{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T08:47:26Z","timestamp":1790844446476,"version":"4.1.0"},"reference-count":52,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Microbial Drug Resistance"],"published-print":{"date-parts":[[2022,4,1]]},"abstract":"<jats:sec>\n                    <jats:title>Aims:<\/jats:title>\n                    <jats:p>The aim of this study was to investigate the role of resident bacteriophages in hospital effluents, as a potential reservoir of extended-spectrum beta-lactamase (ESBL) genes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Effluent samples were collected from four major medical centers in Azerbaijan. Phage enrichments were prepared and purified using standard subculturing, amplification, and phage purification protocols. DNA materials from phage stocks and bacterial isolates were examined for the presence of ESBL genes using polymerase chain reaction. Restriction fragment length polymorphism (RFLP) profiles were used for the construction of a dendrogram and cluster analysis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>\n                      A total of 112 phage enrichments were obtained from 48 effluent samples against resident bacterial hosts. A total of 95 nonduplicate Gram-negative isolates were recovered from effluent samples. The most common isolate was\n                      <jats:italic toggle=\"yes\">Escherichia coli<\/jats:italic>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u200948), followed by\n                      <jats:italic toggle=\"yes\">Klebsiella pneumoniae<\/jats:italic>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u200918),\n                      <jats:italic toggle=\"yes\">Pseudomonas<\/jats:italic>\n                      spp. (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u20099), and\n                      <jats:italic toggle=\"yes\">Enterobacter cloacae<\/jats:italic>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u20096). Thirty-two EcoRV-RFLP profiles consisting of \u223c4 to 20 bands were obtained for the 40\n                      <jats:italic toggle=\"yes\">E. coli<\/jats:italic>\n                      phage enrichments. ESBL genes were detected in 23 of 40 (57.5%)\n                      <jats:italic toggle=\"yes\">E. coli<\/jats:italic>\n                      phage enrichments, including\n                      <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                      <jats:sub>CTX-M<\/jats:sub>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u200915),\n                      <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                      <jats:sub>TEM<\/jats:sub>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u200914), and\n                      <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                      <jats:sub>SHV<\/jats:sub>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u20096). Detected genes in phage enrichments against resident hosts other than\n                      <jats:italic toggle=\"yes\">E. coli<\/jats:italic>\n                      include\n                      <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                      <jats:sub>TEM<\/jats:sub>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u20094),\n                      <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                      <jats:sub>CTX-M<\/jats:sub>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u20093), and\n                      <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                      <jats:sub>SHV<\/jats:sub>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u20091). A total of 63 (66.3%) bacterial isolates were positive for tested genes, including\n                      <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                      <jats:sub>CTX-M<\/jats:sub>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u200932),\n                      <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                      <jats:sub>TEM<\/jats:sub>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u200961), and\n                      <jats:italic toggle=\"yes\">bla<\/jats:italic>\n                      <jats:sub>SHV<\/jats:sub>\n                      (\n                      <jats:italic toggle=\"yes\">n<\/jats:italic>\n                      \u2009=\u200912). The present research provides a strong evidence for the possible role of bacteriophages in antimicrobial resistance genes circulation in Azerbaijan clinical settings through generalized transduction.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>Our results showed a remarkable occurrence of ESBL genes in bacteriophage and bacterial population of effluent discharge, which clearly indicates that bacteriophages are an important factor in ESBL genes exchange among bacterial population through generalized transduction.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1089\/mdr.2021.0163","type":"journal-article","created":{"date-parts":[[2022,1,25]],"date-time":"2022-01-25T08:56:55Z","timestamp":1643101015000},"page":"436-443","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":10,"title":["The Role of Bacteriophages as Important Reservoirs of Extended-Spectrum Beta-Lactamase Genes in Azerbaijan Hospitals"],"prefix":"10.1177","volume":"28","author":[{"given":"Sahar","family":"Mahdavi","sequence":"first","affiliation":[{"name":"Department of Microbiology, Zanjan Branch, Islamic Azad University, Zanjan, Iran."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mohammadreza","family":"Sadeghi","sequence":"additional","affiliation":[{"name":"Department of Clinical Microbiology, Maku Branch, Islamic Azad University, Maku, Iran."},{"name":"Department of Clinical Microbiology, Faculty of Medical Sciences, Urmia Branch, Islamic Azad University, Urmia, Iran."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rasoul","family":"Shokri","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Zanjan Branch, Islamic Azad University, Zanjan, Iran."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Babak","family":"Sadegh","sequence":"additional","affiliation":[{"name":"Department of Clinical Microbiology, Faculty of Medical Sciences, Urmia Branch, Islamic Azad University, Urmia, Iran."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2022,4,18]]},"reference":[{"key":"e_1_3_5_2_2","doi-asserted-by":"publisher","DOI":"10.2147\/IDR.S55778"},{"key":"e_1_3_5_3_2","doi-asserted-by":"publisher","DOI":"10.4137\/PMC.S14459"},{"key":"e_1_3_5_4_2","doi-asserted-by":"publisher","DOI":"10.3390\/w12123313"},{"key":"e_1_3_5_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.plasmid.2013.03.010"},{"key":"e_1_3_5_6_2","doi-asserted-by":"publisher","DOI":"10.1128\/MMBR.00020-10"},{"key":"e_1_3_5_7_2","doi-asserted-by":"publisher","DOI":"10.1098\/rstb.2011.0207"},{"key":"e_1_3_5_8_2","doi-asserted-by":"publisher","DOI":"10.1128\/AEM.71.12.8301-8304.2005"},{"key":"e_1_3_5_9_2","doi-asserted-by":"publisher","DOI":"10.1128\/AEM.00457-11"},{"key":"e_1_3_5_10_2","doi-asserted-by":"publisher","DOI":"10.1128\/AEM.01435-07"},{"key":"e_1_3_5_11_2","doi-asserted-by":"publisher","DOI":"10.1099\/mic.0.057943-0"},{"key":"e_1_3_5_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/S1473-3099(18)30605-4"},{"key":"e_1_3_5_13_2","unstructured":"Scott R.D. 2009. 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