{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T01:31:50Z","timestamp":1790472710972,"version":"4.1.0"},"reference-count":17,"publisher":"American Society for Microbiology","issue":"1","license":[{"start":{"date-parts":[[2010,1,1]],"date-time":"2010-01-01T00:00:00Z","timestamp":1262304000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["Antimicrob Agents Chemother"],"published-print":{"date-parts":[[2010,1]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            In vitro activities of colistin and other drugs were tested against 221\n            <jats:italic>Klebsiella pneumoniae<\/jats:italic>\n            isolates that were collected between 2006 and 2007 in nine tertiary care South Korean hospitals from patients with bacteremia. The clonality of colistin-resistant\n            <jats:italic>K. pneumoniae<\/jats:italic>\n            (CRKP) isolates was assessed by multilocus sequence typing (MLST). We found that 15 isolates (6.8%) were resistant to colistin. MLST showed that CRKP isolates were nonclonal, with colistin resistance in\n            <jats:italic>K. pneumoniae<\/jats:italic>\n            occurring independently and not by clonal spreading.\n          <\/jats:p>","DOI":"10.1128\/aac.00762-09","type":"journal-article","created":{"date-parts":[[2009,9,15]],"date-time":"2009-09-15T01:31:33Z","timestamp":1252978293000},"page":"560-562","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":61,"title":["Nonclonal Emergence of Colistin-Resistant\n            <i>Klebsiella pneumoniae<\/i>\n            Isolates from Blood Samples in South Korea"],"prefix":"10.1128","volume":"54","author":[{"given":"Ji-Yoeun","family":"Suh","sequence":"first","affiliation":[{"name":"Asian-Pacific Research Foundation for Infectious Diseases (ARFID), Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun Seong","family":"Son","sequence":"additional","affiliation":[{"name":"Kyunghee University Hospital, Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Doo Ryeon","family":"Chung","sequence":"additional","affiliation":[{"name":"Division of Infectious Diseases, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyong Ran","family":"Peck","sequence":"additional","affiliation":[{"name":"Division of Infectious Diseases, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kwan Soo","family":"Ko","sequence":"additional","affiliation":[{"name":"Asian-Pacific Research Foundation for Infectious Diseases (ARFID), Seoul, South Korea"},{"name":"Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jae-Hoon","family":"Song","sequence":"additional","affiliation":[{"name":"Asian-Pacific Research Foundation for Infectious Diseases (ARFID), Seoul, South Korea"},{"name":"Division of Infectious Diseases, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dkl562"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.49.7.3018-3020.2005"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dki175"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijantimicag.2007.12.006"},{"key":"e_1_3_2_6_2","unstructured":"Performance standards for antimicrobial susceptibility testing: 18th informational supplement M100-S18. 2008"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.43.8.4178-4182.2005"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijantimicag.2008.01.011"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-0691.2005.01351.x"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1128\/AAC.00766-07"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dkm305"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.1128\/JCM.02466-08"},{"key":"e_1_3_2_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(06)70580-1"},{"key":"e_1_3_2_14_2","doi-asserted-by":"publisher","DOI":"10.1086\/520658"},{"key":"e_1_3_2_15_2","doi-asserted-by":"publisher","DOI":"10.1086\/533476"},{"key":"e_1_3_2_16_2","first-page":"51","volume":"64","year":"2009","unstructured":"Park, Y. K., S. I. Jung, K. H. Park, H. S. Cheong, K. R. Peck, J. H. Song, and K. S. Ko. 2009. Independent emergence of colistin-resistant Acinetobacter spp. isolates from Korea. Diagn. Microbiol. Infect. Dis.64:51-59.","journal-title":"Diagn. Microbiol. Infect. Dis."},{"key":"e_1_3_2_17_2","doi-asserted-by":"publisher","DOI":"10.1093\/jac\/dkn425"},{"key":"e_1_3_2_18_2","first-page":"621","volume":"47","year":"2006","unstructured":"Tan, T. Y., and S. Y. Ng. 2006. The in-vitro activity of colistin in gram-negative bacteria. Singapore Med. J.47:621-624.","journal-title":"Singapore Med. 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