{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T12:12:11Z","timestamp":1791461531933,"version":"4.3.4"},"reference-count":45,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2022,7,13]],"date-time":"2022-07-13T00:00:00Z","timestamp":1657670400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"S\u00e3o Paulo State Research Support Foundation\u2014FAPESP","award":["2016\/12641-9"],"award-info":[{"award-number":["2016\/12641-9"]}]},{"name":"S\u00e3o Paulo State Research Support Foundation\u2014FAPESP","award":["306396\/2020-3"],"award-info":[{"award-number":["306396\/2020-3"]}]},{"name":"S\u00e3o Paulo State Research Support Foundation\u2014FAPESP","award":["001"],"award-info":[{"award-number":["001"]}]},{"name":"CNPq","award":["2016\/12641-9"],"award-info":[{"award-number":["2016\/12641-9"]}]},{"name":"CNPq","award":["306396\/2020-3"],"award-info":[{"award-number":["306396\/2020-3"]}]},{"name":"CNPq","award":["001"],"award-info":[{"award-number":["001"]}]},{"name":"Coordination of Improvement of Higher Education Personnel\u2014Brazil","award":["2016\/12641-9"],"award-info":[{"award-number":["2016\/12641-9"]}]},{"name":"Coordination of Improvement of Higher Education Personnel\u2014Brazil","award":["306396\/2020-3"],"award-info":[{"award-number":["306396\/2020-3"]}]},{"name":"Coordination of Improvement of Higher Education Personnel\u2014Brazil","award":["001"],"award-info":[{"award-number":["001"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Microorganisms"],"abstract":"<jats:p>Psittacine birds are commonly kept as companion birds and the maintenance of these birds in captivity may represent a zoonotic risk and contribute to the propagation of multidrug-resistant and \u03b2-lactamase extended-spectrum (ESBLs)-producing pathogens. This study aimed to identify and characterize strains of the Klebsiella\u00a0pneumoniae complex isolated from diseased psittacine birds, determining virulence and resistance profiles. K. pneumoniae strains were isolated from 16 birds (16\/46). All strains carried more than three virulence genes, with a high frequency of fimH and kpn (93.75%), uge (87.52%), and irp-2 (81.25%) genes. The antimicrobial susceptibility revealed that 3\/16 strains were ESBL producers. Genomic analysis revealed that CTX-M-15-positive strains belonged to sequence types (STs) ST15, ST147, and ST307, characterized as international clones associated with outbreaks of healthcare-associated infections (HAIs) worldwide.<\/jats:p>","DOI":"10.3390\/microorganisms10071412","type":"journal-article","created":{"date-parts":[[2022,7,14]],"date-time":"2022-07-14T00:12:40Z","timestamp":1657757560000},"page":"1412","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Pandemic Clones of CTX-M-15 Producing Klebsiella pneumoniae ST15, ST147, and ST307 in Companion Parrots"],"prefix":"10.3390","volume":"10","author":[{"given":"Yam\u00ea Miniero","family":"Davies","sequence":"first","affiliation":[{"name":"School of Veterinary Medicine and Animal Science, University of S\u00e3o Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universit\u00e1ria, S\u00e3o Paulo 05508-270, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8545-1518","authenticated-orcid":false,"given":"Marcos Paulo Vieira","family":"Cunha","sequence":"additional","affiliation":[{"name":"School of Veterinary Medicine and Animal Science, University of S\u00e3o Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universit\u00e1ria, S\u00e3o Paulo 05508-270, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Milena","family":"Dropa","sequence":"additional","affiliation":[{"name":"Environmental Health Department, School of Public Health, University of S\u00e3o Paulo, Avenida Dr. Arnaldo, 715, Cerqueira C\u00e9sar, S\u00e3o Paulo 05508-270, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0161-5800","authenticated-orcid":false,"given":"Nilton","family":"Lincopan","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Institute of Biomedical Sciences, Universidade de S\u00e3o Paulo, Av. Prof. Lineu Prestes, 2415-Butant\u00e3, S\u00e3o Paulo 05508-000, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vasco T\u00falio Moura","family":"Gomes","sequence":"additional","affiliation":[{"name":"School of Veterinary Medicine and Animal Science, University of S\u00e3o Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universit\u00e1ria, S\u00e3o Paulo 05508-270, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luisa Zanoli","family":"Moreno","sequence":"additional","affiliation":[{"name":"School of Veterinary Medicine and Animal Science, University of S\u00e3o Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universit\u00e1ria, S\u00e3o Paulo 05508-270, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7107-7927","authenticated-orcid":false,"given":"Maria In\u00eas Zanoli","family":"Sato","sequence":"additional","affiliation":[{"name":"S\u00e3o Paulo State Environment Agency (CETESB), Av. Prof. Frederico Hermann Jr. 345. Pinheiros, S\u00e3o Paulo 05459-010, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3290-566X","authenticated-orcid":false,"given":"Andrea Micke","family":"Moreno","sequence":"additional","affiliation":[{"name":"School of Veterinary Medicine and Animal Science, University of S\u00e3o Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universit\u00e1ria, S\u00e3o Paulo 05508-270, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7107-5710","authenticated-orcid":false,"given":"Terezinha","family":"Kn\u00f6bl","sequence":"additional","affiliation":[{"name":"School of Veterinary Medicine and Animal Science, University of S\u00e3o Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, Cidade Universit\u00e1ria, S\u00e3o Paulo 05508-270, SP, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,7,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"944","DOI":"10.1016\/j.tim.2016.09.007","article-title":"Klebsiella pneumoniae Population Genomics and Antimicrobial-Resistant Clones","volume":"24","author":"Wyres","year":"2016","journal-title":"Trends Microbiol."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"344","DOI":"10.1038\/s41579-019-0315-1","article-title":"Population genomics of Klebsiella pneumoniae","volume":"18","author":"Wyres","year":"2020","journal-title":"Nat. Rev. Microbiol."},{"key":"ref_3","unstructured":"World Health Organization (2020, December 07). 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