加蓬弗朗斯维尔啮齿动物和鸡隐孢子虫属感染的流行率

Patrice Makouloutou-Nzassi, Bernie Bouchedi, J. Mangombi-Pambou, N. Longo-Pendy, N. N’dilimabaka, F. Bangueboussa, Schedy Koumba, Anicet Mouity Matoumba, Larson Boundenga, G. Maganga, R. Mintsa-Nguema
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摘要

背景和目的:隐孢子虫属是原生动物门的成员,能够感染各种脊椎动物宿主,包括啮齿动物和鸡。由这些寄生虫引起的感染可能导致人畜共患病。本研究旨在估算加蓬弗朗斯维尔采样的啮齿动物和家鸡中隐孢子虫属的流行率。材料和方法:收集了 285 份样本,其中 185 份来自啮齿动物,100 份来自家鸡。采用改良齐氏-奈尔森染色法和针对小亚基(SSU)rRNA 基因的巢式聚合酶链反应进行显微镜检查,以检测隐孢子虫属。 结果:隐孢子虫的总体流行率为 0.5%:隐孢子虫卵囊的总体流行率为 55.8%,其中啮齿动物的流行率为 72.4%,家鸡的流行率为 25.0%。分子分析显示,4.0%的样本中存在隐孢子虫属。在这项研究中,没有观察到隐孢子虫携带与性别或地点之间存在明显的相关性。这些结果表明,隐孢子虫属在加蓬弗朗斯维尔的研究动物物种中持续存在并循环。结论隐孢子虫感染在弗朗斯维尔的啮齿动物和鸡中非常常见。不能排除人类污染的潜在风险。应开展更多研究,以确定加蓬啮齿动物和鸡体内隐孢子虫的种类。这些研究对于更好地了解这种原生动物的流行病学及其对公共卫生的潜在影响至关重要。关键词:隐孢子虫隐孢子虫属 家鸡 加蓬 卵囊 啮齿动物
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Prevalence of Cryptosporidium spp. infection in rodents and chickens in Franceville, Gabon
Background and Aim: Cryptosporidium spp. members of the phylum Apicomplexa are obligate protozoan parasites capable of infecting various vertebrate hosts, including rodents and chickens. Infection caused by these parasites may lead to zoonotic diseases in humans. The aim of this study was to estimate the prevalence of Cryptosporidium spp. in rodents and domestic chickens sampled in Franceville, Gabon. Materials and Methods: Two hundred and eighty-five samples were collected, of which 185 samples were from rodents and 100 from domestic chickens. Microscopy after modified Ziehl-Neelsen staining and nested polymerase chain reaction targeting the small subunit (SSU) rRNA gene was used to examine Cryptosporidium spp. Results: The overall prevalence of Cryptosporidium oocysts was 55.8%, with a prevalence of 72.4% in rodents and 25.0% in domestic chickens. Molecular analysis showed that Cryptosporidium spp. were present in 4.0% of the samples. No significant correlation was observed between Cryptosporidium spp. carriage and sex or location in this study. These results indicate that Cryptosporidium spp. persist and circulate in the studied animal species in Franceville, Gabon. Conclusion: Infection with Cryptosporidium is very common in rodents and chickens in Franceville. The potential risk of human contamination cannot be ruled out. More research should be conducted to characterize Cryptosporidium species circulating in rodents and chickens in Gabon. Such studies are essential to better understand the epidemiology of this protozoan and its potential impact on public health. Keywords: Cryptosporidium spp., domestic chickens, Gabon, Oocysts, rodents.
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