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Table 1 Signature Proteins Specific for the Alpha-proteobacteria.a

From: Signature proteins that are distinctive of alpha proteobacteria

Protein

CC2102 [16126341]

CC3292 [16127522]

CC3319b [16127549]

CC1887c [16126130]

CC1725 [16125969]

CC1365 [16125614]

Length

162

224

89

105

100

161

Mag. mag.

2e-19 (1.04)

9e-49 (1.29)

2e-15 (0.99)

3e-20 (1.10)

1e-08 (0.88)

2e-21 (0.87)

Rhod. rubr.

3e-17 (1.09)

1e-42 (0.92)

1e-12 (1.04)

4e-21 (1.12)

1e-08 (1.09)

3e-17 (0.96)

Nov. aro.

1e-19 (1.02)

3e-45 (1.04)

4e-07 (0.88)

2e-25 (1.30)

-

1e-11 (0.98)

Z. mobilis *

4e-24 (1.01)

6e-40 (1.00)

-

-

-

5e-11 (1.02)

C. cres.*

1e-64 (1.00)

e-106 (1.00)

1e-34 (1.00)

3e-61 (1.00)

4e-49 (1.00)

7e-79 (1.00)

Sil. pom.*

3e-16 (0.93)

2e-44 (1.15)

8e-11 (0.97)

3e-22 (1.21)

8e-06 (0.99)

4e-12 (0.96)

Sil. sp.

1e-13 (0.98)

1e-43 (1.14)

8e-09 (0.99)

5e-24 (1.22)

1e-05 (0.88)

9e-12 (0.89)

Rh. spha.

1e-16 (0.94)

3e-43 (1.11)

4e-08 (0.94)

8e-24 (1.18)

2e-08 (1.00)

1e-11 (0.91)

Bra. jap.*

5e-21 (1.06)

8e-47 (1.11)

2e-12 (1.01)

2e-29 (1.29)

2e-09 (1.05)

2e-11 (1.15)

Rho. pal.*

8e-22 (1.10)

4e-45 (1.06)

7e-13 (1.45)

2e-25 (1.30)

2e-08 (1.05)

2e-12 (1.00)

Agr. tum.*

4e-21 (1.04)

7e-49 (1.02)

4e-10 (0.96)

3e-26 (1.26)

5e-06 (1.14)

7e-13 (1.10)

Sino. meli. *

4e-23 (1.06)

2e-49 (1.04)

6e-12 (1.01)

2e-22 (1.25)

5e-05 (0.93)

1e-14 (1.04)

Bru. mel.*

5e-19 (1.17)

4e-48 (1.02)

1e-12 (1.03)

1e-23 (1.30)

1e-07 (1.09)

4e-15 (1.04)

Bru. suis*

5e-19 (1.17)

4e-48 (1.02)

2e-12 (0.97)

1e-23 (1.30)

2e-08 (1.09)

4e-15 (1.07)

Meso. loti*

5e-18 (1.10)

9e-49 (1.00)

9e-18 (0.97)

9e-23 (1.26)

4e-09 (1.20)

3e-14 (1.40)

Meso. sp.

2e-17 (1.09)

2e-47 (1.03)

5e-16 (0.98)

6e-27 (1.26)

8e-06 (1.05)

7e-15 (1.33)

B. henselae*

8e-14 (1.12)

5e-41 (1.04)

4e-12 (0.96)

2e-23 (1.26)

5e-08 (1.09)

4e-10 (0.99)

B. Quintana*

5e-14 (1.12)

8e-42 (1.02)

4e-12 (0.96)

5e-21 (1.26)

1e-08 (1.09)

3e-11 (0.99)

R. conorii*

5e-10 (0.97)

3e-41 (0.83)

1e-07 (0.88)

1e-05 (0.94)

5e-11 (1.01)

7e-07 (0.98)

R. prowazekii*

4e-08 (0.98)

4e-40 (0.83)

3e-07 (0.88)

5e-07 (0.95)

2e-12 (1.07)

