Table 1

Final mean fitness of groups evolved under each resource regime for 2000 generations.

Group

Grand Mean (± SEM)

P*


glu&mal set

glu

1.210 (± 0.009)

<0.001

mal

1.266 (± 0.013)

<0.001

glu/mal

1.218 (± 0.022)

<0.001

glu+mal

1.246 (± 0.017)

<0.001

glu&lac set

glu

1.210 (± 0.009)

<0.001

lac

1.426 (± 0.027)

<0.001

glu/lac

1.294 (± 0.033)

<0.001

glu+lac

1.303 (± 0.018)

<0.001


*;One-tailed t-test. The null hypothesis is that the mean fitness equals 1.0. SEM values are based on the 6 replicate populations in each treatment group, except for the mal group which had only 5 surviving replicates.

Values that remain significant (P < 0.05) following sequential Bonferroni correction for the four tests performed within each resource set are shown in bold.

The glu group is repeated for clarity.

Cooper and Lenski BMC Evolutionary Biology 2010 10:11   doi:10.1186/1471-2148-10-11

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