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  • 1975-1979  (2)
  • Allomyces  (2)
  • Cell wall structure  (1)
  • Cell chain formation
  • Nicotiana (pollen tube, exocytosis)
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Material
Years
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Cell wall formation in zoospores of Allomyces arbuscula (1976)
    Springer
    Archives of microbiology 109 (1976), S. 37-43 
    Details
    ISSN: 1432-072X
    Keywords: Allomyces ; Development of meiospores ; Cell wall structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Development of haploid meiospores of Allomyces arbuscula into germling cells with rhizoids and hyphae was followed during incubation in complete growth medium. The surface structure of encysted meiospores, rhizoids and hyphae before and after extraction of amorphous materials with ethanolic KOH was studied by means of carbon-platinum replicas. After 2–3 min incubation in complete medium 10% of the meiospores were surrounded by a cell wall containing microfibrils embedded in a matrix. Structure of cell walls of encysted meiospores, rhizoids, and hyphae differ from one another by the location of amorphous materials and by the arrangement of chitin microfibrils.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00425110
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Cell wall formation in zoospores of Allomyces arbuscula (1977)
    Springer
    Archives of microbiology 113 (1977), S. 73-78 
    Details
    ISSN: 1432-072X
    Keywords: Allomyces ; Cell wall carbohydrates ; Differentiation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Carbohydrate composition was determined in isolated cell walls of meiospores of Allomyces arbuscula after incubation for 15 min (encysted meiospores: cysts), 150 min (germlings: cysts + rhizoids) and 24 h (cysts + rhizoids + hyphae). The principal constituent in all cell wall samples is chitin, accounting for about 75% of the recovered carbohydrates. In addition, cell walls of all stages examined contain polysaccharides which release galactose, glucose, mannose, arabinose, xylose, fucose, and rhamnose on acid hydrolysis. While different developmental stages show minor quantitative changes in chitin, the ratio of galactose to glucose decreases sharply during differentiation of ungerminated cysts into germlings with rhizoids and hyphae. The increase in glucose is accompanied by a decrease in the amount of xylose and/or fucose and of galactose.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00428583
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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