Isolation of halophilic and halotolerant actinomycetes Halotolerant and
halophilic actinomycetes were isolated from sediment samples in three different
media viz. Starch casein agar (soluble starch 10 g/L; casein powder 1 g/L; sea water
37 g/L; agar 15 g/L; pH 7.2 2), R2A agar (casein acid hydrolysate 0.5 g/L, yeast
extract 0.5 g/L, proteose peptone 0.5 g/L; dextrose 0.5 g/L; soluble starch 0.5 g/L; dipotassium
phosphate 0.3 g/L; magnesium sulphate 0.024 g/L; sodium pyruvate
0.3 g/L; pH 7.2 2) and Inorganic salt starch agar (soluble starch 10 g/L; di-potassium
phosphate 1 g/L; magnesium sulphate 1 g/L; ammonium sulphate 2 g/L; calcium
carbonate 2 g/L; ferrous sulphate 0.001 g/L; manganous chloride 0.001 g/L;
agar 15 g/L; pH 7.2 2) at 4 different salt concentrations, 32, 50, 75 and 100 psu.