Category Archives: evolutionary theory

Adaptive Tracking and Rare Alleles

In my lab we are experimenting with evolution at high mutation rates and examining populations as they respond to alternating environments. I/we need to read more and more deeply. This blog exists and can be a commitment device. Today I will start with the … Continue reading

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Repulsive or attractive?

PNAS Early Edition has a paper that phage enthusiasts should read. I was alerted to it by this Economist piece. Symbioses are widespread and the focal paper adds animal mucosa to the list of ecosystems where they play a critical … Continue reading

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ecolution

Does it make sense to separate ecology and evolution? Conceptually yes, but practically no. This week let me draw your attention to this recent paper in Ecology Letters which has been covered by the BBC. You have to love ANOVAs … Continue reading

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stepping stones and evolutionary rescue

I promised to discuss “evolutionary rescue” – the ability of populations to adapt to environmental change so that they do not go extinct. Like many terms in evolutionary biology this should not be taken anthropomorphically – there is no rescuer. However it … Continue reading

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complex processes

Inferring evolutionary dynamics is difficult because there is not a one-to-one relationship between genotype and phenotype. One phenotype may be the product of different genotypes. Conversely, the expression of a given genotype depends on the environment. This leads Michael Travisano … Continue reading

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