Search Results - "Pellegrini, Vanessa O.A."

Combining pieces: a thorough analysis of light activation boosting power and co-substrate preferences for the catalytic efficiency of lytic polysaccharide monooxygenase MtLPMO9A by Sepulchro, Ana Gabriela V., Pellegrini, Vanessa O.A., Dias, Lucas D., Kadowaki, Marco A.S., Cannella, David, Polikarpov, Igor

“…Cost-efficient plant biomass conversion using biochemical and/or chemical routes is essential for transitioning to sustainable chemical technologies and…”
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Impact of cellulose properties on enzymatic degradation by bacterial GH48 enzymes: Structural and mechanistic insights from processive Bacillus licheniformis Cel48B cellulase by Araújo, Evandro A., Dias, Artur Hermano Sampaio, Kadowaki, Marco A.S., Piyadov, Vasily, Pellegrini, Vanessa O.A., Urio, Mateus B., Ramos, Luiz P., Skaf, Munir S., Polikarpov, Igor

“…[Display omitted] •Structural mechanism of cellulose depolymerization by GH48 cellulase was examined.•BlCel48B has high processivity against crystalline and…”
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Cellulose fiber size defines efficiency of enzymatic hydrolysis and impacts degree of synergy between endo- and exoglucanases by Pellegrini, Vanessa O. A., Bernardes, Amanda, Rezende, Camila A., Polikarpov, Igor

“…An interplay between cellulases is fundamental in biomass saccharification. Here, the synergistic action of Trichoderma harzianum Cel7A and Cel7B on two…”
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Recombinant Trichoderma harzianum endoglucanase I (Cel7B) is a highly acidic and promiscuous carbohydrate-active enzyme by Pellegrini, Vanessa O. A, Serpa, Viviane Isabel, Godoy, Andre S, Camilo, Cesar M, Bernardes, Amanda, Rezende, Camila A, Junior, Nei Pereira, Franco Cairo, João Paulo L, Squina, Fabio M, Polikarpov, Igor

“…Trichoderma filamentous fungi have been investigated due to their ability to secrete cellulases which find various biotechnological applications such as…”
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Reversibility of Substrate Adsorption for the Cellulases Cel7A, Cel6A, and Cel7B from Hypocrea jecorina by Pellegrini, Vanessa O. A, Lei, Nina, Kyasaram, Madhuri, Olsen, Johan P, Badino, Silke F, Windahl, Michael S, Colussi, Francieli, Cruys-Bagger, Nicolaj, Borch, Kim, Westh, Peter

“…Adsorption of cellulases on the cellulose surface is an integral part of the catalytic mechanism, and a detailed description of the adsorption process is…”
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Structural and molecular dynamics investigations of ligand stabilization via secondary binding site interactions in Paenibacillus xylanivorans GH11 xylanase by Briganti, Lorenzo, Capetti, Caio, Pellegrini, Vanessa O.A., Ghio, Silvina, Campos, Eleonora, Nascimento, Alessandro S., Polikarpov, Igor

“…[Display omitted] •PxXyn11B is the first crystal structure of a GH11 from Paenibacillus.•X-ray structure of PxXyn11B reveals its molecular architecture and a…”
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An overview on progress, advances, and future outlook for biohydrogen production technology by Brar, Kamalpreet Kaur, Cortez, Anelyse A., Pellegrini, Vanessa O.A., Amulya, K., Polikarpov, Igor, Magdouli, Sara, Kumar, Manu, Yang, Yung-Hun, Bhatia, Shashi Kant, Brar, Satinder Kaur

“…The hydrogen (H2) economy has been recognized globally from a socio-economic, and environmental viewpoint. Hydrogen can be produced using technologies such as…”
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Production of prebiotic xylooligosaccharides from arabino- and glucuronoxylan using a two-domain Jonesia denitrificans xylanase from GH10 family by Vacilotto, Milena Moreira, Sepulchro, Ana Gabriela Veiga, Pellegrini, Vanessa O.A., Polikarpov, Igor

“…•JdXyn10A is a two-domain GH10 xylanase.•JdXyn10A is halotolerant and ethanol resistant.•A tightening of the +2 subsite prevent the enzyme from releasing…”
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Cellulose nanofibers production using a set of recombinant enzymes by Rossi, Bruno R., Pellegrini, Vanessa O.A., Cortez, Anelyse A., Chiromito, Emanoele M.S., Carvalho, Antonio J.F., Pinto, Lidiane O., Rezende, Camila A., Mastelaro, Valmor R., Polikarpov, Igor

“…•Cellulose nanofibers (CNF) were produced combining hydrolytic and oxidative enzymes.•The set of recombinant enzymes was applied to sugarcane bagasse for the…”
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Transformation of xylan into value-added biocommodities using Thermobacillus composti GH10 xylanase by Sepulchro, Ana Gabriela Veiga, Pellegrini, Vanessa O.A., Briganti, Lorenzo, de Araujo, Evandro A., de Araujo, Simara S., Polikarpov, Igor

“…•T. composti GH10 xylanase is thermostable, halotolerant and ethanol-resistant.•X-ray structure of TcXyn10A reveals molecular details of xylan…”
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Enhanced hydrolysis of hydrothermally and autohydrolytically treated sugarcane bagasse and understanding the structural changes leading to improved saccharification by Brar, Kamalpreet Kaur, Espirito Santo, Melissa C., Pellegrini, Vanessa O.A., deAzevedo, Eduardo R., Guimaraes, Francisco E.C., Polikarpov, Igor, Chadha, Bhupinder Singh

