Penicillium Brasilianum
Mostrando 1-9 de 9 artigos, teses e dissertações.
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1. Copper and Manganese Cations Alter Secondary Metabolism in the Fungus Penicillium brasilianum
The fungus Penicillium brasilianum LaBioMMi 136 was isolated as an endophyte from Melia azedarach and has shown to be a prominent producer of great diversity of secondary metabolites, although it does not express some biosynthetic routes to other natural compounds found in Penicillium genera. The present study aimed at the diversification of P. brasilianum s
J. Braz. Chem. Soc.. Publicado em: 2016-08
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2. Experimental Design Applied to the Optimization and Partial Characterization of Pectin Liase from a Newly Isolated Penicillium brasilianum
Penicillium brasilianum was previously isolated from tea and identified by molecular biology technique. A Plackett-Burman design, followed by a complete second order design was used for the screening of most important factors and to maximize the pectin liase (PMGL) activity, respectively. The maximum PMGL activity by P. brasilianum achieved was 9.0 U/mL afte
Braz. arch. biol. technol.. Publicado em: 2014-12
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3. Estudo de alterações metabólicas nos fungos endofíticos Penicillium brasilianum e Penicillium griseoroseum / Studies related to metabolism modification with endophytic fungi penicillium brasilianum and penicillium griseoroseum
Microorganisms, known as being relatively simple, have shown a great adaptation power to different nutritional situations by changing their metabolism with lack or supply of nutrients in the culture medium. This feature allows a wide range of the use of microorganisms to produce metabolites with several interests. This study has been named OSMAC (One Strain
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/08/2011
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4. Austin, dehydroaustin and other metabolites from Penicillium brasilianum
A culture of P. brasilianum, isolated from soil collected at the Serra do Cipó National Park, in Minas Gerais State (Brazil), was grown for 25 days on a dextrose-peptone-salts medium. The corresponding ethylacetate extract was column chromatographed and four compounds were isolated: austin, dehydroaustin, D-mannitol and penicillic acid. This is, in the best
Química Nova. Publicado em: 2010
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5. BIOPROSPECÇÃO DO POTENCIAL FARMACÊUTICO DE DUAS ESPÉCIES DE FUNGOS DO SOLO DO CERRADO MINEIRO / BIOPROSPECÇÃO DO POTENCIAL FARMACÊUTICO DE DUAS ESPÉCIES DE FUNGOS DO SOLO DO CERRADO MINEIRO
Produtos naturais são definidos como metabólitos secundários ou derivados produzidos por organismos em resposta a um estímulo externo como mudanças nutricionais, infecções e competições. Os fungos são conhecidos como produtores de uma grande variedade de metabólitos secundários e, apesar de muitas vezes ser desconhecido o papel dessas substância
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/06/2009
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6. Estudo do potencial enzimático de micro-organismos endofíticos para a biotransformação de produtos naturais e análogos sintéticos / Study of endophitic microorganisms potential on the biotransformation of natural products
The endophytic microorganisms Penicillium griseoroseum, Penicillium brasilianum, Aspergillus flavus e Aspergillus aculeatus have shown to be very efficient in order to perform the most diferenciated biotransformation reactions. The fungi Penicillium griseoroseum has presented an elevated desmethylation selectivity of the caffeine substrate besides the desmet
Publicado em: 2009
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7. Estudos biossintéticos de amidas bis-fenilpropanoídicas produzidas pelo fungo Penicillium brasilianum, um endofítico de Melia azedarach (Meliaceae) / Biosynthetic study of phenylpropanoyl amides produced by The fungus Penicillium brasilianum, an endophyte from Melia azedarach
In the present work it was developed analytical methodologies for investigation of biosynthesis of bis-phenylpropanoyl amides, using labeled precursors in the culture medium. The effect of different nitrogen sources on the bis-phenylpropanoyl amides production was also evaluated. These amides are reported as antiparasitary compounds and they also showed acti
Publicado em: 2009
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8. Análises de meroterpenos produzidos por Penicillium brasilianum
Este trabalho descreve o uso da técnica de cromatografia líquida de alta eficiência (HPLC) acoplada com a técnica de espectrometria de massas para análise de extratos fúngicos, visando principalmente a detecção de meroterpenos, produzidos por P. brasilianum. A espécie fúngica P. brasilianum foi cultivada em diversos meios de cultura artificiais: ar
Publicado em: 2008
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9. Metabólitos secundários de Streptomyces clavuligerus ATCC 27064 e fungos endofíticos filamentosos
Este trabalho descreve a investigação química de uma parte do metabolismo secundário do actinomiceto Streptomyces clavuligerus e dos fungos endofíticos filamentosos Penicillium s.p isolado de Murraya paniculata; Penicillium brasilianum e Aspergillus aculeatus isolados de Melia azedarach e Penicillium griseoroseum isolado dos grãos de Coffea arabica. In
Publicado em: 2008