Characterization of Chitinases from Bacillus thuringiensis strains
Aisha YounasFaiza Saleem
Broschiertes Buch

Characterization of Chitinases from Bacillus thuringiensis strains

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The present study was conducted to characterize the Chitinase enzyme from Bacillus thuringiensis strains.13 strains of Bacillus thuringiensis were screened. All strains were found to have chitinolytic activity. The chitinolytic strains were screened for maximum activity at varying pH. Chitinase activity was assayed as the amount of N-acetylglucosamine released in U/ml using the DNS assay method. The maximum activity (0.229±0.001 U/ml) was shown by CMBL-Bt4 after 4 days of incubation at 37 C (pH 7.0) when medium was supplemented with 1% colloidal chitin. PCR was employed to amplify the chitina...