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首页> 外文期刊>Parasitology >Ecology of malaria infections in western lowland gorillas inhabiting Dzanga Sangha Protected Areas, Central African Republic
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Ecology of malaria infections in western lowland gorillas inhabiting Dzanga Sangha Protected Areas, Central African Republic

机译：中非共和国Dzanga Sangha保护区的西部低地大猩猩疟疾感染的生态学

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African great apes are susceptible to infections with several species of Plasmodium, including the predecessor of Plasmodium falciparum. Little is known about the ecology of these pathogens in gorillas. A total of 131 gorilla fecal samples were collected from Dzanga-Sangha Protected Areas to study the diversity and prevalence of Plasmodium species. The effects of sex and age as factors influencing levels of infection with Plasmodium in habituated gorilla groups were assessed. Ninety-five human blood samples from the same locality were also analysed to test for cross-transmission between humans and gorillas. According to a cytB PCR assay 32% of gorilla's fecal samples and 43.1% human individuals were infected with Plasmodium spp. All Laverania species, Plasmodium vivax, and for the first time Plasmodium ovale were identified from gorilla samples. Plasmodium praefalciparum was present only from habituated individuals and P. falciparum was detected from human samples. Although few P. vivax and P. ovale sequences were obtained from gorillas, the evidence for cross-species transmission between humans and gorillas requires more in depth analysis. No association was found between malaria infection and sex, however, younger individuals aged 6 years were more susceptible. Switching between two different Plasmodium spp. was observed in three individuals. Prolonged monitoring of Plasmodium infection during various seasons and recording behavioural data is necessary to draw a precise picture about the infection dynamics.
机译：非洲大猿容易感染几种疟原虫，包括恶性疟原虫的前身。对大猩猩中这些病原体的生态学知之甚少。从Dzanga-Sangha保护区收集了131个大猩猩粪便样品，以研究疟原虫物种的多样性和流行情况。评估了性别和年龄作为习惯性大猩猩组感染疟原虫感染水平的因素的影响。还分析了来自同一地点的95个人体血液样本，以测试人类与大猩猩之间的交叉传播。根据cytB PCR分析，32％的大猩猩粪便样本和43.1％的人类个体感染了疟原虫属。从大猩猩样品中鉴定出所有紫薇属物种，间日疟原虫和椭圆形疟原虫。恶性疟原虫仅存在于习惯的个体中，而恶性疟原虫是从人类样品中检出的。尽管从大猩猩获得的间日疟原虫和卵圆形疟原虫序列很少，但是人与大猩猩之间跨物种传播的证据需要更多的深入分析。疟疾感染与性别之间没有关联，但是，年龄在6岁以下的年轻人更容易受到感染。在两个不同的疟原虫属之间切换。在三个人中观察到。为了绘制出有关感染动态的精确图片，有必要对各个季节的疟原虫感染进行长期监测并记录行为数据。

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