“…The enzymatic mixture containing Novozyme Cellic CTec2 spiked with xylanase derived from Thermomyces lanuginosus (1000 U xylanase per g of substrate) resulted…”
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Liquid ammonia pretreatment optimization for improved release of fermentable sugars from sugarcane bagasse by Hans, Meenu, Garg, Shruti, Pellegrini, Vanessa O.A., Filgueiras, Jefferson G., de Azevedo, Eduardo R., Guimaraes, Francisco E.C., Chandel, Anuj Kumar, Polikarpov, Igor, Chadha, Bhupinder Singh, Kumar, Sachin

“…Alkali pretreatment of biomass is a widely accepted method for efficient delignification causing significant recovery of pentoses and hexoses to be utilized…”
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Physical techniques shed light on the differences in sugarcane bagasse structure subjected to steam explosion pretreatments at equivalent combined severity factors by Espirito Santo, Melissa C., Fockink, Douglas H., Pellegrini, Vanessa O.A., Guimaraes, Francisco E.G., deAzevedo, Eduardo R., Ramos, Luiz Pereira, Polikarpov, Igor

“…•Samples pretreated at equivalent CSFs showed significant physical and chemical differences.•CSF is not robust enough to fully predict the effects of the…”
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Light Boosts the Activity of Novel LPMO from Aspergillus fumigatus Leading to Oxidative Cleavage of Cellulose and Hemicellulose by Velasco, Josman, Sepulchro, Ana Gabriela V., Higasi, Paula M. R., Pellegrini, Vanessa O. A., Cannella, David, de Oliveira, Leandro Cristante, Polikarpov, Igor, Segato, Fernando

“…Lytic polysaccharide monooxygenases (LPMOs) are copper-dependent enzymes that potentiate the deconstruction of polysaccharides through an oxidative mechanism…”
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Unlocking the structural features for the xylobiohydrolase activity of an unusual GH11 member identified in a compost‐derived consortium by Kadowaki, Marco A. S., Briganti, Lorenzo, Evangelista, Danilo E., Echevarría‐Poza, Alberto, Tryfona, Theodora, Pellegrini, Vanessa O. A., Nakayama, Darlan G., Dupree, Paul, Polikarpov, Igor

“…The heteropolysaccharide xylan is a valuable source of sustainable chemicals and materials from renewable biomass sources. A complete hydrolysis of this major…”
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Light-stimulated T. thermophilus two-domain LPMO9H: Low-resolution SAXS model and synergy with cellulases by Higasi, Paula M.R., Velasco, Josman A., Pellegrini, Vanessa O.A., de Araújo, Evandro A., França, Bruno Alves, Keller, Malene B., Labate, Carlos A., Blossom, Benedikt M., Segato, Fernando, Polikarpov, Igor

“…[Display omitted] •TtLPMO9H oxidizes cellulose at C1 and C4 positions.•Combined activity of TtLPMO9H and GH7 endoglucanase remarkably increased yeild of…”
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Optimization of Dilute Acid Pretreatment for Enhanced Release of Fermentable Sugars from Sugarcane Bagasse and Validation by Biophysical Characterization by Hans, Meenu, Pellegrini, Vanessa O. A., Filgueiras, Jefferson G., de Azevedo, Eduardo R., Guimaraes, Francisco E. C., Chandel, Anuj Kumar, Polikarpov, Igor, Chadha, Bhupinder Singh, Kumar, Sachin

“…Pretreatment of biomass is one of the most challenging steps in the process of second-generation (2G) ethanol and biochemical production. Dilute acid…”
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Structure and dynamics of Trichoderma harzianum Cel7B suggest molecular architecture adaptations required for a wide spectrum of activities on plant cell wall polysaccharides by Sonoda, Milton T., Godoy, Andre S., Pellegrini, Vanessa O.A., Kadowaki, Marco A.S., Nascimento, Alessandro S., Polikarpov, Igor

“…Cellulases from glycoside hydrolase family 7 (GH7) play crucial roles in plant lignocellulose deconstruction by fungi, but structural information available for…”
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Molecular characterization of a family 5 glycoside hydrolase suggests an induced-fit enzymatic mechanism by Liberato, Marcelo V., Silveira, Rodrigo L., Prates, Érica T., de Araujo, Evandro A., Pellegrini, Vanessa O. A., Camilo, Cesar M., Kadowaki, Marco A., Neto, Mario de O., Popov, Alexander, Skaf, Munir S., Polikarpov, Igor

“…Glycoside hydrolases (GHs) play fundamental roles in the decomposition of lignocellulosic biomaterials. Here, we report the full-length structure of a…”
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Leaves from four different sugarcane varieties as potential renewable feedstocks for second-generation ethanol production: Pretreatments, chemical composition, physical structure, and enzymatic hydrolysis yields by Espirito Santo, Melissa C., Kane, Aissata Ousmane, Pellegrini, Vanessa O.A., Thema, Force Tefo, García, José M., Acevedo, Alberto, Erazzú, Luis E., Guimaraes, Francisco E.G., deAzevedo, Eduardo R., Polikarpov, Igor

“…Development of Bioeconomy is impossible without establishing efficient technologies of lignocellulosic biomass valorization via transformation into fermentable…”
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