Identification, cloning and expression of a cold-active beta-galactosidase from a novel Arctic bacterium, Alkalilactibacillus ikkense.


A novel, cold-active beta-galactosidase was isolated from an Arctic Gram-positive bacterium, Alkalilactibacillus ikkense. The corresponding gene was cloned and expressed as an active enzyme in Escherichia coli. Denaturing gel electrophoresis of both the native and the recombinant beta-galactosidase showed a monomeric molecular weight of 115-120 kDa… (More)
DOI: 10.1080/09593331003677872


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