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  • 1
    Electronic Resource
    Electronic Resource
    Biotyping of aerobic actinomycetes by modified killer system (1988)
    Springer
    European journal of epidemiology 4 (1988), S. 99-103 
    Details
    ISSN: 1573-7284
    Keywords: Aerobic actinomycetes ; Killer yeasts ; Biotyping system
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Forty-four yeasts belonging to the genera Pichia, Candida, Saccharomyces and Kluyveromyces were tested for their potential killer effect on 13 aerobic actinomycetes (6 Nocardia asteroides, 1 N. brasiliensis, 1 N. caviae and 5 Actinomadura madurae). Only a few yeast strains did not display any killer activity against the aerobic actinomycetes studied, thus confirming that the killer phenomenon is widespread among microorganisms. For epidemiological purposes, a killer system was developed. According to their susceptibility to the 9 killer yeasts chosen, it was possible to differentiate the Nocardia and Actinomadura isolates into biotypes. Fitting conditions of the killer system to potential sensitive microorganisms with different characteristics of growth are also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00152699
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Biotyping of bacterial isolates using the yeast killer system (1989)
    Springer
    European journal of epidemiology 5 (1989), S. 303-310 
    Details
    ISSN: 1573-7284
    Keywords: Yeast killer phenomenon ; Bacterial biotyping ; Epidemiological markers
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Forty-four presumptive killer yeasts were tested against bacterial isolates, including rapid-growing gram-positive and gram-negative bacteria, as well as slow-growing bacteria, such as the mycobacteria. A killer system, based on the patterns of bacterial susceptibility to the action of nine selected killer yeasts, was developed for epidemiological purposes. The killer system, previously standardized for yeasts and hyphomycetes, was adapted to the specific growth conditions of the bacterial isolates. The results obtained confirm that susceptibility to the yeast killer phenomenon is widespread among microorganisms unrelated to yeasts and that it could form the basis for a convenient and adaptable biotyping method in microbiological laboratories.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00144830
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Epidemiological and clinical aspects of mycoses in patients with aids-related pathologies (1990)
    Springer
    European journal of epidemiology 6 (1990), S. 398-403 
    Details
    ISSN: 1573-7284
    Keywords: AIDS ; HIV ; Mycoses ; Biotyping ; Epidemiology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Mycological, cultural and/or serological studies were performed on 98 patients hospitalized in the Department of Infectious Diseases of the Catholic University in Rome with diagnoses of acquired immune deficiency syndrome (AIDS) or AIDS-related complex (ARC) diseases. The incidence of mycoses was evaluated by retrospectively analyzing the results of mycological examinations and comparing them with clinical manifestations. The presence of concomitant bacterial, viral and parasitic infections was also examined. For epidemiological purposes, the study was extended to include the biotyping of all yeasts isolated from patients hospitalized between September 1988 and February 1989 in the same Department. Antimycotic susceptibility was also determined for the first yeast isolate obtained from each of these patients. Oral candidiasis (50 cases) caused by Candida albicans was the most frequent mycosis, followed by esophageal candidiasis (13 cases) and cryptococcosis (6 cases). Four out of the 6 cryptococcosis patients had meningeal involvement. Systemic candidiasis (2 cases) and aspergillosis (1 case) were less common. Biotyping of yeasts isolated between September 1988 and February 1989 with the killer system revealed type 377 to be the most common among the C. albicans isolates. It represented 70% of all the yeasts isolated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00151714
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    Paper (German National Licenses)
    Fulltext
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