A Multiplex PCR assay for a differential diagnostic of rickettsiosis, Lyme disease and scrub typhus

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Date
2022-04
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Publisher
Wolters Kluwer – Medknow
Abstract
Background & objectives: Coexistence of tick-borne diseases in some regions in Latin America makes the diagnosis difficult due to shared initial signs and symptoms. Rickettsiosis, Lyme disease and recently, scrub typhus are gaining more importance. The objective of this study is to develop a multiplex-PCR assay for a differential diagnosis of rickettsiosis, Lyme disease and scrub typhus. Methods: By using bibliographic and bioinformatic analysis, we identify candidate regions to perform the multiplexPCR assay for Rickettsia sp., Borrelia burgdorferi and Orientia tsutsugamushi as well as identify optimal melting temperature and sensibility analysis. Results: We identified specific primer pairs for Rickettsia sp, Borrelia burgdorferi and Orientia tsutsugamushi with different PCR fragment length but a common melting temperature, 58°C. Interpretation & conclusion: We successfully developed a Multiplex PCR assay for differential diagnosis of rickettsiosis, Lyme disease and scrub typhus that could be a rapid and easy option in clinical and epidemiological practice.Laboratorio de Enfermedades Infecciosas y Parasitarias 1. Unidad Interinstitucional de Investigación Clínica y Epidemiológica, Facultad de Medicina, Universidad Autónoma de Yucatán. Yucatán, Mexico
Laboratorio de Enfermedades Emergentes y Re-emergentes. Centro de Investigaciones Regionales “Dr. Hideyo Noguchi”. Universidad Autonoma de Yucatan. Yucatán, Mexico
Description
Keywords
multiplex-PCR, rickettsiosis, human babesiosis, Lyme disease, scrub typhus
Citation
Peniche-Lara Gaspar, Moo-Salazar Isamara, Dzul-Rosado Karla. A Multiplex PCR assay for a differential diagnostic of rickettsiosis, Lyme disease and scrub typhus. Journal of Vector Borne Diseases . 2022 Apr; 59(2): 178-181