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Table 6 Codon usage comparisons of core, contingency and unique genes

From: Characterization and modeling of the Haemophilus influenzae core and supragenomes based on the complete genomic sequences of Rd and 12 clinical nontypeable strains

Group 1

Group 2

P value

Core

Unique

5.34E-16

Core

Distributed

4.95E-16

Core

Non-core

6.55E-25

Contingency

Unique

0.17

  1. The Mann Whitney U-test for significant differences in median of epsilon scores for each pair of gene groups. Only genes with a protein coding length of 200-300 amino acids were tested to minimize length bias. Median core epsilon scores are significantly different among the three gene groups.