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DOI:	10.1371/journal.pone.0141315
论文题名:	Comparison of Extended-Spectrum β-Lactamase (ESBL) CTX-M Genotypes in Franklin Gulls from Canada and Chile
作者:	Jonas Bonnedahl; Johan Stedt; Jonas Waldenström; Lovisa Svensson; Mirva Drobni; Björn Olsen
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-10-23
卷:	10, 期:10
语种:	英语
英文关键词:	Gulls ; Antibiotic resistance ; Animal sexual behavior ; Canada ; Animal migration ; Antibiotics ; Chile (country) ; Phylogeography
英文摘要:	Migratory birds have been suggested to contribute to long-distance dispersal of antimicrobial resistant bacteria, but tests of this hypothesis are lacking. In this study we determined resistance profiles and genotypes of ESBL-producing bacteria in randomly selected Escherichia coli from Franklin´s gulls (Leucophaeus pipixcan) at breeding sites in Canada and compared with similar data from the gulls' wintering grounds in Chile. Resistant E. coli phenotypes were common, most notably to ampicillin (30.1%) and cefadroxil (15.1%). Furthermore, 17.0% of the gulls in Canada carried ESBL producing bacteria, which is higher than reported from human datasets from the same country. However, compared to gulls sampled in Chile (30.1%) the prevalence of ESBL was much lower. The dominant ESBL variants in Canada were blaCTX-M-14 and blaCTX-M-15 and differed in proportions to the data from Chile. We hypothesize that the observed differences in ESBL variants are more likely linked to recent exposure to bacteria from anthropogenic sources, suggesting high local dissemination of resistant bacteria both at breeding and non-breeding times rather than a significant trans-hemispheric exchange through migrating birds.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0141315&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/21486
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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File Name/ File Size	Content Type	Version	Access	License
journal.pone.0141315.PDF（215KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Centre for Ecology and Evolution in Microbial Model Systems, School of Natural Sciences, Linnaeus University, SE - 391 82 Kalmar, Sweden;Department of Infectious Diseases, Kalmar County Hospital, SE-391 85 Kalmar, Sweden;Centre for Ecology and Evolution in Microbial Model Systems, School of Natural Sciences, Linnaeus University, SE - 391 82 Kalmar, Sweden;Centre for Ecology and Evolution in Microbial Model Systems, School of Natural Sciences, Linnaeus University, SE - 391 82 Kalmar, Sweden;Centre for Ecology and Evolution in Microbial Model Systems, School of Natural Sciences, Linnaeus University, SE - 391 82 Kalmar, Sweden;Department of Medical Sciences, Uppsala University, SE-751 85 Uppsala, Sweden;Department of Medical Sciences, Uppsala University, SE-751 85 Uppsala, Sweden

Recommended Citation:

Jonas Bonnedahl,Johan Stedt,Jonas Waldenström,et al. Comparison of Extended-Spectrum β-Lactamase (ESBL) CTX-M Genotypes in Franklin Gulls from Canada and Chile[J]. PLOS ONE,2015-01-01,10(10)

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