Table 4.

Thermal and pH preferences of acidophilic strains.

Species	Strain no.	Thermal preferences (° C)						pH
		4	10	18	25	30	37	1	3	5	7	9
Acidomyces acidophilum	CBS 899.87	-	-	+	++	+	-	+	+	++	+	±
	CBS 335.97	+	+	++	+	+	-	+	++	++	+	-
	dH 12881	+	+	++	++	+	-	+	++	+	±	-
	dH 11526	+	+	+	+	++	-	+	++	++	+	-
	dH 13081	+	+	+	++	+	-	±	++	++	+	-

++ = maximum growth recorded; + = growth; ± = weak growth; - = no growth.