Characterization of a ViI-like Phage Specific to Escherichia coli O157:H7
2011

Characterization of a Phage Targeting E. coli O157:H7

Sample size: 72 publication Evidence: moderate

Author Information

Author(s): Kutter Elizabeth M, Skutt-Kakaria Kyobi, Blasdel Bob, El-Shibiny Ayman, Castano Anna, Bryan Daniel, Kropinski Andrew M, Villegas Andre, Ackermann Hans-Wolfgang, Toribio Ana L, Pickard Derek, Anany Hany, Callaway Todd, Brabban Andrew D

Primary Institution: The Evergreen State College, Olympia, WA, USA

Hypothesis

Phage vB_EcoM_CBA120 is a specific bacteriophage that can effectively target and infect Escherichia coli O157:H7.

Conclusion

Phage CBA120 is highly specific for E. coli O157:H7 and exhibits unique genomic and physiological characteristics compared to other phages.

Supporting Evidence

  • CBA120 is the first phage identified that specifically targets E. coli O157:H7.
  • The genome of CBA120 is highly similar to that of the Salmonella phage ViI.
  • CBA120 exhibits unique tail structures compared to other T4-like phages.

Takeaway

Scientists found a special virus that can attack a harmful bacteria called E. coli O157:H7, which is important for food safety.

Methodology

The study involved isolating and characterizing the phage CBA120 from cattle feedlots, followed by genomic sequencing and physiological experiments.

Limitations

The study primarily focused on a single phage and its interactions with a limited number of bacterial strains.

Digital Object Identifier (DOI)

10.1186/1743-422X-8-430

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