Table 1.

Screening of stickiness, and PGA production at different pH and temperatures.

Organisms	Strain code	Stickiness (cm)	PGA production
			pH 7.5	30°C
Bacillus subtilis (n = 13)	KAS:B5	16	++	+++
	KAS:B6	18	++	+++
	KAS:B18	6	+	+
	KAS:B29	16	++	+++
	KAS:B36	4	+	+
	KAS:B39	15	++	+++
	KLM:B68	3	+	+
	KLM:B78	3	+	+
	KLM:B86	4	+	+
	KLM:B98	4	+	+
	KAS:B102	20	++	+++
	KLM:B112	23	++	+++
	KLM:B114	2	+	+
B. licheniformis (n = 4)	KAS:B46	4	+	+
	KAS:B56	20	++	+++
	KLM:B92	21	++	+++
	KLM:B108	2	+	+
B. pumulis (n = 5)	KAS:B15	3	+	+
	KAS:B48	5	+	+
	KLM:B73	5	+	+
	KLM:B93	6	+	+
	KLM:B106	4	+	+
B. sphaericus (n = 8)	KAS:B9	2	+	+
	KAS:B16	4	+	+
	KAS:B19	5	+	+
	KAS:B49	6	+	+
	KLM:B66	3	+	+
	KLM:B72	2	+	+
	KLM:B82	2	+	+
	KLM:B96	2	+	+
B. cereus (n = 9)	KAS:B8	2	_	_
	KAS:B10	1	_	_
	KAS:B38	2	_	_
	KAS:B58	2	_	_
	KLM:B74	2	_	_
	KLM:B84	2	_	_
	KLM:B85	2	_	_
	KLM:B88	3	_	_
	KLM:B104	1	_	_

n, number of isolates in parenthesis. +++, high clumping of insoluble precipitate; ++, more clumping of precipitate; +, moderate clumping of precipitate; -, no clumping of precipitate. No precipitate was observed in pH 5 and 9, and at 45°C.