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  • Apis Mellifera  (1)
  • CNS tumor  (1)
  • Halictidae  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Brood Odor Discrimination Abilities in Hygienic Honey Bees (Apis mellifera L.) Using Proboscis Extension Reflex Conditioning (2000)
    Springer
    Journal of insect behavior 13 (2000), S. 87-101 
    Details
    ISSN: 1572-8889
    Keywords: hygienic behavior ; discrimination conditioning ; honey bees ; Apis Mellifera ; olfaction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract To understand the effect of abnormal brood odors on the initiation or control of hygienic behavior in honey bees, we employed the associative learning paradigm, proboscis extension reflex conditioning. Bees from two genetic lines(hygienic and non-hygienic) were able to discriminate between high concentrations of two floral odors equally well. Differential discrimination abilities were observed between the two lines when healthy and diseased brood odors were used, with the bees from the hygienic line discriminating between the pair of brood odors better than the non-hygienic bees. These results suggest that hygienic behavior in individual bees is associated with the bees' responses to olfactory stimuli emanating from diseased brood.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007767626594
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Immunofluorescent staining of frozen sections for glial fibrillary acidic protein (1982)
    Springer
    Acta neuropathologica 58 (1982), S. 69-72 
    Details
    ISSN: 1432-0533
    Keywords: GFAP ; Glioma ; Biopsy ; Astrocytoma ; CNS tumor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Immunofluorescent staining for glial fibrillary acidic protein (GFAP) has been used as part of the diagnostic evaluation of eleven patients and compared with routine special stains. In one case, a difficult fibrillary neoplasm of the spinal cord, this diagnostic procedure provided rapid, positive identification of the glial nature of the tumor. In all cases, the GFAP reactivity was consistent with staining properties of PTAH and more rapid than PTAH.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00692700
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Identification and bioassay of macrocyclic lactone sex pheromone of the halictine beeLasioglossum zephyrum (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 1447-1456 
    Details
    ISSN: 1573-1561
    Keywords: Lasioglossum zephyrum ; Halictidae ; Hymenoptera ; macrocyclic lactones ; sex pheromones ; kin recognition pheromones ; Dufour's gland
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The macrocyclic lactones found in the Dufour's gland of the halictine beeLasioglossum zephyrum are female sex pheromones. Octadecanolide, eicosanolide, docosanolide, and tetracosanolide, as well as monounsaturated homologs of each, are components of the Dufour's gland secretion of this species. Furthermore, a series of odd-carbon-numbered saturated and unsaturated hydrocarbons and isopentenyl docosanoate occur in extracts of the Dufour's gland and of whole females. Two different mixtures of all four synthetic lactones, and additionally a treatment consisting of the natural extract, elicit higher response levels than two of the lactones separately or either of the controls.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012144
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    Paper (German National Licenses)
    Fulltext
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