首次报告墨西哥瓦哈卡州城市周边环境中Triatoma phyllosoma混合感染克氏锥虫离散分型单位的情况。

IF 1.8 4区医学 Q2 PARASITOLOGY

Revista da Sociedade Brasileira de Medicina Tropical Pub Date : 2024-03-25 eCollection Date: 2024-01-01 DOI:10.1590/0037-8682-0449-2023

Dulce Concepción Domínguez-Cruz, Doireyner Daniel Velázquez-Ramírez, Zendy Evelyn Olivo-Vidal, José Antonio De Fuentes-Vicente, Héctor Ochoa-Díaz-López

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引用次数: 0

摘要

背景：恰加斯病是一种人畜共患疾病，主要通过三足虫亚科的嗜血昆虫传播，由克鲁斯锥虫引起，分为六个离散分型单元（DTU：TcI-TcVI 和 Tcbat）：方法：从墨西哥瓦哈卡州圣多明各特万特佩克市的 84 个人类住所中收集昆虫载体；4.76% 的住所受到昆虫侵扰。采用传统和巢式 PCR 方法测定 DTU：感染率为 43.6%。结果：感染率为 43.6%，所有昆虫都感染了 TcI，但有一个标本混合感染了 TcII：结论：这是研究地区的主要病媒 Triatoma phyllosoma 首次报告 T. cruzi 混合感染。

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First report of mixed Trypanosoma cruzi discrete typing units infection in Triatoma phyllosoma in the peri-urban environment of Oaxaca, Mexico.

Background: Chagas disease, a zoonosis transmitted mainly by hematophagous insects of the subfamily Triatominae, is caused by Trypanosoma cruzi, classified into six discrete typing units (DTUs: TcI-TcVI and Tcbat).

Methods: Insect vectors were collected from 84 human dwellings in the municipality of Santo Domingo Tehuantepec, Oaxaca, Mexico; 4.76% were infested. DTUs were determined using conventional and nested PCR.

Results: The infection rate was 43.6%. All insects were infected with TcI while one specimen showed mixed infection with TcII.

Conclusions: This is the first report of T. cruzi mixed infection in Triatoma phyllosoma, its main vector in the study region.

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来源期刊

Revista da Sociedade Brasileira de Medicina Tropical 医学-热带医学

CiteScore

3.40

自引率

10.00%

发文量

195

审稿时长

3-8 weeks

期刊介绍： The Journal of the Brazilian Society of Tropical Medicine (JBSTM) isan official journal of the Brazilian Society of Tropical Medicine) with open access. It is amultidisciplinary journal that publishes original researches related totropical diseases, preventive medicine, public health, infectious diseasesand related matters. Preference for publication will be given to articlesreporting original observations or researches. The journal has a peer-reviewsystem for articles acceptance and its periodicity is bimonthly. The Journalof the Brazilian Society of Tropical Medicine is published in English.The journal invites to publication Major Articles, Editorials, Reviewand Mini-Review Articles, Short Communications, Case Reports, TechnicalReports, Images in Infectious Diseases, Letters, Supplements and Obituaries.