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    Properties of a Gallium-Conjugated Siderophore Complex as an Antibacterial Treatment

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    Date
    2018
    Author
    Cendo, Demetri Z.
    Enkeshafi, Parmida
    Han, Paul W.
    Harner, Cameron R.
    Herman, Rae J.
    Huffman, Margo P.
    Lee, Faith C.
    Liu, Qing T.
    Nguyen, Connie P.
    Advisor
    Woodard, Ben
    DRUM DOI
    https://doi.org/10.13016/M23B5WB7J
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    Abstract
    In 2013, the Centers for Disease Control and Prevention estimated that approximately two million individuals in the United States developed antibiotic-resistant infections. This increasing rate of bacterial antibiotic resistance necessitates the development of alternative treatments. Gallium-desferrioxamine (Ga-DFO), a gallium-chelated bacterial siderophore, offers a promising alternative treatment by exploiting the natural iron-uptake pathway of bacteria to introduce toxic gallium ions into the cytoplasm. Previous research demonstrates that the Ga-DFO complex is effective against a number of bacterial strains in ideal treatment conditions. The present study examines the properties of Ga-DFO and its effectiveness against additional strains in a non-iron-depleted environment and in mammalian cell culture. Ga-DFO was found to successfully inhibit the growth of each bacterial strain tested. It was also effective when added at any time point during bacterial growth.
    URI
    http://hdl.handle.net/1903/20673
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