Chitinolytic activity in viable spores of encephalitozoon species
Mem. Inst. Oswaldo Cruz
;
95(5): 701-5, Sept.-Oct. 2000. graf
Artigo
em Inglês
| LILACS
| ID: lil-267897
RESUMO
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.
Texto completo:
DisponíveL
Índice:
LILACS (Américas)
Assunto principal:
Quitinases
/
Encephalitozoon
Limite:
Animais
Idioma:
Inglês
Revista:
Mem. Inst. Oswaldo Cruz
Assunto da revista:
Medicina Tropical
/
Parasitologia
Ano de publicação:
2000
Tipo de documento:
Artigo
País de afiliação:
Brasil
/
Alemanha
Instituição/País de afiliação:
Bernhard-Nocht-Institute for Tropical Medicine/DE
/
Instituto Oswaldo Cruz/BR
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