2023
Accelerated SARS-CoV-2 intrahost evolution leading to distinct genotypes during chronic infection
Chaguza C, Hahn A, Petrone M, Zhou S, Ferguson D, Breban M, Pham K, Peña-Hernández M, Castaldi C, Hill V, Initiative Y, Billig K, Earnest R, Fauver J, Kalinch C, Kerantzas N, Koch T, De Kumar B, Landry M, Ott I, Peaper D, Tikhonova I, Vogels C, Schulz W, Swanstrom R, Roberts S, Grubaugh N. Accelerated SARS-CoV-2 intrahost evolution leading to distinct genotypes during chronic infection. Cell Reports Medicine 2023, 4: 100943. PMID: 36791724, PMCID: PMC9906997, DOI: 10.1016/j.xcrm.2023.100943.Peer-Reviewed Original ResearchConceptsChronic infectionEvolutionary ratesGenetic diversityIntrahost evolutionDistinct genotypesHigher viral genome copiesVirus evolutionary ratesSARS-CoV-2 evolutionUntreated chronic infectionAdvantageous mutationsNucleotide substitutionsViral genome copiesDivergent variantsInfection hypothesisVariant emergenceViral populationsInfectious virusInfectionHallmark changesGenome copiesDifferent genotypesDiversityGenotypesTemporal dynamicsEvolution
2015
Gut Symbionts from Distinct Hosts Exhibit Genotoxic Activity via Divergent Colibactin Biosynthesis Pathways
Engel P, Vizcaino MI, Crawford JM. Gut Symbionts from Distinct Hosts Exhibit Genotoxic Activity via Divergent Colibactin Biosynthesis Pathways. Applied And Environmental Microbiology 2015, 81: 1502-1512. PMID: 25527542, PMCID: PMC4309719, DOI: 10.1128/aem.03283-14.Peer-Reviewed Original ResearchConceptsNonribosomal peptide synthetaseBiosynthetic pathwayBacterial symbiontsGut symbiontsSecondary metabolitesEukaryotic cellsGenomic islandsBacterial gut symbiontDiverse symbiotic associationsDivergent variantsDNA damagePolyketide synthase pathwayE. coliComparative metabolomic analysisRelated secondary metabolitesPathway-dependent mannerSymbiotic associationGene clusterMicrobial interactionsBiosynthesis pathwayDistinct hostsPeptide synthetaseMammalian gutHoney beesSymbionts
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