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  • Fungi  (2)
  • Cell differentiation  (1)
  • Crohn's disease  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Effects on microflora of using naphthalene or X-rays to reduce arthropod populations in the field (1987)
    Springer
    Biology and fertility of soils 3 (1987), S. 11-13 
    Details
    ISSN: 1432-0789
    Keywords: Naphthalene ; X-rays ; Fungi ; Onychiurus latus ; Collembola
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Naphthalene or X-rays are often used to test the effect on soil processes of reducing or eliminating arthropods. Naphthalene, however, is shown here to reduce radial growth significantly in eight out of nine basidiomycete fungi tested. X-ray treatment, which killed only 24% of Onychiurus latus Gisin (Collembola), significantly reduced the radial growth rate of one of two fungi tested. These techniques are likely to affect the composition of microbial communities and therefore should be used only with extreme caution in field manipulation experiments involving fauna-microflora interactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00260572
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Differentiation of histospecific ultrastructural features in cells of cleavage-arrested early ascidian embryos (1984)
    Springer
    Development genes and evolution 194 (1984), S. 87-98 
    Details
    ISSN: 1432-041X
    Keywords: Cell differentiation ; Cytochalasin B ; Urochordata
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary Ultrastructural features of histospecific differentiation were found in early cleavage stage ascidian embryos treated with cytochalasin B and held thereby in cleavagearrest until hatching time. Markers characteristic of tissue differentiation during normal embryonic and larval stages ofCiona intestinalis were expressed in muscle and two brain cell lineages of cleavage-arrested whole embryos and in epidermal and notochordal cell lineages of cleavage-arrested partial embryos. These features were muscle myofilaments and myofibrils, melanosomes of the brain pigment cells, cilium-derived structures present in a “proprioceptive” brain cell, extracellular test material of epidermal cell origin, and the sheath filaments, membrane leaflets, and vacuolar colloid associated with notochord cells. All of these ultrastructural markers of differentiation were blocked in their development by treatment of gastrula stage embryos with actinomycin D, an inhibitor of RNA synthesis, and presumably result from the expression of new gene activity. At the time of cleavage-arrest the five cell lineages studies still contained two or more unsegregated lineage pathways. Subsequent developmental autonomy within the lineages is consistent with the hypothesis of segregation during early development of functionally independent gene regulatory factors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00848348
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    The diet and food preferences of Onychiurus procampatus (Collembola) from upland grassland soils (1993)
    Springer
    Biology and fertility of soils 16 (1993), S. 296-298 
    Details
    ISSN: 1432-0789
    Keywords: Collembola ; Food preferences ; Grassland ; Fungi ; Gut contents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Specimens of Onychiurus procampatus (Collembola) observed grazing on fungal mycelia were collected from the surface soil of three differently manged upland grasslands. A general trend of an increasing proportion of Collembola with a full gut was found along a gradient of reduced sheep management intensity, which was correlated with increased fungal biomass. In the laboratory, this collembolan showed a consistent order of preference for the mycelium of seven common fungal species isolated from the field sites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00369308
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Nutritional therapy of hospitalized patients with inflammatory bowel disease (1987)
    Springer
    Digestive diseases and sciences 32 (1987), S. S89 
    Details
    ISSN: 1573-2568
    Keywords: total parenteral nutrition ; enteral nutrition ; Crohn's disease ; ulcerative colitis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The use of total parenteral nutrition and enteral nutrition in inflammatory bowel disease has become commonplace. Except for well-documented improvements in nutritional parameters, the efficacy of these treatments for primary therapy or for complications remains largely unproven.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01312471
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    Paper (German National Licenses)
    Fulltext
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