of Mn2+ to Mn3+, in the presence of H2O2, with an efficiency similar to the [...]
[2018] Evolutionary convergence in lignin-degrading enzymes
Ayuso-Fernández I, Ruiz-Dueñas FJ, Martínez AT
Proc. Natl. Acad. Sci. USA, 115: 6428-6433
The resurrection of ancestral enzymes of now-extinct organisms (paleogenetics) is a developing field that allows the study of evolutionary hypotheses otherwise impossible [...]
[2018] Multiple implications of an active site phenylalanine in the catalysis of aryl-alcohol oxidase
Carro J, Amengual-Rigo P, Sancho F, Medina M, Guallar V, Ferreira P, Martínez AT
Scientific Reports, 8: 8121
Aryl-alcohol oxidase (AAO) has demonstrated to be an enzyme with a bright future ahead due to its biotechnological potential in deracemisation of chiral compounds, production [...]
[2018] Shuffling the Neutral Drift of Unspecific Peroxygenase in Saccharomyces cerevisiae
Martín-Díaz J, Paret C, García-Ruiz E, Molina-Espeja P, Alcalde M
Appl. Environ. Microbiol., 86: 808-18
Unspecific peroxygenase (UPO) is a highly promiscuous biocatalyst, and its selective mono(per)oxygenase activity makes it useful for many synthetic chemistry applications. [...]
[2018] Draft Genome Sequence of the Sordariomycete Lecythophora (Coniochaeta) hoffmannii CBS 245.38
Leonhardt S, Büttner E, Gebauer AM, Hofrichter M, Kellner H
Genome Announc., 6
Lecythophora (Coniochaeta) hoffmannii, a soil- and lignocellulose-inhabiting sordariomycete (Ascomycota) that can also live as a facultative tree pathogen causing soft rot, [...]
[2018] Side chain removal from corticosteroids by unspecific peroxygenase
Ullrich R, Poraj-Kobielska M, Scholze S, Halbout C, Sandvoss M, Pecyna MJ, Scheibner K, Hofrichter M
J. Inorg. Biochem., 183: 84-93
Two unspecific peroxygenases (UPO, EC 1.11.2.1) from the basidiomycetous fungi Marasmius rotula and Marasmius wettsteinii oxidized steroids with hydroxyacetyl and hydroxyl [...]
[2018] Nonconventional regeneration of redox enzymes – a practical approach for organic synthesis?
Zhang W, Hollmann F
Chem. Commun., 54: 7281-7289
Oxidoreductases have become useful tools in the hands of chemists to perform selective and mild oxidation and reduction reactions. Instead of mimicking native catalytic cycles, [...]
[2018] Selective Synthesis of the Human Drug Metabolite 5′-Hydroxypropranolol by an Evolved Self-Sufficient Peroxygenase
Gómez de Santos P, Cañellas M, Tieves F, Younes SHH, Molina-Espeja P, Hofrichter M, Hollmann F, Guallar V, Alcalde M
ACS-Catalysis, 8: 4789-4799
Propranolol is a widely used beta-blocker that is metabolized by human liver P450 monooxygenases into equipotent hydroxylated human drug metabolites (HDMs). It is paramount [...]
[2018] Biological Lignin Degradation
Martínez AT, Camarero S, Ruiz-Dueñas FJ, Martínez MJ
Lignin Valorization: Emerging Approaches. Ed. Gregg Beckham. RSC: 199-225
In nature, white-rot fungi and some bacteria secrete powerful oxidative enzymes such as peroxidases and laccases to break down lignin and lignin products. These enzymes, together [...]
[2018] Selective synthesis of the resveratrol analogue 4,4′-dihydroxy-trans-stilbene and stilbenoids modification by fungal peroxygenases
Aranda C, Ullrich R, Kiebist J, Scheibner K, del Río JC, Hofrichter M, Martínez AT, Gutiérrez A
Catal. Sci. Technol., 8: 2394-2401
This work gives first evidence that the unspecific peroxygenases (UPOs) from the basidiomycetes Agrocybe aegerita (AaeUPO), Coprinopsis cinerea (rCciUPO) and Marasmius rotula [...]
[2018] Self-sustained enzymatic cascade for the production of 2,5-furandicarboxylic acid from 5-methoxymethylfurfural
Carro J, Fernandez-Fueyo E, Fernández-Alonso C, Cañada J, Ullrich R, Hofrichter M, Alcalde M, Ferreira P, Martínez AT
Biotechnol. Biofuels, 11: 86-96
Background 2,5-Furandicarboxylic acid is a renewable building block for the production of polyfurandicarboxylates, which are biodegradable polyesters expected to substitute [...]