Abstract
P335 group phages represent the most divergent phage group infecting dairy Lactococcus lactis strains and have significant implications for the dairy processing industry. Here, we report the complete genome sequences of eight lactococcal prophages chemically induced from industrial lactococcal strains that propagate lytically on one of two laboratory strains.
Highlights
P335 group phages represent the most divergent phage group infecting dairy Lactococcus lactis strains and have significant implications for the dairy processing industry
Phages infecting Lactococcus lactis have been classified into 10 taxonomic groups based on morphology and genetic content [1], with members of the 936, c2, and P335 phage groups being most frequently encountered in dairy production facilities [2]
Recombination between the genomes of incoming virulent P335 phages and integrated prophages present in the L. lactis chromosome has been shown to result in adaptation to host-imposed infection hurdles, highlighting their plasticity and genomic mosaicism [5]
Summary
P335 group phages represent the most divergent phage group infecting dairy Lactococcus lactis strains and have significant implications for the dairy processing industry. Phages infecting Lactococcus lactis have been classified into 10 taxonomic groups based on morphology and genetic content [1], with members of the 936, c2, and P335 phage groups being most frequently encountered in dairy production facilities [2]. The P335 phages, whose members may exhibit a virulent or temperate life cycle [3], are among the most genetically diverse group of lactococcal phages [4].
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