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  • 1985-1989
  • 1965-1969  (2)
  • 1969  (2)
Material
Years
  • 1985-1989
  • 1965-1969  (2)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of neurochemistry 16 (1969), S. 0 
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract— The uronic acid-containing glycosaminoglycans present in the brains of rat, monkey, chicken, sheep and rabbit were isolated into various fractions by combining the cetyl pyridinium procedure and DEAE-Sephadex column chromatography. The analyses of the fractions show that hyaluronic acid, chondroitin-4-sulphate, chondroitin-6-sulphate, heparan sulphate and a testicular hyaluronidase-resistant galactosamine-containing GAG are present in the brain of all the species studied. Hyaluronic acid is the major GAG (33–41 per cent). Chondroitin-4-sulphate (19–35 per cent), and heparan sulphate (11–19 per cent), are the next prominent GAGs, in all the species except chicken. The results indicate the similarity in the pattern of GAGs in the brain of all the species.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Archives of microbiology 67 (1969), S. 91-98 
    ISSN: 1432-072X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Low concentrations of hydroxyurea stimulated the growth of the blue-green alga Anabaena variabilis that had been pretreated with sublethal concentrations of chloramphenicol or of certain nucleic acid base analogues. When supplemented to the culture medium, hydroxyurea also counteracted the growth inhibitory effect of chloramphenicol on this organism. In contrast, when A. variabilis cells grown in the presence of hydroxyurea were subsequently treated with chloramphenicol, they were found to have become highly susceptible to the growth inhibitory effects of chloramphenicol. The growth of hydroxyurea pretreated cells in basal medium was attended by a lag that was shorter than that of untreated controls; on the other hand, when hydroxyurea pretreated cells were inoculated into chloramphenicol-supplemented medium, they exhibited a longer lag than that shown by untreated cells in chloramphenicol. The results obtained are discussed in terms of the probable effects of hydroxyurea and chloramphenicol on certain enzyme systems.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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