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. 2011 May 30;11:123. doi: 10.1186/1471-2180-11-123

Table 3.

The Codon Adaptation Index (CAI) of genes located in genome compartments in Rlt nodule isolates.

Gene location Number of sequences Average CAI
Chromosome 66 0.767 ± 0.062 a

Chromid-like 42 0.732 ± 0.065 b

Other plasmids 61 0.645 ± 0.061 cd

Values followed by the various letters are significantly different: b (P < 0.05) and cd P < 0.001

± Standard deviation (SD)