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Inactivation of proteolytic enzymes by cestodes

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Abstract

Inhibitor activity of cestodes from intestines of different hosts (sea birds, salt-water fish, and freshwater fish) was investigated. Alcataenia larina, Arctotaenia tetrabothrioides, Tetrabothrius erostris, T. minor, Wardium cirrosa, Bothriocephalus scorpii, Eubothrium rugosum, and Triaenophorus nodulosus were able to inhibit the activity of the commercial trypsin and activity of proteinase homogenates of the intestinal mucosa of the hosts. It was suggested that the inhibitor produced by the cestodes is specific for trypsin and protects them from the digestive enzymes of the host.

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Authors and Affiliations

  1. Papanin Institute for Biology of Inland Water, Russian Academy of Sciences, Borok, Nekouzskiy district, Yaroslavskaya oblast, 152741, Russia

    G. I. Izvekova & T. V. Frolova

  2. Murmansk Marine Biology Institute, Russian Academy of Sciences, Kola, Research Center, Murmansk, 183010, Russia

    M. M. Kuklina

Authors
  1. G. I. Izvekova
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  2. M. M. Kuklina
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  3. T. V. Frolova
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Corresponding authors

Correspondence to G. I. Izvekova or M. M. Kuklina.

Additional information

Original Russian Text © G.I. Izvekova, M.M. Kuklina, T.V. Frolova, 2017, published in Doklady Akademii Nauk, 2017, Vol. 475, No. 4, pp. 469–472.

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Izvekova, G.I., Kuklina, M.M. & Frolova, T.V. Inactivation of proteolytic enzymes by cestodes. Dokl Biol Sci 475, 161–164 (2017). https://doi.org/10.1134/S0012496617040081

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  • DOI: https://doi.org/10.1134/S0012496617040081

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