Article
Slow expanders invade by forming dented fronts in microbial colonies.
Proceedings of the National Academy of Sciences of the United States of America - 4 Jan 2022
Lee Hyunseok, Gore Jeff, Korolev Kirill S
Abstract excerpt
Most organisms grow in space, whether they are viruses spreading within a host tissue or invasive species colonizing a new continent. Evolution typically selects for higher expansion rates during spatial growth, but it has been suggested that slower expanders can take over under certain conditions. Here, we report an experimental observation of such population dynamics. We demonstrate that mutants that grow...
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