2022
De novo emergence of a remdesivir resistance mutation during treatment of persistent SARS-CoV-2 infection in an immunocompromised patient: a case report
Gandhi S, Klein J, Robertson AJ, Peña-Hernández MA, Lin MJ, Roychoudhury P, Lu P, Fournier J, Ferguson D, Mohamed Bakhash SAK, Catherine Muenker M, Srivathsan A, Wunder EA, Kerantzas N, Wang W, Lindenbach B, Pyle A, Wilen CB, Ogbuagu O, Greninger AL, Iwasaki A, Schulz WL, Ko AI. De novo emergence of a remdesivir resistance mutation during treatment of persistent SARS-CoV-2 infection in an immunocompromised patient: a case report. Nature Communications 2022, 13: 1547. PMID: 35301314, PMCID: PMC8930970, DOI: 10.1038/s41467-022-29104-y.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionVirologic responsePersistent SARS-CoV-2 infectionResistance mutationsPre-treatment specimensB-cell deficiencyRemdesivir resistanceRemdesivir therapyViral sheddingCase reportAntiviral agentsPatientsCombinatorial therapyInfectionTherapyWhole-genome sequencingTreatmentImportance of monitoringDe novo emergenceFold increaseRNA-dependent RNA polymeraseNovo emergencePotential benefitsMutationsIndolent
2013
Hepatitis C Virus RNA Replication and Virus Particle Assembly Require Specific Dimerization of the NS4A Protein Transmembrane Domain
Kohlway A, Pirakitikulr N, Barrera FN, Potapova O, Engelman DM, Pyle AM, Lindenbach BD. Hepatitis C Virus RNA Replication and Virus Particle Assembly Require Specific Dimerization of the NS4A Protein Transmembrane Domain. Journal Of Virology 2013, 88: 628-642. PMID: 24173222, PMCID: PMC3911751, DOI: 10.1128/jvi.02052-13.Peer-Reviewed Original ResearchConceptsTM domainVirus particle assemblyRNA replicationTransmembrane protein essentialProtein transmembrane domainProtein-protein interactionsProtein interaction systemForward geneticsVirus RNA replicationParticle assemblySpecific dimerizationTransmembrane domainHuman blood group antigensProtein essentialTM helicesMutational effectsHomotypic interactionsDimer interfacePotential dimerizationTM interactionsVirus assemblyNonstructural proteinsDimeric interactionsHepatitis C Virus RNA ReplicationMutations
2009
Hepatitis C Virus NS2 Protein Contributes to Virus Particle Assembly via Opposing Epistatic Interactions with the E1-E2 Glycoprotein and NS3-NS4A Enzyme Complexes
Phan T, Beran RK, Peters C, Lorenz IC, Lindenbach BD. Hepatitis C Virus NS2 Protein Contributes to Virus Particle Assembly via Opposing Epistatic Interactions with the E1-E2 Glycoprotein and NS3-NS4A Enzyme Complexes. Journal Of Virology 2009, 83: 8379-8395. PMID: 19515772, PMCID: PMC2738163, DOI: 10.1128/jvi.00891-09.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAmino Acid SubstitutionCarrier ProteinsHepacivirusHumansIntracellular Signaling Peptides and ProteinsModels, MolecularMolecular Sequence DataMutation, MissenseProtein BindingProtein Interaction MappingSuppression, GeneticViral Envelope ProteinsViral Nonstructural ProteinsViral ProteinsVirus AssemblyConceptsHepatitis C Virus NS2 ProteinVirus particle assemblyNS2 proteinVirus assemblyReverse genetic analysisForward genetic selectionSecond-site mutationsNS2 mutantsSuppressor mutationsRNA bindingEpistatic interactionsBiochemical experimentsGenetic analysisEnzyme complexSevere defectsNonstructural proteinsGenetic selectionParticle assemblyRNA replicationCell culture systemMutationsNS3-NS4AProteinMutantsMutual exclusivity
1999
Genetic Interaction of Flavivirus Nonstructural Proteins NS1 and NS4A as a Determinant of Replicase Function
Lindenbach B, Rice C. Genetic Interaction of Flavivirus Nonstructural Proteins NS1 and NS4A as a Determinant of Replicase Function. Journal Of Virology 1999, 73: 4611-4621. PMID: 10233920, PMCID: PMC112502, DOI: 10.1128/jvi.73.6.4611-4621.1999.Peer-Reviewed Original ResearchConceptsNonstructural protein 1Genetic interactionsRNA replicationViral RNA replicationGenetic screenSuppressor mutantsExtracytoplasmic compartmentsReplicase functionCytoplasmic complexDeletion mutantsReplicase componentsSingle mutationYellow fever virusProtein 1Additional mutationsNS1 geneRelated virusesInfected cellsIndependent selectionNS4A genesMutantsMutationsGenesReplicationDengue virus