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The Evolutionary Ecology of Stereoisomeric Sesquiterpene Lactones in Xanthium strumarium
The ecological factors that maintain defensive chemical variation within and between plant species have intrigued ecologists for decades. While theory posits that polymorphisms may be maintained different forms of balancing ...
Social interactions in two species of social amoebae Dictyostelium discoideum and Dicyosteliuum purpureum
The core of sociality and one of the key forces behind the transition to multicellularity is cooperation. The study of social behavior in microorganisms has gained considerable attention in the last decade as researchers ...
Evolutionary costs and benefits of a newly discovered symbiosis between the social amoeba Dictyostelium and bacteria
Recent work has shown that microorganisms are surprisingly like animals in having sophisticated behaviours such as cooperation, communication, and recognition, as well as many kinds of symbioses. Here we show first that ...