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% NaCl | Group | Number of isolates | Growth | Color of aerial mycelium | Color of substrate mycelium | Diffusible pigment |
| Yeast extract-malt extract agar (ISP2) | G1 | 21 | ++ | White to pale yellow | Pale yellow | None | G2 | 01 | ++ | Pale pink | Light reddish brown | Moderate reddish brown | G3 | 01 | ++ | None | Orange | None |
| Inorganic salt-starch agar (ISP4) | G1 | 21 | + | Yellowish | Moderate yellow | None | G2 | 01 | + | None | Moderate reddish pink | None | G3 | 01 | + | None | None | None |
| Bacto tryptic-soy agar (TSA) | G1 | 21 | +++ | Light yellow | Pale yellow | None | G2 | 01 | +++ | Pale pink | Light reddish brown | Moderate reddish brown | G3 | 01 | +++ | None | Orange | None |
| Complex medium agar (CMA) | G1 | 21 | +++ | Light yellow | Pale yellow | None | G2 | 01 | +++ | Pale pink | Light reddish brown | Moderate reddish brown | G3 | 01 | +++ | None | Orange | None |
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+++ = abundant; ++ = moderate; + = poor. All media were supplemented with 10% ( ) NaCl (pH 7.2). Colors were taken from ISCC-NBS color charts [ 32]. |