Journal
JOURNAL OF VIROLOGICAL METHODS
Volume 202, Issue -, Pages 19-23Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jviromet.2014.02.024
Keywords
Coconut cadang-cadang viroid; Oil palm; RI-LAMP
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A reverse transcription loop-mediated isothermal amplification (RT-LAMP) detected Coconut cadangcadang viroid (CCCVd) within 60 min at 60 degrees C in total nucleic acid extracted from oil palm leaves infected with CCCVd. Positive reactions showed colour change from orange to green in the reaction mix after the addition of fluorescent reagent, and a laddering pattern band on 2% agarose gel electrophoresis. Conventional RT-PCR with LAMP primers produced amplicons with a sequence identical to the 297-nt CCCVd oil palm variant with the primers being specific for CCCVd and not for other viroids such as PSTVd and CEVd. RT-LAMP was found to be rapid and specific for detecting oil palm CCCVd. (C) 2014 Elsevier B.V. All rights reserved.
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