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Table 2 Phylogenetic analysis of the gain and loss of peptidoglycan metabolism

From: Peptidoglycan: a post-genomic analysis

Clusters

Number of dates*

Event types

Genes or function

Pagel’s score

Error percentage

I

2

Loss

GH73

27.76

≈0%

Gain

GH25

  

II

6

Loss

GH23

65.55

≈0%

Loss

GT51

  

III

5

Loss

GT51

59.95

≈0%

 

Loss

PG

  

IV

4

Loss

GH23

52.35

≈0%

Loss

GT51

50.70

≈0%

Loss

PG

51.27

≈0%

V

2

Loss

GH103

25.10

≈0%

Loss

GH102

  

VI

2

Gain

GH73

9.79

<5%

Gain

GH25

  

VII

2

Loss

GT51

1999945.66

≈0%

Loss

GT28

  

VIII

2

Loss

GH23

3.34

<50%

Gain

GH73

  

IX

2

loss

GH104

23.29

≈0%

loss

GH25

  

X

2

Gain

GH103

6.27

<20%

Gain

GH73

  

XI

2

Loss

GH25

23.44

≈0%

Loss

GH23

  

XII

2

Loss

GH102

19.18

<1%

Gain

GH104

  

XIII

2

Loss

GH103

25.51

≈0%

Loss

GH73

  
  1. Pagel’s score was based on a chi2 test, with four freedom degrees and was applied to two events. Functional PG corresponds to the presence of PG in the cell wall. Date correspond to a node for which events were observed. *Detail of dates is given in the Additional file 4.