Hopkins Marine Station Student Paper

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(full paper is archived in the Miller Library)

Title: Identification and location of carbohydrases in the intestinal tract of Tegula funebralis
Student Author(s): Berrie, Warren R.
Devereaux, Mitchel W.
Pages: 5
Location: Final Papers Biology 175H
Date: June 1963
Keywords: black turban snail
Abstract: Carbohydrate digestion in the snail Tegula funebralis (A. Adams, 1854), was studied. the intestinal sites of hydrolysis of certain carbohydrates and the location of production of their respective enzymes were studied. The presence of an amylase, laminarase, alginase, fucoidase, and cellobiase was demonstrated. The major tissue sources of the above enzymes were: buccal cavity, stomach, digestive gland, spiral caecum, thin and thick hindgut for amylase; buccal cavity and esophagus for laminarase and alginase; buccal, eshoagus, stomach and digestive gland for fucoidase; salivary glands, spiral caecum, thin and thick hindgut for cellobiase. Some of the carbohydrate hydrolysis appears to be due to bacterial action. Intracellular digestion of starch in the wall of the hindgut is indicated.
Notes: Published 1964, Veliger 6 (suppl.): 20-24