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  • New antibiotic kills pathogenic bacteria, spares healthy gut microbes

    The research team standing on stairs.

    The study team included, back row, from left, graduate student Rebecca Ulrich; chemistry professor Paul Hergenrother; Chris Fields, of the Roy J. Carver Biotechnology Center, research scientist Po-Chao Wen, graduate student Matt Sinclair; and, front row, from left, senior scientist Hyang Yeon Lee; Jessica Holmes, of the Roy J. Carver Biotechnology Center; and biochemistry professor Emad Tajkhorshid. (Study lead author Kristen Muñoz is pictured below.)

    Photo by Michelle Hassel


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  • Editor’s note:   

    To reach Paul Hergenrother, email
    To reach Kristen Muñoz, email
    The paper “A Gram-negative-selective antibiotic spares the gut microbiome” is available online or from

    DOI: 0.1038/s41586-024-07502-0