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  • Catalonia  (2)
  • Chemotaxonomy  (1)
  • Springer  (3)
  • Blackwell Publishing Ltd
  • 1
    ISSN: 1573-0832
    Keywords: α-(1–6)(1–2) mannans ; Chemotaxonomy ; Chitin ; Geophilic dermatophytes ; Glucan ; Wall material
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The main polysaccharide fractions from cell wall material of several geophilic dermatophyte species were characterized as a glucomannan (F1S) which amounted to 4.0–6.5% and a glucan-chitin complex representing 44.2–71.0%. The neutral sugar content of fraction F1S in these species was mannose (38.7–78.2%), galactose (0.3–7.3%) and glucose (3.2–8.2%) except inM. fulvum (21.9%) andE. stockdaleae (12.5%). Small proportions of xylose, about 1%, were found in this fraction except inM. fulvum which reached 7.8% and inM. nanum which lacked xylose. The main products detected after Smith degradation were glycerol and glucose. From fraction F1S ofM. fulvum a glucan (18.3%) and a mannan (41.5%) were obtained. These two polysaccharides could be used as chemotaxonomic characters for the definition of this group of fungi.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-2932
    Keywords: keratinolytic fungi ; river and marine beach sediments ; Catalonia ; Spain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Sediments from 8 river mouths of the Catalonian coast (Spain) were examined for keratinolytic fungi. Out of 1250 river and marine samples examined, 499 (39.9%) were positive for these fungi. Aphanoascus fulvescens (anamorph + teleomorph), Chrysosporium keratinophilum, Ch. tropicum, Ch. an. of Arthroderma curreyi, Ch. pannicola, Ch. europae and Ch. indicum were the predominant species in the sediments. River samples were rich in keratinolytic fungi, whereas in marine beach sediments they occurred sporadically. The results of a preliminary experiment demonstrated that, marine water exerted a dramatical impact on river keratinolytic fungi causing their total or near-total elimination. The qualitative and quantitative compositions of river keratinolytic mycoflora depended on the degree of water contamination with sewage and on natural factors (mainly temperature). The keratinolytic mycoflora of two rivers was possibly altered dramatically by water contaminants, including poisons of industrial origin, and marine salinity. The problem of public health risk resulting from the distribution of keratinolytic fungi within the highly-frequented recreational waters is discussed.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-2932
    Keywords: keratinolytic fungi ; river and marine beach sediments ; Catalonia ; Spain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Sediments from 8 river mouths of the Catalonian coast (Spain) were examined for keratinolytic fungi. Out of 1250 river and marine samples examined, 499 (39.9%) were positive for these fungi.Aphanoascus fulvescens (anamorph + teleomorph),Chrysosporium keratinophilum, Ch. tropiciun, Ch. an. ofArthroderma curreyi, Ch. pannicola, Ch. europae andCh. indicum were the predominant species in the sediments. River samples were rich in keratinolytic fungi, whereas in marine beach sediments they occurred sporadically. The results of a preliminary experiment demonstrated that, marine water exerted a dramatical impact on river keratinolytic fungi causing their total or near-total elimination. The qualitative and quantitative compositions of river keratinolytic mycoflora depended on the degree of water contamination with sewage and on natural factors (mainly temperature). The keratinolytic mycoflora of two rivers was possibly altered dramatically by water contaminants, including poisons of industrial origin, and marine salinity. The problem of public health risk resulting from the distribution of keratinolytic fungi within the highly-frequented recreational waters is discussed.
    Type of Medium: Electronic Resource
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