Current Microbiology

, Volume 76, Issue 1, pp 86–94 | Cite as

Isolation and Genome Sequence Characterization of Bacteriophage vB_SalM_PM10, a Cba120virus, Concurrently Infecting Salmonella enterica Serovars Typhimurium, Typhi, and Enteritidis

  • Sandeep Newase
  • Balu P. KapadnisEmail author
  • Ravindranath ShashidharEmail author


The prevalence of multidrug-resistant Salmonella is ever increasing and calls for alternatives to antibiotics. The use of phages has been anticipated to reduce the multidrug-resistant human pathogens in food environment. Salmonella phage vB_SalM_PM10 (PM10) was isolated from sewage-polluted river in India. It shows an icosahedral head (94 ± 4 nm) along with a long contractile tail (106 ± 7 × 18 ± 2 nm), a morphotype of family Ackermannviridae. Additionally, the phage displayed the features resembling to existing Cba120viruses. Phage PM10 could infect S. enterica serovars Typhimurium, Typhi, and Enteritidis. The genome sequencing analysis of phage PM10 revealed circular 158.08 kb double-stranded DNA, with the GC content of 44.6%. Two hundred and nine ORFs, 171 putative promoters, 122 rho-independent terminators, and 5 transfer RNA encoding genes were found in the genome. The genome-wide comparisons and phylogenetic analyses showed that phage PM10 is closely related to Salmonella phage PhiSH19. Comparison of the tail-spike protein sequences encoded in PM10 and PhiSH19 genome showed the variation, which might have facilitated PM10’s simultaneous infectivity to aforementioned S. enterica serovars. This is a varied host range than that of PhiSH19 or any other Cba120viruses.



Authors thank Dr. Anand Ballal and Dr. Alka Gupta (Molecular Biology Division, Bhabha Atomic Research Centre) for their kind help in taking TEM micrographs. BPK is thankful to University Grants Commission (UGC), India for Emeritus Professor fellowship [No.F.6-6/2017 18/EMERITUS-2017-18-GEN-9819/(SA-II)]. SN is thankful to Department of Atomic Energy (DAE), India, for the fellowship support under Bhabha Atomic Research Centre—Savitribai Phule Pune University (GOI–E–156) collaborative research Ph. D. program. No external funding was taken for this study.

Compliance with Ethical Standards

Conflict of interest

The authors declare that they have no conflict of interest.

Research Involving Human Participants and/or Animals

This article does not contain any studies with human participants or animals performed by any of the authors.

Supplementary material

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Supplementary material 1 (DOC 212 KB)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of MicrobiologySavitribai Phule Pune UniversityPuneIndia
  2. 2.Food Technology DivisionBhabha Atomic Research CentreMumbaiIndia

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