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Fast real-time detection of Potato spindle tuber viroid by RT-LAMP

Authors


E-mail: dany.morisset@nib.si

Abstract

This paper reports the development of a single tube, real-time, reverse transcription loop-mediated isothermal amplification (RT-LAMP) assay for detecting Potato spindle tuber viroid (PSTVd), one of the quarantine pathogens of potato in Europe and North America. The method enables detection of a broad range of PSTVd isolates, and is about 10 times more sensitive than the conventional reverse transcription polymerase chain reaction (RT-PCR) assay. Its benefits are not only its speed (15–25 min to obtain results) and cost effectiveness (resulting from time saved as well as cheaper consumables), but also its demonstrated ability to be performed in the field, using portable instruments.

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