Geographic variation in the eukaryotic virome of human diarrhea.

Geographic variation in the eukaryotic virome of human diarrhea.
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DOI:
10.1016/j.virol.2014.09.012
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发表时间:
2014-11
期刊:
影响因子:
3.7
通讯作者:
Wang, David
Wang, David
中科院分区:
医学3区
文献类型:
--
作者:
Holtz, Lori R.;Cao, Song;Zhao, Guoyan;Bauer, Irma K.;Denno, Donna M.;Klein, Eileen J.;Antonio, Martin;Stine, O. Cohn;Snelling, Thomas L.;Kirkwood, Carl D.;Wang, David

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Little is known about the population of eukaryotic viruses in the human gut (“virome”) or the potential role it may play in disease. We used a metagenomic approach to define and compare the eukaryotic viromes in pediatric diarrhea cohorts from two locations (Melbourne and Northern Territory, Australia). We detected viruses known to cause diarrhea, non-pathogenic enteric viruses, viruses not associated with an enteric reservoir, viruses of plants, and novel viruses. Viromes from Northern Territory children contained more viral families per sample than viromes from Melbourne, which could be attributed largely to an increased number of sequences from the families Adenoviridae and Picornaviridae (genus enterovirus). qRT-PCR/PCR confirmed the increased prevalence of adenoviruses and enteroviruses. Testing of additional diarrhea cohorts by qRT-PCR/PCR demonstrated statistically different prevalences in different geographic sites. These findings raise the question of whether the virome plays a role in enteric diseases and conditions that vary with geography. 22 different viral families detected in pediatric diarrhea. More viral families in diarrhea from Northern Territory than diarrhea from Melbourne. Adenoviridae and Picornaviridae more common in Northern Territory than in Melbourne. qRT-PCR/PCR confirmed the increased prevalence of adenoviruses and enteroviruses. Viromes in patients with diarrhea differ between two different geographic sites.
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