Prospecting for Zoonotic Pathogens by Using Targeted DNA Enrichment.

Prospecting for Zoonotic Pathogens by Using Targeted DNA Enrichment.
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DOI:
10.3201/eid2908.221818
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发表时间:
2023-08
影响因子:
11.8
通讯作者:
Platt, Roy N.
Platt, Roy N.
中科院分区:
医学2区
文献类型:
--
作者:
Enabulele, Egie E.;Le Clec'h, Winka;Roberts, Emma K.;Thompson, Cody W.;McDonough, Molly M.;Ferguson, Adam W.;Bradley, Robert D.;Anderson, Timothy J. C.;Platt, Roy N.

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60多种人畜共患病与小型哺乳动物有关,包括人类历史上一些最具破坏性的病原体。数百万个博物馆存档的组织可用于了解这些病原体的自然历史。我们的目标是通过使用靶向序列捕获,最大限度地发挥博物馆收藏品对病原体研究的价值。我们生成了一个探针面板,其中包括39,916个80 bp RNA探针,靶向32个病原体组,包括细菌,蠕虫,真菌和原生动物。实验室生成的模拟对照样品表明,我们能够从病原体DNA中富集2,882至6,746倍的靶向基因座。我们在博物馆存档的样本中鉴定了细菌种类,包括巴尔通体,一种已知的人类人兽共患病。这些结果表明,基于探针的病原体富集是一种高度可定制和有效的方法,用于从博物馆存档的组织中识别病原体。
More than 60 zoonoses are linked to small mammals, including some of the most devastating pathogens in human history. Millions of museum-archived tissues are available to understand natural history of those pathogens. Our goal was to maximize the value of museum collections for pathogen-based research by using targeted sequence capture. We generated a probe panel that includes 39,916 80-bp RNA probes targeting 32 pathogen groups, including bacteria, helminths, fungi, and protozoans. Laboratory-generated, mock-control samples showed that we are capable of enriching targeted loci from pathogen DNA 2,882‒6,746-fold. We identified bacterial species in museum-archived samples, including Bartonella, a known human zoonosis. These results showed that probe-based enrichment of pathogens is a highly customizable and efficient method for identifying pathogens from museum-archived tissues.
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