Characterization and genomic analysis of JC01, a novel bacteriophage infecting Cronobacter sakazakii

The lytic bacteriophage JC01 was isolated using a strain of Cronobacter sakazakii previously isolated from powdered infant formula (PIF). The complete genome sequence of phage JC01 was determined. The double-stranded DNA genome of phage JC01 is composed of 61,736 bp with a G + C content of 58.9%, and it contains 76 putative open reading frames (ORFs) without any tRNA genes. The predicted ORFs were classified into functional groups, including DNA manipulation, transcription, phage packaging, phage structure, host lysis, and hypothetical proteins. Based on overall nucleotide sequence comparisons, calculation of phage intergenomic similarities, and phylogenetic analysis, JC01 appears to be a novel bacteriophage infecting C. sakazakii.

Automated summary

The lytic bacteriophage JC01, which infects C. sakazakii, was successfully isolated and its complete genome sequence was determined. The genome of JC01 is composed of double-stranded DNA with a length of 61,736 bp and a G + C content of 58.9%. It contains 76 putative open reading frames (ORFs) and belongs to a novel phage infecting C. sakazakii.