| Summary: | Phages of phytopathogenic bacteria are considered to be promising agents for the biological control of bacterial diseases in plants. This paper reports on the isolation and characterisation of a new <i>Xanthomonas campestris</i> pv. <i>campestris</i> phage, Murka. Phage morphology and basic kinetic characteristics of the infection were determined, and a phylogenomic analysis was performed. The phage was able to lyse a reasonably broad range (64%, 9 of the 14 of the <i>Xanthomonas campestris</i> pv. <i>campestris</i> strains used in the study) of circulating strains of the cabbage black rot pathogen. This lytic myovirus has a DNA genome of 44,044 bp and contains 83 predicted genes. Taxonomically, it belongs to the genus <i>Foxunavirus</i>. This bacteriophage is promising for use as a possible means of biological control of cabbage black rot.
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