| studies on wf-3161, a new antitumor antibiotic. | wf-3161 is an antitumor antibiotic produced by a strain of fungus, petriella guttulata. the antibiotic was purified by solvent extraction and a combination of silica gel and reverse phase column chromatography. the chemical structure of the antibiotic (c31h44n4o6, mp 181-183 degrees c) was found to be a cyclic tetrapeptide consisting of phenylalanine, leucine, pipecolinic acid and 2-amino-8-oxo-9,10-epoxydecanoic acid. wf-3161 inhibited the growth of trichophyton asteroides. it prolonged surviva ... | 1983 | 6860430 |
| coprophilous fungi of the horse. | a total of 1267 microfungi, including 35 myxomycetes, were recorded from the fecal samples of the 60 horses; of these 395 were found on 20 saddle-horse feces, 363 on 20 race-horses and 509 on 20 working horses. eighty two species representing 53 genera were recorded; of these 7 were zygomycetes, 18 ascomycetes, 1 basidiomycetes and 25 fungi imperfecti: 2 myxomycetes. common coprophilous fungi are in decreasing order pilobolus kleinii, saccobolus depauperatus, mucor hiemalis, lasiobolus ciliatus, ... | 1981 | 7242651 |