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Recent outbreaks associated with enteroviral contamination in aquatic environments have called for the development of a more efficient and accurate virus monitoring system. To develop a simple, rapid, and direct method for identifying enteroviral infections, we generated a fluorescent reporter system in which genetically engineered cells express a hybrid fluorescent indicator composed of a linker peptide, which is exclusively cleaved by the 2A protease (2A<jats:sup>pro<\/jats:sup>), flanked with a cyan fluorescent protein (CFP) and a yellow fluorescent protein undergoing fluorescence resonance energy transfer. The covalent linkage between two fluorophores is disrupted due to 2A<jats:sup>pro<\/jats:sup>activity upon viral infection, which results in an increase in CFP intensity. This allows the rapid (within 7.5 h) detection of very low numbers (10 PFU or fewer) of infectious enteroviruses.<\/jats:p>","DOI":"10.1128\/aem.72.5.3710-3715.2006","type":"journal-article","created":{"date-parts":[[2006,5,4]],"date-time":"2006-05-04T02:49:21Z","timestamp":1146710961000},"page":"3710-3715","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":36,"title":["Use of Fluorescence Resonance Energy Transfer for Rapid Detection of Enteroviral Infection In Vivo"],"prefix":"10.1128","volume":"72","author":[{"given":"Yu-Chen","family":"Hwang","sequence":"first","affiliation":[{"name":"Department of Environmental Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wilfred","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Chemical and Environmental Engineering, University of California, Riverside, California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marylynn V.","family":"Yates","sequence":"additional","affiliation":[{"name":"Department of Environmental Sciences"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1128\/jvi.65.11.6077-6083.1991"},{"key":"e_1_3_3_3_2","unstructured":"Angres B. and G. 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