Aspergillus flavus
Occurrence of toxigenic Aspergillus flavus in commercial Bulgur wheat
... Each sample was analyzed by the method of serial dilution for molds and for A. flavus and A. parasiticus enumeration, as described by Pitt & Hocking (1997). To accomplish this, 20 g of each sample was ...
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Produção de aflatoxinas e ácido ciclopiazônico por cepas de Aspergillus flavus isoladas de amendoim.
... RESUMO: Aspergillus flavus é um fungo filamentoso que pode produzir aflatoxinas e ácido ciclopiazônico, sendo que a presença dessas micotoxinas em alimentos e rações pode levar a um efeito tóxico no homem e ...
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Ação fungitóxica do óleo essencial de Tanaecium nocturnum (Barb. Rodr.) Bur. e K. Shum sobre o Aspergillus flavus isolado da castanha-do-Brasil (Bertholletia excelsa).
... Apesar de neste trabalho a produção de aflatoxina não ter sido avaliada, pesquisadores comprovam uma forte influência da reprodução e do crescimento micelial do fungo com a presença dessa micotoxina. De acordo com ...
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Aplicação de biofungicidas no controle do fungo Aspergillus flavus L. em amendoim (Arachis hypogaea)
... Este trabalho teve como objetivo geral avaliar a viabilidade técnica da aplicação de biofungicidas extraídos de plantas no processamento de amendoim (Arachis hypogaea L.), de modo a reduzir a infestação pelo fungo ...
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Efeitos da radiação gama no crescimento de aspergillus flavus produtor de aflatoxinas...
... com Aspergillus flavus Link produtor de aflatoxinas; demonstrar a aplicação da técnica da Reação em Cadeia da Polimerase (PCR) no diagnóstico de ...A. flavus, bem como verificar o efeito da radiação ...
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Bisulfite sequencing reveals that Aspergillus flavus holds a hollow in DNA methylation.
... Aspergillus flavus first gained scientific attention for its production of ...A. flavus remains to be ...of Aspergillus uncovers its close relationship with RID-like enzymes as well as its ...
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Crescimento de Aspergillus flavus e produção de aflatoxina em grãos de milho armazenados sob diferentes temperaturas
... Aflatoxina é um termo coletivo para um grupo de toxinas produzidas por algumas cepas de Aspergillus flavus e Aspergillus parasiticus, entre outros, durante o crescimento destes em substrato favorável ...
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Genetic diversity of environmental Aspergillus flavus strains in the state of São Paulo, Brazil by random amplified polymorphic DNA
... Aflatoxins constitute a group of low molecular weight compounds known to be extremely toxic to animals and man (Bennett & Klich 2003). They are secondary me- tabolites produced mainly by Aspergillus ...
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Toxigenic potential of Aspergillus flavus tested in different culture conditions
... an Aspergillus flavus isolate on CYA and YES media, and that aflatoxin production reached the maximum rate at the end of 15 days ...A. flavus and ...
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Interação entre fungos toxigênicos (Aspergillus flavus e Fusarium verticillioides)...
... de Aspergillus flavus e Fusarium verticillioides e a conseqüente produção de ...A. flavus – Lado A); G3 (milho + A. flavus + caruncho – Lado A); G4 (milho + ...A. flavus + ...
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Estudos bioquímicos e determinação da especificidade da peptidase produzida pelo fungo Aspergillus flavus
... fungus Aspergillus flavus, through two processes, solid and submerged fermentation, using wheat bran and complex media, ...fungus Aspergillus flavus proved to be a good producer of peptidases ...
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Desenvolvimento de um método de PCR específico para detecção de Aspergillus Flavus aflatoxigênico em grãos brasileiros
... as Aspergillus flavus. Contamination by A. flavus affects exportation, leading to large economic losses in countries such as ...A. flavus, isolated from Brazil nut and cashew nut in seven ...
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Copper induction and differential expression of laccase in Aspergillus flavus
... Laccases have been discovered and studied since the nineteenth century, they occur in bacteria, various plant parts and insects, but the majority is found in higher fungi, these laccases are produced by fungi which cause ...
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Synthesis, characterization and antifungal activity of quaternary derivatives of chitosan on Aspergillus flavus
... ric titration techniques and their antifungal activities on the mycelial growth of Aspergillus flavus were investigated in vitro. The antifungal activities increase with DS and the more substituted ...
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Avaliação da atividade antifúngica do óleo essencial de Pittosporum undulatum L. em Aspergillus flavus e produção de aflatoxina Rosane Tamara da Silva Medeiros1 , Edlayne Gonçalez1 , Roberto Carlos Felicio2 , Joana D´arc Felicio
... Aspergillus flavus is a spoiling mould and aûatoxins producer that reduces the nutritive values of foods becoming them unût for human ...A. flavus growth by essential oils has already been reported ...
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Influence of lignin content in soybean seed coat on the incidence of the storage fungus Aspergillus flavus
... fungus Aspergillus flavus, on the physical and physiological quality, and on the seed health, during 180 days storage period, under cold chamber with controlled conditions of temperature and ...fungus ...
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TIME COURSE OF VIRUS-LIKE PARTICLES (VLPS) DOUBLE-STRANDED RNA ACCUMULATION IN TOXIGENIC AND NON-TOXIGENIC STRAINS OF ASPERGILLUS FLAVUS
... of Aspergillus flavus, non-toxigenic NRRL 6550 and toxigenic NRRL 5940, were studied over a period of 44 days, in order to detect the presence of virus-like particles (VLPs) by means of electron microscopy ...
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Biotransformation of sucrose into 5-hydroxy-2-hydroxymethyl-γ -pirone by Aspergillus flavus
... of Aspergillus flavus IOC 3974 cultivated in liquid Czapeck ...A. flavus produced an invertase capable of hydrolyzing 65% of total sucrose concentration in 24h, and an isomerase capable of converting ...
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ASSESSMENT OF THE ANTIFUNGAL ACTIVITY OF Spirulina platensis PHENOLIC EXTRACT AGAINST Aspergillus flavus
... in Aspergillus flavus, in order to identify its action on fungal ...against Aspergillus flavus, inhibiting the glucosamine production up to ...
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Atividade do óleo essencial de Cymbopogon winterianus Jowitt ex Bor contra Candida albicans, Aspergillus flavus e Aspergillus fumigatus
... The target of polyene antifungal agents is the fungal membrane, on which they act directly. Amphotericin B binds to ergosterol, and this interaction leads to the formation of aqueous pores consisting of an annulus of ...
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