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  • 1975-1979  (3)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Effect of different amino acids on the phosphatase system of an ectoparasite: Poecilobdella granulosa (1977)
    Springer
    Parasitology research 52 (1977), S. 103-111 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Inhibitory effect of different amino acids (L-phenylalanine, L-tryptophan, L-tyrosine, L-histidine-monochloride and L-arginine) on the phosphatase system of the brain, ventral nerve cord, stomach and intestine of the Indian medicinal leech Poecilobdella granulosa, was observed to be substrate, tissue, and inhibitor-specific. Most fascinating observation recorded was the activation of alkaline phosphatase of stomach and intestine by certain amino acids at low concentrations. This has been correlated with the sanguivorous habit of leeches.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00380564
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Studies on the host-parasite interaction and role of esterases during biting of the Indian cattle leech, Poecilobdella granulosa (1976)
    Springer
    Parasitology research 50 (1976), S. 43-51 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Histochemical localization of acetylcholinesterase and butyrylcholinesterase in the salivary glands has unfolded the significant fact that salivary glands are of two types, one being enzymatically negative and the other showing positive activity. Activity of these enzymes has been linked with the operation of glandular dynamics, particularly concerning the synthetic and secretory processes. The enzymes have been seen localized in the core of jaw. Contrary to it they are absent in the papillary and interpapillary zones of the jaw. Absence of esterases in the papillary and interpapillary ductules has been correlated with its possible non-involvement in the synthesis of vasodilating and anticoagulating materials. The experiments on effect of biting on host tissue give a faint indication of vascular dilation due to bite. Likewise, experiments on enzymatic state of a salivary gland after leech-bite reveal that the diminution of the reactive coverage area in the salivary glands reaches its maximum in the case of ATPase, indicating thereby its more involvement in salivary functions than those of esterases and acid phosphatase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00389930
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Effect of decerebration on the enzymatic system of stomach and intestine of Indian cattle leech, Poecilobdella granulosa (1977)
    Springer
    Parasitology research 52 (1977), S. 97-101 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Experiments on decerebration have brought to light an interesting inverse relationship between the phosphatases of two digestive components, at least up to a week. With the activation of all the gastric phosphatases, intestinal phosphatases are inhibited. This has been correlated with metabolic metameric control in leech.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00380563
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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