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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Mycopathologia 111 (1990), S. 55-59 
    ISSN: 1573-0832
    Keywords: Aflatoxins ; dried-fish ; fungi ; salt-preservation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The mycoflora of dried-salted fish from markets in Kandy, Sri Lanka was studied with emphasis on visibly spoiled dried fish. A total of 61 fungal isolates from 25 dried-fish were isolated and identified. The most prevalent fungus wasAspergillus niger. Species ofAspergillus flavus, A. fumigatus, A. glaucus, A. restrictus, Aureobasidium spp.Basipetospora halophila (a genuinely halophilic fungus)Cladosporium herbarum, Gliomastix, spp.,Penicillium chalybeum andPenicillium expansum were present. The isolated fungi did not grow in synthetic media containing more than 30% sodium chloride.Aureobasidium spp. andGliomastix spp. did not grow on dried-fish under laboratory conditions. The protective exoskeleton appeared to prevent fungal growth on dried shrimp. TheA. flavus strains isolated were not aflatoxigenic.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-0832
    Keywords: Aflatoxin ; broad bean ; cultivars ; fungi ; hybrid ; mycotoxins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract One hundred different cultivars and lines of broad bean (Vicia faba L.) seed samples were inoculated with Aspergillus flavus Link (CMI 102135) to determine varietal differences which may support or resist aflatoxin production. Thin-layer chromatographic analysis of the chloroform extracts of the different seed samples revealed that 11 cultivars/lines were highly resistant to seed invasion and aflatoxin production while 9 cultivars/lines showed partial resistance. The remaining 80 samples were susceptible to the establishment of A. flavus and aflatoxin accumulation. All the resistant cultivars/lines seed samples were inoculated also with three local isolates of fungi namely; Stachybotrys chartarum (Ehrenb. ex Link) Hughes, Aspergillus ochraceus Wilhelm, and Fusarium oxysporum Schlecht. The resistant seed samples were also resistant for colonization with these fungi and mycotoxin formation.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Mycopathologia 118 (1992), S. 103-107 
    ISSN: 1573-0832
    Keywords: Soil ; fungi ; truffle ; Tirmania nivea ; T. pinoyi ; Terfezia boudieri ; T. claveryi ; Helianthemum lippi ; Saudi Arabia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Soil fungi of areas in the North-Eastern region of Saudi Arabia where truffles are native were surveyed. Forty-three species of fungi belonging to twenty genera were isolated. Most were recovered from soils underneath or around truffle ascocarps: thirty species from soil under the surface of Tirmania nivea ascocarps, twenty-four from Terfezia boudieri soil and twenty species each from Tirmania pinoyi and Terfezia claveryi soils. Rhizosphere soil of Helianthemum lippi, on the other hand, yielded twenty-four fungal species while only fourteen fungal species were found in soil without vegetation. The total counts of fungi/g soil were highest in soils from the under surface of truffles, followed by rhizosphere soil, with the lowest in soils without vegetation.
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  • 4
    ISSN: 1573-0832
    Keywords: dermatophyte ; drug resistance ; fungi ; griseofulvin resistance ; tioconazole resistance ; Trichophyton rubrum
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The in vitro susceptibility of three clinicalTrichophyton rubrum isolates to griseofulvin and tioconazole, determined by the minimal inhibitory concentration (MIC), was 2 and 0.5 to 1.0μg/ml, respectively. One mutant (gril) obtained after mutagenic treatment of one of these isolates was selected and showed simultaneous resistance to griseofulvin (MIC 〉 2000μg/ml) and tioconazole (MIC=1.0μg/ml). The clinical importance and the possibility of a multidrug resistance (MDR)-type mechanism being involved in this event is discussed.
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  • 5
    ISSN: 1573-0832
    Keywords: Castellani ; preservation in water ; fungi
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Five-hundred ninety-four strains of fungi were studied. They were found being preserved with Castellani's method with distilled water during 1 to 20 years. 62% of the strains (n = 368) did grow when subcultured and maintained their main morphological features. 90% of the 20 years old strains of different species were viable. It is argued that the technique of introduction of the strains into the water and their optimal condition will determine survival. The Castellani's method is recommended as easy, cheap and satisfactory for preservation of most species of fungi.
