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Fig. 2 | Archives of Virology

Fig. 2

From: Novel Escherichia coli phages representing a distinct genus within the subfamily Stephanstirmvirinae: genome and host range characteristics

Fig. 2
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Heat map of the host range of the isolated phages. Host range analysis was performed by spot assays with serial dilutions of each phage on various bacterial strains. The EoP (efficiency of plating) was calculated by dividing the titer against each bacterial strain by the titer against the reference host strain (TK001 for ΦWec179, 181, 186, 188, and 190; MG1655 for T4 and T7). White indicates no reduction in infectivity (EoP = 1), and progressively darker cyan shades represent decreasing infectivity levels, with dark cyan signifying complete loss of infectivity (not detected, ND). Purple shades indicate enhanced infectivity (EoP > 1). "pseud" indicates that plaques were not visible but lysis was observed in the bacterial lawn. "ND" indicates that no lysis or plaque formation occurred even at the highest phage concentration tested

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