森林砍伐对从非洲热带雨林捕获的鸟类寄生虫共感染的影响

IF 4.9 Q2 NANOSCIENCE & NANOTECHNOLOGY
Malange Nanyongo Fedo Elikwo, A. Nota, Tchoumbou M Adele, J. Fru-cho, Tabe T. Regine Claire, Tibab Brice, R. Sehgal
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引用次数: 1

摘要

由于森林砍伐造成的环境变化对传染病传播的影响,特别是在寄生虫共同感染的情况下,仍然没有得到充分的研究。由于我们可以研究人类影响的环境并对感染进行纵向研究,因此对鸟类的标记重新捕获特别感兴趣。在2016年森林砍伐之前对喀麦隆西南部地区的鸟类进行了采样,并在2017年预定用于棕榈油农业的地区森林砍伐后再次进行了采样。利用显微镜和PCR技术分析了森林砍伐对所有重新捕获的鸟类寄生虫病的影响、共感染趋势(四种禽血虫和丝虫病超科)以及寄生虫共感染流行率与小气候因素(温度和相对湿度)之间的关系。共捕获鸟类1798只,其中复捕156只。捕获数量最多的3种鸟类分别为白头鹎(20.51%)、白头鹎(18.59%)和红胸Stiphrornis(8.97%)。90.39%的捕获者至少携带1种寄生虫,81.56%的捕获者存在共感染。疟原虫、锥虫和微丝虫的寄生率变化不显著,而血红蛋白和白细胞虫的寄生率在特定鸟类中从首次捕获到随后再捕获的过程中变化显著。疟原虫的多样性、流行率和与其他禽类血虫共感染的流行率最高,且在两种森林类型间差异显著。随机森林分析表明,采样年份、温度和相对湿度是寄生虫共感染的重要预测因子。本研究记录了14个新的遗传细胞色素b谱系(10个疟原虫和4个血红蛋白)。我们的工作表明,在测试的寄生虫中,禽类疟原虫是环境干扰的最佳指标,因为不同森林类型的感染流行率差异很大。鉴于环境的快速变化,该研究尚处于了解禽血虫与其宿主之间复杂相互作用的早期阶段,为响应性森林砍伐中寄生虫共感染趋势提供了基线信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of Deforestation on Avian Parasitic Co-infections in Recaptured Birds from an African Tropical Rainforest
The impact of environmental changes due to deforestation that gives rise to the spread of infectious diseases remain insufficiently studied, particularly in parasitic co-infection scenarios. The mark-recapture of birds is of particular interest since we can study human-impacted environments and conduct longitudinal studies of infections. Birds in the South West region of Cameroon were sampled prior to deforestation in 2016 and again in 2017 following deforestation in an area slated for palm oil agriculture. The impact of deforestation on parasitaemia, co-infections trends (of four avian haematozoans and the Superfamily Filarioidea) and the relationships between the prevalence of co-infection of parasites and microclimatic factors (temperature and relative humidity) in all recaptured birds were analyzed using both microscopy and PCR techniques. A total of 1798 birds were caught, 156 of which were recaptures. The three most abundant birds recaptured were Bleda notatus (20.51%), Alethe castanea (18.59%) and Stiphrornis erythrothorax (8.97%). 90.39% of recaptures harbored at least one parasite genus and 81.56% had co-infections. Plasmodium, Trypanosoma and microfilariae parasitaemia, did not change significantly while Haemoproteus and Leucocytozoon parasitaemia varied significantly in particular bird species from first capture to subsequent recapture. Plasmodium exhibited the highest diversity, prevalence and prevalence of co-infection with other avian haematozoans, and differed significantly across both forest types. Random forest analysis revealed that year of sampling, temperature and relative humidity are important predictors of parasitic co-infections. This study recorded fourteen new genetic cytochrome b lineages (10 Plasmodium and 4 Haemoproteus). Our work suggests that of the parasites tested, avian Plasmodium spp. are the best indicators of environmental disturbance because prevalence of infection varied significantly across forest types. Being in the early stages of understanding the complex interactions between avian hematozoa and their hosts in light of rapid environmental change, the study provides baseline information of parasitic co-infection trends in response deforestation.
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来源期刊
Nanotechnology, Science and Applications
Nanotechnology, Science and Applications NANOSCIENCE & NANOTECHNOLOGY-
CiteScore
11.70
自引率
0.00%
发文量
3
审稿时长
16 weeks
期刊介绍: Nanotechnology, Science and Applications is an international, peer-reviewed, Open Access journal that focuses on the science of nanotechnology in a wide range of industrial and academic applications. The journal is characterized by the rapid reporting of reviews, original research, and application studies across all sectors, including engineering, optics, bio-medicine, cosmetics, textiles, resource sustainability and science. Applied research into nano-materials, particles, nano-structures and fabrication, diagnostics and analytics, drug delivery and toxicology constitute the primary direction of the journal.
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