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Gentamicins.

A A Abou-Zeid, Y M Shehata

    Zentralblatt Fur Bakteriologie, Parasitenkunde, Infektionskrankheiten Und Hygiene. Zweite Naturwissenschaftliche Abt.: Allgemeine, Landwirtschaftliche Und Technische Mikrobiologie
    |January 1, 1977
    PubMed
    Summary
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    Gentamicin, a broad-spectrum antibiotic derived from Micromonospora purpurea, demonstrates potent bactericidal activity against numerous Gram-positive and Gram-negative bacteria. Its production was enhanced by incorporating cobalt into the growth medium.

    Area of Science:

    • Microbiology
    • Pharmacology

    Background:

    • Gentamicin is a novel antibiotic developed by Schering Corporation.
    • It is derived from Micromonospora purpurea, a unique microbial source.

    Purpose of the Study:

    • To characterize the components of the gentamicin complex.
    • To evaluate the in vivo efficacy of gentamicin against various bacterial pathogens.

    Main Methods:

    • Paper chromatographic techniques were employed to identify gentamicin components (C', C'a, C2).
    • In vivo studies assessed gentamicin's activity against Gram-positive and Gram-negative organisms.

    Main Results:

    • Gentamicin exhibits broad-spectrum bactericidal activity.
    • Effective against Staphylococcus aureus (including penicillinase-resistant strains), beta-hemolytic Streptococci, Proteus, Pseudomonas, E. coli, Aerobacter, Klebsiella, Salmonella, and Shigella.

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  • Cobalt supplementation improved gentamicin production.

    • Conclusions:

    • Gentamicin is a significant broad-spectrum antibiotic with demonstrated in vivo efficacy.
    • The characterization and production improvements contribute to its therapeutic potential.