RSS 1.0Artigos - Bioquímica e Microbiologia - IBRC
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Glutaminase-free L-asparaginase production by Leucosporidium muscorum isolated from Antarctic marine-sediment
; ; ; ; ; ; ; Sette, Lara Durães
; (Preparative Biochemistry and Biotechnology, 2020) [Artigo]
L-asparaginase (ASNase) is an essential drug in the treatment of acute lymphoblastic leukemia (ALL). Commercial bacterial ASNases increase patient survival, but the consequent immunological reactions remain a challenge. ... -
Pseudo-Lignin Content Decreased with Hemicellulose and Lignin Removal, Improving Cellulose Accessibility, and Enzymatic Digestibility
Schmatz, Alison Andrei; Salazar-Bryam, Ana Maria ; Contiero, Jonas ; ; Brienzo, Michel (Bioenergy Research, 2020) [Artigo]
The sugarcane bagasse is a heterogeneous material and needs a pretreatment to breakdown its complex structure to make cellulose accessible to enzyme action. This study aimed to evaluate pseudo-lignin formation, enzymatic ... -
Fungal community in antarctic soil along the retreating collins glacier (Fildes peninsula, King George Island)
dos Santos, Juliana Aparecida; ; Sette, Lara Durães (Microorganisms, 2020) [Artigo]
Glacial retreat is one of the most conspicuous signs of warming in Antarctic regions. Glacier soils harbor an active microbial community of decomposers, and under the continuous retraction of glaciers, the soil starts to ... -
Sieving process selects sugarcane bagasse with lower recalcitrance to xylan solubilization
Alves, Rosângela C; Melati, Ranieri B ; Casagrande, Giovanna MS ; Contiero, Jonas ; Pagnocca, Fernando C ; Brienzo, Michel (Journal of Chemical Technology and Biotechnology, 2020) [Artigo]
BACKGROUND: Sugarcane bagasse is a heterogeneous and organized material that needs a pretreatment to access the polysaccharides (cellulose and xylan). The particle size of a non-milled bagasse can influence the xylan and ... -
Carbapenem resistant Enterobacteriaceae from port areas in São Paulo State (Brazil): Isolation and molecular characterization
Andrade, Vanessa Costa; ; ; Oliveira, Ana Júlia Fernandes Cardoso de (Marine Pollution Bulletin, 2020) [Artigo]
Coastal areas with important economic activities have high levels of contamination by metals, pathogenic bacteria, among other contaminants. The emergence of antibiotic-resistant bacteria is a global problem of public ... -
Biodegradation of Soybean Biodiesel Generates Toxic Metabolites in Soil
Cruz, Jaqueline Matos; ; Bidoia, Ederio Dino (Water, Air, and Soil Pollution, 2020) [Artigo]
Biodiesel is a mixture of fatty acid methyl esters (FAME) from either vegetable oils or animal fats. Although biodiesel biodegrades faster than diesel fuel, the impacts of this biofuel in environment throughout its ... -
mCherry fusions enable the subcellular localization of periplasmic and cytoplasmic proteins in Xanthomonas sp.
Pena, Michelle Mendonça; ; Ferreira, Henrique ; ; Sato, Kenny Umino ; Ferro, Maria Inês Tiraboschi ; Ferro, Jesus Aparecido (PLoS ONE, 2020) [Artigo]
Fluorescent markers are a powerful tool and have been widely applied in biology for different purposes. The genome sequence of Xanthomonas citri subsp. citri (X. citri) revealed that approximately 30% of the genes encoded ... -
Endophytic fungi from Passiflora incarnata: an antioxidant compound source
da Silva, Matheus Henrique Reis; ; ; ; ; de Angelis, Dejanira de Franceschi ; de Angelis, Derlene Attili (Archives of Microbiology, 2020) [Artigo]
Endophytes are considered one of the most important microbial resources for obtaining biomolecules of therapeutic use. Passiflora incarnata, widely employed by the pharmaceutical industry, shows therapeutic effects on ... -
Fungus-growing insects host a distinctive microbiota apparently adapted to the fungiculture environment
Barcoto, Mariana O.; ; ; Ferro, Milene ; Nagamoto, Nilson S. ; Bacci, Mauricio ; ; Rodrigues, Andre (Scientific Reports, 2020) [Artigo]
Some lineages of ants, termites, and beetles independently evolved a symbiotic association with lignocellulolytic fungi cultivated for food, in a lifestyle known as fungiculture. Fungus-growing insects’ symbiosis also hosts ... -
Production of Rhamnolipids from Soybean Soapstock: Characterization and Comparation with Synthetics Surfactants
Lopes, Paulo Renato Matos; ; Cruz, Jaqueline Matos ; ; Mendes, Carolina Rosai ; Dilarri, Guilherme ; Contiero, Jonas ; Bidoia, Ederio Dino (Waste and Biomass Valorization, 2020) [Artigo]
Abstract: In this study, waste from the soybean industry was used as the main carbon source to produce rhamnolipids. This biosurfactant have a great value and can be used in several applications. The biosurfactant produced ... -
Heavy metal concentrations in Brazilian port areas and their relationships with microorganisms: can pollution in these areas change the microbial community?
