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

Table 6

Antimicrobial activities of halophilic Nocardiopsis isolates against various microorganisms.

Bioassay organisms

Clusters and isolates

Single isolates

I

II

III

IV

V

AH15, AH17, AH33, AH47, AH57, and AH65

AH36, AH44

AH25, AH62

AH0, AH67

AH1, AH52

AH4

AH12

AH19

AH24

AH26

AH37

AH38

AH46

AH63

Staphylococcus aureus

–

10 to 12

–

–

–

–

–

13

12

–

–

–

11

–

Agrobacterium tumefaciens

10 to 15

10 to 14

11 to 13

–

10 to 19

11

11

13

11

11

–

–

–

–

Klebsiella pneumoniae

–

10 to 14

–

–

10 to 16

13

–

11

–

–

–

–

14

–

Pseudomonas syringae

12 to 24

18 to 20

13 to 16

12 to 22

12 to 20

24

11

23

12

18

–

18

20

12

Salmonella enterica

16 to 20

15 to 20

10 to 20

15 to 25

14 to 22

12

15

20

25

20

–

18

21

17

Serratia marcescens

10 to 20

10 to 15

11 to 18

18 to 25

–

12

–

20

20

–

–

–

–

11

Kluyveromyces lactis

10 to 13

16 to 30

10 to 17

–

–

12

13

11

20

15

–

14

–

15

Rhizopus nigricans

20 to 30

15 to 30

10 to 30

–

10 to 28

–

–

–

20

–

–

–

20

–

–, no activity. The numbers indicated the diameters of inhibition zones (in millimeter) using the agar cylinder method. The diameter of the cylinder agar (5 mm) does not include in the measurements. Agar cylinders (not seeded with actinomycetes) were used as controls.