Screening and characterization of PHA producing bacteria from sewage water identifying Bacillus paranthracis RSKS-3 for bioplastic production

Table 9 Biochemical tests of PHA producing bacterial isolates

NAME OF THE BIOCHEMICAL TESTS	ISOLATES OBSERVATIONS
NAME OF THE BIOCHEMICAL TESTS	P-1	P-2	P-3	P-4	P-5	P-7	P-9	P-11	P-12	P-13	P-14	P-16	P-18	P-19	P-20	P-21	P-24	P-25	P-26
Indole test	+	+	+	+	-	+	+	+	+	+	+	+	+	+	+	+	+	+	+
Methyl-red test	-	+	-	-	-	-	+	-	-	+	-	-	-	+	-	-	-	+	-
Voges-Proskauer test	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Citrate utilization test	+	+	+	+	+	+	-	+	-	+	+	-	+	+	-	-	+	+	+
Starch hydrolysis test	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Oxidase test	-	+	+	-	+	+	+	-	+	+	+	+	+	+	+	-	+	+	+
Catalase test	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+	+
Urease test	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Sulfide reduction test	-	-	-	+	-	+	+	+	+	-	-	+	-	-	-	-	-	+	+
Nitrate reduction test	-	-	-	-	+	+	-	-	-	+	+	+	-	-	-	+	-	-	-
Triple Sugar Iron test	a/a*	a/a*	a/a*	a/a*	a/a*	a/a*	a/a*	a/a*	a/a	a/a	a/a*	a/a	a/a*	a/a	a/a*	a/a	a/a*	a/a*	a/a*
Mannitol salt agar growth	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Spirit blue agar growth	+	-	+	+	+	+	+	-	-	-	-	-	+	-	+	+	-	-	-

ISSN: 1471-2180