Ankara Üniversitesi Veteriner Fakültesi Dergisi

Öz

In recent years therc has been an intensive sea"rch for microorga~
nisms which produce antibiotics during growth on artifieial media.
Many sources of microorganisms have been examined for the presence of these forms. However, with few exceptions, the microbiological techniques utilizede for the examination of these sources have
been those which would yicld aerobic microorganisms. Thus, the
possibility of anaerobic production of antibioties by microorganisms
seems to have somewhat overlooked, although there are a few reports
of such "occurrences for specific microorganisms. Miller (1959)
described the isolation of an anaerobic Bacteroides species from the
intestine of a mouse which had received streptomycin by stomach
tu be. In vitro and under anaerobic growth conditions this organisms
produced an antibiotic which inhibited the growth of certain strains
of salmoneıla, Proteus, Pseudomonas, and staphylococcus.