Table 4

MulitFun categories exhibiting unusual levels of allelic substitution among the four major lineages

HR detected

Genes

Percent recombined

χ² score

Multi-Fun Level 2 categories

5

144

3.5

4.52

Ribosome and peptidoglycan structure

10

237

4.2

5.47

Cell division, cell protection, and adaptation to stress

14

279

5.0

4.35

Protein-related information

20

329

6.1

2.94

RNA-related information

386

4,035

9.6

Not reported

All other functions (including unknown)

48

357

13.5

9.24

Building block biosynthesis

16

109

13.8

3.21

DNA-related information

7

40

17.5

3.56

Group translocators (PTS)

9

46

19.6

6.24

Motility

Categories with few members such as ribosome and peptidoglycan structure are combined together, as are three types of cell processes. We computed a χ² goodness-of-fit statistic for each category, but do not report p values because dependencies exist between categories.

Mau et al. Genome Biology 2006 7:R44   doi:10.1186/gb-2006-7-5-r44