Abstract
Southern rice black-streaked dwarf virus (SRBSDV) naturally infects rice and maize plants through white-backed planthopper (Sogatella furcifera) causing significant crop losses in China and Vietnam. Thus, rapid and accurate detection methods for SRBSDV are urgently needed. Recombinase polymerase amplification (RPA) is a novel technique for rapid and sensitive detection of nucleic acids. In this research, a reverse transcription (RT)-RPA-based method was developed for the detection of SRBSDV. A pair of RPA primers targeting the conserved sequences within the SP10 (major coat protein) gene on genomic RNA S10 of SRBSDV were designed. The assay was performed in a single tube at 39 °C for 20 min and demonstrated that the RPA assay is an efficient alternative for rapid detection of SRBSDV.
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