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Mitogen-activated protein kinase 5, a novel molecular marker for the identification and detection of Trypanozoon species

Wang Ming-Hui, Wen Yan-Zi, Wei Ying, Lai De-Hua, Bengaly Zakaria, Desquesnes Marc, Lun Zhao-Rong. 2012. Mitogen-activated protein kinase 5, a novel molecular marker for the identification and detection of Trypanozoon species. Acta Tropica, 122 (2) : 183-188.

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Quartile : Q1, Sujet : TROPICAL MEDICINE / Quartile : Q2, Sujet : PARASITOLOGY

Résumé : Based on the sequence of mitogen-activated protein kinase 5 (TbMAPK5) gene, we have developed a specific PCR method which can delineate the species within the Trypanozoon subgenus from other parasites or host DNA conveniently. In view of further application in field studies, we performed loop-mediated isothermal amplification (LAMP) employing filter paper flecked with rodent blood. Our data showed that TbMAPK5-specific LAMP was sensitive enough to detect a very low parasitemia during the early stages of the infection and fluctuating parasitemia period, and is below the detection limit by microscope. The detection limit for the infected blood sample was 1000 trypanosomes/ml of blood. Based on these results, we consider that TbMAPK5 locus may be a useful target for LAMP diagnosis providing sensitivity and the potential for the genotyping/identification of Trypanozoon species.

Mots-clés Agrovoc : Trypanosoma, identification, génétique moléculaire, PCR

Classification Agris : L73 - Maladies des animaux
U30 - Méthodes de recherche

Champ stratégique Cirad : Axe 4 (2005-2013) - Santé animale et maladies émergentes

Auteurs et affiliations

  • Wang Ming-Hui, Sun Yat-Sen University (CHN)
  • Wen Yan-Zi, Sun Yat-Sen University (CHN)
  • Wei Ying, Sun Yat-Sen University (CHN)
  • Lai De-Hua, Sun Yat-Sen University (CHN)
  • Bengaly Zakaria, CIRDES (BFA)
  • Desquesnes Marc, CIRAD-BIOS-UMR INTERTRYP (THA) ORCID: 0000-0002-7665-2422
  • Lun Zhao-Rong, Sun Yat-Sen University (CHN)

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Source : Cirad - Agritrop (https://agritrop.cirad.fr/563859/)

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