Abstract

Bacteriophages that infect the foodborne pathogen Listeria monocytogenes were previously isolated from New York dairy farms. The complete genome sequences for three of these Listeria phages, with genome sizes of 64.6 to 65.7 kb, are presented here. Listeria phages LP-010, LP-013, and LP-031-2 are siphoviruses that belong to the genus Homburgvirus.

Highlights

  • Lytic bacteriophages can be used as a biocontrol agent bacterial pathogen Listeria monocytogenes in food or food targeting the foodborne processing environments [1–4]

  • Phages LP-010, LP-013, and LP-031, which infect L. monocytogenes, were previously isolated from dairy farm silage collected in New York [10]

  • These were selected for sequencing because they exhibited activity against mutant L. monocytogenes strains that were resistant to most of our phage collection [11]

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Summary

Introduction

Lytic bacteriophages can be used as a biocontrol agent bacterial pathogen Listeria monocytogenes in food or food targeting the foodborne processing environments [1–4]. Studied Listeria phages suitable for food-related biocontrol include Homburgvirus P70 [7]. Homburgvirus phages have a unique morphology (flexible, noncontractile tails and elongated capsids, as seen in Enterococcus phages [8]) and improved lytic ability at lower temperatures [9]. Phages LP-010, LP-013, and LP-031, which infect L. monocytogenes, were previously isolated from dairy farm silage collected in New York [10].

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