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Table 2 Infectivity of toxin-producing stx2 phages in different bacterial host

From: Toxigenic properties and stx phage characterization of Escherichia coli O157 isolated from animal sources in a developing country setting

Bacterial species Phage ID number
Ф12079 ФM133 ФM163 ФG71 ФM18 ФG51
Shigella sonnei + + + – + –
E. coli MC1061 + – + + – +
E. coli DH5α – – + + – +
S. dysenteriae type 4 – + – -a + –
E. coli O157:H7 NCTC12900 – + – – – –
  1. +, Strong signal; −, no signal after hybridization of the plaque with the specific stx2-probe
  2. aФG71 produced clear plaques on culture lawn of S. dysenteriae type 4 but these plaques did not give positive signal in plaque blot hybridization assay with stx2-probe
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BMC Microbiology

ISSN: 1471-2180

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