Chemistry of odortypes in mice: Fractionation and bioassay
- 1 March 1993
- journal article
- research article
- Published by Springer Nature in Journal of Chemical Ecology
- Vol. 19 (3) , 569-579
- https://doi.org/10.1007/bf00994326
Abstract
Mice can discriminate samples of urine obtained from two groups of inbred mice that are genetically identical except in their major histocompatibility complex (MHC) haplotype (congenic mice), whereas they cannot distinguish urine samples from two genetically identical groups of mice. Chemical fractions of urine samples obtained from MHC congenic mice were tested in a Y-maze olfactometer using a method modified to accommodate the bioassay to chemical fractions that might differ in sensory properties from the unfractionated urine. Fractions depleted in protein by several methods were consistently discriminable by mice in the Y maze, providing a direct demonstration that the airborne MHC genotype information can be conveyed by volatile compounds alone.Keywords
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