Table 2.

Recovery of rare actinomycetes colonies using selective isolation methods

Treatment	Media	Antibiotics used	No. of colonies	Reference
1.5% phenol	ISP 5	Gentamicin	16	46
1.5% phenol	ISP 7	Nalidixic acid/gentamicin	10	47
Air dry	SCA	Gentamicin	9	48
Air dry	ISP 7	Streptomycin	5	49
Heat treatment	ISP 2	Gentamicin	7	50
Heat treatment	ISP 5	Kanamycin	5	51
Chloramine treatment	ISP 7	Streptomycin	4	52