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. 2012 May 18;7(5):e37263. doi: 10.1371/journal.pone.0037263

Figure 1. Morphological diversity of temperate bacteriophages associated with 91 C. difficile 027 isolates used in this study.

Figure 1

Isolates were induced using mitomycin C or norfloxacin at a final concentration of 3 µg/ml. Prophages from the induced filtered lysates were analysed using TEM. Bars ∼70 nm. Measurement was estimated by measuring 6 phages in each sample.