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Cloning and expression of clt genes encoding milk-clotting proteases from Myxococcus xanthus 422
M Poza1, M Prieto-Alcedo, C Sieiro
1Department of Microbiology and Parasitology, Faculty of Pharmacy, Campus Sur 15782, Santiago de Compostela, Spain.
Applied and Environmental Microbiology
|October 7, 2004
Abstract:
The screening of a gene library of the milk-clotting strain Myxococcus xanthus 422 constructed in Escherichia coli allowed the description of eight positive clones containing 26 open reading frames. Only three of them (cltA, cltB, and cltC) encoded proteins that exhibited intracellular milk-clotting ability in E. coli, Saccharomyces cerevisiae, and Pichia pastoris expression systems.
