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Little cherry virus 1 (LChV-1) belongs to the genus Velarivirus, family Closteroviridae, is an economically important pathogen affecting mainly cherry around the world emphasizing the impetus for its efficient and accurate on-site detection. This study describes the development of a reliable diagnostic protocol of LChV-1 based on a one-step reverse-transcription loop-mediated isothermal amplification (RT-LAMP). The protocol detects LChV-1 isolates in less than 10 min by fluorescence monitoring using a mobile detection device and is most optimal when performed at 67 °C. Sharp melting curves and unique melting temperatures (Tm) were obtained for the positive samples. Both the RT-LAMP and classical RT-PCR methods are capable of specifically detecting LChV-1 in infected leaf tissues. In addition, the RT-LAMP has remarkable advantages in comparison to RT-PCR. It is at least hundred fold more sensitive, significantly faster (allowing on-field leaf-to-result diagnostic) and efficient at minimal cost. In conclusion, this innovative RT-LAMP approach can contribute to the implementation of sustainable integrated management strategies for detection of LChV-1 in commercial orchards or for horticultural research stations. It is also suitable for decision support in phytosanitary epidemiological programs.
VingerafdrukBekijk de onderzoeksthema's van 'New sensitive and fast detection of Little cherry virus 1 using loop-mediated isothermal amplification (RT-LAMP)'. Samen vormen ze een unieke vingerafdruk.
- 2 Afgerond
IWT-LITTLECHERRY: Kennisgebaseerde praktijkmaatregelen voor een betrouwbare beheersing van Little Cherry
1/09/15 → 31/08/19