دورية أكاديمية
Plasmid replicon typing of commensal and pathogenic Escherichia coli isolates.
| العنوان: | Plasmid replicon typing of commensal and pathogenic Escherichia coli isolates. |
|---|---|
| المؤلفون: | Johnson TJ; Department of Veterinary Microbiology and Preventive Medicine, College of Veterinary Medicine, 1802 Elwood Drive, VMRI #2, Iowa State University, Ames, IA 50011, USA., Wannemuehler YM, Johnson SJ, Logue CM, White DG, Doetkott C, Nolan LK |
| المصدر: | Applied and environmental microbiology [Appl Environ Microbiol] 2007 Mar; Vol. 73 (6), pp. 1976-83. Date of Electronic Publication: 2007 Feb 02. |
| نوع المنشور: | Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't |
| اللغة: | English |
| بيانات الدورية: | Publisher: American Society for Microbiology Country of Publication: United States NLM ID: 7605801 Publication Model: Print-Electronic Cited Medium: Print ISSN: 0099-2240 (Print) Linking ISSN: 00992240 NLM ISO Abbreviation: Appl Environ Microbiol Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Washington, American Society for Microbiology. |
| مواضيع طبية MeSH: | DNA, Bacterial/*genetics , Escherichia coli/*genetics , Plasmids/*classification , Plasmids/*genetics , Polymerase Chain Reaction/*methods , Replicon/*genetics, Animals ; Bird Diseases/microbiology ; Birds/microbiology ; Cluster Analysis ; Colicins/genetics ; Escherichia coli/isolation & purification ; Escherichia coli Infections/microbiology ; Escherichia coli Infections/veterinary ; Feces/microbiology ; Food Microbiology ; Gene Transfer, Horizontal ; Humans ; Meat/microbiology ; Urogenital System/microbiology |
| مستخلص: | Despite the critical role of plasmids in horizontal gene transfer, few studies have characterized plasmid relatedness among different bacterial populations. Recently, a multiplex PCR replicon typing protocol was developed for classification of plasmids occurring in members of the Enterobacteriaceae. Here, a simplified version of this replicon typing procedure which requires only three multiplex panels to identify 18 plasmid replicons is described. This method was used to screen 1,015 Escherichia coli isolates of avian, human, and poultry meat origin for plasmid replicon types. Additionally, the isolates were assessed for their content of several colicin-associated genes. Overall, a high degree of plasmid variability was observed, with 221 different profiles occurring among the 1,015 isolates examined. IncFIB plasmids were the most common type identified, regardless of the source type of E. coli. IncFIB plasmids occurred significantly more often in avian pathogenic E. coli (APEC) and retail poultry E. coli (RPEC) than in uropathogenic E. coli (UPEC) and avian and human fecal commensal E. coli isolates (AFEC and HFEC, respectively). APEC and RPEC were also significantly more likely than UPEC, HFEC, and AFEC to possess the colicin-associated genes cvaC, cbi, and/or cma in conjunction with one or more plasmid replicons. The results suggest that E. coli isolates contaminating retail poultry are notably similar to APEC with regard to plasmid profiles, with both generally containing multiple plasmid replicon types in conjunction with colicin-related genes. In contrast, UPEC and human and avian commensal E. coli isolates generally lack the plasmid replicons and colicin-related genes seen in APEC and RPEC, suggesting limited dissemination of such plasmids among these bacterial populations. |
| التعليقات: | Erratum in: Appl Environ Microbiol. 2007 Jun;73(11):3768. |
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| معلومات مُعتمدة: | U24 AI 50139 United States AI NIAID NIH HHS |
| المشرفين على المادة: | 0 (Colicins) 0 (DNA, Bacterial) |
| تواريخ الأحداث: | Date Created: 20070206 Date Completed: 20070928 Latest Revision: 20220409 |
| رمز التحديث: | 20231215 |
| مُعرف محوري في PubMed: | PMC1828809 |
| DOI: | 10.1128/AEM.02171-06 |
| PMID: | 17277222 |
| قاعدة البيانات: | MEDLINE |
| تدمد: | 0099-2240 |
|---|---|
| DOI: | 10.1128/AEM.02171-06 |