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  • taxonomy  (2)
  • Acridinone  (1)
  • Candida albicans  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    Relationship between thigmotropism and Candida biofilm formation in vitro (1998)
    Springer
    Mycopathologia 144 (1998), S. 125-129 
    Details
    ISSN: 1573-0832
    Schlagwort(e): biofilm ; Candida albicans ; Candida tropicalis ; saliva ; serum ; thigmotropism
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Abstract The biofilm formation of the oral fungal pathogen Candida on denture acrylic strips coated with saliva or serum was examined in relation to the ability to induce hyphae by thigmotropic reaction, using C. albicans (4 isolates), C. glabrata (3 isolates) and C. tropicalis (3 isolates). Both the degree of biofilm formation and the amount of hyphae exhibiting thigmotropism varied depending upon both the species and strains of Candida. Although there was no significant correlation between the amount of hyphae induced by thigmotropic reaction of fungal isolates and biofilm formation on uncoated control specimens (r = 0.577; p 〈 0.05), the ability of hyphae induced by thigmotropic reaction significantly correlated with the amount of both saliva- and serum-admixed biofilms (r = 0.734; p 〈 0.05 and r = 0.793; p 〈 0.01, respectively). Taken together our in vitro data suggested that the hyphal induction by thigmotropic reaction is of importance in candidal biofilm formation on saliva- or serum-coated acrylic surfaces.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1007073930933
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
    Volltext
  • 2
    Digitale Medien
    Digitale Medien
    Synthesis of 3,4-dihydro-3,3-dimethyl-1(2H)-acridinone (1995)
    Springer
    Journal of chemical crystallography 25 (1995), S. 201-203 
    Details
    ISSN: 1572-8854
    Schlagwort(e): Acridinone ; alzheimer ; dimedone
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Geologie und Paläontologie , Physik
    Notizen: Abstract The acridinone derivative 3,4-dihydro-3,3-dimethyl-1(2H)-acridinone (4) has been prepared in a two step fashion and the molecular structure confirmed by X-ray diffraction. Compound4 crystallizes in the space group P2l/n witha=6.022(2),b=21.111(2),c=9.604(2) Å, β=99.97(2)°, andZ=4. The single crystal analysis showed the acridinone tricyclic ring is virtually planar except in the gem-dimethyl position of C(3) which presented a half-chair conformation.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01666107
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 3
    Digitale Medien
    Digitale Medien
    Cross-mating tests re-discovered: a tool to assess species boundaries in rotifers (1998)
    Springer
    Hydrobiologia 387-388 (1998), S. 109-115 
    Details
    ISSN: 1573-5117
    Schlagwort(e): behavior ; mating ; evolution ; taxonomy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The recent isolation of a mate recognition pheromone in the marine rotifer Brachionus plicatilis Müller has shed new light on the mate recognition system of rotifers. One result is improved understanding of the importance of mating behavior as a highly efficient process used by rotifers to choose conspecifics. There are many differences in the main characteristics of mating behavior in members of five different families of rotifers. The present work describes the use of these characteristics to assess species boundaries, especially where boundaries between two or more species are unclear. The method proposed here can assess quantitatively the response of males of one species to females of a questionable taxon by measuring the percentage of matings initiated and the number of completed copulations. The data generated can then be used together with molecular, morphological, and other data to determine the species boundaries. This approach can help distinguish between morphological differences resulting from evolutionary divergence of species and morphological differences induced by environmental or ecological factors.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1017005602735
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 4
    Digitale Medien
    Digitale Medien
    Cross-mating tests re-discovered: a tool to assess species boundaries in rotifers (1998)
    Springer
    Hydrobiologia 287-388 (1998), S. 109-115 
    Details
    ISSN: 1573-5117
    Schlagwort(e): behavior ; mating ; evolution ; taxonomy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract The recent isolation of a mate recognition pheromone in the marine rotifer Brachionus plicatilis Müller has shed new light on the mate recognition system of rotifers. One result is improved understanding of the importance of mating behavior as a highly efficient process used by rotifers to choose conspecifics. There are many differences in the main characteristics of mating behavior in members of five different families of rotifers. The present work describes the use of these characteristics to assess species boundaries, especially where boundaries between two or more species are unclear. The method proposed here can assess quantitatively the response of males of one species to females of a questionable taxon by measuring the percentage of matings initiated and the number of completed copulations. The data generated can then be used together with molecular, morphological, and other data to determine the species boundaries. This approach can help distinguish between morphological differences resulting from evolutionary divergence of species and morphological differences induced by environmental or ecological factors.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1017005602735
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Artikel (Nationallizenzen)
    Volltext
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