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Extracellular isoamylase produced by Bacillus circulans MIR‐137
Author(s) -
Castro G.R.,
Garcia G.F.,
Siñeriz F.
Publication year - 1992
Publication title -
journal of applied bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.889
H-Index - 156
eISSN - 1365-2672
pISSN - 0021-8847
DOI - 10.1111/j.1365-2672.1992.tb05015.x
Subject(s) - bacillus circulans , isoamylase , extracellular , chemistry , starch , hydrolysis , enzyme , bacillus (shape) , amylase , biochemistry , strain (injury) , food science , microbiology and biotechnology , biology , anatomy
A strain designated MIR‐137 was selected after a screening programme for amylolytic enzymes and was characterized as Bacillus circulans. Batch cultures showed the highest amylolytic activities in the stationary phase. Extracellular isoamylase activity exhibited an optical temperature of 60°C at pH 5.0. These properties would allow its use in normal saccharification processes in the starch industries.