Characterization of a New Providencia sp. Strain X1 Producing Multiple Xylanases on Wheat Bran

Table 2

Morphological and biochemical characteristics of strain X1.

Test	Results
Whole colony	White, circular
Edge	Entire
Surface	Smooth
Elevation	Raised
Cell shape	Rod
Spore position	Subcentral
Gram-reaction	+
Growth at 50°C	+
Growth at 8.0% NaCl	+
Motility	+
Catalase	+
Oxidase	+
Caseinase	+
Urease	−
Gelatinase	−
Tryptophanase	+
Sugar utilization
Glucose	+
Fructose	−
Lactose	+
Maltose	+
Xylose	+
Sucrose	−
Arabinose	+
Mannose	+

+: positive; −: negative.