Inventors:
Guy T. Carter - Suffern NY
Margaret J. Torrey - Suffern NY
Michael Greenstein - Suffern NY
Assignee:
American Cyanamid Company - Madison NJ
International Classification:
C12P 1718
G12N 120
Abstract:
This invention relates to new agents designated LL-F28249. alpha. , LL-F28249. beta. , LL-F28249. gamma. , LL-F28249. delta. , LLF28249. epsilon. , LL-F28249. zeta. , LL-F28249. eta. , LL-F28249. theta. , LL-F28249. iota. , LL-F28249. kappa. , LL-F28249. lambda. , LL-F28249. mu. , LL-F28249. nu. , and LL-F28249. omega. , to their production by fermentation, to methods for their recovery and concentration from crude solutions, to processes for their purification and to pharmaceutically and pharmacologically-acceptable salts thereof. The present invention includes within its scope the biologically pure culture which produces there agents, derived from a newly-discovered and previously uncultured microorganism, Streptomyces cyaneogriseus subsp. noncyanogenus, NRRL 15773.