Microfluidic quantitative PCR for simultaneous quantification of multiple viruses in environmental water samples

Satoshi Ishii, Gaku Kitamura, Takahiro Segawa, Ayano Kobayashi, Takayuki Miura, Daisuke Sano, Satoshi Okabe

Research output: Contribution to journalArticlepeer-review

76 Scopus citations


To secure food and water safety, quantitative information on multiple pathogens is important. In this study, we developed a microfluidic quantitative PCR (MFQPCR) system to simultaneously quantify 11 major human viral pathogens, including adenovirus, Aichi virus, astrovirus, enterovirus, human norovirus, rotavirus, sapovirus, and hepatitis A and E viruses. Murine norovirus and mengovirus were also quantified in our MFQPCR system as a sample processing control and an internal amplification control, respectively. River water contaminated with effluents from a wastewater treatment plant in Sapporo, Japan, was collected and used to validate our MFQPCR system for multiple viruses. High-throughput quantitative information was obtained with a quantification limit of 2 copies/μl of cDNA/DNA. Using this MFQPCR system, we could simultaneously quantify multiple viral pathogens in environmental water samples. The viral quantities obtained using MFQPCR were similar to those determined by conventional quantitative PCR. Thus, the MFQPCR system developed in this study can provide direct and quantitative information for viral pathogens, which is essential for risk assessments.

Original languageEnglish (US)
Pages (from-to)7505-7511
Number of pages7
JournalApplied and environmental microbiology
Issue number24
StatePublished - 2014
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2014, American Society for Microbiology.


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