Multicoloured greenbeards, bacteriocin diversity and the rock-paper-scissors game.
Greenbeard genes identify copies of themselves in other individuals and cause their bearer to behave nepotistically towards those individuals. Bacterial toxins (bacteriocins) exemplify the greenbeard effect because producer strains carry closely linked genes for immunity, such that toxicity is limited to nonproducer strains. Bacteriocin producers can be maintained in a dynamic polymorphism, known as rock-paper-scissors (RPS) dynamics, with immune and susceptible strains. However, it is unclea...Expand abstract
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