Defining the Specific Pathogen-Free State of Xenopus Using TaqMan Assays.

Defining the Specific Pathogen-Free State of Xenopus Using TaqMan Assays.
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使用 TaqMan 检测定义非洲爪蟾的特定无病原体状态。

DOI:
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发表时间:
2020
影响因子:
--
通讯作者:
S. Feldman
S. Feldman
中科院分区:
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文献类型:
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作者:
Casey Hensley;Kaitlin M Bowes;S. Feldman

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为研究而饲养的珍贵的近交和转基因实验室饲养的非洲爪蟾蛙构成了对某些机会性传染病易感的幼稚动物种群。因此,作为生物安全措施,在引入现有种群之前对任何新动物采集进行表征是谨慎的,以防止同时引入与新动物相关的传染性微生物。此外,非洲爪蟾的一些病原体,如衣原体和分枝杆菌属,是人畜共患疾病,使养蛙者面临感染的风险。因为它是不符合成本效益的测试所有疾病的爪蟾蛙,我们已经定义了一个子集的流行传染性微生物和TaqMan聚合酶链反应(PCR)检测这些代理商。我们的测试组中的特定病原体选自相对较新的出版物,其中据报道它们导致非洲爪蟾和/或X.本文中的测定不构成爪蟾蛙传染病的全面列表。因此,在我们的测试面板中没有感染因子的青蛙被表征为“无特定病原体”。“三种所述的定量聚合酶链反应(qPCR)测定检测其属内的许多物种(即,蛙病毒、衣原体属和隐孢子虫属的qPCR)。
Colonies of valuable inbred and transgenic laboratory-reared Xenopus frogs maintained for research constitute naïve populations of animals susceptible to some opportunistic infectious diseases. Therefore, it is prudent to characterize any new animal acquisitions before introduction into an existing colony as a biosecurity measure to preclude the concurrent introduction of an infectious microorganism associated with the new animal(s). In addition, some pathogens of Xenopus, such as Chlamydia and Mycobacterium spp, are zoonotic diseases, placing frog aquarists at risk for acquiring an infection. Because it is not cost effective to test for all diseases of Xenopus frogs, we have defined a subset of prevalent infectious microorganisms and developed TaqMan polymerase chain reaction (PCR) assays to detect these agents. The specific pathogens in our test panel were selected from relatively recent publications where they reportedly caused morbidity and/or mortality in Xenopus laevis and/or X. tropicalis The assays herein do not constitute a comprehensive list of infectious diseases of Xenopus frogs. Therefore, a frog devoid of the infectious agents in our test panel are characterized as "specific pathogen-free." Three of the described quantitative polymerase chain reaction (qPCR) assays detect many species within their genus (i.e., qPCRs for ranaviruses, Chlamydia spp, and Cryptosporidia spp).
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