Chemical properties of femoral gland secretions in the desert iguana,Dipsosaurus dorsalis |
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Authors: | Allison C. Alberts |
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Affiliation: | (1) Research Department, Zoological Society of San Diego, P.O. Box 551, 92112 San Diego, California |
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Abstract: | This study investigates the chemistry of femoral gland secretions in the desert iguana,Dipsosaurus dorsalis (Lacertilia: Iguanidae), and discusses their possible functional significance. Electrophoretic and proton NMR studies indicated that the secretions are composed of approximately 80 % protein and 20% lipid material. Individual differences in polyacrylamide gel banding patterns of femoral gland proteins were found. Reflectance spectroscopy revealed that the secretions strongly absorb longwave ultraviolet light, a feature that may be important in the localization of secretion deposits in the environment. |
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Keywords: | Desert iguana Dipsosaurus dorsalis femoral glands contact pheromones ultraviolet light signal localization |
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