{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T10:32:04Z","timestamp":1790505124030,"version":"4.1.0"},"reference-count":39,"publisher":"American Society for Microbiology","issue":"4","license":[{"start":{"date-parts":[[2017,7,25]],"date-time":"2017-07-25T00:00:00Z","timestamp":1500940800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2017,9,6]],"date-time":"2017-09-06T00:00:00Z","timestamp":1504656000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/100000002","name":"HHS | National Institutes of Health","doi-asserted-by":"publisher","award":["AI094475"],"award-info":[{"award-number":["AI094475"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"HHS | National Institutes of Health","doi-asserted-by":"publisher","award":["GM115355"],"award-info":[{"award-number":["GM115355"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["mBio"],"published-print":{"date-parts":[[2017,9,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            The infectious diseases caused by multidrug-resistant bacteria pose serious threats to humankind. It has been suggested that an antibiotic targeting LpxC of the lipid A biosynthetic pathway in Gram-negative bacteria is a promising strategy for curing Gram-negative bacterial infections. However, experimental proof of this concept is lacking. Here, we describe our discovery and characterization of a biphenylacetylene-based inhibitor of LpxC, an essential enzyme in the biosynthesis of the lipid A component of the outer membrane of Gram-negative bacteria. The compound LPC-069 has no known adverse effects in mice and is effective\n            <jats:italic>in vitro<\/jats:italic>\n            against a broad panel of Gram-negative clinical isolates, including several multiresistant and extremely drug-resistant strains involved in nosocomial infections. Furthermore, LPC-069 is curative in a murine model of one of the most severe human diseases, bubonic plague, which is caused by the Gram-negative bacterium\n            <jats:italic>Yersinia pestis<\/jats:italic>\n            . Our results demonstrate the safety and efficacy of LpxC inhibitors as a new class of antibiotic against fatal infections caused by extremely virulent pathogens. The present findings also highlight the potential of LpxC inhibitors for clinical development as therapeutics for infections caused by multidrug-resistant bacteria.\n          <\/jats:p>\n          <jats:p>\n            <jats:bold>IMPORTANCE<\/jats:bold>\n            The rapid spread of antimicrobial resistance among Gram-negative bacilli highlights the urgent need for new antibiotics. Here, we describe a new class of antibiotics lacking cross-resistance with conventional antibiotics. The compounds inhibit LpxC, a key enzyme in the lipid A biosynthetic pathway in Gram-negative bacteria, and are active\n            <jats:italic>in vitro<\/jats:italic>\n            against a broad panel of clinical isolates of Gram-negative bacilli involved in nosocomial and community infections. The present study also constitutes the first demonstration of the curative treatment of bubonic plague by a novel, broad-spectrum antibiotic targeting LpxC. Hence, the data highlight the therapeutic potential of LpxC inhibitors against a wide variety of Gram-negative bacterial infections, including the most severe ones caused by\n            <jats:italic>Y.\u00a0pestis<\/jats:italic>\n            and by multidrug-resistant and extensively drug-resistant carbapenemase-producing strains.\n          <\/jats:p>","DOI":"10.1128\/mbio.00674-17","type":"journal-article","created":{"date-parts":[[2017,7,26]],"date-time":"2017-07-26T00:10:21Z","timestamp":1501027821000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":30,"title":["Curative Treatment of Severe Gram-Negative Bacterial Infections by a New Class of Antibiotics Targeting LpxC"],"prefix":"10.1128","volume":"8","author":[{"given":"Nadine","family":"Lema\u00eetre","sequence":"first","affiliation":[{"name":"Inserm, Univ. of Lille, CNRS, CHU Lille, Institut Pasteur de Lille, U1019\u2014UMR8204\u2014CIIL\u2014Center for 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Institut Pasteur de Lille, U1019\u2014UMR8204\u2014CIIL\u2014Center for Infection and Immunity of Lille, F-59000 Lille, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emmanuelle","family":"Leteurtre","sequence":"additional","affiliation":[{"name":"Inserm, CHU Lille, UMR-S 1172\u2014JPARC\u2014Jean-Pierre Aubert Research Center, Univ. of Lille, F-59000 Lille, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michel","family":"Simonet","sequence":"additional","affiliation":[{"name":"Inserm, Univ. of Lille, CNRS, CHU Lille, Institut Pasteur de Lille, U1019\u2014UMR8204\u2014CIIL\u2014Center for Infection and Immunity of Lille, F-59000 Lille, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric J.","family":"Toone","sequence":"additional","affiliation":[{"name":"Department of Chemistry, Duke University, Durham, North Carolina, USA"},{"name":"Department of Biochemistry, Duke University Medical Center, Durham, North 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