{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T20:02:32Z","timestamp":1792440152641,"version":"4.5.0"},"reference-count":63,"publisher":"American Society for Microbiology","issue":"6","license":[{"start":{"date-parts":[[2014,12,16]],"date-time":"2014-12-16T00:00:00Z","timestamp":1418688000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/"},{"start":{"date-parts":[[2014,12,31]],"date-time":"2014-12-31T00:00:00Z","timestamp":1419984000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["mBio"],"published-print":{"date-parts":[[2014,12,31]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>The seven human sirtuins are a family of ubiquitously expressed and evolutionarily conserved NAD<jats:sup>+<\/jats:sup>-dependent deacylases\/mono-ADP ribosyltransferases that regulate numerous cellular and organismal functions, including metabolism, cell cycle, and longevity. Here, we report the discovery that all seven sirtuins have broad-range antiviral properties. We demonstrate that small interfering RNA (siRNA)-mediated knockdown of individual sirtuins and drug-mediated inhibition of sirtuin enzymatic activity increase the production of virus progeny in infected human cells. This impact on virus growth is observed for both DNA and RNA viruses. Importantly, sirtuin-activating drugs inhibit the replication of diverse viruses, as we demonstrate for human cytomegalovirus, a slowly replicating DNA virus, and influenza A (H1N1) virus, an RNA virus that multiplies rapidly. Furthermore, sirtuin defense functions are evolutionarily conserved, since CobB, the sirtuin homologue in<jats:named-content content-type=\"genus-species\">Escherichia coli<\/jats:named-content>, protects against bacteriophages. Altogether, our findings establish sirtuins as broad-spectrum and evolutionarily conserved components of the immune defense system, providing a framework for elucidating a new set of host cell defense mechanisms and developing sirtuin modulators with antiviral activity.<\/jats:p><jats:p><jats:bold>IMPORTANCE<\/jats:bold>We live in a sea of viruses, some of which are human pathogens. These pathogenic viruses exhibit numerous differences: DNA or RNA genomes, enveloped or naked virions, nuclear or cytoplasmic replication, diverse disease symptoms, etc. Most antiviral drugs target specific viral proteins. Consequently, they often work for only one virus, and their efficacy can be compromised by the rapid evolution of resistant variants. There is a need for the identification of host proteins with broad-spectrum antiviral functions, which provide effective targets for therapeutic treatments that limit the evolution of viral resistance. Here, we report that sirtuins present such an opportunity for the development of broad-spectrum antiviral treatments, since our findings highlight these enzymes as ancient defense factors that protect against a variety of viral pathogens.<\/jats:p>","DOI":"10.1128\/mbio.02249-14","type":"journal-article","created":{"date-parts":[[2014,12,17]],"date-time":"2014-12-17T02:36:03Z","timestamp":1418783763000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":137,"title":["Sirtuins Are Evolutionarily Conserved Viral Restriction Factors"],"prefix":"10.1128","volume":"5","author":[{"given":"Emre","family":"Koyuncu","sequence":"first","affiliation":[{"name":"Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA"},{"name":"Forge Life Science, Doylestown, Pennsylvania, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hanna G.","family":"Budayeva","sequence":"additional","affiliation":[{"name":"Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yana V.","family":"Miteva","sequence":"additional","affiliation":[{"name":"Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dante P.","family":"Ricci","sequence":"additional","affiliation":[{"name":"Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas J.","family":"Silhavy","sequence":"additional","affiliation":[{"name":"Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Shenk","sequence":"additional","affiliation":[{"name":"Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ileana M.","family":"Cristea","sequence":"additional","affiliation":[{"name":"Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1091\/mbc.E05-01-0033"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1042\/BJ20070420"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.gde.2014.05.005"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.pathol.4.110807.092250"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1074\/mcp.M113.031377"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.1128\/MCB.01636-07"},{"key":"e_1_3_3_8_2","doi-asserted-by":"publisher","DOI":"10.1038\/ncomms3327"},{"key":"e_1_3_3_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cell.2006.06.057"},{"key":"e_1_3_3_10_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1202723"},{"key":"e_1_3_3_11_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.1207861"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1074\/mcp.M111.012658"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature12038"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pbio.0030041"},{"key":"e_1_3_3_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.chom.2008.02.002"},{"key":"e_1_3_3_16_2","doi-asserted-by":"publisher","DOI":"10.1038\/cdd.2010.77"},{"key":"e_1_3_3_17_2","doi-asserted-by":"publisher","DOI":"10.1128\/JVI.00219-14"},{"key":"e_1_3_3_18_2","first-page":"417","article-title":"Manifestations of human cytomegalovirus infection: proposed mechanisms of acute and chronic disease","volume":"325","author":"Britt W","year":"2008","unstructured":"BrittW . 2008. 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