2019
Endless Forms: Within-Host Variation in the Structure of the West Nile Virus RNA Genome during Serial Passage in Bird Hosts
Scroggs SLP, Grubaugh ND, Sena JA, Sundararajan A, Schilkey FD, Smith DR, Ebel GD, Hanley KA. Endless Forms: Within-Host Variation in the Structure of the West Nile Virus RNA Genome during Serial Passage in Bird Hosts. MSphere 2019, 4: 10.1128/msphere.00291-19. PMID: 31243074, PMCID: PMC6595145, DOI: 10.1128/msphere.00291-19.Peer-Reviewed Original ResearchConceptsUntranslated regionSecondary structureBird speciesRNA genomeGenome cyclizationRNA virusesHost variationPrimary genomic sequenceWest Nile virusPrimary genome sequenceDS regionStructural diversityIntrahost genetic diversityVirus phenotypeComplex secondary structureVirus RNA genomeRNA secondary structureSerial passageSmall RNAsGenetic diversityNile virusGenome sequenceMutant lineagesGenomic sequencesNext-generation sequencing
2017
Mosquitoes Transmit Unique West Nile Virus Populations during Each Feeding Episode
Grubaugh ND, Fauver JR, Rückert C, Weger-Lucarelli J, Garcia-Luna S, Murrieta RA, Gendernalik A, Smith DR, Brackney DE, Ebel GD. Mosquitoes Transmit Unique West Nile Virus Populations during Each Feeding Episode. Cell Reports 2017, 19: 709-718. PMID: 28445723, PMCID: PMC5465957, DOI: 10.1016/j.celrep.2017.03.076.Peer-Reviewed Original ResearchConceptsGenetic diversityNovel virus variantsWNV genetic diversityMost genetic diversityComplex evolutionary forcesVirus populationsEvolutionary forcesWest Nile virusGenetic driftInfection phenotypesWNV variantsIndividual mosquitoesIntrahost variantsVirus variantsTransmission cyclePopulation levelMosquitoesDiversityContinuous threatNile virusVariantsArthropodsChikungunya virusVirusLarge epidemics
2015
Experimental Evolution of an RNA Virus in Wild Birds: Evidence for Host-Dependent Impacts on Population Structure and Competitive Fitness
Grubaugh ND, Smith DR, Brackney DE, Bosco-Lauth AM, Fauver JR, Campbell CL, Felix TA, Romo H, Duggal NK, Dietrich EA, Eike T, Beane JE, Bowen RA, Black WC, Brault AC, Ebel GD. Experimental Evolution of an RNA Virus in Wild Birds: Evidence for Host-Dependent Impacts on Population Structure and Competitive Fitness. PLOS Pathogens 2015, 11: e1004874. PMID: 25993022, PMCID: PMC4439088, DOI: 10.1371/journal.ppat.1004874.Peer-Reviewed Original ResearchConceptsRNA virus populationsWNV populationsBird speciesRNA virusesNatural selectionFitness gainsVirus populationsStrength of selectionWest Nile virusSpecies-specific mannerDistinct phenotypic consequencesAverage mutation frequencyExperimental evolutionMutational toleranceError-prone replicationCompetitive fitnessPopulation structureNext-generation sequencingPhenotypic consequencesGenetic compositionWild birdsSelective pressureSequencing dataDefective genomesDifferent hosts