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Figure 3 | BMC Microbiology

Figure 3

From: Characteristics of a broad lytic spectrum endolysin from phage BtCS33 of Bacillus thuringiensis

Figure 3

Relationship between PlyBt33 concentration and lytic activity. Lytic activities of PlyBt33 on viable cells of B. thuringiensis strain HD-73 with different PlyBt33 concentrations were tested. The initial OD600 of the strain suspension was 0.8 and the test was carried out at 37°C in 20 mM Tris-HCl (pH 8.0). The decrease of OD600 (%) = (1− the absorbance of the bacterial suspension at the end of each treatment / the absorbance at the beginning of each treatment) × 100%. The assay was carried out in triplicate and the mean values were used.

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