Table 7

Model C tested for genetic variation in mortality tolerance
Days 1-3 Days 4-5
Factor Deviance residuals Pr(>Chi) Deviance residuals Pr(>Chi)
Day 25.24 <0.001 4.58 0.032
Genotype 408.61 <0.001 17.22 0.045
Diet 11.25 <0.001 1.75 0.185
Load 12.49 <0.001 0.67 0.413
Genotype*Load 28.65 <0.001 4.04 0.909
Genotype*Diet 28.72 <0.001 18.37 0.019
Diet*Load 0.63 0.427 2.31 0.129
Genotype*Diet*Load 38.64 <0.001 5.05 0.752

The proportion of flies alive each day post-infection is the response variable. The significant Genotype*Load interaction represents genetic variation for mortality tolerance. The significant Genotype*Diet*Load interaction represents a genotype-by-environment effect for mortality tolerance.

Howick and Lazzaro

Howick and Lazzaro BMC Evolutionary Biology 2014 14:56   doi:10.1186/1471-2148-14-56

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