Table 2.

Physiological and biochemical characteristics of strain X-1 and Z-1

Characteristics test	Results		Characteristics test	Results
	X-1	Z-1		X-1	Z-1
Gram stain	+	+	Catalase test	+	+
Methyl red	+	−	Glucose	+	+
Hydrogen sulfate	−	+	Mannitol	+	+
Nitrate reduction	+	+	Esculin hydrolysis	+	+
Starch hydrolysis	+	+	Salicin	−	−
Citrate solution	+	+	Cellobiose	+	−
V—P test	+	+	Xylose	+	+
Glutinhydrolyzation	−	+	Lactose	−	+

“+, −” stand for positive or negative of the reaction results