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  • Title: Simultaneous detection of six citrus viroids and Apple stem grooving virus from citrus plants by multiplex reverse transcription polymerase chain reaction.
    Author: Ito T, Ieki H, Ozaki K.
    Journal: J Virol Methods; 2002 Dec; 106(2):235-9. PubMed ID: 12393154.
    Abstract:
    We developed a multiplex reverse transcription polymerase chain reaction (RT-PCR) to detect six citrus viroids: Citrus exocortis viroid (CEVd), Citrus bent leaf viroid (CBLVd), Hop stunt viroid (HSVd), Citrus viroid III (CVd-III), Citrus viroid IV (CVd-IV) and Citrus viroid OS (CVd-OS) and Apple stem grooving virus (ASGV, synonym: Citrus tatter leaf virus (CTLV)) from citrus plants. The multiplex RT-PCR was also designed to distinguish CVd-I-LSS (a distinct variant of CBLVd) from CBLVd. By the multiplex RT-PCR, one to eight fragments specific to the pathogens were simultaneously amplified from one sample and identified by their specific molecular sizes in 6% polyacrylamide gel electrophoresis. The results of the multiplex RT-PCR were consistent with those of other diagnoses, such as uniplex RT-PCR, to detect each of the pathogens. The multiplex RT-PCR provides a simple and rapid method for detecting various viroids and ASGV in citrus plants, which will help diagnose many citrus plants at a time.
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