Glidobactins A, B and C, new antitumor antibiotics. I. Production, isolation, chemical properties and biological activity

J Antibiot (Tokyo). 1988 Oct;41(10):1331-7. doi: 10.7164/antibiotics.41.1331.

Abstract

New antitumor antibiotic glidobactins A, B and C were isolated from the cultured broth of a gliding bacterium, Polyangium brachysporum sp. nov. No. K481-B101. They are novel molecules carrying the common cyclic tripeptide nucleus substituted with different alpha, beta, gamma, delta-unsaturated fatty acids. Glidobactins exhibit broad inhibitory activity against fungi and yeasts, and prolong the life span of mice inoculated with P388 leukemia cells.

MeSH terms

  • Animals
  • Antibiotics, Antineoplastic / isolation & purification*
  • Antibiotics, Antineoplastic / pharmacology
  • Chemical Phenomena
  • Chemistry
  • Drug Screening Assays, Antitumor
  • Female
  • Fungi / drug effects
  • Leukemia L1210 / drug therapy
  • Leukemia P388 / drug therapy
  • Lysine / analogs & derivatives
  • Lysine / isolation & purification
  • Lysine / pharmacology
  • Magnetic Resonance Spectroscopy
  • Male
  • Melanoma, Experimental / drug therapy
  • Mice
  • Microbial Sensitivity Tests
  • Myxococcales / metabolism
  • Peptides, Cyclic
  • Spectrophotometry, Infrared

Substances

  • Antibiotics, Antineoplastic
  • Peptides, Cyclic
  • glidobactin A
  • glidobactin B
  • glidobactin C
  • Lysine