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  1. Article

    Open Access

    A case of adaptation through a mutation in a tandem duplication during experimental evolution in Escherichia coli

    DNA duplications constitute important precursors for genome variation. Here we analyzed an unequal duplication harboring a beneficial mutation that may provide alternative evolutionary outcomes.

    Ram P Maharjan, Joël Gaffé, Jessica Plucain, Martin Schliep, Lei Wang in BMC Genomics (2013)

  2. Article

    Open Access

    The multiplicity of divergence mechanisms in a single evolving population

    Evolutionary divergence is common within bacterial species and populations, even during a single bacterial infection. We use large-scale genomic and phenotypic analysis to identify the extent of diversificatio...

    Ram P Maharjan, Thomas Ferenci, Peter R Reeves, Yang Li, Bin Liu in Genome Biology (2012)

  3. Article

    Open Access

    The uncertain consequences of transferring bacterial strains between laboratories - rpoSinstability as an example

    Microbiological studies frequently involve exchanges of strains between laboratories and/or stock centers. The integrity of exchanged strains is vital for archival reasons and to ensure reproducible experiment...

    Beny Spira, Rodrigo de Almeida Toledo, Ram P Maharjan, Thomas Ferenci in BMC Microbiology (2011)

  4. No Access

    Article

    Insertion Sequence-Driven Evolution of Escherichia coli in Chemostats

    Insertion sequence (IS) elements are present in almost all bacterial genomes and are mobile enough to provide genomic tools to differentiate closely related isolates. They can be used to estimate genetic diver...

    Joël Gaffé, Christopher McKenzie, Ram P. Maharjan in Journal of Molecular Evolution (2011)