巴西东北部一个自给自足的养猪场中的 Triatoma sherlocki Papa 等人 2002(Reduviidae:Triatominae)群落中的克鲁斯 Trypanosoma cruzi(Chagas,1909)感染。

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Medical and Veterinary Entomology Pub Date : 2024-07-25 DOI:10.1111/mve.12746
Flavia Santos, Alice Dos Santos Saraiva, Sabrina Mota Lambert, Jairo Torres Magalhães-Junior, Ianei de Oliveira Carneiro, Larissa José Parazzi, Jader de Oliveira, Bárbara Maria Paraná da Silva Souza, Carlos Roberto Franke
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引用次数: 0

摘要

谢洛克蝽(Triatoma sherlocki)被认为是食草动物;然而,家庭入侵似乎迫在眉睫,它可能携带南美锥虫病的病原体克鲁兹锥虫(Trypanosoma cruzi)。本研究的目的是报告在一个自给自足的养猪场中首次出现的被克鲁兹锥虫感染的 T. sherlocki 群体。采集到的三螨通过聚合酶链式反应(PCR)技术进行了T. cruzi检测,并确定了血粉来源。在养猪场采集到的 19 只三体虫属于 T. sherlocki 种,其中若虫占 26.3%(5/19),雄虫占 52.6%(10/19),雌虫占 21.1%(4/19)。聚合酶链式反应(PCR)显示,15.8%(3/19)的三螨感染了克鲁兹蝇。在三螨中唯一检测到的血餐来源(n = 11)是家养哺乳动物Sus scrofa(俗称家猪),这表明T. sherlocki是一种机会主义者,以环境中可利用的脊椎动物为食,包括家养动物(如猪)。这些结果凸显了T.sherlocki这一物种定居的可能性,以及它在游牧环境和家养环境之间传播克鲁斯绦虫的潜在作用。
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Infection by Trypanosoma cruzi (Chagas, 1909) in a colony of Triatoma sherlocki Papa et al. 2002 (Reduviidae: Triatominae) present in a subsistence pig farm in Northeast Brazil.

Triatomines of the species Triatoma sherlocki are considered sylvatic; however, household invasion appears imminent, potentially carrying Trypanosoma cruzi, the causative agent of Chagas disease. The aim of this study was to report the first occurrence of a colony of T. sherlocki infected by T. cruzi in a subsistence pig farm. Triatomines collected underwent polymerase chain reaction (PCR) technique for T. cruzi detection and determination of blood meal source. The 19 triatomines collected in the pig farm were of the species T. sherlocki, comprising 26.3% nymphs (5/19), 52.6% males (10/19) and 21.1% females (4/19). PCR showed that 15.8% (3/19) of triatomines were infected by T. cruzi. The only detected blood meal source in triatomines (n = 11) was the domestic mammal Sus scrofa, commonly known as domestic pig, indicating that T. sherlocki is an opportunist, feeding on available vertebrates in the environment, including domestic animals such as pigs. These results highlight the possibility of domiciliation of the species T. sherlocki and its potential role in bridging the transmission of T. cruzi between sylvatic and domestic environments.

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来源期刊
Medical and Veterinary Entomology
Medical and Veterinary Entomology 农林科学-昆虫学
CiteScore
3.70
自引率
5.30%
发文量
65
审稿时长
12-24 weeks
期刊介绍: Medical and Veterinary Entomology is the leading periodical in its field. The Journal covers the biology and control of insects, ticks, mites and other arthropods of medical and veterinary importance. The main strengths of the Journal lie in the fields of: -epidemiology and transmission of vector-borne pathogens changes in vector distribution that have impact on the pathogen transmission- arthropod behaviour and ecology- novel, field evaluated, approaches to biological and chemical control methods- host arthropod interactions. Please note that we do not consider submissions in forensic entomology.
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