{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,7]],"date-time":"2026-03-07T03:19:48Z","timestamp":1772853588184,"version":"3.50.1"},"reference-count":47,"publisher":"American Society for Microbiology","issue":"21","license":[{"start":{"date-parts":[[2020,10,14]],"date-time":"2020-10-14T00:00:00Z","timestamp":1602633600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/100000002","name":"HHS | National Institutes of Health","doi-asserted-by":"publisher","award":["T32OD012201"],"award-info":[{"award-number":["T32OD012201"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000002","name":"HHS | National Institutes of Health","doi-asserted-by":"publisher","award":["F30OD023386"],"award-info":[{"award-number":["F30OD023386"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Virol"],"published-print":{"date-parts":[[2020,10,14]]},"abstract":"<jats:p>\n                    Feline leukemia virus (FeLV) can infect a variety of felid species. Only the primary domestic cat host and related small cat species harbor a related endogenous virus in their genomes. Previous studies noted a negative association between the endogenous virus copy number and exogenous virus infection in domestic cats. This report shows that puma cells, which lack endogenous FeLV, produce more virus more rapidly than domestic cat fibroblasts following cell culture challenge. We document a strong association between domestic cat cell susceptibility and FeLV long terminal repeat (LTR) copy number, similar to observations in natural FeLV infections. Viral replication does not, however, correlate with FeLV\n                    <jats:italic>env<\/jats:italic>\n                    copy number, suggesting that this effect is specific to FeLV-LTR elements. This discovery indicates a protective capacity of the endogenous virus against the exogenous form, either via direct interference or indirectly via gene regulation, and may suggest evolutionary outcomes of retroviral endogenization.\n                  <\/jats:p>","DOI":"10.1128\/jvi.01274-20","type":"journal-article","created":{"date-parts":[[2020,8,14]],"date-time":"2020-08-14T09:43:52Z","timestamp":1597398232000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":15,"title":["Presence of Endogenous Viral Elements Negatively Correlates with Feline Leukemia Virus Susceptibility in Puma and Domestic Cat Cells"],"prefix":"10.1128","volume":"94","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7734-9305","authenticated-orcid":false,"given":"Elliott S.","family":"Chiu","sequence":"first","affiliation":[{"name":"Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sue","family":"VandeWoude","sequence":"additional","affiliation":[{"name":"Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, Colorado, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pgen.1001191"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1038\/35057062"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/s0959-437x(00)00138-6"},{"key":"e_1_3_2_5_2","first-page":"264","article-title":"Evolution of retroviruses: fossils in our DNA","volume":"148","author":"Coffin JM","year":"2004","unstructured":"Coffin JM. 2004. 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