禽戊型肝炎病毒(aHEV)在布基纳法索家禽和野鸟中的分布和分子特征

J. Ouoba, K. A. Traore, Alphonsine Kouassi Mbengue, S. Ngazoa, H. Rouamba, M. Doumbia, A. Traoré, P. Roques, N. Barro
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引用次数: 0

摘要

戊型禽流感病毒(aHEV)在家禽业中具有重要的临床意义,可导致鸡死亡并减少鸡蛋产量,给家禽业造成重大经济损失。然而,对布基纳法索的这种戊肝病毒感染知之甚少。本研究报告了在无临床疾病的家禽和野生鸟类中aHEV的分布和特征。在2015年2月至2016年6月期间,共从布基纳法索四个省收集了173份鸟类肝脏样本。利用逆转录聚合酶链反应(RT-PCR)和aHEV特异性退化引物筛选aHEV的存在。在29份(16.8%)肝脏样本中检测到aHEV RNA。其中,不同种鸟的流行程度不同;其次是家鸡(23.5%)、圆链藻(13.3%)、耧斗菜(13.3%)、扁桃菜(6.7%)和斑蝶(3.3%)。本研究首次揭示了在布基纳法索六种鸟类中流行戊型肝炎病毒感染。因此,对我国家禽死亡率和蛋品产量的影响进行进一步研究是很重要的。关键词:戊型禽流感病毒,人畜共患病,鸟类,流行,布基纳法索
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Distribution and molecular characterization of avian hepatitis E virus (aHEV) in domestic and wild birds in Burkina Faso
Avian hepatitis E virus (aHEV), clinically important in poultry industry, can cause death and reduce egg production of chickens, resulting in significant economic losses in the poultry industry. However, little is known about this aHEV infection in Burkina Faso. This study presents the results of distribution and characterization of aHEV in domestic and wild birds without clinical disease. In total 173 birds liver samples were collected from four Burkina Faso provinces, between February 2015 and June 2016. Reverse transcription polymerase chain reaction (RT-PCR) with aHEV specific degenerate primers was used to screen the presence of aHEV. RNA of aHEV was detected in 29 (16.8%) liver samples. Of these, the prevalence was diverse in different species of birds; the most frequent level was 35.3% in Numida meleagris, respectively followed by 23.5% in Gallus gallus domesticus, 13.3% in Streptopelia turtur, 13.3% in Columba livia, 6.7% in Anas platyrhynchos and 3.3% in Pternistis natalensis. The present study firstly revealed the prevalence of HEV infection in six species of birds in Burkina. It is therefore important to conduct further research on the impact on poultry mortality and egg production in our country. Key words: Avian hepatitis E virus, zoonosis, birds, prevalence, Burkina Faso.
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