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dc.contributor.authorIwami, Shingoja
dc.contributor.authorSato, Keija
dc.contributor.authorMorita, Satoruja
dc.contributor.authorInaba, Hisashija
dc.contributor.authorKobayashi, Tomokoja
dc.contributor.authorTakeuchi, Junko S.ja
dc.contributor.authorKimura, Yuichija
dc.contributor.authorMisawa, Naokoja
dc.contributor.authorRen, Fengrongja
dc.contributor.authorIwasa, Yohja
dc.contributor.authorAihara, Kazuyukija
dc.contributor.authorKoyanagi, Yoshioja
dc.contributor.alternative佐藤, 佳ja
dc.contributor.alternative小柳, 義夫ja
dc.date.accessioned2016-07-01T05:27:29Z-
dc.date.available2016-07-01T05:27:29Z-
dc.date.issued2015-07-17ja
dc.identifier.issn2045-2322ja
dc.identifier.urihttp://hdl.handle.net/2433/215754-
dc.description.abstractAmong the four groups of HIV-1 (M ,N, O, and P), HIV-1M alone is pandemic and has rapidly expanded across the world. However, why HIV-1M has caused a devastating pandemic while the other groups remain contained is unclear. Interestingly, only HIV-1M Vpu, a viral protein, can robustly counteract human tetherin, which tethers budding virions. Therefore, we hypothesize that this property of HIV-1M Vpu facilitates human-to-human viral transmission. Adopting a multilayered experimental-mathematical approach, we demonstrate that HIV-1M Vpu confers a 2.38-fold increase in the prevalence of HIV-1 transmission. When Vpu activity is lost, protected human populations emerge (i.e., intrinsic herd immunity develops) through the anti-viral effect of tetherin. We also reveal that all Vpus of transmitted/founder HIV-1M viruses maintain anti-tetherin activity. These findings indicate that tetherin plays the role of a host restriction factor, providing 'intrinsic herd immunity', whereas Vpu has evolved in HIV-1M as a tetherin antagonist.ja
dc.format.mimetypeapplication/pdfja
dc.language.isoengja
dc.publisherNature Publishing Groupja
dc.rightsThis work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ja
dc.titlePandemic HIV-1 Vpu overcomes intrinsic herd immunity mediated by tetherinja
dc.type.niitypeJournal Articleja
dc.identifier.jtitleScientific Reportsja
dc.identifier.volume5ja
dc.relation.doi10.1038/srep12256ja
dc.textversionpublisherja
dc.identifier.artnum12256ja
dc.identifier.pmid26184634ja
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