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Table 2 Genes evolving under branch-specific positive selection

From: Genome rearrangements and selection in multi-chromosome bacteria Burkholderia spp.

Branch ID

Function of the gene product

ω 2

p-value

COG

Localization

0

Transketolase (tktA)

12.7

8·10−5

G

CP

0

Putative aminotransferase protein

8.8

2·10−5

E

CP

0

Glycine cleavage system T protein (gcvT)

26.1

5·10−5

E

CP

3

Error-prone DNA polymerase (dnaE2)

8.8

2·10−5

F

CP

3

Metallo-dependent hydrolases

104

2·10−6

Q

CP

4

LysR-family transcriptional regulator

507

6·10−22

K

CP

6

Dyp-type peroxidase

18

2·10−7

P

CP

6

KipI family

17

1·10−5

E

CP

6

OmpA family transmembrane protein

35

1·10−5

M

OM

13

Alpha/beta hydrolase fold

40

8·10−8

S

CP

23

Inner membrane protein YqjD/ElaB

1000

7·10−11

S

NA

48

Glutamate synthase large subunit-like protein

117

8·10−8

E

NA

N/A

Cytidylate kinase

1000

1·10−5

F

CP

N/A

Flagellar hook protein (FlgE)

4

1·10−6

N

EC

N/A

Phosphoenolpyruvate-protein kinase

576

5·10−5

G

CP

N/A

Porin related exported protein

7.5

1·10−5

M

OM

N/A

Penicillin-binding protein

86

3·10−5

M

CM

  1. The COG categories are coded as follows: K, transcription; M, cell wall/membrane biogenesis; N, Cell motility; G, carbohydrate transport and metabolism; E, amino acid transport and metabolism; F, nucleotide transport and metabolism; P, inorganic ion transport and metabolism; Q, secondary metabolites biosynthesis, transport and catabolism; R General function prediction only. The localization is coded as follows: CP, Cytoplasmic; OM, outer membrane; EC, Extracellular; CM, CytoplasmicMembrane; NA, unknown (these proteins may have multiple localization sites)