Table 3.

Phenotypic characteristics of isolates.

Characteristics	I	II	III	IV	V	VI	VII
No. of isolates	6	1	2	4	5	6	1
Cell shape	Rods	Rods	Rods	Rods	Rods	Rods	Cocci in chains
Gas from glucose	–	–	+	–	–	–	–
Growth in 6% NaCl	+	+	+	+	+	+	+
Growth in 8% NaCl	+	+	+	+	+	+	+
Growth at pH 3	+	+	+	+	+	+	+
pH 9	+	+	–	+	+	+	+
Growth at 15°C	+	+	+	+	+	+	+
45°C	–	+	+	+	+	+	+
Arginine hydrolysis	–	–	+	+	+	+(–1)	–
Nitrate reduction	+	–	–	–	–	–	–
Acid from:
Aesculin	+	–	–	+(–2)	–(+1)	–(+1)	+
L-Arabinose	+(–2)	+	+	+	–	–(+2)	+
D-Cellobiose	+	+	–	–	–	–	+
Fructose	+	+	+	+	+	+	+
D-Galactose	+(–2)	+	–	+	+	–(+2)	+
D-Glucose	+	+	+	+	+	+	+
Lactose	+	+	–	–	–	–(+1)	+
D-Mannose	+	+	–	+	+	+	+
D-Maltose	+	+	+	–	–(+2)	–	+
D-Mannitol	+	+	–	–	–	–	+
D-Melibiose	+(–2)	+	+	–	–	–	+
D-Raffinose	+(–3)	+	–	+	–	–	–
L-Rhamnose	+	+	–	–	–	–	–
D-Ribose	+(–1)	+	+	–	–	–	+
Salicin	+	+	–	+	+(–2)	+	+
D-Sorbitol	+	+	–	+	–	–	+
Sucrose	+	+	+	+	–(+1)	+	–
D-Trehalose	+	+	+	+(–2)	-	–	–
D-Xylose	+	+	+	+(–2)	–(+1)	–(+1)	+
meso-DAP	+	+	–	–	–	–	–
Isomer of lactic acid	DL	DL	DL	DL	L	L	L

+, positive reaction; –, negative reaction. Numbers in parentheses indicate the number of isolates showing the reaction.