{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T19:55:22Z","timestamp":1791575722558,"version":"4.3.4"},"reference-count":26,"publisher":"American Society for Microbiology","issue":"3","license":[{"start":{"date-parts":[[2003,3,1]],"date-time":"2003-03-01T00:00:00Z","timestamp":1046476800000},"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":[[2003,3]]},"abstract":"ABSTRACT<\/jats:title>\n \n Twenty-five distinct tetracycline-resistant gram-negative bacteria recovered from four Chilean fish farms with no history of recent antibiotic use were examined for the presence of tetracycline resistance (\n tet<\/jats:italic>\n ) genes. Sixty percent of the isolates carried 1 of the 22 known\n tet<\/jats:italic>\n genes examined. The distribution was as follows. The\n tet<\/jats:italic>\n (A) gene was found in six isolates. The\n tet<\/jats:italic>\n (B) gene was found in two isolates, including the first description in the genus\n Brevundimonas<\/jats:italic>\n . Two isolates carried the\n tet<\/jats:italic>\n (34) and\n tet<\/jats:italic>\n (B) genes, including the first description of the\n tet<\/jats:italic>\n (34) gene in\n Pseudomonas<\/jats:italic>\n and\n Serratia<\/jats:italic>\n and the first description of the\n tet<\/jats:italic>\n (B) gene in\n Pseudomonas<\/jats:italic>\n . The\n tet<\/jats:italic>\n (H) gene was found in two isolates, which includes the first description in the genera\n Moraxella<\/jats:italic>\n and\n Acinetobacter<\/jats:italic>\n . One isolate carried\n tet<\/jats:italic>\n (E), and one isolate carried\n tet<\/jats:italic>\n (35), the first description of the gene in the genus\n Stenotrophomonas<\/jats:italic>\n . Finally, one isolate carried\n tet<\/jats:italic>\n (L), found for the first time in the genus\n Morganella<\/jats:italic>\n . By DNA sequence analysis, the two\n tet<\/jats:italic>\n (H) genes were indistinguishable from the previously sequenced\n tet<\/jats:italic>\n (H) gene from Tn\n 5706<\/jats:italic>\n found in\n Pasteurella multocida<\/jats:italic>\n . The\n Acinetobacter radioresistens<\/jats:italic>\n isolate also harbored the Tn\n 5706<\/jats:italic>\n -associated 1,063-bp IS element IS\n 1597<\/jats:italic>\n , while the\n Moraxella<\/jats:italic>\n isolate carried a 1,026-bp IS-like element whose 293-amino-acid transposase protein exhibited 69% identity and 84% similarity to the transposase protein of IS\n 1597<\/jats:italic>\n , suggesting the presence of a novel IS element. The distribution of\n tet<\/jats:italic>\n genes from the Chilean freshwater ponds was different than those that have previously been described from other geographical locations, with 40% of the isolates carrying unidentified tetracycline resistance genes.\n <\/jats:p>","DOI":"10.1128\/aac.47.3.883-888.2003","type":"journal-article","created":{"date-parts":[[2003,2,25]],"date-time":"2003-02-25T18:22:21Z","timestamp":1046197341000},"page":"883-888","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":196,"title":["Diversity of Tetracycline Resistance Genes in Bacteria from Chilean Salmon Farms"],"prefix":"10.1128","volume":"47","author":[{"given":"Claudio D.","family":"Miranda","sequence":"first","affiliation":[{"name":"Department of Aquaculture, Universidad Cato\u0301lica del Norte, Coquimbo, Chile"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Corinna","family":"Kehrenberg","sequence":"additional","affiliation":[{"name":"Institute for Animal Science, Federal Agricultural Research Center (FAL), Neustadt-Mariensee, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Catherine","family":"Ulep","sequence":"additional","affiliation":[{"name":"Department of Pathobiology, University of Washington, Seattle, Washington 98195"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan","family":"Schwarz","sequence":"additional","affiliation":[{"name":"Institute for Animal Science, Federal Agricultural Research Center (FAL), Neustadt-Mariensee, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marilyn C.","family":"Roberts","sequence":"additional","affiliation":[{"name":"Department of Pathobiology, University of Washington, Seattle, Washington 98195"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1128\/aem.60.3.908-912.1994"},{"key":"e_1_3_1_3_2","first-page":"219","volume":"5","year":"1988","unstructured":"Aoki, T. 1988. 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