Table 1

General features of Rickettsia genomes.

Species (strains)

Genome size (bp)

G+C content (%)

Protein-coding genes

RNAs

References

Spotted fever group

R. africae (ESF-5)

1,290,917

32.4

1,123

39

Present study

Chromosome

1,278,540

32.4

1,112

39

Plasmid pRA

12,377

33.4

11

0

R. akari (Hartford)

1,23106

32.3

1,259

35

*

R. conorii (Malish 7)

1,268,755

32.4

1,374

39

[23]

R. felis (URRWXCal2)

1,587,240

32.5

1,512

39

[28]

Chromosome

1,485,148

32.5

1,444

39

Plasmid pRF

62,829

33.6

68

0

Plasmid pRFδ

39,268

33.2

44

0

R. massiliae (Mtu5)

1,376,184

32.5

1,192

39

[29]

Chromosome

1,360,898

32.5

1,180

39

Plasmid pRMA

15,286

31.4

12

0

R. rickettsii (Sheila Smith)

1,257,710

32.5

1,345

36

*

R. rickettsii (Iowa)

1,268,175

32.4

1,384

37

[25]

R. sibirica (246)

1,250,021

32.5

1,083

36

*

Typhus group

R. prowazekii (Madrid E)

1,111,523

29.0

834

39

[58]

R. typhi (Wilmington)

1,111,496

28.9

838

39

[26]

Third group

R. bellii (RML369-C)

1,522,076

31.7

1,429

40

[15]

R. bellii (OSU 85–389)

1,528,980

31.6

1,476

36

*

R. canadensis (McKiel)

1,159,772

31.1

1,093

36

*

* Unpublished genomes available in GenBank: R. akari (Hartford) [GenBank: NC_009881],R. rickettsii (Sheila Smith) [GenBank: NC_009882], R. sibirica (246) [GenBank: NZ_AABW00000000], R. bellii (OSU 85–389) [GenBank: NC_009883], and R. canadensis (McKiel) [GenBank: NC_009879].

Fournier et al. BMC Genomics 2009 10:166   doi:10.1186/1471-2164-10-166