Research Article

Rare Halophilic Nocardiopsis from Algerian Saharan Soils as Tools for Biotechnological Processes in Pharmaceutical Industry

Table 1

Cultural characteristics of 23 halophilic Nocardiopsis isolated from Saharan soils.

Medium with 10% NaClGroupNumber of isolatesGrowthColor of aerial myceliumColor of substrate myceliumDiffusible pigment

Yeast extract-malt extract agar (ISP2)G121++White to pale yellowPale yellowNone
G201++Pale pinkLight reddish brownModerate reddish brown
G301++NoneOrangeNone

Inorganic salt-starch agar (ISP4)G121+YellowishModerate yellowNone
G201+NoneModerate reddish pinkNone
G301+NoneNoneNone

Bacto tryptic-soy agar (TSA)G121+++Light yellowPale yellowNone
G201+++Pale pinkLight reddish brownModerate reddish brown
G301+++NoneOrangeNone

Complex medium agar (CMA)G121+++Light yellowPale yellowNone
G201+++Pale pinkLight reddish brownModerate reddish brown
G301+++NoneOrangeNone

+++ = abundant; ++ = moderate; + = poor. All media were supplemented with 10% () NaCl (pH 7.2). Colors were taken from ISCC-NBS color charts [32].