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Infection Selection

Scientists track changes in bacterial genomes during a hospital outbreak to discover potential pathogenesis genes.

Written byRuth Williams
| 2 min read

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FLICKR, MASAHIKO OHKUBO

Genomic sequencing of samples from multiple patients during a bacterial epidemic has revealed gene mutations that give the bugs a selective advantage. The large-scale sequencing approach, which is reported today (November 13) in Nature Genetics, should help researchers find chinks in the armor of a wide range of human pathogens.

“This is a really superb study,” said Richard Lenski of Michigan State University, who was not involved in the study, “[It] shows how the tools and approaches of genomics, epidemiology, and evolutionary biology can be combined to give new insights into disease.”

Roy Kishony of Harvard Medical School, who led the research, said in an email that the aim of the study was “to ask, what does a pathogen experience while infecting the human body, ...

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Meet the Author

  • ruth williams

    Ruth is a freelance journalist. Before freelancing, Ruth was a news editor for the Journal of Cell Biology in New York and an assistant editor for Nature Reviews Neuroscience in London. Prior to that, she was a bona fide pipette-wielding, test tube–shaking, lab coat–shirking research scientist. She has a PhD in genetics from King’s College London, and was a postdoc in stem cell biology at Imperial College London. Today she lives and writes in Connecticut.

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