{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T13:16:44Z","timestamp":1753881404528,"version":"3.41.2"},"reference-count":73,"publisher":"American Society for Microbiology","issue":"3","license":[{"start":{"date-parts":[[2024,3,19]],"date-time":"2024-03-19T00:00:00Z","timestamp":1710806400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,3,19]],"date-time":"2024-03-19T00:00:00Z","timestamp":1710806400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/100010269","name":"Wellcome Trust","doi-asserted-by":"crossref","award":["090315"],"award-info":[{"award-number":["090315"]}],"id":[{"id":"10.13039\/100010269","id-type":"DOI","asserted-by":"crossref"}]},{"name":"UKRI | Medical Research Council","award":["MR\/W025590\/1"],"award-info":[{"award-number":["MR\/W025590\/1"]}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Virol"],"published-print":{"date-parts":[[2024,3,19]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:sec>\n            <jats:title\/>\n            <jats:p>Vaccinia virus (VACV) is a large DNA virus that encodes scores of proteins that modulate the host immune response. VACV protein C4 is one such immunomodulator known to inhibit the activation of both the NF-\u03baB signaling cascade and the DNA-PK-mediated DNA sensing pathway. Here, we show that the N-terminal region of C4, which neither inhibits NF-\u03baB nor mediates interaction with DNA-PK, still contributes to virus virulence. Furthermore, this domain interacts directly and with high affinity to the C-terminal domain of filamin B (FLNB). FLNB is a large actin-binding protein that stabilizes the F-actin network and is implicated in other cellular processes. Deletion of FLNB from cells results in larger VACV plaques and increased infectious viral yield, indicating that FLNB restricts VACV spread. These data demonstrate that C4 has a new function that contributes to virulence and engages the cytoskeleton. Furthermore, we show that the cytoskeleton performs further previously uncharacterized functions during VACV infection.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>IMPORTANCE<\/jats:title>\n            <jats:p>Vaccinia virus (VACV), the vaccine against smallpox and monkeypox, encodes many proteins to counteract the host immune response. Investigating these proteins provides insights into viral immune evasion mechanisms and thereby indicates how to engineer safer and more immunogenic VACV-based vaccines. Here, we report that the N-terminal domain of VACV protein C4 interacts directly with the cytoskeletal protein filamin B (FLNB), and this domain of C4 contributes to virus virulence. Furthermore, VACV replicates and spreads better in cells lacking FLNB, thus demonstrating that FLNB has antiviral activity. VACV utilizes the cytoskeleton for movement within and between cells; however, previous studies show no involvement of C4 in VACV replication or spread. Thus, C4 associates with FLNB for a different reason, suggesting that the cytoskeleton has further uncharacterized roles during virus infection.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1128\/jvi.01485-23","type":"journal-article","created":{"date-parts":[[2024,2,27]],"date-time":"2024-02-27T17:08:12Z","timestamp":1709053692000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":0,"title":["Filamin B restricts vaccinia virus spread and is targeted by vaccinia virus protein C4"],"prefix":"10.1128","volume":"98","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8976-1177","authenticated-orcid":false,"given":"Iliana","family":"Georgana","sequence":"first","affiliation":[{"name":"Department of Pathology, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Simon R.","family":"Scutts","sequence":"additional","affiliation":[{"name":"Department of Pathology, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chen","family":"Gao","sequence":"additional","affiliation":[{"name":"Department of Pathology, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yongxu","family":"Lu","sequence":"additional","affiliation":[{"name":"Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alice A.","family":"Torres","sequence":"additional","affiliation":[{"name":"Department of Pathology, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hongwei","family":"Ren","sequence":"additional","affiliation":[{"name":"Department of Pathology, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Edward","family":"Emmott","sequence":"additional","affiliation":[{"name":"Department of Pathology, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinghao","family":"Men","sequence":"additional","affiliation":[{"name":"Department of Pathology, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Keefe","family":"Oei","sequence":"additional","affiliation":[{"name":"Department of Pathology, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3730-9955","authenticated-orcid":false,"given":"Geoffrey L.","family":"Smith","sequence":"additional","affiliation":[{"name":"Department of Pathology, University of Cambridge, Cambridge, United Kingdom"},{"name":"Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_5_2_2","first-page":"573","volume-title":"Fields virology: DNA viruses","author":"Moss B","year":"2021","unstructured":"Moss B, Smith GL. 2021. 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