Article
Cheating does not explain selective differences at high and low relatedness in a social amoeba.
BMC evolutionary biology - 12 Mar 2010
Saxer Gerda, Brock Debra A, Queller David C, Strassmann Joan E
Abstract excerpt
BACKGROUND: Altruism can be favored by high relatedness among interactants. We tested the effect of relatedness in experimental populations of the social amoeba Dictyostelium discoideum, where altruism occurs in a starvation-induced social stage when some amoebae die to form a stalk that lifts the fertile spores above the soil facilitating dispersal. The single cells that aggregate during the social stage can be...
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