Chitinolytic activity in viable spores of encephalitozoon species

Autor: J Schottelius, F Hünger, Th Schüler, SC Gonçalves da Costa
Jazyk: angličtina
Rok vydání: 2000
Předmět:
Zdroj: Memorias do Instituto Oswaldo Cruz, Vol 95, Iss 5, Pp 701-705 (2000)
Druh dokumentu: article
ISSN: 0074-0276
1678-8060
DOI: 10.1590/S0074-02762000000500015
Popis: By employing 4-methylumbelliferyl-beta-D-NN',N"-triacetylchitotriose substrate in a semi quantitative assay, chitinolytic activity in viable spores of Encephalitozoon cuniculi and E. intestinalis was detected and dependence on reaction time, spore concentration, concentration of substrate and temperature were demonstrated. It was possible to block the chitinolytic activity by chitin hydrolysate. By incubation at 80°C for 10 min or at 55°C for 20 min the spores were loosing the chitinolytic activity. Incubation of the spores in trypsin reduced the chitinolytic activity. Cellulase activity could not be detected.
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