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Proceedings of the National Academy of Sciences of the United States of America|October 19, 2007
Ohno's dilemma: evolution of new genes under continuous selectionUlfar Bergthorsson, Dan I Andersson, John R RothProceedings of the National Academy of Sciences of the United States of America|February 7, 2002
Amplification-mutagenesis: evidence that "directed" adaptive mutation and general hypermutability result from growth with a selected gene amplificationHeather Hendrickson, E Susan Slechta, Ulfar Bergthorsson, et al.Journal of Bacteriology|December 17, 2004
Natural isolates of Salmonella enterica serovar Dublin carry a single nadA missense mutationUlfar Bergthorsson, John R RothJournal of Bacteriology|April 5, 2005
Regulation of NAD synthesis by the trifunctional NadR protein of Salmonella entericaJulianne H Grose, Ulfar Bergthorsson, John R RothMolecular Biology and Evolution|December 26, 2001
Effect of chromosome location on bacterial mutation ratesRichard Ellis Hudson, Ulfar Bergthorsson, John R Roth, et al.Journal of Bacteriology|January 4, 2003
Formation of an F' plasmid by recombination between imperfectly repeated chromosomal Rep sequences: a closer look at an old friend (F'(128) pro lac)Eric Kofoid, Ulfar Bergthorsson, E Susan Slechta, et al.Journal of Bacteriology|June 22, 2005
Assimilation of nicotinamide mononucleotide requires periplasmic AphA phosphatase in Salmonella entericaJulianne H Grose, Ulfar Bergthorsson, Yaping Xu, et al.Genome Biology and Evolution|November 27, 2018
Old Trade, New Tricks: Insights into the Spontaneous Mutation Process from the Partnering of Classical Mutation Accumulation Experiments with High-Throughput Genomic ApproachesVaishali Katju, Ulfar BergthorssonGenes|April 9, 2014
Genomic and population-level effects of gene conversion in caenorhabditis paralogsVaishali Katju, Ulfar BergthorssonFrontiers in Genetics|December 26, 2013
Copy-number changes in evolution: rates, fitness effects and adaptive significanceVaishali Katju, Ulfar BergthorssonPageof 29