Abstract:
:Clinical presentations for viral respiratory tract infections are often nonspecific, and a rapid, high-throughput laboratory technique that can detect a panel of common viral pathogens is clinically desirable. We evaluated two multiplex reverse transcription-PCR (RT-PCR) products coupled with microarray-based systems for simultaneous detection of common respiratory tract viral pathogens. The NGEN respiratory virus analyte-specific assay (Nanogen, San Diego, CA) detects influenza A virus (Flu-A) and Flu-B, parainfluenza virus 1 (PIV-1), PIV-2, and PIV-3, and respiratory syncytial virus (RSV), while the ResPlex II assay (Genaco Biomedical Products, Inc., Huntsville, AL) detects Flu-A, Flu-B, PIV-1, PIV-2, PIV-3, PIV-4, RSV, human metapneumovirus (hMPV), rhinoviruses (RhVs), enteroviruses (EnVs), and severe acute respiratory syndrome (SARS) coronavirus (CoV). A total of 360 frozen respiratory specimens collected for a full year were tested, and results were compared to those obtained with a combined reference standard of cell culture and monoplex real-time TaqMan RT-PCR assays. NGEN and ResPlex II gave comparable sensitivities for Flu-A (82.8 to 86.2%), Flu-B (90.0 to 100.0%), PIV-1 (87.5 to 93.8%), PIV-3 (66.7 to 72.2%), and RSV (63.3 to 73.3%); both assays achieved excellent specificities (99.1 to 100.0%) for these five common viruses. The ResPlex II assay detected hMPV in 13 (3.6%) specimens, with a sensitivity of 80.0% and specificity of 99.7%. The ResPlex II assay also differentiated RSV-A and RSV-B and gave positive results for RhV and EnV in 31 (8.6%) and 19 (5.3%) specimens, respectively. PIV-2, PIV-4, and SARS CoV were not detected in the specimens tested. The two systems can process 80 (NGEN) and 96 (ResPlex II) tests per run, with a hands-on time of approximately 60 min and test turnaround times of 6 h (ResPlex II) and 9 h (NGEN). Multiple-panel testing detected an additional unsuspected 9 (3.4%) PIV-1 and 10 (3.7%) PIV-3 infections. While test sensitivities for RSV and PIV-3 need improvement, both the NGEN and ResPlex II assays provide user-friendly and high-throughput tools for simultaneous detection and identification of a panel of common respiratory viral pathogens in a single test format. The multiplex approach enhances diagnosis through detection of respiratory viral etiologic agents in cases in which the presence of the agent was not suspected and a test was not ordered by the clinicians.
journal_name
J Clin Microbioljournal_title
Journal of clinical microbiologyauthors
Li H,McCormac MA,Estes RW,Sefers SE,Dare RK,Chappell JD,Erdman DD,Wright PF,Tang YWdoi
10.1128/JCM.00210-07subject
Has Abstractpub_date
2007-07-01 00:00:00pages
2105-9issue
7eissn
0095-1137issn
1098-660Xpii
JCM.00210-07journal_volume
45pub_type
杂志文章abstract::Legionella is the causative agent for Legionnaires' disease (LD) and is responsible for several large outbreaks in the world. More than 90% of LD cases are caused by Legionella pneumophila, and studies on the origin and transmission routes of this pathogen rely on adequate molecular characterization of isolates. Curre...
journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
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doi:10.1128/JCM.21.2.146-149.1985
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journal_title:Journal of clinical microbiology
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doi:10.1128/JCM.32.11.2865-2866.1994
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.28.2.283-286.1990
更新日期:1990-02-01 00:00:00
abstract::We systematically evaluated 5 methods for testing daptomycin versus 48 Enterococcus faecalis, 51 Enterococcus faecium, and 50 Staphylococcus aureus isolates using (i and ii) broth microdilution (BMD) with 50-mg/liter calcium medium supplementation (reference method) and 30-mg/liter calcium medium supplementation (BMD3...
journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.18.6.1345-1350.1983
更新日期:1983-12-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.19.5.703-704.1984
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.14.3.333-341.1981
更新日期:1981-09-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.34.11.2853-2855.1996
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
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更新日期:2011-01-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.26.2.261-266.1988
更新日期:1988-02-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:
更新日期:1977-06-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
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更新日期:2016-12-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.17.3.545-547.1983
更新日期:1983-03-01 00:00:00
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journal_title:Journal of clinical microbiology
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doi:10.1128/JCM.32.12.2936-2943.1994
更新日期:1994-12-01 00:00:00
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.33.5.1378-1379.1995
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journal_title:Journal of clinical microbiology
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doi:10.1128/JCM.01428-05
更新日期:2006-07-01 00:00:00
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journal_title:Journal of clinical microbiology
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
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更新日期:2014-06-01 00:00:00
abstract::Helicobacter pylori is a gram-negative, curved, rod-shaped bacterium known to cause gastritis and to be an important factor in the pathogenesis of peptic ulcers. Serological testing has recently been proposed as an aid in diagnosis of H. pylori infections. In this study, we used the Western immunoblot technique to eva...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.30.7.1743-1751.1992
更新日期:1992-07-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.32.12.3002-3007.1994
更新日期:1994-12-01 00:00:00
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journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:
更新日期:1978-12-01 00:00:00
abstract::In vitro susceptibility patterns of newer beta-lactamase-inhibiting antibiotics ampicillin-sulbactam (A/S) and amoxicillin-clavulanic acid (A/C) for 100 consecutive isolates of Acinetobacter baumannii obtained from various clinical samples were studied. The A/C MIC for 86% of the strains was more than 16/8 microgram/m...
journal_title:Journal of clinical microbiology
pub_type: 杂志文章
doi:10.1128/JCM.36.11.3415-3416.1998
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