Molecular Cloning and Characterization of a Novel α-Amylase from Antarctic Sea Ice Bacterium Pseudoalteromonas sp. M175 and Its Primary Application in Detergent

Table 1

Biochemical, morphological, and physiological characteristics of strain M175.

Experiments	Results
Gram	Gram-negative
	aerobic
Growth range	0-40°C, pH 3.0-11.0, 0-12% NaCl
Optimal temperature	15°C
Optimal pH	pH 8.0
Optimal NaCl	6%
Catalase	+
Indol production	+
Gelatin hydrolysis	+
VP	+
MR	-
Nitrate reduction	-
O/F test	Oxidation
Utilization of
D-Glucose	+
D-Lactose	+
D-Maltose	+
D-Xylose	+
Sucrose	+
Starch	+