A very interesting article is publicized in the new "Nature Reviews Genetics": "The co-evolutionary genetics of ecological communities". It seems, that there are some parallels to human communities and how they influence each other in history and evolutionary times. - Only as one example we can suppose a sort of "co-evolution" between the Germans and the Ashkenazi Jews in the last 1000 years (parallels in genetics and mother-tongue). Another example for "co-evolution" could be the influence between Europeans and East Asians at the long chinese border during ancient times (the beginning of chinese bronze age and other events).
Here are some sentences concerning plants and animals:
Advances in the emerging field of community genetics, which integrates genetics and community ecology, could revolutionize how co-evolution is studied, how genes are functionally annotated and how conservation geneticists implement preservation strategies.
Patterns of co-adaptation result from the process of co-evolution, which occurs whenever two ecologically interacting species exert reciprocal selection pressures on one another and the response is inherited. Although most interactions between species, including those between competitors, predator and prey, host and parasite, or host and symbiont, generate reciprocal selection pressures, the specific pattern that emerges over time varies with the nature of the ecological interaction, the genetic architecture of the co-evolving traits and the degree of co-transmission across generations.
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