Abstract
The Denizli cock is a special race that has harmonious long crowing. In this study, the syrinx of the Denizli cock was studied by using glycohistochemical analyses. Paraffin sections were stained with Alcian blue (AB) at pH 1 and pH 2.5 for demonstration of sulfated and carboxylated carbohydrates, respectively. At AB-pH 1, the lateral tympanic membrane (LTM) and also the medial tympanic membrane (MTM) exhibited a weak reactivity, whereas they were stained intensely at AB-pH 2.5. The frozen sections were incubated with 5 digoxigenin-labeled lectins for lectin histochemistry: peanut agglutinin, Maackia amurensis leucoagglutinin, Galanthus nivalis agglutinin, Datura stramonium agglutinin, and Sambucus nigra agglutinin. In LTM, positive stainings were observed for the 5 lectins. These results suggest that LTM exhibits an intense reactivity with AB-pH 2.5, indicating carboxylated carbohydrates, and it also has terminal saccharide moieties consisting of b(1->3) linked galactose, a(2->3) linked sialic acid, mannose, b (1->4) linked galactose, and a (2->6) linked sialic acid.
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