{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T00:03:34Z","timestamp":1793491414319,"version":"4.5.0"},"reference-count":63,"publisher":"American Society for Microbiology","issue":"3","license":[{"start":{"date-parts":[[2025,3,5]],"date-time":"2025-03-05T00:00:00Z","timestamp":1741132800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,3,5]],"date-time":"2025-03-05T00:00:00Z","timestamp":1741132800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/501100005187","name":"National and Kapodistrian University of Athens","doi-asserted-by":"crossref","award":["GLD account number 9230"],"award-info":[{"award-number":["GLD account number 9230"]}],"id":[{"id":"10.13039\/501100005187","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Federal Ministry of Education and Research [Germany]","award":["SR project 01KI2018"],"award-info":[{"award-number":["SR project 01KI2018"]}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Antimicrob Agents Chemother"],"published-print":{"date-parts":[[2025,3,5]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title\/>\n                    <jats:p>\n                      Acquisition of multiple carbapenemase genes by\n                      <jats:italic>Klebsiella pneumoniae<\/jats:italic>\n                      (Kp) is an emerging public health threat. Here, we aim to elucidate the population structure of Kp blood isolates carrying two different carbapenemase genes and identify the mechanism facilitating their dissemination. The study was conducted in a tertiary healthcare center between 2014 and 2022. Twenty-four patients with bacteremia caused by Kp carrying two different carbapenemase genes were identified. All 24 blood isolates were analyzed by short-read genome sequences supplemented by long reads in a selected number of isolates. All isolates carried\n                      <jats:italic>bla<\/jats:italic>\n                      <jats:sub>KPC<\/jats:sub>\n                      (23\n                      <jats:italic>bla<\/jats:italic>\n                      <jats:sub>KPC-2<\/jats:sub>\n                      , 1\n                      <jats:italic>bla<\/jats:italic>\n                      <jats:sub>KPC-3<\/jats:sub>\n                      ) and\n                      <jats:italic>bla<\/jats:italic>\n                      <jats:sub>VIM-1<\/jats:sub>\n                      genes, along with a variety of antimicrobial resistance determinants. The isolates were clustered in six clonal lineages (ST39, ST147, ST323, ST258, ST3035, and ST340). Long-read genome sequences demonstrated that each carbapenemase gene was located in a separate group of plasmids: the\n                      <jats:italic>bla<\/jats:italic>\n                      <jats:sub>KPC-2<\/jats:sub>\n                      on a fusion of IncFIB(pQil) and IncFII(K) plasmids, the\n                      <jats:italic>bla<\/jats:italic>\n                      <jats:sub>KPC-3<\/jats:sub>\n                      on IncX3, the\n                      <jats:italic>bla<\/jats:italic>\n                      <jats:sub>VIM-1<\/jats:sub>\n                      on IncC, or a fusion of the IncFIB(pNDM-Mar) and IncHI1B(pNDM-MAR) plasmids. Comparison of plasmid content of eight isolates carrying a single carbapenemase gene from a previous study with eight isolates carrying two carbapenemase genes from the present study, matched by clonal lineages, revealed that the second carbapenemase gene was acquired by addition of another plasmid. Identical plasmids were found within the same lineage and across lineages. These findings suggest that dissemination of carbapenemase genes in our hospital setting was driven by multiple plasmids across a variety of highly efficient clones.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1128\/aac.01462-24","type":"journal-article","created":{"date-parts":[[2025,2,3]],"date-time":"2025-02-03T09:00:27Z","timestamp":1738573227000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":13,"title":["Double carbapenemases in\n                    <i>Klebsiella pneumoniae<\/i>\n                    blood isolates: dissemination in a single medical center via multiple plasmids and a variety of highly efficient clones"],"prefix":"10.1128","volume":"69","author":[{"given":"Anastasia","family":"Rigatou","sequence":"first","affiliation":[{"name":"Department of Microbiology, Laiko General Hospital","place":["Athens, Greece"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1405-2365","authenticated-orcid":false,"given":"Ayorinde O.","family":"Afolayan","sequence":"additional","affiliation":[{"name":"Institute for Infection Prevention and Control, Medical Center - University of Freiburg","place":["Freiburg, Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizabeth-Barbara","family":"Tatsi","sequence":"additional","affiliation":[{"name":"Infectious Diseases Research Laboratory, First Department of Pediatrics, \u201cAghia Sophia\u201d Children\u2019s Hospital, National and Kapodistrian University of Athens","place":["Athens, Greece"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ioannis","family":"Deliolanis","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Laiko General Hospital","place":["Athens, Greece"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1745-1118","authenticated-orcid":true,"given":"Athanasios","family":"Michos","sequence":"additional","affiliation":[{"name":"Infectious Diseases Research Laboratory, First Department of Pediatrics, \u201cAghia Sophia\u201d Children\u2019s Hospital, National and Kapodistrian University of Athens","place":["Athens, Greece"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1672-5789","authenticated-orcid":true,"given":"Sandra","family":"Reuter","sequence":"additional","affiliation":[{"name":"Institute for Infection Prevention and Control, Medical Center - University of Freiburg","place":["Freiburg, Germany"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5365-4874","authenticated-orcid":true,"given":"George L.","family":"Daikos","sequence":"additional","affiliation":[{"name":"First Department of Medicine, Laiko General Hospital, National and Kapodistrian University of Athens","place":["Athens, Greece"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_5_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(17)30228-1"},{"key":"e_1_3_5_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijantimicag.2019.10.014"},{"key":"e_1_3_5_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cmi.2023.11.008"},{"key":"e_1_3_5_5_2","doi-asserted-by":"publisher","DOI":"10.1128\/CMR.05035-11"},{"key":"e_1_3_5_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(13)70190-7"},{"key":"e_1_3_5_7_2","doi-asserted-by":"publisher","DOI":"10.1128\/aac.01406-22"},{"key":"e_1_3_5_8_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.01148-20"},{"key":"e_1_3_5_9_2","unstructured":"Anon. 2023. 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Retrieved 6 Aug 2024."}],"container-title":["Antimicrobial Agents and Chemotherapy"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.asm.org\/doi\/pdf\/10.1128\/aac.01462-24","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.asm.org\/doi\/pdf\/10.1128\/aac.01462-24","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,4]],"date-time":"2025-04-04T01:13:27Z","timestamp":1743729207000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.asm.org\/doi\/10.1128\/aac.01462-24"}},"subtitle":[],"editor":[{"given":"Laurent","family":"Poirel","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"editor"}]}],"short-title":[],"issued":{"date-parts":[[2025,3,5]]},"references-count":63,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2025,3,5]]}},"alternative-id":["10.1128\/aac.01462-24"],"URL":"https:\/\/doi.org\/10.1128\/aac.01462-24","relation":{},"ISSN":["0066-4804","1098-6596"],"issn-type":[{"value":"0066-4804","type":"print"},{"value":"1098-6596","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,3,5]]},"assertion":[{"value":"2024-10-06","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2024-12-27","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2025-02-03","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e01462-24"}}