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Table 1 Genome sizes, protein numbers and GC contents of sequenced alpha-proteobacteria

From: Phylogenomics and signature proteins for the alpha Proteobacteria and its main groups

Species Name

Order

Family

Genome Size (Mb)

GC content (%)

Protein Number

Reference

Bartonella bacilliformis KC583

Rhizobiales

Bartonellaceae

1.4

38.2

1283

TIGR

Bartonella henselae str. Houston-1

Rhizobiales

Bartonellaceae

1.93

38.2

1488

[7]

Bartonella quintana str. Toulouse *

Rhizobiales

Bartonellaceae

1.58

38.8

1142

[7]

Bradyrhizobium japonicum USDA 110*

Rhizobiales

Bradyrhizobiaceae

9.1

64.1

8317

[5]

Bradyrhizobium japonicum BT Ail

Rhizobiales

Bradyrhizobiaceae

8.53

64.8

7622

DOE-JGI

Bradyrhizobium sp. ORS278

Rhizobiales

Bradyrhizobiaceae

7.5

65.5

6717

Genoscope

Nitrobacter hamburgensis X14

Rhizobiales

Bradyrhizobiaceae

5.01

61.6

4326

DOE-JGI

Nitrobacter winogradskyi Nb-255*

Rhizobiales

Bradyrhizobiaceae

3.4

2.5

3122

[42]

Rhodopseudomonas palustris BisA53

Rhizobiales

Bradyrhizobiaceae

5.51

64.4

4878

DOE-JGI

Rhodopseudomonas palustris BisB18

Rhizobiales

Bradyrhizobiaceae

5.51

65.0

4886

DOE-JGI

Rhodopseudomonas palustris BisB5

Rhizobiales

Bradyrhizobiaceae

4.89

64.8

4397

DOE-JGI

Rhodopseudomonas palustris CGA009

Rhizobiales

Bradyrhizobiaceae

5.47

65.0

4820

[41]

Rhodopseudomonas palustris HaA2

Rhizobiales

Bradyrhizobiaceae

5.33

66.0

4683

DOE-JGI

Brucella abortus biovar 1 str. 9–941

Rhizobiales

Brucellaceae

3.29

57.2

3085

[69]

Brucella melitensis 16M

Rhizobiales

Brucellaceae

3.29

57.2

3198

[38]

Brucella melitensis biovar Abortus 2308

Rhizobiales

Brucellaceae

3.28

57.2

3034

[39]

Brucella suis 1330*

Rhizobiales

Brucellaceae

3.32

57.3

2123

[40]

Brucella ovis ATCC 25840

Rhizobiales

Brucellaceae

3.3

57.2

2892

TIGR

Mesorhizobium loti MAFF303099*

Rhizobiales

Phyllobacteriaceae

7.6

62.5

7372

[6]

Mesorhizobium sp. BNC1

Rhizobiales

Phyllobacteriaceae

4.94

61.1

4543

DOE-JGI

Agrobacterium tumefaciens str. C58

Rhizobiales

Rhizobiaceae

5.67

59.0

4661

[37]

Rhizobium etli CFN 42

Rhizobiales

Rhizobiaceae

6.53

61.0

5963

[35]

Rhizobium leguminosarum bv. viciae 3841

Rhizobiales

Rhizobiaceae

7.75

61.0

7263

[81]

Sinorhizobium meliloti 1021

Rhizobiales

Rhizobiaceae

6.69

62.2

6205

[36]

Caulobacter crescentus CB15*

Caulobacterales

Caulobacteraceae

4.02

67.2

3737

[51]

Hyphomonas neptunium ATCC 15444

Caulobacterales+

Hyphomonadaceae

3.71

61.9

3505

[46]

Maricaulis maris MCS10

Caulobacterales+

Hyphomonadaceae

3.37

62.7

3063

DOE-JGI

Jannaschia sp. CCS1

Rhodobacterales

Rhodobacteraceae

4.4

62.2

4212

DOE-JGI

Paracoccus denitrificans PD1222

Rhodobacterales

Rhodobacteraceae

5.25

66.8

5077

DOE-JGI

Rhodobacter sphaeroides 2.4.1*

Rhodobacterales

Rhodobacteraceae

4.45

68.8

4242

DOE-JGI

Rhodobacter sphaeroides ATCC 17025

Rhodobacterales

Rhodobacteraceae

4.54

68.2

4333

DOE-JGI

Rhodobacter sphaeroides ATCC 17029

Rhodobacterales

Rhodobacteraceae

4.42

69.0

4132

DOE-JGI

Roseobacter denitrificans OCh 114

Rhodobacterales

Rhodobacteraceae

4.3

58.9

4129

[44]

