Journal of Genetic Engineering and Biotechnology

Table 1 Biochemical, morphological, and growth characteristics of thermophilic bacterial isolates PW1 and PW2

From: Endoglucanase gene of M42 aminopeptidase/endoglucanase family from thermophilic Bacillus sp. PW1 and PW2 isolated from Tattapani hot spring, Himachal Pradesh, India

Parameter	Bacillus sp. PW1	Bacillus sp. PW2
Cell morphology	Small rods	Long rods
Pigmentation	Cream	White
Gram’s reaction	+	+
Catalase	+	+
Oxidase	+	+
Nitrate	+	+
Urease	−	+
Glutaminase	+	−
Motility	+	+
Optimum pH (range)	8 (6–9)	8 (6–9)
Optimum temperature (range)	80 °C (60–80 °C)	80 °C (60–80 °C)
Carbon source	Galactose	Glucose
Nitrogen source	Ammonium chloride	Tryptone

Back to article page