{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,2]],"date-time":"2026-04-02T17:39:25Z","timestamp":1775151565531,"version":"3.50.1"},"reference-count":60,"publisher":"American Society for Microbiology","issue":"19","license":[{"start":{"date-parts":[[2011,10,1]],"date-time":"2011-10-01T00:00:00Z","timestamp":1317427200000},"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":[[2011,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Since the demonstration that almost 80% of human immunodeficiency virus type 1 (HIV-1) infections result from the transmission of a single variant from the donor, biological features similar to those of HIV mucosal transmission have been reported for macaques inoculated with simian immunodeficiency virus (SIV). Here we describe the early diversification events and the impact of challenge doses on viral kinetics and on the number of variants transmitted in macaques infected with the chimeric simian\/human immunodeficiency virus SHIV\n            <jats:sub>sf162p4<\/jats:sub>\n            . We show that there is a correlation between the dose administered and the number of variants transmitted and that certain inoculum variants are preferentially transmitted. This could provide insight into the viral determinants of transmission and could aid in vaccine development. Challenge through the mucosal route with high doses results in the transmission of multiple variants in all the animals. Such an unrealistic scenario could underestimate potential intervention measures. We thus propose the use of molecular evolution analysis to aid in the determination of challenge doses that better mimic the transmission dynamics seen in natural HIV-1 infection.\n          <\/jats:p>","DOI":"10.1128\/jvi.05290-11","type":"journal-article","created":{"date-parts":[[2011,7,28]],"date-time":"2011-07-28T03:26:09Z","timestamp":1311823569000},"page":"10332-10345","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":13,"title":["Molecular Evolution Analysis of the Human Immunodeficiency Virus Type 1 Envelope in Simian\/Human Immunodeficiency Virus-Infected Macaques: Implications for Challenge Dose Selection"],"prefix":"10.1128","volume":"85","author":[{"given":"Mariana","family":"Varela","sequence":"first","affiliation":[{"name":"Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lisa","family":"Landskron","sequence":"additional","affiliation":[{"name":"Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rachel P. J.","family":"Lai","sequence":"additional","affiliation":[{"name":"Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Trevelyan J.","family":"McKinley","sequence":"additional","affiliation":[{"name":"Department of Veterinary Medicine, University of Cambridge, Cambridge, United Kingdom"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Willy M.","family":"Bogers","sequence":"additional","affiliation":[{"name":"Department of Virology, BPRC, Rijswijk, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ernst J.","family":"Verschoor","sequence":"additional","affiliation":[{"name":"Department of Virology, BPRC, Rijswijk, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rob","family":"Dubbes","sequence":"additional","affiliation":[{"name":"Department of Virology, BPRC, Rijswijk, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susan W.","family":"Barnett","sequence":"additional","affiliation":[{"name":"Novartis Vaccines and Diagnostics, Cambridge, Massachusetts"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Simon D. 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