{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T08:19:09Z","timestamp":1790324349816,"version":"4.1.0"},"reference-count":44,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2019,5,3]],"date-time":"2019-05-03T00:00:00Z","timestamp":1556841600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Viruses"],"abstract":"<jats:p>Klebsiella pneumoniae is a bacterial pathogen of high public health importance. Its polysaccharide capsule is highly variable but only a few capsular types are associated with emerging pathogenic sublineages. The aim of this work is to isolate and characterize new lytic bacteriophages and assess their potential to control infections by the ST23 and ST258 K. pneumoniae sublineages using a Galleria mellonella larvae model. Three selected bacteriophages, targeting lineages ST258 (bacteriophages vB_KpnP_KL106-ULIP47 and vB_KpnP_KL106-ULIP54) and ST23 (bacteriophage vB_KpnP_K1-ULIP33), display specificity for capsular types KL106 and K1, respectively. These podoviruses belong to the Autographivirinae subfamily and their genomes are devoid of lysogeny or toxin-associated genes. In a G. mellonella larvae model, a mortality rate of 70% was observed upon infection by K. pneumoniae ST258 and ST23. This number was reduced to 20% upon treatment with bacteriophages at a multiplicity of infection of 10. This work increases the number of characterized bacteriophages infecting K. pneumoniae and provides information regarding genome sequence and efficacy during preclinical phage therapy against two prominent sublineages of this bacterial species.<\/jats:p>","DOI":"10.3390\/v11050411","type":"journal-article","created":{"date-parts":[[2019,5,7]],"date-time":"2019-05-07T03:15:46Z","timestamp":1557198946000},"page":"411","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":51,"title":["New Bacteriophages against Emerging Lineages ST23 and ST258 of Klebsiella pneumoniae and Efficacy Assessment in Galleria mellonella Larvae"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5161-7364","authenticated-orcid":false,"given":"Damien","family":"Thiry","sequence":"first","affiliation":[{"name":"Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, ULi\u00e8ge, 4000 Li\u00e8ge, Belgium"},{"name":"Biodiversity and Epidemiology of Bacterial Pathogens, Institut Pasteur, 75015 Paris, France"},{"name":"Laboratory of Gene Technology, Department of Biosystems, KU Leuven, 3001 Heverlee, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Virginie","family":"Passet","sequence":"additional","affiliation":[{"name":"Biodiversity and Epidemiology of Bacterial Pathogens, Institut Pasteur, 75015 Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katarzyna","family":"Danis-Wlodarczyk","sequence":"additional","affiliation":[{"name":"Laboratory of Gene Technology, Department of Biosystems, KU Leuven, 3001 Heverlee, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7826-3378","authenticated-orcid":false,"given":"C\u00e9dric","family":"Lood","sequence":"additional","affiliation":[{"name":"Laboratory of Gene Technology, Department of Biosystems, KU Leuven, 3001 Heverlee, Belgium"},{"name":"Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, KU Leuven, 3001 Heverlee, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2185-5724","authenticated-orcid":false,"given":"Jeroen","family":"Wagemans","sequence":"additional","affiliation":[{"name":"Laboratory of Gene Technology, Department of Biosystems, KU Leuven, 3001 Heverlee, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3785-550X","authenticated-orcid":false,"given":"Luisa","family":"De Sordi","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Institut Pasteur, 75015 Paris, France"},{"name":"Laboratoire des Biomol\u00e9cules, H\u00f4pital Saint-Antoine, Sorbonne Universit\u00e9, 75012 Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8436-6602","authenticated-orcid":false,"given":"Vera","family":"van Noort","sequence":"additional","affiliation":[{"name":"Centre of Microbial and Plant Genetics, Department of Microbial and Molecular Systems, KU Leuven, 3001 Heverlee, Belgium"},{"name":"Institute of Biology Leiden, Leiden University, 2311 Leiden, The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1359-6689","authenticated-orcid":false,"given":"Nicolas","family":"Dufour","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Institut Pasteur, 75015 Paris, France"},{"name":"Service de R\u00e9animation M\u00e9dico-Chirurgicale, Centre Hospitalier Ren\u00e9 Dubos, 95300 Pontoise, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6875-5758","authenticated-orcid":false,"given":"Laurent","family":"Debarbieux","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Institut Pasteur, 75015 Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jacques G.","family":"Mainil","sequence":"additional","affiliation":[{"name":"Bacteriology, Department of Infectious and Parasitic Diseases, FARAH and Faculty of Veterinary Medicine, ULi\u00e8ge, 4000 Li\u00e8ge, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2516-2108","authenticated-orcid":false,"given":"Sylvain","family":"Brisse","sequence":"additional","affiliation":[{"name":"Biodiversity and Epidemiology of Bacterial Pathogens, Institut Pasteur, 75015 Paris, France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7377-1314","authenticated-orcid":false,"given":"Rob","family":"Lavigne","sequence":"additional","affiliation":[{"name":"Laboratory of Gene Technology, Department of Biosystems, KU Leuven, 3001 Heverlee, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2019,5,3]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"483","DOI":"10.3389\/fcimb.2017.00483","article-title":"Antimicrobial Resistance of Hypervirulent Klebsiella pneumoniae: Epidemiology, Hypervirulence-Associated Determinants, and Resistance Mechanisms","volume":"7","author":"Lee","year":"2017","journal-title":"Front. 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