Research Article

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

Table 4

Differential characteristics between isolates of the second clade and phylogenetically related species Nocardiopsis litoralis and N. kunsanensis.
(a)

CharacteristicsIsolates AHN. litoralis JSM 073097TN. kunsanensis HA-9T
01123852636467

Degradation of organic compounds:
 Casein+++--+++-+
 Esculin+---++----
 Starch++++++++-+
 Tween 80++++++++-
Carbon source utilization:ND
 Adonitol++++-+++-ND
 Arabinose++-+++++-ND
 Cellobiose++++++++--
 Fructose+-++++-+-+
 Galactose+--++++---
 lactose---+++++-
 Maltose++++++++--
 Mannitol+--+++++--
 Melibiose----++---ND
 Raffinose---+++----
 Rhamnose+-++++-+--
 Ribose+++-++++-ND
 Trehalose-+--++++--
 Xylose++-++++-+-
Nitrogen source utilization:
 Alanine+-++++++++
 Proline++++++++--
 Serine-+++++++--
 Nitrate reductase+++-++++--
Decarboxylation of sodium salts:
 Acetate++-+++++--
 Citrate++++++++-ND

(b)

NaCl range (optimum) (%; )

Temperature range (optimum) (°C)28-37 (30)20-35 (25)28-37 (30)
pH range (optimum)7-9 (7)6.0-10.5 (8.5)7.0-11.0 (9.0)
Diagnostic sugarsGlu, ribNoneNone
Major phospholipidsPG, PC, PME, and PIDPG, PC, and PGDPG, PC, and PG

+, property present; -, property absent; ND: not determined. All experiments were done in duplicates. DPG: diphosphatidylglycerol; PC: phosphatidylcholine; PE: phosphatidylethanolamine; PG: phosphatidylglycerol; PI: phosphatidylinositol; PME: phosphatidylmethylethanolamine.