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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