Molecular characterization of promoters of the Lactococcus lactis subsp. cremoris temperate bacteriophage BK5-T and identification of a phage gene implicated in the regulation of promoter activity.

Abstract excerpt

DNA fragments from the temperate lactococcal bacteriophage BK5-T were cloned into the promoter-detecting plasmid pMU1328. Five DNA fragments conferring promoter activity were selected by transformation of Streptococcus sanguis and were functional in Escherichia coli, S. sanguis, and Lactococcus lactis subspp. lactis and cremoris. The nucleotide sequences of these fragments were determined, and primer extension...

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