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J Vis Exp. 2016 Nov 28;(117). doi: 10.3791/54781.

High-throughput Detection of Respiratory Pathogens in Animal Specimens by Nanoscale PCR.

Author information

1
Population Medicine and Diagnostic Sciences, Cornell University Animal Health Diagnostic Center; laura.goodman@cornell.edu.
2
Population Medicine and Diagnostic Sciences, Cornell University Animal Health Diagnostic Center.
3
Thermo Fisher Scientific Inc.

Abstract

Nanoliter scale real-time PCR uses spatial multiplexing to allow multiple assays to be run in parallel on a single plate without the typical drawbacks of combining reactions together. We designed and evaluated a panel based on this principle to rapidly identify the presence of common disease agents in dogs and horses with acute respiratory illness. This manuscript describes a nanoscale diagnostic PCR workflow for sample preparation, amplification, and analysis of target pathogen sequences, focusing on procedures that are different from microliter scale reactions. In the respiratory panel presented, 18 assays were each set up in triplicate, accommodating up to 48 samples per plate. A universal extraction and pre-amplification workflow was optimized for high-throughput sample preparation to accommodate multiple matrices and DNA and RNA based pathogens. Representative data are presented for one RNA target (influenza A matrix) and one DNA target (equine herpesvirus 1). The ability to quickly and accurately test for a comprehensive, syndrome-based group of pathogens is a valuable tool for improving efficiency and ergonomics of diagnostic testing and for acute respiratory disease diagnosis and management.

PMID:
27929456
PMCID:
PMC5226323
DOI:
10.3791/54781
[Indexed for MEDLINE]
Free PMC Article

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