We investigated the antifungal activities of itraconazole and voriconazole on Aspergillus species by time kill studies, and the results were compared with those obtained for Candida species. Exposure of Aspergillus fumigatus conidia to varying concentrations (1.25 to 10 microg/ml) of itraconazole and voriconazole resulted in cellular death; the cytocidal effect was time and concentration depend...

Background and Purpose: Allergy is an undesired immune response to non-pathogenic agents. However, some opportunistic microorganisms such as fungi can also cause allergy. Among those fungi, hyphae form of Aspergillus strains including A. fumigatus, A. flavus, and A. niger could be mentioned. In this study, we aimed to separate allergic proteins from Aspergillus strains and determine their ident...

Aspergillus flavus and Aspergillus oryzae belong to Aspergillus section Flavi. They are closely related and are of significant economic importance. The former species has the ability to produce harmful aflatoxins while the latter is widely used in food fermentation and industrial enzyme production. This review summarizes the current understanding of the similarity of the A. flavus and A. oryzae...

This study was carried out to evaluate the microbial contents of chicken eggs, sold at retail outlets in Sokoto metropolis. A total of 160 eggs were collected from 16 randomly selected retail outlets, in Sokoto metropolis, for microbial evaluation. Samples were cultured and isolated using nutrient and McConkey agar for bacteria while Sabauroud dextrose agar was employed for fungus and identifie...

ASPERGILLUS: fumigatus is a ubiquitous soil fungus that causes invasive lung disease in the immunocompromised host. The structure of the conidial wall has not been well characterized although it is thought that adhesins present on the surface are involved in attachment of the conidia to host lung cells and proteins, which is a prerequisite for the establishment of infection. Negatively charged ...

background aspergillus fumigatus (af) is responsible for 90% of human infections. the lung is the predominate site of infection. it is able to colonize in respiratory tract of asymptomatic population and changed clinical features from noninvasive to invasive according to immuncomponent state of individuals. the aim of the present study was to determine the frequency of af immunoglobulin (igg) a...

Ruta graveolens L. is an herbal plant which is traditionally used as an energizer and an anti-bleeding to heal injuries. Regarding increasing prevalence of mycotoxins and inefficiency of methods used to decrease them, it is possible to use plants metabolites to decrease mycotoxins. The antifungal effect of Ruta graveolens on Aspergillus flavus and Penicillium sp. in vitro by disk and well diffu...

Artemisinin, a sesquiterpene lactone, is the active antimalarial constituent of Artemisia annua. Several fungal strains Saccharomyces cerevisiae, Aspergillus flavus, Aspergillus niger and Picchia pastoris were used to biotransform artemisinin. Among these strains, A. flavus was the only microorganism capable of transforming artemisinin to deoxyartemisinin in higher yields than the previous repo...