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Table 2 Characteristics of isolated strains

From: High antioxidant and DNA protection activities of N-acetylglucosamine (GlcNAc) and chitobiose produced by exolytic chitinase from Bacillus cereus EW5

Characteristic Isolate
  TM2 SPS3
Cell size (μm) Width: 1.0 ~ 1.2, Length: 4.0 ~ 5.0 Width: 1.0 ~ 1.2, Length: 3.0 ~ 4.0
Cell shape Rod, chain (4 ~ 6 cells) Rod, V-shaped pairs
Motility Motile Motile
Gram reaction + +
Spore formation + (ellipsoidal, central or paracentral) + (ellipsoidal, central or paracentral)
Colony size (cm) 0.5 ~ 0.65 0.65 ~ 0.8
Colony color Light cream Off-white
Colony shape Circular Irregular
Colony edge Undulate Undulate
Colony texture Streaky Non-streaky