8e-06 (0.95)

R. typhi*

1e-08 (0.98)

2e-40 (0.83)

3e-07 (0.88)

4e-07 (0.95)

5e-11 (1.07)

3e-06 (0.98)

R. akari

6e-09 (0.97)

9e-41 (0.90)

1e-07 (0.88)

2e-05 (0.94)

7e-12 (1.07)

3e-07 (0.98)

R. rickettsii

1e-10 (0.97)

9e-41 (0.83)

1e-07 (0.88)

1e-05 (0.94)

5e-11 (1.01)

7e-07 (0.98)

R. sibirica

2e-10 (0.97)

5e-41 (0.83)

1e-07 (0.88)

1e-05 (0.94)

5e-11 (1.01)

3e-07 (0.98)

Wolbachia*

5e-11 (0.90)

3e-20 (0.89)

2e-07 (0.99)

1e-08 (0.99)

1e-05 (1.04)

3e-04 (0.70)

Ana. mar.*

2e-09 (0.98)

2e-40 (0.92)

-

-

9e-07 (1.19)

-

Ehr. canis

2e-07 (1.01)

6e-39 (0.95)

2e-06 (1.04)

5e-10 (0.94)

-

0.023 (0.90)

Ehr. rum.*

1e-08 (0.94)

2e-39 (0.99)

2e-05 (1.07)

8e-11 (0.89)

-

4e-05 (0.84)

Non-Alpha

-

Strep. glau. 1.6 (1.89)

Fuso. nucl. 2.9 (3.87)

Burk. fung. (3.69)

Azo. sp. 0.44 (0.91)

Myc. pneum. 0.98 (2.63)

  1. a Alpha-specific proteins were identified by BLAST searches on individual protein sequences on three α-proteobacterial genomes as described in the Methods section. The expected (E) values for various alpha-proteobacteria species as well as the first non-alpha species in the BLAST results are shown here. The values in brackets after the E values represent the ratios of the length of the hit protein divided by the query protein and a value close to 1.0 indicates that the homologues are of similar lengths. The CC numbers indicate the protein identification number in the C. crescentus genome. GenBank accession numbers for the query sequence are shown in square brackets. An asterisk (*) identifies bacterial genomes which are completely sequenced, whereas other sequences are from partially or incompletely sequenced genomes. Proteins not found in a given species are indicated with a dash (-). Abbreviations: Agr. tum., Agrobacterium tumefaciens; Ana. mar., Anaplasma marginale; Azo. sp., Azoarcus sp. EbN1; B. henselae, Bartonella henselae; B. quintana, B. quintana; Bra. jap., Bradyrhizobium japonicum; Bru. mel., Brucella melitensis; Burk. fung., Burkholderia fungorum; C. cres., Caulobacter crescentus; Ehr. canis, Ehrlichia canis; Ehr. rum., Ehr ruminantium; Fuso. nucl., Fusobacterium nucleatum; Mag. mag., Magnetospirillum magnetotacticum; Meso., Mesorhizobium; Myc. pneum., Mycoplasma pneumoniae; Nov. aro., Novosphingobium aromaticivorans; Rhod. rubr., Rhodospirillum rubrum; Rh. spha., Rhodobacter sphaeroides; Rho. pal., Rhodopseudomonas palustris; Sil. pom., Silicibacter pomeroyi; Sil. sp., Silicibacter sp. TM1040; Sino. meli., Sinorhizobium meliloti; Strep. glau., Streptomyces glaucescens; Wolbachia, Wolbachia endosymbiont of Drosophila melanogaster.
  2. b Magnetococcus sp. MC-1 (unclassfied) found in BLAST search with E value of 3e-09 [48832993].
  3. c Protein also found in Eukaryotes. The E values for a few representative eukaryotic species are as follows: Homo sapiens; 8e-10 [30583279], Chlamydomonas reinhardtii; 3e-09 [34334022], Caenorhabditis elegans; 5e-06 [7332202].
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BMC Genomics

ISSN: 1471-2164

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