Abstract
1. 1. The establishment and distribution of Raillietina cesticillus in White Rock chickens was followed for 0, 1, 2, 5, 8, 11, 14, and 17 days after inoculation. The cestode was found first to establish anterior to the Ampulla of Vater. By the third day the tapeworm was distributed along the first 14 centimeters posterior to the opening of the bile ducts, where it remained during its adult life in the intestine. These movements were compared to those of Hymenolepis diminuta and Moniliformis dubius. 2. 2. The free amino acid and protein fractions of Raillietina were analyzed by paper chromatography, and compared to analyses of Hymenolepis. The latter worm contained a greater amount of free amino acid than the former and an especially larger amount of taurine. Raillietina had a particularly large amount of proline. The protein hydrolysates of the two worms were very similar. 3. 3. The following transaminase reactions were found in Raillietina, listed in order of decreasing activity: glutamate to aspartate and aspartate to glutamate; alanine to glutamate and glutamate to alanine (with oxalacetic acid); and glutamate to alanine. In comparison to the activity of H. diminuta, determined directly and by previous studies, the activity of the two most active reactions in Raillietina was approximately one-half that found in Hymenolepis. In addition, Hymenolepis also possessed an equally active alanine to glutamic acid system as well as the two systems mentioned above. 4. 4. The importance of the particular position of worms in the intestine was discussed, and the significance of the transaminase reactions to cestodes was pointed out.
Published Version
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