Article
Evolution of novel cooperative swarming in the bacterium Myxococcus xanthus.
Nature - 4 Sept 2003
Velicer Gregory J, Yu Yuen-Tsu N
Abstract excerpt
Cooperation among individuals is necessary for evolutionary transitions to higher levels of biological organization. In such transitions, groups of individuals at one level (such as single cells) cooperate to form selective units at a higher level (such as multicellular organisms). Though the evolution of cooperation is difficult to observe directly in higher eukaryotes, microorganisms do offer such an...
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