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Acta Parasitologica, Vol.45, No. 1, 2000, 22-28
Moczon Tadeusz, Swiderski Zdzislaw - Schistosoma japonicum: Cytochemistry of the Mehlis' gland and of the ootype wall.

W. Stefanski Institute of Parasitology, Polish Academy of Sciences, Twarda 51/55, 00-818 Warszawa, Poland

Secretory granules produced by the Mehlis' gland and by the wall of the distal ootype in Schistosoma japonicum females were periodate reactive, stained intensely with a phosphotungstic acid-HCl mixture at pH 0.9, and showed no presence of sulphydryl, carboxyl and sulphate groups. These results as well as the sensitivity of the granules to the proteolytic action of papain indicated that the secretions produced by the Mehlis' gland and by the ootype wall were neutral glycoproteins.

KEY WORDS: Schistosoma japonicum, Mehlis' gland secretion, ootype, cytochemistry, glycoproteins
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