Silicibacter pomeroyi DSS-3

Rhodobacterales

Rhodobacteraceae

4.6

64.1

4252

[45]

Silicibacter sp. TM1040*

Rhodobacterales

Rhodobacteraceae

4.15

60.1

3864

DOE-JGI

Gluconobacter oxydans 621H*

Rhodospirillales

Acetobacteraceae

2.92

60.8

2664

[56]

Granulibacter bethesdensis CGDNIH1

Rhodospirillales

Acetobacteraceae

2.7

59.1

2437

Rocky Mountain Lab

Acidiphilium cryptum JF-5

Rhodospirillales

Acetobacteraceae

3.97

67.1

3564

DOE-JGI

Magnetospirillum magneticum AMB-1

Rhodospirillales

Rhodospirillaceae

4.97

65.1

4559

[57]

Rhodospirillum rubrum ATCC 11170*

Rhodospirillales

Rhodospirillaceae

4.41

65.4

3841

DOE-JGI

Candidatus Pelagibacter ubique HTCC1062

Rickettsiales

-

1.3

29.7

1354

[2]

Anaplasma marginale str. St. Maries

Rickettsiales

Anaplasmataceae

1.2

49.8

949

[70]

Anaplasma phagocytophilum HZ

Rickettsiales

Anaplasmataceae

1.47

41.6

1264

[71]

Ehrlichia canis str. Jake

Rickettsiales

Anaplasmataceae

1.32

29.0

925

DOE-JGI

Ehrlichia chaffeensis str. Arkansas

Rickettsiales

Anaplasmataceae

1.18

30.1

1105

[71]

Ehrlichia ruminantium str. Gardel

Rickettsiales

Anaplasmataceae

1.5

27.5

950

[72]

Ehrlichia ruminantium str. Welgevonden

Rickettsiales

Anaplasmataceae

1.52

27.5

888

[73]

Neorickettsia sennetsu str. Miyayama

Rickettsiales

Anaplasmataceae

0.86

41.1

932

[71]

Rickettsia bellii RML369-C

Rickettsiales

Rickettsiaceae

1.52

31.6

1429

[74]

Rickettsia conorii str. Malish 7

Rickettsiales

Rickettsiaceae

1.27

32.4

1374

[75]

Rickettsia felis URRWXCal2

Rickettsiales

Rickettsiaceae

1.59

32.5

1512

[76]

Rickettsia prowazekii str. Madrid E

Rickettsiales

Rickettsiaceae

1.11

29.0

835

[77]

Rickettsia typhi str. Wilmington

Rickettsiales

Rickettsiaceae

1.11

28.9

838

[78]

Wolbachia endosymbiont (Drosophila)*

Rickettsiales

Rickettsiaceae

1.27

35.2

1195

[79]

Wolbachia endosymbiont (Brugia malayi)

Rickettsiales

Rickettsiaceae

1.08

34.2

805

[80]

Erythrobacter litoralis HTCC2594

Sphingomonadales

Erythrobacteraceae

3.05

63.1

3011

GBM Foundation

Novosphingobium aromaticivorans DSM 12444*

Sphingomonadales

Sphingomona-daceae

3.56

65.2

3937

DOE-JGI

Sphingopyxis alaskensis RB2256

Sphingomonadales

Sphingomona-daceae

3.37

65.5

3195

DOE-JGI

Sphingomonas wittichii RW1

Sphingomonadales

Sphingomona-daceae

5.93

67.9

5345

DOE-JGI

Zymomonas mobilis subsp. mobilis ZM4

Sphingomonadales

Sphingomona-daceae

2.06

46.3

1998

[53]

  1. * indicates species that were used in blast searches
  2. + Although these species are classified as Rhodobacterales, results presented here and elsewhere [29,47] suggest their placement in the Caulobacterales.
  3. DOE-JGI, Department of Energy, Joint Genome Institute; GBM, The Gordon and Betty Moore Foundation Marine Microbiology Initiative; TIGR, The Institute for Genome Research.