TABLE 1.

Antibiotic activities of synthetic and natural turbomycins A and B

Organism and strainGrowth inhibitiona by:
Turbomycin ATurbomycin B
SyntheticNaturalSyntheticNatural
Gram-negative bacteria
    E. herbicola IRQ++++
    E. coli HS997+/−+/−+/−+/−
    P. aeruginosa 9020
    S. enterica serovar Typhi-     murium LT2++++
Gram-positive bacteria
    B. cereus subsp. mycoides 1003++++
    B. subtilis BR151pPL608++++
    E. faecalis 4025
    S. aureus 3001++++
    S. pyogenes 8P01++++
    S. griseus 6501++++
Fungi or Protists
    C. guilliermondii Y001+/−+/−+/−+/−
    P. ultimum 1033
    F. solani (f. sp. glycine) 90.1
  • a +, 2- to 13-mm zone; +/−, 1-mm zone, −, no zone of inhibition.