Warianty tytułu
Języki publikacji
Abstrakty
Proteasomes or multicatalytic proteinases have recently been discovered in mammalian cells. These enzymes are major non-lysosomal proteinases of eukaryotic cells that can account up to 1% of the soluble cellular protein. Our previous studies indicated that multicatalytic proteinases are present in parasitic nematodes of sheep. In this study we have demonstrated that the method described by Rivett et al. (1994) and used for mammalian cells, can give reasonably good preparations of proteasomes from Trichostrongylus colubriformis infective larvae. Further, the inactivation of proteasomes activity by antisera suggests that enzymatic activity of proteasomes is recognised by the immune system of sheep.
Twórcy
autor
- AgResearch, Wallaceville Animal Research Centre, P.O.Box 40063, Upper Hutt, New Zealand
- Department of Biology and Medical Parasitology, K. Marcinkowski University of Medical Sciences, Fredry 10, 61-701 Poznań, Poland
autor
- AgResearch, Wallaceville Animal Research Centre, P.O.Box 40063, Upper Hutt, New Zealand
Bibliografia
- Bergmeyer H. U. 1974. Methods in enzymatic analysis. Vol. 1. Verlag Chemie GmbH, Weinheim.
- Hadaś E., Stankiewicz M. 1997. Proteolytic enzymes of infective larvae and adults of Trichostrongylus colubriformis and Haemonchus contortus. Parasitology Research, 83, 47-51.
- Lowry O., Rosenbrough N. J., Farr A. L., Randall J. R. 1951. Protein measurement with the Folin phenol reagent. Journal of Biological Chemistry, 193, 265-271.
- Orłowski M. 1990. The multicatalytic proteinase complex, a major extralysosomal proteolytic system. Biochemistry, 29, 10289-10297.
- Orłowski M., Wilk S. 1981. A multicatalytical protease complex from pituitary that forms enkephalin and enkephalin containing peptides. Biochemical and Biophysical Research Communications, 101, 814-822.
- Peters J.-M. 1994. Proteasomes: protein degradation machines of the cell. Trends in Biochemical Sciences, 19, 377-382.
- Peterson G. L. 1979. Review of the Folin phenol reagent quantitation method of Lowry, Rosenbrough, Farr, and Randall. Analytical Biochemistry, 100, 201-220.
- Rivett A. J. 1989. The multicatalytic proteinase of mammalian cells. Archives of Biochemistry and Biophysics, 268, 1-8.
- Rivett A. J., Knecht E. 1993. Proteasome location. Current Biology, 3, 127-129.
- Rivett A. J., Savory P. J., Djaballah H. 1994. Multicatalytic endopeptidase complex: Proteasome. Methods in Enzymology, 244, 331-350.
- Stankiewicz M., Cabaj W., Pernthaner A., Jonas W., Rabel B. 1996. Drug-abbreviated infections and development of immunity against Trichostrongylus colubriformis in sheep. International Journal for Parasitology, 26, 97-103.
Typ dokumentu
Bibliografia
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