Table 6

Variation in synonymous codon usage in N. equitans and seven other obligatory host- associated microbial organisms

Organism

Accession No.

GC %

No. of tRNA genes

No. of rRNA operons

ORFs under study

Variation explained by COA on RSCU (%)


Axis1

Axis2


Buchnera aphidicola

AE013218

26.0

30

1

506

7.21

5.92

Helicobacter hepaticus

AE017125

38.0

36

1

1630

7.46

6.41

Mycoplasma pulmonis

AL445566

26.6

28

1

705

6.96

5.97

Nanoarchaeum equitans

AE017199

31.6

38

1*

487

7.53

7.05

Rickettsia prowazekii

AJ235269

29.0

32

1

772

6.68

5.72

Ureaplasma parvum serovar3

AF222894

25.5

29

2

558

7.59

7.05

Wigglesworthia glossinidia

BA000021

22.5

34

2

575

6.42

6.16

Wolbachia pipientis

AE017196

35.2

34

1

876

6.14

5.87


* the rRNAs are not in a single operon

Das et al. BMC Genomics 2006 7:186   doi:10.1186/1471-2164-7-186

Open Data