Release of β-galactosidase from lactobacilli

被引:0
作者
Montanari, G
Zambonelli, C
Grazia, L
Benevelli, M
Chiavari, C
机构
[1] Univ Bologna, DIPROVAL, I-42100 Reggio Emilia, Italy
[2] Univ Molise, DISTAAM, I-861 Campobasso, Italy
关键词
lactic acid bacteria; autolysis; beta-galactosidase;
D O I
暂无
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Lactobacillus brevis cells at the end of growth release intracellular beta-galactosidase into the medium. Enzyme release begins immediately after the end of cell multiplication and is connected to cell autolysis and breakage of the cell wall. Lactobacillus plantarum cells did not release beta-galactosidase because autolysis occurred in a different way. The cells initially collapsed, without showing signs of cell wall breakage, which became evident only after 30 or more days from the end of growth.
引用
收藏
页码:129 / 133
页数:5
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