Alberto Antonio-Campos, Ernesto Ramirez-Moreno, Victor Sanchez-Cordero, Nancy Rivas, Ricardo Alejandre-Aguilar
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The evaluated species were Dipetalogaster maximus (Uhler), Triatoma bassolsae (Alejandre-Aguilar, Nogueda-Torres, Cortéz-Jiménez, Jurberg, Galvão, Carcaballo), T. infestans (Klug), T. lecticularia (Stål), T. mexicana (Herrich-Schaeffer), T. pallidipennis (Stål), T. phyllosoma (Burmeister) and T. picturata (Usinger). The results indicated that T. bassolsae exhibited the highest susceptibility to infection, followed by T. pallidipennis and D. maximus. Our analysis also revealed that T. cruzi (NINOA) infection was significantly associated with triatomine species rather than nymphal stage (p < 0.0001), with substantial variability observed in susceptibility among species (p < 0.001). We ranked triatomine species susceptibility to T. cruzi infection as follows: T. bassolsae > D. maximus = T. pallidipennis = T. picturata = T. mexicana > T. phyllosoma = T. lecticularia = T. infestans. 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引用次数: 0
摘要
恰加斯病由克氏锥虫（Chagas, 1909）引起，由锥虫传播，对公共卫生构成重大挑战。不同种类的锥蝽对克氏弓形虫感染易感性的差异可以深刻地影响疾病的传播动态和控制措施。在本研究中，我们利用NINOA菌株的实验接种和光学显微镜技术，评估了8种triatomine物种在第一和第三若虫期对克氏体感染的易感性。评价种为大双腹腹虫（Uhler）、长鼻舌虫（Alejandre-Aguilar、Nogueda-Torres、cort - jimsamnez、Jurberg、galv、Carcaballo）、infestans （Klug）、T. lecticularia （stamatl）、T. mexicana （Herrich-Schaeffer）、T. pallidipennis （stamatl）、T. phyllosoma （Burmeister）和T. picturata （Usinger）。结果表明，对感染的易感性最高的是bassolsae，其次是pallidipennis和d.s maximus。我们的分析还显示，克氏锥虫（NINOA）感染与triatomine种而非若虫期显著相关（p < 0.0001），不同种之间的易感性存在很大差异（p < 0.001）。对克氏弓形虫的易感性排序为：bassolsae b> maximus = T. pallidipennis = T. picturata = T. mexicana > T. phyllosoma = T. lecticularia = T. infestans。这些发现增强了我们对克氏锥虫传播动力学的理解，并为制定针对这一被忽视的热带病的有效控制策略提供了有价值的见解。
Variability in Trypanosoma cruzi susceptibility among species of kissing bugs (Hemiptera: Reduviidae: Triatominae) in Mexico.
Chagas disease, caused by the kinetoplastid Trypanosoma cruzi (Chagas, 1909), and transmitted by triatomine bugs, poses a significant public health challenge. Variability in the susceptibility of different triatomine species to T. cruzi infection can profoundly influence disease transmission dynamics and control measures. In this study, we assessed the susceptibility to T. cruzi infection in the first and third nymphal stages across eight triatomine species to T. cruzi infection using experimental inoculation with the NINOA strain and optical microscopy. The evaluated species were Dipetalogaster maximus (Uhler), Triatoma bassolsae (Alejandre-Aguilar, Nogueda-Torres, Cortéz-Jiménez, Jurberg, Galvão, Carcaballo), T. infestans (Klug), T. lecticularia (Stål), T. mexicana (Herrich-Schaeffer), T. pallidipennis (Stål), T. phyllosoma (Burmeister) and T. picturata (Usinger). The results indicated that T. bassolsae exhibited the highest susceptibility to infection, followed by T. pallidipennis and D. maximus. Our analysis also revealed that T. cruzi (NINOA) infection was significantly associated with triatomine species rather than nymphal stage (p < 0.0001), with substantial variability observed in susceptibility among species (p < 0.001). We ranked triatomine species susceptibility to T. cruzi infection as follows: T. bassolsae > D. maximus = T. pallidipennis = T. picturata = T. mexicana > T. phyllosoma = T. lecticularia = T. infestans. These findings enhance our understanding of T. cruzi transmission dynamics and offer valuable insights for the development of effective control strategies against this neglected tropical disease.
期刊介绍：
FOLIA PARASITOLOGICA, issued in online versions, is an international journal that covers the whole field of general, systematic, ecological and experimental parasitology. It publishes original research papers, research notes and review articles. Contributions from all branches of animal parasitology, such as morphology, taxonomy, biology, biochemistry, physiology, immunology, molecular biology and evolution of parasites, and host-parasite relationships, are eligible. Novelty and importance in the international (not local or regional) context are required. New geographical records of parasites, records of new hosts, regional parasite and/or host surveys (if they constitute the principal substance of manuscript), local/regional prevalence surveys of diseases, local/regional studies on epidemiology of well known diseases and of parasite impact on human/animal health, case reports, routine clinical studies and testing of established diagnostic or treatment procedures, will not be considered. One species description will also not be considered unless they include more general information, such as new diagnostic characters, host-parasite associations, phylogenetic implications, etc. Manuscripts found suitable on submission will be reviewed by at least two reviewers.
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