The colonization of afro-tropical wildlife with Staphylococcus aureus and the derived clade Staphylococcus schweitzeri remains largely unknown. A reservoir in bats could be of importance since bats and humans share overlapping habitats. In addition, bats are food sources in some African regions and can be the cause of zoonotic diseases. Here, we present a cross-sectional survey employing pharyngeal swabs of captured and released bats (n=133) in a forest area of Gabon. We detected low colonization rates of S. aureus (4-6%) and S. schweitzeri (4%) in two out of four species of fruit bats, namely Rousettus aegyptiacus and Micropteropus pusillus, but not in insectivorous bats. Multilocus sequence typing showed that S. aureus from Gabonese bats (ST2984, ST3259, ST3301, ST3302) were distinct from major African human associated clones (ST15, ST121, ST152). S. schweitzeri from bats (ST1697, ST1700) clustered with S. schweitzeri from other species (bats, monkeys) from Nigeria and Côte d'Ivoire. In conclusion, colonization rates of bats with S. aureus and S. schweitzeri were low in our study. Phylogenetic analysis supports an intense geographical dispersal of S. schweitzeri among different mammalian wildlife hosts.

译文

金黄色葡萄球菌和衍生的枝状葡萄球菌schweitzeri对亚热带野生生物的定殖仍然是未知的。由于蝙蝠和人类共享重叠的栖息地,蝙蝠中的水库可能很重要。此外,蝙蝠是某些非洲地区的食物来源,并且可能是人畜共患病的原因。在这里,我们介绍了一项横断面调查,该调查采用了在加蓬森林地区捕获和释放的蝙蝠(n = 133)的咽拭子。我们在四种果蝠中发现了金黄色葡萄球菌(4-6%)和瑞氏链球菌(4%)的低定殖率,这四种果蝠分别是埃及伊士鲁埃特氏菌和小粉虱,但在食虫蝙蝠中却没有。多基因座序列分型显示,来自加蓬蝙蝠的金黄色葡萄球菌(ST2984,ST3259,ST3301,ST3302)与非洲主要的人类相关克隆(ST15,ST121,ST152)不同。来自蝙蝠(S1697,ST1700)的S. schweitzeri与来自尼日利亚和科特迪瓦的其他物种(蝙蝠,猴子)的S. schweitzeri聚在一起。总之,在我们的研究中,金黄色葡萄球菌和schweitzeri蝙蝠的定殖率很低。系统发育分析支持瑞氏链球菌在不同哺乳动物野生动植物宿主之间的强烈地理分布。

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