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Fig. 5 | AMB Express

Fig. 5

From: Identification of diacetonamine from soybean curd residue as a sporulation-inducing factor toward Bacillus spp.

Fig. 5

Spore-inducing activity of diacetonamine hydrochloride toward B. megaterium. a Time-course (48–120 h) of sporulation in B. megaterium NBRC 15308 exposed to 400 µM of diacetonamine HCl (1b). Open arrowheads in photo-images at 72 and 120 h show immature (stained with SYTO 9) and mature (unstained with SYTO 9) endospores, respectively. b Dose-dependent manner of 1b (4, 40, and 400 µM) in the sporulation of B. megaterium. At 96-h incubation, microscopic photo-images were recorded. Scale bar = 5 μm

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