2024
Epistatic pathways can drive HIV-1 escape from integrase strand transfer inhibitors
Hikichi Y, Grover J, Schäfer A, Mothes W, Freed E. Epistatic pathways can drive HIV-1 escape from integrase strand transfer inhibitors. Science Advances 2024, 10: eadn0042. PMID: 38427738, PMCID: PMC10906922, DOI: 10.1126/sciadv.adn0042.Peer-Reviewed Original ResearchConceptsIntegrase strand transfer inhibitorsClasses of antiretroviralsHuman immunodeficiency virusStrand transfer inhibitorsHIV-1Env mutationsTransfer inhibitorsIntegrase strand transfer inhibitor dolutegravirHIV-1 escapeResistance to dolutegravirResistance to antiretroviralsAbsence of resistance mutationsClasses of drugsCell-cell transferVirological failureImmunodeficiency virusResistance mutationsGene mutationsEnvelope glycoproteinAntiretroviralsEnvResistance mechanismsDolutegravirMutationsIntegrase
2019
Associating HIV-1 envelope glycoprotein structures with states on the virus observed by smFRET
Lu M, Ma X, Castillo-Menendez LR, Gorman J, Alsahafi N, Ermel U, Terry DS, Chambers M, Peng D, Zhang B, Zhou T, Reichard N, Wang K, Grover JR, Carman BP, Gardner MR, Nikić-Spiegel I, Sugawara A, Arthos J, Lemke EA, Smith AB, Farzan M, Abrams C, Munro JB, McDermott AB, Finzi A, Kwong PD, Blanchard SC, Sodroski JG, Mothes W. Associating HIV-1 envelope glycoprotein structures with states on the virus observed by smFRET. Nature 2019, 568: 415-419. PMID: 30971821, PMCID: PMC6655592, DOI: 10.1038/s41586-019-1101-y.Peer-Reviewed Original ResearchConceptsSingle-molecule fluorescence resonance energy transferCryo-electron microscopy studiesHigh-resolution structuresFluorescence resonance energy transferState 1 conformationProline substitutionConformational statesResonance energy transferDisulfide bondsCell entryIntermediate conformationsReceptor moleculesGlycoprotein structureStructural studiesIntact virionsViral EnvCD4 receptor moleculeIntact virusConformationState 2TrimerState 1