2023
Modeling HIV-1 nuclear entry with nucleoporin-gated DNA-origami channels
Shen Q, Feng Q, Wu C, Xiong Q, Tian T, Yuan S, Shi J, Bedwell G, Yang R, Aiken C, Engelman A, Lusk C, Lin C, Xiong Y. Modeling HIV-1 nuclear entry with nucleoporin-gated DNA-origami channels. Nature Structural & Molecular Biology 2023, 30: 425-435. PMID: 36807645, PMCID: PMC10121901, DOI: 10.1038/s41594-023-00925-9.Peer-Reviewed Original ResearchConceptsNuclear pore complexHIV-1 nuclear entryNuclear entryNuclear importNPC central channelPore complexHost nucleusCapsid dockingVirus genomeAffinity gradientNup153Central channelMechanistic insightsMolecular interactionsCapsidNucleoporinsNup358Nup62GenomeNucleusVirusDockingVirus-1 infectionImportComplexes
2019
The Polar Region of the HIV-1 Envelope Protein Determines Viral Fusion and Infectivity by Stabilizing the gp120-gp41 Association
Lu W, Chen S, Yu J, Behrens R, Wiggins J, Sherer N, Liu S, Xiong Y, Xiang S, Wu L. The Polar Region of the HIV-1 Envelope Protein Determines Viral Fusion and Infectivity by Stabilizing the gp120-gp41 Association. Journal Of Virology 2019, 93: 10.1128/jvi.02128-18. PMID: 30651369, PMCID: PMC6430531, DOI: 10.1128/jvi.02128-18.Peer-Reviewed Original ResearchConceptsHIV-1 fusionHIV-1 infectivityPR mutationsHIV-1 membrane fusionViral entryHIV-1 Env precursorEnv trimersMembrane fusionHIV-1 envelope proteinHIV-1 isolatesViral fusionHIV-1 Env trimersHIV-1 EnvGp120-gp41 associationTransmembrane unitViral envelope glycoproteinsHIV-1Cell-cell fusionViral fusogenicityPolar amino acidsEnv expressionVirus bindingEnvelope glycoproteinFusion inhibitorsTarget cells
2006
Zinc chelation inhibits HIV Vif activity and liberates antiviral function of the cytidine deaminase APOBEC3G
Xiao Z, Ehrlich E, Luo K, Xiong Y, Yu X. Zinc chelation inhibits HIV Vif activity and liberates antiviral function of the cytidine deaminase APOBEC3G. The FASEB Journal 2006, 21: 217-222. PMID: 17135358, DOI: 10.1096/fj.06-6773com.Peer-Reviewed Original ResearchConceptsTetrakis (2-pyridylmethyl) ethylenediamineVif functionZinc chelationE3 ubiquitin ligaseCytidine deaminase APOBEC3GCellular antiviral proteinsLentiviral Vif proteinsAPOBEC3G degradationSubstrate receptorHIV-1 VifMembrane-permeable zinc chelatorVif actsUbiquitin ligaseProteasomal degradationNovel drug designAntiviral functionAntiviral proteinVif proteinAntiviral activityVif activityAPOBEC3GAPOBEC3 proteinsNew targetsInfectivity assaysZinc chelator