| Widespread horizontal transfer of mitochondrial genes in flowering plants U Bergthorsson, KL Adams, B Thomason, JD Palmer Nature 424 (6945), 197-201, 2003 | 558 | 2003 |
| Ohno's dilemma: evolution of new genes under continuous selection U Bergthorsson, DI Andersson, JR Roth Proceedings of the National Academy of Sciences 104 (43), 17004-17009, 2007 | 453 | 2007 |
| Distribution of chromosome length variation in natural isolates of Escherichia coli. U Bergthorsson, H Ochman Molecular biology and evolution 15 (1), 6-16, 1998 | 300 | 1998 |
| Massive horizontal transfer of mitochondrial genes from diverse land plant donors to the basal angiosperm Amborella U Bergthorsson, AO Richardson, GJ Young, LR Goertzen, JD Palmer Proceedings of the National Academy of Sciences 101 (51), 17747-17752, 2004 | 286 | 2004 |
| Amplification–mutagenesis: evidence that “directed” adaptive mutation and general hypermutability result from growth with a selected gene amplification H Hendrickson, ES Slechta, U Bergthorsson, DI Andersson, JR Roth Proceedings of the National Academy of Sciences 99 (4), 2164-2169, 2002 | 188 | 2002 |
| Copy-number changes in evolution: rates, fitness effects and adaptive significance V Katju, U Bergthorsson Frontiers in genetics 4, 273, 2013 | 169 | 2013 |
| High spontaneous rate of gene duplication in Caenorhabditis elegans KJ Lipinski, JC Farslow, KA Fitzpatrick, M Lynch, V Katju, U Bergthorsson Current Biology 21 (4), 306-310, 2011 | 149 | 2011 |
| Heterogeneity of genome sizes among natural isolates of Escherichia coli U Bergthorsson, H Ochman Journal of bacteriology 177 (20), 5784-5789, 1995 | 144 | 1995 |
| Old trade, new tricks: insights into the spontaneous mutation process from the partnering of classical mutation accumulation experiments with high-throughput genomic approaches V Katju, U Bergthorsson Genome Biology and Evolution 11 (1), 136-165, 2019 | 125 | 2019 |
| Mitochondrial mutation rate, spectrum and heteroplasmy in Caenorhabditis elegans spontaneous mutation accumulation lines of differing population size A Konrad, O Thompson, RH Waterston, DG Moerman, PD Keightley, ... Molecular Biology and Evolution 34 (6), 1319-1334, 2017 | 76 | 2017 |
| Regulation of NAD Synthesis by the Trifunctional NadR Protein of Salmonella enterica JH Grose, U Bergthorsson, JR Roth Journal of bacteriology 187 (8), 2774-2782, 2005 | 76 | 2005 |
| Mutational and transcriptional landscape of spontaneous gene duplications and deletions in Caenorhabditis elegans A Konrad, S Flibotte, J Taylor, RH Waterston, DG Moerman, ... Proceedings of the National Academy of Sciences 115 (28), 7386-7391, 2018 | 72 | 2018 |
| Effect of chromosome location on bacterial mutation rates RE Hudson, U Bergthorsson, JR Roth, H Ochman Molecular biology and evolution 19 (1), 85-92, 2002 | 61 | 2002 |
| Fitness decline in spontaneous mutation accumulation lines of Caenorhabditis elegans with varying effective population sizes V Katju, LB Packard, L Bu, PD Keightley, U Bergthorsson Evolution 69 (1), 104-116, 2015 | 56 | 2015 |
| Formation of an F′ Plasmid by Recombination between Imperfectly Repeated Chromosomal Rep Sequences: a Closer Look at an Old Friend (F′128pro lac) E Kofoid, U Bergthorsson, ES Slechta, JR Roth Journal of bacteriology 185 (2), 660-663, 2003 | 54 | 2003 |
| Evolutionary pattern and process within the Vertigo gouldii (Mollusca: Pulmonata, Pupillidae) group of minute North American land snails JC Nekola, BF Coles, U Bergthorsson Molecular Phylogenetics and Evolution 53 (3), 1010-1024, 2009 | 53 | 2009 |
| Rapid Increase in frequency of gene copy-number variants during experimental evolution in Caenorhabditis elegans JC Farslow, KJ Lipinski, LB Packard, ML Edgley, J Taylor, S Flibotte, ... BMC genomics 16, 1-18, 2015 | 51 | 2015 |
| Transcription increases multiple spontaneous point mutations in Salmonella enterica RE Hudson, U Bergthorsson, H Ochman Nucleic Acids Research 31 (15), 4517-4522, 2003 | 47 | 2003 |
| Assimilation of Nicotinamide Mononucleotide Requires Periplasmic AphA Phosphatase in Salmonella enterica JH Grose, U Bergthorsson, Y Xu, J Sterneckert, B Khodaverdian, JR Roth Journal of bacteriology 187 (13), 4521-4530, 2005 | 46 | 2005 |
| Sex Change by Gene Conversion in a Caenorhabditis elegans fog-2 Mutant V Katju, EM LaBeau, KJ Lipinski, U Bergthorsson Genetics 180 (1), 669-672, 2008 | 38 | 2008 |
