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  • 1
    Electronic Resource
    Electronic Resource
    Cephalosporium gramineum causing Leaf Stripe in Grasses, and its Sporodochial Stage, Hymenula cerealis, on Cereals and Grasses (1969)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 18 (1969), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Cephalosporium leaf stripe, caused by Cephalosporium gramineum has previously been recorded in Great Britain in wheat and bariey but not m grasses. Recent field investigations have shown that Dactylis glomerata. Avena fatua and Bromus sterilis harbour the disease, and symptoms are described. In the laboratory, formation of the sporo-dochial stages, Hymenula cerealis, was observed on infected material of cereals and grasses.Glasshouse studies showed that a number of grasses, including the agriculturally important ryegrasses, could be invaded through the soil, and differences in susceptibility between strains within the same species were apparent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1969.tb00468.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Formation and structure of the cyst wall of Stictodora lari (Trematoda: Heterophyidae) (1971)
    Springer
    Parasitology research 35 (1971), S. 340-350 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Three types of gland cells have been characterised histochemically in the cercariae of Stictodora lari. The central gland cells, which appear early in development, secrete their contents to form a body film soon after the cercariae leave the redia; the penetration gland cells appear to be concerned solely with penetration of the fish host; the peripheral gland cells are of unknown function. None of these gland cells appear to contribute material to the cyst wall of the metacercaria. Initial cyst walls formed around metacercariae in vivo and in vitro are considered identical and derived from a thin, vacuolated layer which surrounds the body of the cercaria. About 35 days after encystment a cellular host capsule is formed around the initial cyst wall. This is followed by the deposition of a layer of protein around the metacercaria, derived from granules synthesized in the cells of the bladder wall. The initial cyst wall could not be detected after the formation of the host capsule and deposition of the protein layer; thus the completed cyst wall consists of at least 2 layers—an outer cellular capsule of host origin and an inner protein layer of parasite origin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00260002
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Gland cells and encystment ofPhilophthalmus burrili cercariae (1983)
    Springer
    Parasitology research 69 (1983), S. 207-216 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Six types of gland cells have been characterised histochemically in developing cercariae ofPhilophthalmus burrili: basic protein cells; acid mucopolysaccharide cells; mucoprotein cells; ventrolateral and tail sucker cells, which contain mucoprotein; tail parenchyma cells, which contain acid mucopolysaccharide. Before cercariae leave the redia, the basic protein and acid mucopolysaccharide cells (apart from those surrounding the suckers) secrete their contents to form a jacket around the body. The jacket consists mainly of basic protein, but in the posterior region of the hindbody the basic protein is interspersed with acid mucopolysaccharide. A thin film of acid mucopolysaccharide overlies the basic protein dorsally, dorsolaterally and around the posterior half of the hindbody. The distribution of material in the flask-shaped cyst, which is readily formed by cercariae when they contact the substrate, is essentially as described for the jacket — the bulk of the cyst wall is basic protein or, in the neck region (which corresponds to the hindbody of the cercaria), basic protein interspersed with acid mucopolysaccharide. A thin film of acid mucopolysaccharide overlies exposed parts of the cyst wall.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00926955
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of BCG on the resistance of rats to infection withFasciola hepatica (1979)
    Springer
    Parasitology research 61 (1979), S. 93-98 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The effects of three different doses of BCG, given at various periods before infection, on the subsequent establishment ofFasciola hepatica metacercariae were studied. Although evidence was found to suggest that rats which received BCG had mounted a cell mediated immune response, there were no significant differences in worm recovery between BCG-treated rats and controls. The significance of these results in the light of current knowledge on immunity toF. hepatica in rats is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00927090
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Killing ofTaenia hydatigena oncospheres by sheep neutrophils (1984)
    Springer
    Parasitology research 70 (1984), S. 337-344 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Neutrophils collected from the mammary glands of uninfected sheep or from sheep infected withTaenia hydatigena, attached to and killedT. hydatigena oncospheres in vitro in the presence of serum from infected sheep. Infected sheep serum alone was not deleterious to the parasite in vitro. Fc receptors for antibody were detected on both normal and immune neutrophils; they were present at a greater density on the latter. Immune neutrophils were more reactive towards oncospheres than normal neutrophils and formed extensive capsules around the parasite. Fc receptors were not detected on oncospheres. It is hypothesised that neutrophils may kill the parasite by producing hydrogen peroxide and the superoxide anion, both of which are toxic to a variety of cell types and protozoa. The function of antibody may be to facilitate attachment of neutrophils to oncospheres by way of their Fc receptors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00927820
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    Paper (German National Licenses)
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