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Digitale Medien

Sensitivity to chemically diverse phagostimulants in a single gustatory neuron of a polyphagous caterpillar (2000)

Bernays, E. A. ; Chapman, R. F. ; Singer, M. S.

Springer

Journal of comparative physiology 186 (2000), S. 13-19

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Details

ISSN: 1432-1351

Schlagwort(e): Key words Catalpol ; Grammia ; Gustation ; Iridoid glycoside ; Phagostimulation

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie , Medizin

Notizen: Abstract Caterpillars of the arctiid moth, Grammia geneura, are polyphagous, but species of Plantago are amongst their preferred food plants. A neuron in the medial styloconic sensillum on the galea has been shown to have a general phagostimulatory function. Experiments with binary mixtures and cross-adaptation have demonstrated that it responds to some sugars, to several amino acids, and also to catalpol. Catalpol is a plant secondary compound in Plantago and a phagostimulant for the caterpillars. The possible significance of combining sensitivity to nutrient compounds with sensitivity to a secondary compound is discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s003590050002

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