Microbial Biotechnology
Mostrando 1-12 de 30 artigos, teses e dissertações.
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1. Study of Viability of Solid-Phase Microextraction, in vivo, in the Extraction of Microbial Volatile Organic Compounds Associated to the Pigment Production Process by the Monascus Fungus, in Submerged Fermentation
Microbial volatile organic compounds (MVOCs) are present in several production processes in biotechnology. In this study it is evaluated the viability of use of a method involving solid-phase microextraction (SPME), in vivo SPME, in the extraction of MVOCs, associated with the pigment production process by the Monascus fungus. PDMS/Car/DVB (50/30 µm) fiber
J. Braz. Chem. Soc.. Publicado em: 2017-06
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2. A biotechnology perspective of fungal proteases
Proteases hydrolyze the peptide bonds of proteins into peptides and amino acids, being found in all living organisms, and are essential for cell growth and differentiation. Proteolytic enzymes have potential application in a wide number of industrial processes such as food, laundry detergent and pharmaceutical. Proteases from microbial sources have dominated
Braz. J. Microbiol.. Publicado em: 2015-06
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3. Application of MALDI-TOF MS for requalification of a Candida clinical isolates culture collection
Microbial culture collections underpin biotechnology applications and are important resources for clinical microbiology by supplying reference strains and/or performing microbial identifications as a service. Proteomic profiles by MALDI-TOF MS have been used for Candida spp. identification in clinical laboratories and demonstrated to be a fast and reliable t
Braz. J. Microbiol.. Publicado em: 25/07/2014
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4. Tank bromeliad water: similar or distinct environments for research of bacterial bioactives?
The Atlantic Rainforest does not have a uniform physiognomy, its relief determines different environmental conditions that define the composition of its flora and fauna. Within this ecosystem, bromeliads that form tanks with their leaves hold water reservoirs throughout the year, maintaining complex food chains, based mainly on autotrophic and heterotrophic
Braz. J. Microbiol.. Publicado em: 2014
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5. Silver nanoparticle production by the fungus Fusarium oxysporum: nanoparticle characterisation and analysis of antifungal activity against pathogenic yeasts
The microbial synthesis of nanoparticles is a green chemistry approach that combines nanotechnology and microbial biotechnology. The aim of this study was to obtain silver nanoparticles (SNPs) using aqueous extract from the filamentous fungus Fusarium oxysporum as an alternative to chemical procedures and to evaluate its antifungal activity. SNPs production
Mem. Inst. Oswaldo Cruz. Publicado em: 2013
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6. Análise transcricional dos genes envolvidos na nodulação e predição in silico de microRNAs em raízes de soja inoculadas com a estirpe CPAC 15 de Bradyrhizobium japonicum
A fixação biológica de nitrogênio é um processo de grande importância para a cultura da soja, capaz de suprir toda sua demanda de nitrogênio, necessário para a síntese de biomoléculas. Entretanto, para que os nódulos sejam formados todas as etapas devem ser estreitamente coordenadas por uma série de sinais moleculares entre a planta e a bactéria
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/03/2012
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7. Avaliação da atividade antimicrobiana de ramnolipídeos sobre Listeria monocytogenes / Antimicrobial activity of rhamnolipids against Listeria monocytogenes
The rhamnolipids (RL) are biodegradable biosurfactants which have low toxicity and surface activity properties that can be useful for food processing industries. The objective of this study was to evaluate the susceptibility of Listeria monocytogenes with two rhamnolipids products: the rhamnolipid from P. aeruginosa LBI that was produced and purified in the
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 16/02/2012
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8. Uso de ferramentas moleculares em estudos da diversidade de microrganismos do solo.
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Planaltina: Embrapa Cerrados. Publicado em: 2011
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9. Plantas transgênicas e a microbiota do solo.
ABSTRACT: Soil micro-organisms represent a key hole in the nutrient cycle and in the maintenance of the fertility, besides execute another variety of important functions for the plants and the environment. With the possibility of the transgenic crops to cause negative impacts on the soil microbial communities, emerge the necessity to deep evaluate the real e
Planaltina. Publicado em: 2011
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10. Bioindicadores de qualidade do solo avaliados em diferentes profundidades sob plantio direto e convencional
Quantitative and qualitative studies of the microbiota show the changes in an agroecosystem, because of the management systems. Several studies have concluded that no-tillage (NT) is the agricultural management system that best preserves the quality of soil in relation to the PC. However, in most studies related to management system calculations are expresse
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/01/2010
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11. Caracterização de comunidades microbianas relacionadas ao metabolismo de hidrocarbonetos leves presentes em amostras de solo. / Characterization of microbial communities involved in short-chain alkane metabolism in soil samples.
Solos apresentam hidrocarbonetos gasosos em quantidades variáveis e acredita-se que as formações de reservatórios de óleo podem ser detectáveis indiretamente utilizando-se bactérias no solo capazes de degradá-los. O presente estudo teve como objetivo caracterizar comunidades microbianas envolvidas com o metabolismo desses hidrocarbonetos. As amostras
Publicado em: 2010
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12. Biofilm formation by atypical enteropathogenic Escherichia coli. / Formação de biofilme por Escherichia coli enteropatogênica atípica.
The atypical Escherichia coli enteropathogenic (EPECa) are capable to cause the lesion A/E and they dont transport the pEAF. Microbial biofilms are defined as complex communities formed by microrganisms adhered to surfaces embedded in an exopolysacharidic matrix. The objective of this study was to verify the capacity of formation of biofilm of 92 strains of
Publicado em: 2010