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  • Title: Chemo-attractant for the garter snake: characterization of vomeronasally-mediated response-eliciting components of earthworm wash--III.
    Author: Kirschenbaum DM, Schulman N, Yao P, Halpern M.
    Journal: Comp Biochem Physiol B; 1985; 82(3):447-53. PubMed ID: 4085208.
    Abstract:
    Heating a 0.1 N HCl solution of lyophilized garter snake, Thamnophis sirtalis, chemoattractant obtained from earthworm, Lumbricus terrestris, surface washings, in a boiling water bath, and separation by gel chromatography, gave two fractions, F2, of high molecular weight and containing all the chemoattractant activity, and F4, of low molecular weight. The activity is lost between 15 and 30 min of heating. A similarly treated 0.1 N NaOH solution of lyophilized washings gave no F2 fraction and an F4 fraction in increasing amount. All the chemoattractant activity is lost between 0 and 15 min. Separations were monitored by assays for protein and carbohydrate.
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