Lactococcal 936-Species Phage Attachment to Surface of Lactococcus lactis
نویسندگان
چکیده
منابع مشابه
Complete Genome Sequence of the 936-Type Lactococcal Bacteriophage CaseusJM1
The 936-type lytic bacteriophages are the most frequently encountered species infecting lactococcal dairy starters. Infection by members belonging to this species has a significant negative impact on the cheese production process. Here we report the complete genome sequence of the bacteriophage CaseusJM1, a 936-type phage isolated from an Irish dairy plant.
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Lactococcus lactis phage infections are costly for the dairy industry because they can slow down the fermentation process and adversely impact product safety and quality. Although many strategies have been developed to better control phage populations, new virulent phages continue to emerge. Thus, it is beneficial to develop an efficient method for the routine identification of new phages withi...
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Here, we report the complete genome of Lactococcus lactis subsp. cremoris UC509.9, an Irish dairy starter. The circular chromosome of L. lactis UC509.9 represents the smallest among those of the sequenced lactococcal strains, while its large complement of eight plasmids appears to be a reflection of its adaptation to the dairy environment.
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Recently, eight lytic small isometric-headed bacteriophages were isolated from cheese-manufacturing plants throughout North America. The eight phages were different, but all propagated on one strain, Lactococcus lactis NCK203. On the basis of DNA homology, they were classified in the P335 species. Digestion of their genomes in vitro with restriction enzymes resulted in an unusually high number ...
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A pair of vectors for expression of heterologous genes in Lactococcus lactis was constructed. In addition to an origin of replication that has a broad host range, these vectors contain a multiple cloning site flanked by gene expression signals originating from L. lactis subsp. cremoris Wg2. The two vectors, about 3.7 kilobase pairs in size, differ only in the type of antibiotic resistance they ...
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 2005
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(05)72756-9