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Some energy relations in a host-virus system

W W ACKERMANN, R B JOHNSON

    The Journal of Experimental Medicine
    |March 1, 1953
    PubMed

    Insights

    2,4-dinitrophenol (DNP) completely inhibits influenza virus propagation without damaging host cells. Viral synthesis energy is derived from the host tissue's oxidative phosphorylation, as shown by DNP

    Area of Science:

    • Virology
    • Cellular Metabolism
    • Biochemistry

    Background:

    • Influenza virus propagation relies on host cell metabolic processes.
    • Understanding the energy sources for viral synthesis is crucial for antiviral development.

    Purpose of the Study:

    • To investigate the effect of 2,4-dinitrophenol (DNP) on influenza virus propagation.
    • To determine the metabolic pathways involved in viral synthesis.

    Main Methods:

    • Using chorioallantoic membranes infected with influenza virus.
    • Assessing viral propagation inhibition by DNP.
    • Measuring ATPase activity, respiration, and phosphate release in response to DNP.

    Main Results:

    • DNP completely inhibited influenza virus propagation in chorioallantoic membranes.
    • DNP stimulated ATPase activity and respiration in host tissues.
    • Viral synthesis correlated inversely with host cell respiration and phosphate release.

    Conclusions:

    • The energy required for influenza viral synthesis is supplied by the host tissue's oxidative phosphorylation.
    • DNP inhibits viral propagation by interfering with host cell energy production, not by direct virucidal effects.
    Keywords:
    INFLUENZA VIRUSES/effect of drugs onNITROPHENOLS/effects

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