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  • Biomphalaria glabrata  (2)
  • Springer  (2)
  • American Chemical Society
  • 1990-1994  (2)
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Keywords
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  • Springer  (2)
  • American Chemical Society
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Intraspecific and interspecific chemoattraction inBiomphalaria glabrata andHelisoma trivolvis (Gastropoda: Planorbidae) (1994)
    Springer
    Journal of chemical ecology 20 (1994), S. 2645-2651 
    Details
    ISSN: 1573-1561
    Keywords: Intraspecific chemoattraction ; interspecific chemoattraction ; Biomphalaria glabrata ; Helisoma trivolvis ; Gastropoda ; Planorbidae ; in vitro bioassay ; chemorepulsion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A Petri dish bioassay previously used to examine food preferences in planorbid snails was used to study intraspecific and interspecific chemoattraction inBiomphalaria glabrata (albino strain, M-line) andHelisoma trivolvis (Colorado strain) snails.B. glabrata snails showed significant intraspecific chemoattraction in the absence of visual cues and snail thigmotaxis.H. trivolvis snails also showed significant intraspecific chemoattraction. Interspecific chemoattraction between these species occurred in the bioassay, suggesting that the chemoattractants were not species specific. Artificial spring water conditioned by aqueous excretory-secretory products (snail-conditioned water) ofB. glabrata elicited significant intraspecific chemoattraction. However, lipophilic excretory-secretory products ofB. glabrata elicited significant chemorepulsion. Repellant factors in the lipophilic fraction were not characterized.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02036198
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  • 2
    Electronic Resource
    Electronic Resource
    Chemoattraction ofBiomphalaria glabrata (Gastropoda: Planorbidae) to lipid standards and lipophilic factors in leaf lettuce and Tetramin (1993)
    Springer
    Journal of chemical ecology 19 (1993), S. 2593-2598 
    Details
    ISSN: 1573-1561
    Keywords: Chemoattraction ; Biomphalaria glabrata ; Gastropoda ; Planorbidae ; lipids ; iceberg leaf lettuce ; Lactuca sativa ; Tetramin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Chemoattraction of individualBiomphalaria glabrata snails for lipid standards and lipophilic fractions of leaf lettuce and Tetramin were studied in a Petri dish bioassay. Snails were more significantly attracted to a whole Tetramin lipophilic fraction than that of leaf lettuce. Thin-layer chromatography showed that major neutral lipid fractions in Tetramin were triacylglycerols, free fatty acids, and free sterols, and in leaf lettuce were free fatty acids and a mixed free sterol-chlorophyll fraction. Snails were significantly attracted to both the free fatty acid and free sterol fractions from Tetramin, but only to the free fatty acid fraction from leaf lettuce. Snails were significantly attracted to a mixed lipid standard containing equal amounts of phosphatidylcholine, cholesterol, oleic acid, triolein, and cholesteryl oleate. Of four individual neutral lipid standards tested, i.e., cholesterol, oleic acid, triolein, and cholesteryl oleate, snails were only attracted to cholesteryl oleate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00980693
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    Paper (German National Licenses)
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