Commensal microbes and interferon-λ determine persistence of enteric murine norovirus infection.
Commensal microbes and interferon-λ determine persistence of enteric murine norovirus infection.
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DOI:
10.1126/science.1258025
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发表时间:
2015-01-16
期刊:
影响因子:
--
通讯作者:
Virgin HW
中科院分区:
文献类型:
--
作者:
Baldridge MT;Nice TJ;McCune BT;Yokoyama CC;Kambal A;Wheadon M;Diamond MS;Ivanova Y;Artyomov M;Virgin HW
The capacity of human norovirus (NoV), which causes >90% of global epidemic nonbacterial gastroenteritis, to infect a subset of people persistently may contribute to its spread. How such enteric viruses establish persistent infections is not well understood. We found that antibiotics prevented persistent murine norovirus (MNoV) infection, an effect that was reversed by replenishment of the bacterial microbiota. Antibiotics did not prevent tissue infection or affect systemic viral replication but acted specifically in the intestine. The receptor for the antiviral cytokine interferon-λ, Ifnlr1, as well as the transcription factors Stat1 and Irf3, were required for antibiotics to prevent viral persistence. Thus, the bacterial microbiome fosters enteric viral persistence in a manner counteracted by specific components of the innate immune system.
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DOI:
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发表时间:
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期刊:
Science (New York, N.Y.)
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