Table 6

GO categories enriched for E. grandis genes under purifying and diversifying selection.

Ka/Ks extremea

GO category

Proportion out extreme

Proportion in extreme

p-value


"purifying"

translation

0.0400

0.0769

0.0006

"purifying"

ubiquitin-dependent protein catabolic process

0.0092

0.0280

0.0023

"purifying"

nucleosome assembly

0.0008

0.0098

0.0039

"purifying"

chromosome organization and biogenesis

0.0000

0.0070

0.0056

"purifying"

ribosome biogenesis and assembly

0.0108

0.0252

0.0158

"purifying"

response to hydrogen peroxide

0.0031

0.0126

0.0169

"purifying"

response to high light intensity

0.0031

0.0112

0.0326

"diversifying"

biological_process_unknown

0.1703

0.2751

0.0002

"diversifying"

multicellular organismal development

0.0028

0.0175

0.0129


a The "purifying" extreme is composed of contigs with Ka/Ks smaller than 0.15, while the "diversifying" extreme has contigs with Ka/Ks greater than 0.50.

Biological process GO categories enriched (p-value < 0.05) in each of the two extremes of Ka/Ks distribution.

Novaes et al. BMC Genomics 2008 9:312   doi:10.1186/1471-2164-9-312

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