{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T15:42:18Z","timestamp":1772811738379,"version":"3.50.1"},"reference-count":47,"publisher":"American Society for Microbiology","issue":"12","license":[{"start":{"date-parts":[[2009,6,15]],"date-time":"2009-06-15T00:00:00Z","timestamp":1245024000000},"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":["J Virol"],"published-print":{"date-parts":[[2009,6,15]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Modified vaccinia virus Ankara (MVA) is a highly attenuated and replication-deficient vaccinia virus (VACV) that is being evaluated as replacement smallpox vaccine and candidate viral vector. MVA lacks many genes associated with virulence and\/or regulation of virus tropism. The 68-kDa ankyrin-like protein (68k-ank) is the only ankyrin repeat-containing protein that is encoded by the MVA genome and is highly conserved throughout the\n            <jats:italic>Orthopoxvirus<\/jats:italic>\n            genus. We showed previously that 68k-ank is composed of ankyrin repeats and an F-box-like domain and forms an SCF ubiquitin ligase complex together with the cellular proteins Skp1a and Cullin-1. We now report that 68k-ank (MVA open reading frame 186R) is an essential factor for completion of the MVA intracellular life cycle in nonpermissive human and murine cells. Infection of mouse NIH 3T3 and human HaCaT cells with MVA with a deletion of the 68k-ank gene (MVA-\u039468k-ank) was characterized by an extensive reduction of viral intermediate RNA and protein, as well as late transcripts and drastically impaired late protein synthesis. Furthermore, infections with MVA-\u039468k-ank failed to induce the host protein shutoff that is characteristic of VACV infections. Although we demonstrated that proteasome function in general is essential for the completion of the MVA molecular life cycle, we found that a mutant 68k-ank protein with a deletion of the F-box-like domain was able to fully complement the deficiency of MVA-\u039468k-ank to express all classes of viral genes. Thus, our data demonstrate that the 68k-ank protein contains another critical domain that may function independently of SCF ubiquitin ligase complex formation, suggesting multiple activities of this interesting regulatory protein.\n          <\/jats:p>","DOI":"10.1128\/jvi.01628-08","type":"journal-article","created":{"date-parts":[[2009,4,9]],"date-time":"2009-04-09T00:54:28Z","timestamp":1239238468000},"page":"6029-6038","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":21,"title":["The Orthopoxvirus 68-Kilodalton Ankyrin-Like Protein Is Essential for DNA Replication and Complete Gene Expression of Modified Vaccinia Virus Ankara in Nonpermissive Human and Murine Cells"],"prefix":"10.1128","volume":"83","author":[{"given":"Karin M.","family":"Sperling","sequence":"first","affiliation":[{"name":"Paul-Ehrlich-Institut, Division of Virology, Paul-Ehrlich-Strasse 51-59, 63225 Langen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Astrid","family":"Schwantes","sequence":"additional","affiliation":[{"name":"Paul-Ehrlich-Institut, Division of Virology, Paul-Ehrlich-Strasse 51-59, 63225 Langen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Caroline","family":"Staib","sequence":"additional","affiliation":[{"name":"Institute of Virology, Technische Universita\u0308t Mu\u0308nchen, 81675 Munich, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Barbara S.","family":"Schnierle","sequence":"additional","affiliation":[{"name":"Paul-Ehrlich-Institut, Division of Virology, Paul-Ehrlich-Strasse 51-59, 63225 Langen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gerd","family":"Sutter","sequence":"additional","affiliation":[{"name":"Paul-Ehrlich-Institut, Division of Virology, Paul-Ehrlich-Strasse 51-59, 63225 Langen, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1006\/viro.1998.9123"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/0042-6822(81)90606-1"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1128\/jvi.28.3.905-916.1978"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1083\/jcb.106.3.761"},{"key":"e_1_3_2_6_2","first-page":"657","volume":"39","year":"1993","unstructured":"Cacoullos, N., and R. 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