Abstract
Loop-mediated isothermal amplification (LAMP) is one recently developed gene amplification technique that emerges as a simple and quick diagnostic tool for early detection of nucleic acid targets. The LAMP technique works on the principle of strand displacement activity of Bst polymerase. It contains a set of four specially designed primers, which recognizes six different regions on the target nucleotide sequence. In the LAMP reaction, amplification is carried out in an isothermal conditions (60–65°C) using simple and inexpensive device like water bath or dry bath. Additional benefits of LAMP technique are that final results can be seen directly with naked eyes by adding intercalating dye SYBR Green I in the reaction tube. Reverse transcription loop-mediated isothermal amplification (RT-LAMP) is one of the novel techniques used for detection of RNA targets. The technology has been successfully applied for rapid and sensitive detection of Citrus tristeza virus (CTV) by using four oligo-primers, targeting a conserved coat protein gene (CPG) of an Indian CTV isolate. The result of assay is visible in naked eyes easily in the presence of SYBR Green I (100×) or on 1.5% agarose gel electrophoresis. CTV-RT-LAMP could be used away from plant pathology laboratories even in remote location.
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Ghosh, D.K., Warghane, A., Biswas, K.K. (2019). Rapid and Sensitive Detection of Citrus tristeza virus Using Reverse Transcription Loop-Mediated Isothermal Amplification (RT-LAMP) Assay. In: Catara, A., Bar-Joseph, M., Licciardello, G. (eds) Citrus Tristeza Virus. Methods in Molecular Biology, vol 2015. Humana, New York, NY. https://doi.org/10.1007/978-1-4939-9558-5_10
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DOI: https://doi.org/10.1007/978-1-4939-9558-5_10
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