PDF(Pubmed)
Abstract：
The increasing urbanization of ecosystems has had a significant impact on wildlife over the last few years. Species that find an unlimited supply of food and shelter in urban areas have thrived under human presence. Wild birds have been identified as amplifying hosts and reservoirs of Campylobacter worldwide, but the information about its transmission and epidemiology is still limited. This study assessed the prevalence of Campylobacter in 137 urban birds admitted at a wildlife rescue center, with 18.8% of individuals showing positive. C. jejuni was the most frequent species (82.6%), followed by C. coli and C. lari (4.3% each). The order Passeriformes (33.3%) showed significant higher presence of Campylobacter when compared to orders Columbiformes (0%) and Ciconiiformes (17.6%), as well as in samples collected during the summer season (31.9%), from omnivorous species (36.8%) and young individuals (26.8%). Globally, Campylobacter displayed a remarkable resistance to ciprofloxacin (70.6%), tetracycline (64.7%), and nalidixic acid (52.9%). In contrast, resistance to streptomycin was low (5.8%), and all the isolates showed susceptibility to erythromycin and gentamycin. The results underline the importance of urban birds as reservoirs of thermophilic antimicrobial-resistant Campylobacter and contribute to enhancing the knowledge of its distribution in urban and peri-urban ecosystems.
摘要：
在过去的几年中，生态系统日益城市化对野生动植物产生了重大影响。在城市地区找到无限食物和住所的物种在人类的存在下蓬勃发展。野生鸟类已被确定为全球弯曲杆菌的放大宿主和水库，但是关于其传播和流行病学的信息仍然有限。这项研究评估了野生动物救援中心收治的137只城市鸟类中弯曲杆菌的流行情况，18.8%的人表现为阳性。空肠弯曲杆菌是最常见的物种(82.6%)，其次是C.coli和C.lari（各4.3％）。与Columbiformes（0％）和Ciconiformes（17.6％）相比，Passeriformes（33.3％）显示出明显更高的弯曲杆菌存在，以及在夏季收集的样本(31.9%)，来自杂食性物种（36.8%）和年轻个体（26.8%）。全球范围内,弯曲杆菌对环丙沙星有明显的耐药性(70.6%),四环素(64.7%),和萘啶酸(52.9%)。相比之下,对链霉素的耐药性较低（5.8％），所有分离株均对红霉素和庆大霉素敏感。结果强调了城市鸟类作为嗜热抗菌性弯曲杆菌的水库的重要性，并有助于增强其在城市和城市周围生态系统中分布的知识。
