Isolation and Screening of Polyhydroxyalkanoates Producing Bacteria from Pulp, Paper, and Cardboard Industry Wastes

Table 2

Morphological and biochemical characters of selected isolates.

Morphological characters	NAP11	NAC1
Colony color	White	Cream
Colony texture	Smooth	Smooth-elevated
Gram reaction	+ve	−ve
Cell shape	Cocci-shaped	Rod-shaped
Cell arrangement	Chain	Chain
Spore formation	−ve	−ve
Biochemical tests
Citrate utilization test	−ve	−ve
Indole test	+ve	+ve
Methyl red test	−ve	−ve
V-P test	−ve	−ve
H2S production test	+ve	+ve
Amylase production test	−ve	−ve
Sucrose	+ve	−ve
Dextrose	+ve	+ve
Mannitol	+ve	+ve
Trehalose	+ve	+ve
D-Arabinose	−ve	−ve
Maltose	+ve	+ve
Glucose	+ve	+ve
Raffinose	+ve	+ve with gas production
Xylose	−ve	−ve
Sorbitol	−ve	−ve
Lactose	−ve	−ve
Mannose	−ve	−ve
Fructose	+ve	−ve
Ribose	−ve	−ve
Inulin	−ve	−ve
Esculin	−ve	−ve
Mellibiose	−ve	−ve
Ramanose	−ve	−ve