Numerical taxonomy of α-amylase producingBacillusspecies

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Abstract
A total of 134 .alpha.-amylase producing Bacillus isolates and 21 reference strains were divided into 12 groups according to their similarities (%SSM). Phenotypic characteristics determined by the API 20E and API 50CHB galleries, other biochemical tests and morphological characteristics were used for the numerical analysis. The API Computer Service identified 45% of the isolates. The amylase yields of 16 .alpha.-amylase hyperproducing (AHP) isolates were compared with those of seven amylolytic reference and type strains. The AHP isolates were related to Bacillus subtilis, B. licheniformis and ''B. amyloliquefaciens''.

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