| pubmed-article:11287562 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:11287562 | lifeskim:mentions | umls-concept:C0079679 | lld:lifeskim |
| pubmed-article:11287562 | lifeskim:mentions | umls-concept:C0206465 | lld:lifeskim |
| pubmed-article:11287562 | lifeskim:mentions | umls-concept:C0206037 | lld:lifeskim |
| pubmed-article:11287562 | lifeskim:mentions | umls-concept:C1511625 | lld:lifeskim |
| pubmed-article:11287562 | lifeskim:mentions | umls-concept:C0042711 | lld:lifeskim |
| pubmed-article:11287562 | lifeskim:mentions | umls-concept:C0162326 | lld:lifeskim |
| pubmed-article:11287562 | lifeskim:mentions | umls-concept:C0243126 | lld:lifeskim |
| pubmed-article:11287562 | lifeskim:mentions | umls-concept:C0442335 | lld:lifeskim |
| pubmed-article:11287562 | pubmed:issue | 9 | lld:pubmed |
| pubmed-article:11287562 | pubmed:dateCreated | 2001-4-5 | lld:pubmed |
| pubmed-article:11287562 | pubmed:abstractText | Pseudotyping retrovirus and lentivirus vectors with different viral fusion proteins is a useful strategy to alter the host range of the vectors. Although lentivirus vectors are efficiently pseudotyped by Env proteins from several different subtypes of murine leukemia virus (MuLV), the related protein from gibbon ape leukemia virus (GaLV) does not form functional pseudotypes. We have determined that this arises because of an inability of GaLV Env to be incorporated into lentivirus vector particles. By exploiting the homology between the GaLV and MuLV Env proteins, we have mapped the determinants of incompatibility in the GaLV Env. Three modifications that allowed GaLV Env to pseudotype human immunodeficiency virus type 1 particles were identified: removal of the R peptide (C-terminal half of the cytoplasmic domain), replacement of the whole cytoplasmic tail with the corresponding MuLV region, and mutation of two residues upstream of the R peptide cleavage site. In addition, we have previously proposed that removal of the R peptide from MuLV Env proteins enhances their fusogenicity by transmitting a conformational change to the ectodomain of the protein (Y. Zhao et al., J. Virol. 72:5392-5398, 1998). Our analysis of chimeric MuLV/GaLV Env proteins provides further evidence in support of this model and suggests that proper Env function involves both interactions within the cytoplasmic tail and more long-range interactions between the cytoplasmic tail, the membrane-spanning region, and the ectodomain of the protein. | lld:pubmed |
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| pubmed-article:11287562 | pubmed:language | eng | lld:pubmed |
| pubmed-article:11287562 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:11287562 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:11287562 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:11287562 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:11287562 | pubmed:month | May | lld:pubmed |
| pubmed-article:11287562 | pubmed:issn | 0022-538X | lld:pubmed |
| pubmed-article:11287562 | pubmed:author | pubmed-author:CannonP MPM | lld:pubmed |
| pubmed-article:11287562 | pubmed:author | pubmed-author:Christodoulop... | lld:pubmed |
| pubmed-article:11287562 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:11287562 | pubmed:volume | 75 | lld:pubmed |
| pubmed-article:11287562 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:11287562 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:11287562 | pubmed:pagination | 4129-38 | lld:pubmed |
| pubmed-article:11287562 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
| pubmed-article:11287562 | pubmed:meshHeading | pubmed-meshheading:11287562... | lld:pubmed |
| pubmed-article:11287562 | pubmed:meshHeading | pubmed-meshheading:11287562... | lld:pubmed |
| pubmed-article:11287562 | pubmed:meshHeading | pubmed-meshheading:11287562... | lld:pubmed |
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| pubmed-article:11287562 | pubmed:meshHeading | pubmed-meshheading:11287562... | lld:pubmed |