Zampieri, Bruna Del Busso; da Costa Andrade, Vanessa ; Chinellato, Roberta Merguizo ; ; de Oliveira, Marcos Antônio ; ; de Oliveira, Ana Julia Fernandes Cardoso (Environmental Monitoring and Assessment, 2020) [Artigo]
The objectives of this study were to analyze the difference in ways in which metals polluting Brazilian port areas influence bacterial communities and the selection of resistant strains. The hypothesis tested was that port ... -
Evaluation of a new method for (L+) lactic acid purification, using ethyl ether
Coelho, Luciana Fontes; Sass, Daiane Cristina ; Avila Neto, Paulo Marcelo ; Contiero, Jonas (Biocatalysis and Agricultural Biotechnology, 2020) [Artigo]
The aim of the present study was to obtain high levels of fermentative L (+) lactic acid and find a better form of purification. The process was optimized by testing different compositions of the culture media, evaluating ... -
Efficient Conversion of Agroindustrial Waste into D(-) Lactic Acid by Lactobacillus delbrueckii Using Fed-Batch Fermentation
Beitel, Susan Michelz; Coelho, Luciana Fontes ; Contiero, Jonas (BioMed Research International, 2020) [Artigo]
Purpose. The goal of this paper is to describe the green conversion of agricultural waste products, such as molasses and corn steep liquor, into large amounts of D(-) lactic acid using a facilitated multipulse fed-batch ... -
Lack of fungal cultivar fidelity and low virulence of Escovopsis trichodermoides
Bizarria, Rodolfo; Nagamoto, Nilson Satoru ; Rodrigues, Andre (Fungal Ecology, 2020) [Artigo]
Fungus-growing ants (the attines) are a paramount example of symbiosis, practicing fungiculture for food. Fungi in the genus Escovopsis (Ascomycota: Hypocreales) threaten the ant fungal cultivars and show patterns of ... -
Minimum Lignin and Xylan Removal to Improve Cellulose Accessibility
Shimizu, Felipe Lange; de Azevedo, Gabriel Oliveira ; Coelho, Luciana Fontes ; Pagnocca, Fernando Carlos ; Brienzo, Michel (Bioenergy Research, 2020) [Artigo]
The lignocellulosic biomass, such as provided by the sugarcane, is an abundant source of raw materials for energy production. Milling and pretreatments can be employed to alter the structure of the materials, remove lignin, ... -
Detoxification of sugarcane bagasse hydrolysate with different adsorbents to improve the fermentative process
Candido, João Paulo; Claro, Elis Marina Turini ; de Paula, Carolina Bilia Chimello ; Shimizu, Felipe Lange ; de Oliveria Leite, Dilza Aparecida Nalin ; Brienzo, Michel ; de Angelis, Dejanira de Franceschi (World Journal of Microbiology and Biotechnology, 2020) [Artigo]
Second generation ethanol has the prospect of becoming an important bioenergy alternative. The development of this technology is associated with the lignocellulosic materials' use, with emphasis on agricultural and ... -
Selective isolation of agents of chromoblastomycosis from insect-associated environmental sources
(Fungal Biology, 2020) [Artigo]Chromoblastomycosis is a neglected disease characterized by cutaneous, subcutaneous or disseminated lesions. It is considered an occupational infectious disease that affects mostly rural workers exposed to contaminated ... -
Biocatalytic benefits of immobilized Fusarium sp. (GFC) lipase from solid state fermentation on free lipase from submerged fermentation
de Oliveira, Bruno Henrique; Coradi, Gilberto Victor ; de Oliva-Neto, Pedro ; do Nascimento, Valeria Marta Gomes (Industrial Crops and Products, 2020) [Artigo]
Lipases are promising tools for the synthesis of high value-added compounds and have traditionally been obtained from submerged fermentation processes (SmF). However, solid-state fermentation (SSF) allows linking the ... -
Evaluation of two different carriers in the biodegradation process of an azo dye 09 Engineering 0907 Environmental Engineering
; Corso, Carlos Renato; (Journal of Environmental Health Science and Engineering, 2019) [Artigo]
Purpose: The MBBR solution has been applied for the textile wastewater treatment. However, in order to develop cost-effective solutions, waste biomass can be used as carrier. Rice husks are agricultural waste which have ... -
Salt-tolerant α-arabinofuranosidase from a new specie Aspergillus hortai CRM1919: Production in acid conditions, purification, characterization and application on xylan hydrolysis
Terrone, Cárol Cabral; Montesino de Freitas Nascimento, Juliana ; ; Brienzo, Michel ; Carmona, Eleonora Cano (Biocatalysis and Agricultural Biotechnology, 2020) [Artigo]
Hemicelluloses are mainly branched heteropolysaccharides composed by xylose, arabinose, mannose, galactose, rhamnose and glucose. The main hemicellulose is xylan, a structure composed by xylose main chain branched with ...