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Mycopathologia 141 (1998), S. 111-114 
    ISSN: 1573-0832
    Keywords: Cave cricket ; fungi ; Mucor ; M. troglophilus ; Troglophilus neglectus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract By using different techniques and media, microfungi were isolated from cadavers of the cave cricket Troglophilus neglectus, collected on the walls of a Slovenian cave. The isolated mycobiota was consistently different for adult and larval stages of T. neglectus cadavers. Fungi isolated with the highest frequency from the larval stage were represented by five different species of the genus Mucor, the prevailing one being a newly described species, M. troglophilus. The dominating fungus isolated from the adult stage was the well-known fungal entomopathogen Beauveria bassiana. The other isolated fungi were mainly primary and secondary saprotrophic colonizers.
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  • 7
    ISSN: 1573-0832
    Keywords: l-glutamine ; fructose-6-phosphate amidotransferase ; Candida albicans ; fungi ; Saccharomyces cerevisiae ; Schizosaccharomyces pombe ; systemic mycoses chemotherapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The 3' part of the glucosamine-6-phosphate synthase gene from Histoplasma capsulatum was PCR amplified using degenerate primers designed from the known glucosamine-6-phosphate synthase gene sequences, cloned and sequenced. The computer analysis of the 676 bp sequence revealed the presence of two introns. The identities of the deduced amino acid sequence to the corresponding Saccharomyces cerevisiae and Candida albicans fragment are 65 and 63.8%, respectively.
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  • 8
    ISSN: 1573-0832
    Keywords: ecological factors ; keratinophilic ; poultry soil ; fungi
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Investigations were conducted to assess the ecological factors governing distribution and survival of keratinophilic fungi in poultry farm soils. All the poultry farm soils were rich in humus and the keratinophilic fungi were generally found to be proportional to the soil organic matter. These soils were nearly neutral to weakly alkaline and organically rich with a high content of organic carbon, nitrogen, phosphorus, potassium, magnesium, calcium and iron.
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  • 9
    ISSN: 1573-0832
    Keywords: hospital infections ; fungi ; yeasts ; epidemiology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Fungal opportunistic infections are a danger for immunocompromised hosts, such as patients with malignancies, especially in a hospital environment. We studied a group of patients with solid tumors of the respiratory tract on admission and after twenty days of hospitalization. Colonization by moulds and/or yeasts was frequently found. Preventive measures should be applied to avoid colonization inside the hospital. The importance of overcrowding, sanitation and diet is pointed out.
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  • 10
    ISSN: 1573-0832
    Keywords: mixed poultry feeds ; fungi ; Aspergillus flavus ; aflatoxins
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A survey was carried out in Reunion island to obtain data on the occurrence of fungi, aflatoxigenic strains of Aspergillus flavus, aflatoxins, total aerobic bacteria and salmonellae of 150 samples of mixed poultry feeds and raw materials. These were collected at five farms over a 3-month period during the warm rainy season. White corn and Brazilian soybean meal seemed to present a better microbiological quality than yellow corn and US soybean meal. Mixed poultry feeds presented a high total mold count reflecting the mold flora of raw materials. The most frequent and abundant fungi were Aspergillus flavus, A. glaucus group, Fusarium spp., Penicillium spp., A. candidus, Mucor spp., A. restrictus, Scopulariopsis spp., Cladosporium spp. and A. versicolor. Of the 118 A. flavus strains screened, 42 (35.6%) were aflatoxigenic. Yellow corn samples were the most frequently contamined with aflatoxigenic strains (54.5%), followed by mixed feeds (44%). Of the 66 samples tested, 24 (36%) contained aflatoxins (traces to 22 ng/g). A good correlation seemed to exist between presence of at least one aflatoxigenic strain per sample and presence of aflatoxins.
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