Results 251 to 260 of about 62,835 (283)
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Characterization of the velvet regulators in Aspergillus flavus
Journal of Microbiology, 2018Fungal development and secondary metabolism are closely associated via the activities of the fungal NK-kB-type velvet regulators that are highly conserved in filamentous fungi. Here, we investigated the roles of the velvet genes in the aflatoxigenic fungus Aspergillus flavus. Distinct from other Aspergillus species, the A.
Tae-Jin Eom +4 more
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Isolation of aminopeptidase from Aspergillus flavus
Biochimica et Biophysica Acta (BBA) - Protein Structure, 1976A mixture of aminopeptidase and neutral protease from the Aspergillus flavus mold obtained by chromatography on DEAE-Sephadex was fractionated by chromatography on the hydroxyalkyl methacrylate gel with chemically bonded 1,6 hexamethylene diamine and D-leucine. Aminopeptidase thus obtained was electrophoretically homogeneous.
J. Čoupek, J. Turková, O. Valentová
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New metabolites of Aspergillus flavus
Tetrahedron, 1969Abstract Two pigments have been isolated from a yeast culture of A. flavus. One of these is identical with a tetrahydroxy-anthraquinone previously isolated from A. versicolor, the other being versicolorin C. The culture medium also yielded small amounts of aflatoxins M1 and GM1 and also a new compound, designated aflatoxin B3, and for which a ...
J.G. Heathcote, Michael F. Dutton
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ONYCHOMYCOSIS DUE TO ASPERGILLUS FLAVUS
Archives of Dermatology, 1941Organisms of the aspergillus group are generally regarded as saprophytes. Under certain conditions, however, they may acquire pathogenic properties and become capable of infecting the ear, lung and other parts of the body. There are a few recorded instances of diseased nails attributed to various types of aspergilli or related fungi.
Harry Keil, Eugene S. Bereston
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Communicating Hydrocephalus Caused by Aspergillus flavus
Southern Medical Journal, 1980A patient with a past history of sporadic parenteral drug abuse had communicating hydrocephalus associated with arachnoiditis over the lumbar spinal cord. The diagnosis of aspergillosis was made by a newly described immunofluorescent staining procedure and was later confirmed by culture.
A. F. Disalvo +4 more
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Renal Aspergilloma Due to Aspergillus flavus
Clinical Infectious Diseases, 1995Renal aspergillomas have been reported only rarely. We report a case of Aspergillus flavus colonization of the renal pelvis and upper ureter of a patient with concomitant urinary schistosomiasis. The diagnosis was based on the demonstration of characteristic hyphal elements on direct microscopy and isolation of the fungus in culture.
Tulsi D. Chugh +6 more
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Bacterial Antagonists of Aspergillus flavus
Biocontrol Science and Technology, 1995In order to search for bacteria capable of reducing the aflatoxin contamination of cottonseed, 892 indigenous bacterial isolates, including 11 that were endophytic to cotton, were screened for their ability to inhibit the growth of Aspergillus flavus on cottonseed in an in vitro bioassay.
D. M. Decianne +2 more
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Extracellular polysaccharide of Aspergillus flavus
Collection of Czechoslovak Chemical Communications, 1981A crude extracellular polysaccharide was isolated by precipitation with ethanol from the culture medium of Aspergillus flavus, where the sole carbon source was D-galactose; purification afforded a homogeneous water-soluble polysaccharide in 0.05% yield on the weight of the employed carbon source. This polysaccharide had the relative molar weight 55 000
Jozef Rosík, Alžbeta Kardošová
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Ultrastructure of conidiophores in Aspergillus flavus
Transactions of the British Mycological Society, 1974The ultrastructure of the conidiophore and vesicle of Aspergillus flavus Mich, ex Fr. was examined during the processes of maturation and ageing. The conidiophore wall is two-layered, and the outer layer is ornamented with spines. The spines, which seem to be an elaboration of the outer layer, vary in size and shape.
Dubravka Bojović-Cvetić +1 more
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Investigation of Aspergillus flavus in animal virulence
Toxicon, 2018Aspergillus flavus is a common fungal pathogen of plants, animals and humans. Recently, many genes of A. flavus have been reported involving in regulation of pathogenesis in crops, but whether these genes are involved in animal virulence is still unknown. Here, we used a previous easy-to-use infection model for A.
Huahui Lan +8 more
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