Metabolism Microbiology
Mostrando 1-12 de 12 artigos, teses e dissertações.
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1. Construção de biossensor para detecção de compostos BTEX baseado em fosfatase alcalina sob regulação xylR/Pu e avaliação de sua regulação metabólica. / Construction of a biosensor for BTEX compounds detection based on alkaline phosphatase in regulation xylR/Pu and evaluation of its metabolic regulation.
Este projeto teve como objetivo a construção de biosensores para a detecção de compostos monoaromáticos do grupo BTEX a partir dos componentes da via de degradação de compostos monoaromáticos codificada no plasmídeo TOL de Pseudomonas putida, mais precisamente: o promotor Pu e a proteína reguladora XylR, que ativa o promotor Pu após a ligação ao
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 21/06/2011
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2. 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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3. Physiological, biochemical and microbiological responses of minimally processed and whole beet roots submitted to postharvest treatments / Respostas fisiológicas, bioquímicas e microbiológicas de beterrabas minimamente processadas e inteiras submetidas a tratamentos pós-colheita
The purpose of the present work was to evaluate physiological, biochemical and, microbiological aspects of Early Wonder whole and minimally processed beet roots submitted to different treatments. The following treatments were applied: ethylene (1000µL L-1), 1-MCP (300nL L-1) and, salicylic acid (500mg L-1). After treatments, beet roots were stored at 5oC du
Publicado em: 2008
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4. In vitro evaluation of the antimicrobial activity of Castor-oil based irrigants / Avaliação in vitro da atividade antimicrobiana de ésteres orgânicos derivados de óleo de mamona
The accumulation and metabolism of microorganisms in the mouth are considered the main causes of the caries, periodontal diseases, endodontic infections, periimplantar infections and stomatitis. Solutions with antimicrobial activity, together with mechanical therapies, can be used in the treatment of periodontal diseases and endodontic infection to eliminate
Publicado em: 2008
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5. Reatividade antigênica entre Phytomonas serpens E Trypanosoma cruzi : uma análise proteômica
The genus Phytomonas comprises trypanosomatids that can parasitize a broad range of plant species and are responsible for important phytopatologies resulting in great economic losses. Phytomonas serpens, a trypanosomatid that parasitize tomato, is transmitted among plants by phytofagous insects. Previous studies in our laboratory showed that P. serpens prese
Publicado em: 2006
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6. Estudo sobre fontes de proteína de origem animal e vegetal em dietas para leitões em período de creche / Research about sources of animal and vegetal origin protein in diets for piglets in nursery period
A pesquisa foi conduzida no Setor de Suinocultura do Centro de Ciências Agrárias do Departamento de Zootecnia da Universidade Federal do Ceará. O experimento teve a duração de 42 dias e foi realizado com o objetivo de avaliar o desempenho zootécnico, a histomorfometria intestinal, o perfil microbiológico fecal, a ocorrência de diarréia, os indicador
Publicado em: 2005
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7. Electrical impedance measurements: rapid method for detecting and monitoring microorganisms.
A conceptually simple and east-to-use technique is described that uses continuous impedance measurements for automated monitoring of microbial growth and metabolism. The method has been applied to a wide range of microorganisms. Optical clarity is not required. The sensitivity and reproducibility of the method are demonstrated. The mechanism whereby microbia
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8. Cellulose Catabolism by Clostridium cellulolyticum Growing in Batch Culture on Defined Medium
A reinvestigation of cellulose degradation by Clostridium cellulolyticum in a bioreactor with pH control of the batch culture and using a defined medium was performed. Depending on cellulose concentration, the carbon flow distribution was affected, showing the high flexibility of the metabolism. With less than 6.7 g of cellulose liter−1, acetate, ethanol,
American Society for Microbiology.
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9. Metabolic Engineering of Poly(3-Hydroxyalkanoates): From DNA to Plastic
Poly(3-hydroxyalkanoates) (PHAs) are a class of microbially produced polyesters that have potential applications as conventional plastics, specifically thermoplastic elastomers. A wealth of biological diversity in PHA formation exists, with at least 100 different PHA constituents and at least five different dedicated PHA biosynthetic pathways. This diversity
American Society for Microbiology.
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10. The bkdR gene of Pseudomonas putida is required for expression of the bkd operon and encodes a protein related to Lrp of Escherichia coli.
Branched-chain keto acid dehydrogenase is a multienzyme complex which is required for the metabolism of the branched-chain amino acids in Pseudomonas putida. The structural genes encoding all four proteins of the bkd operon have been cloned, and their nucleotide sequences have been determined (G. Burns, K. T. Madhusudhan, K. Hatter, and J. R. Sokatch, p. 177
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11. Role of an Essential Acyl Coenzyme A Carboxylase in the Primary and Secondary Metabolism of Streptomyces coelicolor A3(2)
Two genes, accB and accE, that form part of the same operon, were cloned from Streptomyces coelicolor A3(2). AccB is homologous to the carboxyl transferase domain of several propionyl coezyme A (CoA) carboxylases and acyl-CoA carboxylases (ACCases) of actinomycete origin, while AccE shows no significant homology to any known protein. Expression of accB and a
American Society for Microbiology.
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12. Comparative Study of Streptococcus mutans Laboratory Strains and Fresh Isolates from Carious and Caries-Free Tooth Surfaces and from Subjects with Hereditary Fructose Intolerance
This study was undertaken to investigate and compare some biochemical and physiological properties related to sugar metabolism of 4 laboratory strains and 13 freshly isolated strains of Streptococcus mutans from carious and caries-free tooth surfaces and from subjects with hereditary fructose intolerance. Growth in Trypticase (BBL Microbiology Systems)-yeast