Gent, Belgium
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Dobnik D.,Slovenian National Institute of Biology | Morisset D.,Slovenian National Institute of Biology | Morisset D.,D.M. CropDesign NV | Lenarcic R.,Slovenian National Institute of Biology | Ravnikar M.,Slovenian National Institute of Biology
Journal of Agricultural and Food Chemistry | Year: 2014

The detection of pathogenic microorganisms present in food, feed, plant, and other samples is important for providing safe food as well as for preventing the spread of microbes. The genome of pathogens is made of DNA or RNA, therefore a multiplex diagnostics tool would ideally be able to amplify and detect both RNA and DNA targets in parallel. With this goal we have developed an isothermal nucleic acid sequence based amplification [NASBA] implemented microarray analysis (NAIMA) procedure, suitable for the simultaneous multiplex amplification of RNA and DNA targets, coupled with the detection on ArrayTubes. The method is demonstrated to be very sensitive and specific for the detection of two economically important quarantine plant pathogens of potato, the potato spindle tuber viroid (RNA target) and Ralstonia solanacearum (DNA target). Because of its isothermal amplification and simple detection equipment, the method is also applicable for on-site analyses. NAIMA can be used in any domain where there is the need to detect RNA and DNA targets simultaneously. © 2014 American Chemical Society.

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