Open AccessProtease Formation by a Moderately Halophilic Bacillus Strain
Author(s) -
Masahiro Kamekura,
Hiroshi Ōnishi
Publication year - 1974
Publication title -
applied microbiology
Language(s) - English
Resource type - Journals
ISSN - 0003-6919
DOI - 10.1128/am.27.4.809-810.1974
Subject(s) - halophile , protease , strain (injury) , salt (chemistry) , bacillus (shape) , bacillaceae , food science , microbiology and biotechnology , chemistry , sodium , neutral protease , bacillales , bacteria , biology , enzyme , biochemistry , bacillus subtilis , organic chemistry , anatomy , genetics
A moderately halophilic strain ofBacillus , isolated from unrefined solar salt, was capable of growth in the presence of 4 M NaCl. Maximal growth was obtained in a medium containing 1 to 2 M NaCl. The organism produced protease when cultivated aerobically in media containing 0 to 3 M NaCl or 0 to 2 M KCl. The protease activity was optimal at 0.5 M NaCl and 0.75 M KCl.
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