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Bacteriology
Proteinases secreted by Bacillus intermedius during sporulation studied
September 1st, 2003
Proteinases secreted by Bacillus intermedius in the late stages of sporulation have been investigated. According to published research from Russia, "In the late stages of sporulation, cells of Bacillus intermedius 3-19 secreted into the medium two proteinases, glutamyl endopeptidase and subtilisin, whose maximum activities were recorded in the 40th and 44th hours of growth, respectively." "By estimating beta-galactosidase activity as a marker of cytoplasmic membrane integrity, it was revealed that the accumulation of these proteinases in the medium was a result of their secretion and not of lysis of the cell envelope," reported Nelli P....
Source: Health & Medicine Week (2003-09-01)
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