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. 2020 May 6;16:127. doi: 10.1186/s12917-020-02349-9

Fig. 1.

Fig. 1

Morphology of the Clostridium isolate based on staining. a Gram staining was performed on the cultured isolate, resulting in the detection of gram-positive rods. b Endospores of the cultured C. novyi isolate were observed after staining with 5% malachite green