{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T12:12:00Z","timestamp":1790770320885,"version":"4.1.0"},"reference-count":50,"publisher":"American Society for Microbiology","issue":"7","license":[{"start":{"date-parts":[[2024,7,23]],"date-time":"2024-07-23T00:00:00Z","timestamp":1721692800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1128\/ASMCopyrightv2"},{"start":{"date-parts":[[2024,7,23]],"date-time":"2024-07-23T00:00:00Z","timestamp":1721692800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","award":["JP23jm0110019"],"award-info":[{"award-number":["JP23jm0110019"]}],"id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","award":["JP23wm0125008"],"award-info":[{"award-number":["JP23wm0125008"]}],"id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100009619","name":"Japan Agency for Medical Research and Development","doi-asserted-by":"publisher","award":["JP23fk0108624"],"award-info":[{"award-number":["JP23fk0108624"]}],"id":[{"id":"10.13039\/100009619","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Virol"],"published-print":{"date-parts":[[2024,7,23]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:sec>\n            <jats:title\/>\n            <jats:p>Tibroviruses are novel rhabdoviruses detected in humans, cattle, and arthropods. Four tibroviruses are known to infect humans: Bas-Congo virus (BASV), Ekpoma virus 1 (EKV-1), Ekpoma virus 2, and Mundri virus. However, since none of them has been isolated, their biological properties are largely unknown. We aimed to characterize the human tibrovirus glycoprotein (G), which likely plays a pivotal role in viral tropism and pathogenicity. Human tibrovirus Gs were found to share some primary structures and display 14 conserved cysteine residues, although their overall amino acid homology was low (29%\u201348%). Multiple potential glycosylation sites were found on the G molecules, and endoglycosidase H- and peptide-N-glycosidase F-sensitive glycosylation was confirmed. AlphaFold-predicted three-dimensional (3D) structures of human tibrovirus Gs were overall similar. Membrane fusion mediated by these tibrovirus Gs was induced by acidic pH. The low pH-induced conformational change that triggers fusion was reversible. Virus-like particles (VLPs) were produced by transient expression of Gs in cultured cells and used to produce mouse antisera. Using vesicular stomatitis Indiana virus pseudotyped with Gs, we found that the antisera to the respective tibrovirus VLPs showed limited cross-neutralizing activity. It was also found that human C-type lectins and T-cell immunoglobulin mucin 1 acted as attachment factors for G-mediated entry into cells. Interestingly, BASV-G showed the highest ability to utilize these molecules. The viruses infected a wide range of cell lines with preferential tropism for human-derived cells whereas the preference of EKV-1 was unique compared with the other human tibroviruses. These findings provide fundamental information to understand the biological properties of the human tibroviruses.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>IMPORTANCE<\/jats:title>\n            <jats:p>Human tibroviruses are poorly characterized emerging rhabdoviruses associated with either asymptomatic infection or severe disease with a case fatality rate as high as 60% in humans. However, the extent and burden of human infection as well as factors behind differences in infection outcomes are largely unknown. In this study, we characterized human tibrovirus glycoproteins, which play a key role in virus-host interactions, mainly focusing on their structural and antigenic differences and cellular tropism. Our results provide critical information for understanding the biological properties of these novel viruses and for developing appropriate preparedness interventions such as diagnostic tools, vaccines, and effective therapies.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1128\/jvi.00499-24","type":"journal-article","created":{"date-parts":[[2024,7,2]],"date-time":"2024-07-02T13:01:49Z","timestamp":1719925309000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":3,"title":["Characterization of human tibrovirus envelope glycoproteins"],"prefix":"10.1128","volume":"98","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8303-318X","authenticated-orcid":false,"given":"Yannick","family":"Munyeku-Bazitama","sequence":"first","affiliation":[{"name":"Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan"},{"name":"Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of Congo"},{"name":"D\u00e9partement de Biologie M\u00e9dicale, Facult\u00e9 de M\u00e9decine, Universit\u00e9 de Kinshasa, Kinshasa, Democratic Republic of Congo"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takeshi","family":"Saito","sequence":"additional","affiliation":[{"name":"Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takanari","family":"Hattori","sequence":"additional","affiliation":[{"name":"Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroko","family":"Miyamoto","sequence":"additional","affiliation":[{"name":"Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo, 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Infectious Diseases, Tokyo, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shigeru","family":"Morikawa","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Faculty of Veterinary Medicine, Okayama University of Science, Ehime, Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sheila","family":"Makiala-Mandanda","sequence":"additional","affiliation":[{"name":"Institut National de Recherche Biom\u00e9dicale, Kinshasa, Democratic Republic of Congo"},{"name":"D\u00e9partement de Biologie M\u00e9dicale, Facult\u00e9 de M\u00e9decine, Universit\u00e9 de Kinshasa, Kinshasa, Democratic Republic of Congo"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2464-6642","authenticated-orcid":false,"given":"Ayato","family":"Takada","sequence":"additional","affiliation":[{"name":"Division of Global Epidemiology, International Institute for Zoonosis Control, Hokkaido University, Sapporo, 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