title: Ecology: Tribal Warfare Maintains Microbial Diversity.
abstract: When two tribes of Myxococcus bacteria attack each other, the most numerous usually wins. Established colonies can therefore resist invaders by outnumbering them. This shows how positive frequency dependence can maintain diversity across spatially structured environments.
authors.affiliation: Max Planck Institute for Evolutionary Biology, 24306 Plön, Germany; Department of Genetics, Evolution and Environment, University College London, London WC1N 6BT, UK. Electronic address: d.greig@evolbio.mpg.de.
authors.forename: Duncan
authors.initials: D
authors.lastname: Greig
authors.affiliation: School of Life Sciences, University of Lincoln, Lincoln LN6 7TS, UK; School of Biological Sciences, University of Auckland, Auckland 1142, New Zealand. Electronic address: mgoddard@lincoln.ac.uk.
authors.forename: Matthew
authors.initials: M
authors.lastname: Goddard
mesh_terms: D000898:Antibiosis / Q000502:physiology*; D044822:Biodiversity; D056265:Microbial Interactions / Q000502:physiology*; D016941:Myxococcus xanthus / Q000502:physiology*; D012641:Selection, Genetic / Q000502:physiology*