| Fluorescence in situ hybridization rapidly detects three different pathogenic bacteria in urinary tract infection samples. | |
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MedLine Citation:
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PMID: 20807557 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The detection of pathogenic bacteria in urine is an important criterion for diagnosing urinary tract infections (UTIs). By using fluorescence in situ hybridization (FISH) with rRNA-targeted, fluorescently labeled oligonucleotide probes, bacterial pathogens present in urine samples were identified within 3-4 h. In this study, three probes that are specific for Escherichia coli, Enterococcus faecalis and Staphylococcus aureus were designed based on the conserved 16S RNA sequences, whereas probe Eub338 broadly recognizes all bacteria. We collected a total of 1000 urine samples, and 325 of these samples tested positive for a UTI via traditional culturing techniques; additionally, all 325 of these samples tested positive with the Eub338 probe in FISH analysis. FISH analyses with species-specific probes were performed in parallel to the test the ability to differentiate among several pathogenic bacteria. The samples for these experiments included 76 E. coli infected samples, 32 E. faecalis infected samples and 9 S. aureus infected samples. Compared to conventional methods of bacterial identification, the FISH method produced positive results for >90% of the samples tested. FISH has the potential to become an extremely useful diagnostic tool for UTIs because it has a quick turnaround time and high accuracy. |
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Authors:
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Qing Wu; Yan Li; Ming Wang; Xiao P Pan; Yong F Tang |
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Publication Detail:
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Type: Evaluation Studies; Journal Article Date: 2010-08-31 |
Journal Detail:
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Title: Journal of microbiological methods Volume: 83 ISSN: 1872-8359 ISO Abbreviation: J. Microbiol. Methods Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-10-18 Completed Date: 2011-01-24 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8306883 Medline TA: J Microbiol Methods Country: Netherlands |
Other Details:
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Languages: eng Pagination: 175-8 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Jiefang Road 238, Wuhan, 430060, Hubei Province, China. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Bacteriological Techniques
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methods* Enterococcus faecalis / genetics, isolation & purification Escherichia coli / genetics, isolation & purification Escherichia coli Infections / diagnosis*, microbiology Gram-Positive Bacterial Infections / diagnosis*, microbiology Humans In Situ Hybridization, Fluorescence / methods* Oligonucleotide Probes / genetics RNA, Ribosomal / genetics Sensitivity and Specificity Staphylococcus aureus / genetics, isolation & purification Urinary Tract Infections / microbiology* |
| Chemical | |
Reg. No./Substance:
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0/Oligonucleotide Probes; 0/RNA, Ribosomal |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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