{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,21]],"date-time":"2026-07-21T17:05:51Z","timestamp":1784653551041,"version":"3.55.0"},"reference-count":44,"publisher":"American Society for Microbiology","issue":"17","license":[{"start":{"date-parts":[[2011,9,1]],"date-time":"2011-09-01T00:00:00Z","timestamp":1314835200000},"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":[[2011,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            RNA viruses exist as a spectrum of mutants that is generated and maintained during replication within the host. Consensus sequencing overlooks minority genotypes present in the viral sample that may impact the population's phenotype. In-depth sequencing of an original field isolate of subtype IE Venezuelan equine encephalitis virus (VEEV) demonstrated the presence of multiple deletions within the 6,000-molecular-weight (6K) protein gene. Using\n            <jats:italic>in vitro<\/jats:italic>\n            and\n            <jats:italic>in vivo<\/jats:italic>\n            experiments, similar deletions were generated in an additional VEEV strain originating from an infectious cDNA clone. Time course experiments demonstrated that the deletions are produced during acute infection although not until 24 h postinfection. Molecular clones containing some of these deletions were generated, and although the larger deletions appear to be noninfectious, viruses with the smaller deletions were viable and formed small plaques. Serial passages provided no evidence that these deletion mutants function as defective interfering particles. Furthermore, since wild-type infections generally occur at a low multiplicity of infection, it is unlikely that these deletions are propagated in natural transmission cycles. However, they could affect pathogenesis at later stages of infection. Because they are ubiquitously generated both\n            <jats:italic>in vivo<\/jats:italic>\n            and\n            <jats:italic>in vitro<\/jats:italic>\n            , further investigation is warranted to understand the generation of these deletions and their significance for disease.\n          <\/jats:p>","DOI":"10.1128\/jvi.00165-11","type":"journal-article","created":{"date-parts":[[2011,6,30]],"date-time":"2011-06-30T02:26:26Z","timestamp":1309400786000},"page":"8709-8717","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":16,"title":["Analysis of Intrahost Variation in Venezuelan Equine Encephalitis Virus Reveals Repeated Deletions in the 6-Kilodalton Protein Gene"],"prefix":"10.1128","volume":"85","author":[{"given":"N. 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