Egaña Camila, Vergara Fernanda, Campos Ricardo, Ortiz Sylvia, Botto-Mahan Carezza, Solari Aldo
Programa de Biología Celular y Molecular, Instituto de ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile; Instituto de Biología, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile; Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, Chile.
Programa de Biología Celular y Molecular, Instituto de ciencias Biomédicas (ICBM), Facultad de Medicina, Universidad de Chile, Santiago, Chile; Instituto de Biología, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile; Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
Am J Trop Med Hyg. 2014 Sep;91(3):534-6. doi: 10.4269/ajtmh.13-0721. Epub 2014 Jun 16.
We evaluated Trypanosoma cruzi infection rates by means of minicircle DNA-based polymerase chain reactions (PCRs) in 70 starved Mepraia gajardoi from northern Chile and 65 M. spinolai from central Chile after feeding. Immediately after collection in the field, 20% of M. gajardoi were found infected; after feeding, 67% of the uninfected were infected. One group of M. spinolai seemed to be completely uninfected, but after the first and second feedings, 62% and 59% were positive, respectively.
我们通过基于微小环DNA的聚合酶链反应(PCR)评估了来自智利北部的70只饥饿的盖氏梅氏锥蝽和来自智利中部的65只饱腹的斯氏梅氏锥蝽的克氏锥虫感染率。在野外采集后立即检测发现,20%的盖氏梅氏锥蝽已被感染;喂食后,67%未感染的锥蝽被感染。一组斯氏梅氏锥蝽似乎完全未被感染,但在第一次和第二次喂食后,阳性率分别为62%和59%。