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  • Title: [New antibiotic no. 792 formed by Actinomyces bottropensis].
    Author: Fedorova GB, Lavrova MF, Lomakina NN, Terekhova LP, Ivanitskaia LP.
    Journal: Antibiotiki; 1977 Jan; 22(1):3-7. PubMed ID: 576572.
    Abstract:
    An actinomycetes strain 792 producing a new antibiotic was isolated under the programme of antitumor antibiotic screening. By its morphological and cultural properties strain 792 was classified as belonging to species Actinomyces bottropensis. Antibiotic 792 was recovered from the culture fluid of the strain by the extraction method in the form of a crystalline orange substances. lambda max 235, 305, 410 nm (E 1% 1cm 705, 105, 168), m. p. 232-255 degrees (dec), molecular weight 340, C 67 per cent, H 4.8 per cent, no nitrogen, sulphur or halogens. The antibiotic was inactivated in alkaline solutions forming a hardly soluble compound crystallizing in the form of red needles, lambda max 256, 485 nm (E 1% 1ct 800, 195), m. p. 202-204 degrees (dec), molecular weight 320, C 69.5 per cent, H 4.7 per cent. Antibiotic 792 had antitumor and antimicrobial activity.
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