Original Articles

Whole-genome sequencing of Salmonella phage vB_SenS_TUMS_E15 for bio-control in the food chain

Abstract

Genome analysis of bacteriophages is crucial for their successful application in clinical and biocontrol settings. In this study, we isolated a new lytic phage, vB_SenS_TUMS-E15, from hospital sewage against Salmonella enteritidis and analyzed its genomic features. Complete genome analysis revealed that E15 had circularly permuted double-stranded DNA of 43,048 base pair (bp), with a G+C content of 49.7%. Sixty coding sequences (CDSs) were predicted in the genome, with 44 CDSs encoding known proteins in different modules, including the packaging, structure, replication and metabolism, and lysis modules, and there were no tRNA genes in the genome. Eight transcriptional promoter sequences and 37 rho-independent terminators were detected in the E15 genome. Phylogenetic analysis based on whole-genome sequences suggested that phage E15 should be included as a member of the Jersyvirus genus in the subfamily Guernseyvirinae. Also, no antibiotic-resistance genes, toxins, virulence factors, or lysogen-forming genes were observed in the genome. This indicates that E15 is a lytic phage, making it a promising candidate for clinical and biocontrol purposes.

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IssueVol 2 No 1 (2024) QRcode
SectionOriginal Articles
DOI https://doi.org/10.18502/abi.v2i1.16245
Keywords
Bacteriophage Salmonella enteritidis Jersyvirus Guernseyvirinae Biocontrol.

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How to Cite
1.
torkashvand N, Kamyab H, Shahverdi AR, Khoshayand MR, Karimi Tarshizi MA, Sepehrizadeh Z. Whole-genome sequencing of Salmonella phage vB_SenS_TUMS_E15 for bio-control in the food chain. ABI. 2024;2(1):31-35.