TABLE 1.

Carbon and nitrogen sources, B-vitamins, and soil extract in selective media targeting Actinobacteria (Kurtböke, 2003).

Media	C-source	N-source	B-vitamins1
AV	Glucose	Arginine	+
	Glycerol
MC	Glucose	NaNO3
MGA-SE2	Glucose	L-Asperagine
	Soil extract
GAC	Glucose	L-Asperagine
HV	Humic acid	Humic acid	+
LSV-SE2	Lignin	Soy bean flour	+
	Soil extract

¹Composed of 0.5 mg each of thiamine-HCl, riboflavin, niacin, pyridoxin-HCl, inositol, Ca-pantothenate, p-aminobenzoic acid and 0.25 mg of biotin. ²SE = soil extract.