An oleaginous endophyte Bacillus subtilis HB1310 isolated from thin-shelled walnut and its utilization of cotton stalk hydrolysate for lipid production

Table 2 Growth and lipid production of Bacillus subtillis HB1310 with different carbon sources, nitrogen sources, temperatures, and pH values

Carbon source	Citrate	Glucose	Xylose	Sucrose	Mannitol	Sodium acetate	Lactose	Arabinose
Growth	+	++	++	+	++	-	+	-
Lipid production	+	++	++	+	+	-	+	-
Nitrogen source	Ammonium sulfate	Yeast extract	Ammonium nitrate	Potassium nitrate	Sodium nitrate	Urea	Peptone	Ammonium bicarbonate
Growth	+	++	++	++	+	+	++	+
Lipid production	+	++	+	+	+	+	+	+
Culture temperature (°C)	4	20	30	37	45	55	65	75
Growth	+	+	++	++	++	+	+	+
Lipid production	-	+	++	++	++	+	+	+
Culture pH value	5.5	6.0	6.5	7.0	7.5	8.0	8.5	9.0
Growth	+	++	++	++	++	+	+	+
Lipid production	-	+	++	++	+	+	+	+

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