Decreased coevolutionary potential and increased symbiont fecundity during the biological invasion of a legume-rhizobium mutualism.

Abstract excerpt

Although most invasive species engage in mutualism, we know little about how mutualism evolves as partners colonize novel environments. Selection on cooperation and standing genetic variation for mutualism traits may differ between a mutualism's invaded and native ranges, which could alter cooperation and coevolutionary dynamics. To test for such differences, we compare mutualism traits between invaded- and...

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