Enteric bacteria promote human and mouse norovirus infection of B cells.

Enteric bacteria promote human and mouse norovirus infection of B cells.
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DOI:
10.1126/science.1257147
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发表时间:
2014-11-07
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Karst SM
Karst SM
中科院分区:
其他
文献类型:
--
作者:
Jones MK;Watanabe M;Zhu S;Graves CL;Keyes LR;Grau KR;Gonzalez-Hernandez MB;Iovine NM;Wobus CE;Vinjé J;Tibbetts SA;Wallet SM;Karst SM

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The cell tropism of human noroviruses and the development of an in vitro infection model remain elusive. Although susceptibility to individual human norovirus strains correlates with an individual’s histo-blood group antigen (HBGA) profile, the biological basis of this restriction is unknown. We demonstrate that human and mouse noroviruses infected B cells in vitro and likely in vivo. Human norovirus infection of B cells required the presence of HBGA-expressing enteric bacteria. Furthermore, mouse norovirus replication was reduced in vivo when the intestinal microbiota was depleted by means of oral antibiotic administration. Thus, we have identified B cells as a cellular target of noroviruses and enteric bacteria as a stimulatory factor for norovirus infection, leading to the development of an in vitro infection model for human noroviruses.
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