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首页> 外文期刊>The American Journal of Tropical Medicine and Hygiene >Inferring from the Cyt B gene the Triatoma brasiliensis Neiva, 1911 (Hemiptera: Reduviidae: Triatominae) genetic structure and domiciliary infestation in the state of Paraiba, Brazil.
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Inferring from the Cyt B gene the Triatoma brasiliensis Neiva, 1911 (Hemiptera: Reduviidae: Triatominae) genetic structure and domiciliary infestation in the state of Paraiba, Brazil.

机译：从Cyt B基因推论巴西帕拉伊巴州的巴西Triatoma brasiliensis Neiva，1911年（半翅目：Reduviidae：Triatominae）的遗传结构和住所感染。

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摘要

The Triatoma brasiliensis genetic structure was analyzed using the Cyt B gene in different geographic locations and ecotopes after a short and long period after insecticide treatment. Four different localities (16-40 km apart) in the state of Paraiba, Brazil, were sampled. Analysis of molecular variance (AMOVA) showed that grouping populations according to the geographic location or ecotope resulted in a higher variance among populations within groups (Phi(SC) ranging from 0.15 to 0.17) than among groups (Phi(CT) ranging from 0.04 to 0.07). The percentage of variation was reduced among populations within groups and increased among groups (Phi(SC) = 0.08, Phi(CT) = 0.16) by grouping 1) the domiciliary populations from each village and 2) all wild populations. These data indicated that T. brasiliensis is genetically structured both ecologically and at a smaller geographic scale for domiciliary populations. Re-infestations after insecticide treatment were composed of distinct populations, pointing to variable population sources for domiciliary infestations.
机译：使用杀虫剂处理短期和长期之后，使用Cyt B基因分析了巴西Triatoma的遗传结构，该基因位于不同的地理位置和生态环境。对巴西帕拉伊巴州的四个不同地点（相距16-40公里）进行了采样。分子方差分析（AMOVA）显示，根据地理位置或生态位对人群进行分组，导致组内（Phi（SC）范围从0.15到0.17）的群体之间的差异较大，而组间（Phi（CT）范围从0.04到200） 0.07）。通过对1）每个村庄的家庭居民种群和2）所有野生种群进行分组，变异百分比在各组之间的种群中减少，而在各组之间则增加（Phi（SC）= 0.08，Phi（CT）= 0.16）。这些数据表明，巴西家蝇的生态结构和家系种群的地理规模都较小。杀虫剂处理后的再侵害由不同的种群组成，这表明住所侵袭的种群来源不同。

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