Table 6

Distribution and phylogeny of ABC transporter genes

Transporter genes

Percentage of all genes

Number in quartops

Percentage in quartops

Phylogeny supported


RA-SMa

RS-AM

RM-AS


Chromosome

383

8.1

128

33.4

31

20

16

pRL12

172

21.7

12

7.0

0

9

0

pRL11

77

12.1

29

37.7

11

3

1

pRL10

83

18.0

8

9.6

5

1

0

pRL9

86

27.5

14

16.3

3

3

4

pRL8

15

10.6

0

0

0

0

0

pRL7

0

0

0

0

0

0

0

All

816

11.2

191

28.3

50

36

21


aNumber of quartops supporting the 'core' phylogeny ([R. leguminosarum, A. tumefaciens], [S. meliloti, M. loti]) with at least 99% probability (and likewise for the other two possible topologies). ABC, ATP-binding cassette.

Young et al. Genome Biology 2006 7:R34   doi:10.1186/gb-2006-7-4-r34

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