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AMB Express
Fig. 7 | AMB Express

Fig. 7

From: An improved integrative GFP-based vector for genetic engineering of Parageobacillus thermoglucosidasius facilitates the identification of a key sporulation regulator

Fig. 7

Phase contrast microscopy of samples collected from P. thermoglucosidasius ∆spo0A and wildtype cultures after 2, 6, 8, and 24 h of growth. During the exponential phase, at the 2 h sample, none of the strains appeared to be sporulating. However, after reaching stationary phase, at around 6 h of growth, the wildtype strain was producing large amounts of endospores, visible as bright bulbs located at the outer edge of the cells (examples indicated by arrows). No signs of sporulation was observed from the ∆spo0A culture

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