{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T20:40:20Z","timestamp":1790800820962,"version":"4.1.0"},"reference-count":20,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2021,3,24]],"date-time":"2021-03-24T00:00:00Z","timestamp":1616544000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"DOI":"10.13039\/501100004608","name":"Natural Science Foundation of Jiangsu Province","doi-asserted-by":"publisher","award":["BK20180900"],"award-info":[{"award-number":["BK20180900"]}],"id":[{"id":"10.13039\/501100004608","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["31872523"],"award-info":[{"award-number":["31872523"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["31872526"],"award-info":[{"award-number":["31872526"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012246","name":"Priority Academic Program Development of Jiangsu Higher Education Institutions","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100012246","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,5,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Tigecycline and carbapenems are regarded as vital antimicrobials to treat serious bacterial infections. Co-occurrence of resistance genes conferring resistance to both tigecycline and carbapenems in Pseudomonas spp. was not investigated.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Objectives<\/jats:title>\n                  <jats:p>To characterize a megaplasmid co-harbouring tmexCD1-toprJ1 and blaVIM-2 in Pseudomonas putida of migratory bird origin.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>One tigecycline- and carbapenem-resistant strain was isolated and characterized by antimicrobial susceptibility testing, conjugation assay, WGS and bioinformatics analysis.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>The strain P. putida ZXPA-20 resistant to meropenem and tigecycline was positive for blaVIM-2 and tmexCD1-toprJ1 genes. The gene blaVIM-2 was inserted into the backbone of the megaplasmid pZXPA-20 within a Tn5090-like structure. The genetic context of tmexCD1-toprJ1 in the megaplasmid was identical to many chromosomal tmexCD1-toprJ1 of Pseudomonas species. Plasmid-mediated tmexCD1-toprJ1 gene cluster in Pseudomonas spp. was more common than that in Klebsiella pneumoniae. To the best of our knowledge, this is the first report of co-occurrence of blaVIM-2 and tmexCD1-toprJ1 in one plasmid.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions<\/jats:title>\n                  <jats:p>Emergence of plasmid-mediated carbapenem and tigecycline resistance genes in P. putida from migratory birds highlighted the importance of surveillance of novel mobile resistance genes in migratory birds, which may play a vital role in global transmission of novel resistance genes.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/jac\/dkab044","type":"journal-article","created":{"date-parts":[[2021,2,4]],"date-time":"2021-02-04T05:32:57Z","timestamp":1612416777000},"page":"1455-1458","source":"Crossref","is-referenced-by-count":30,"title":["Emergence of a multidrug resistance efflux pump with carbapenem resistance gene <i>bla<\/i>VIM-2 in a <i>Pseudomonas putida<\/i> megaplasmid of migratory bird origin"],"prefix":"10.1093","volume":"76","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8333-9891","authenticated-orcid":false,"given":"Ruichao","family":"Li","sequence":"first","affiliation":[{"name":"College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu Province, P. 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