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Table 4 Characteristics of cbb gene clusters in facultative and obligate, autotrophic bacteria.

From: Genes and pathways for CO2 fixation in the obligate, chemolithoautotrophic acidophile, Acidithiobacillus ferrooxidans, Carbon fixation in A. ferrooxidans

Organism

Autotrophy status

Phyogenetic

classification

-proteo-bacteria

No. copies

cbbR

Presence

of cso genes?

trpE/G

associated with cbb?

cbb gene cluster associated with cbbP?

No. cbb

gene clusters

Acidithiobacillus ferrooxidans ATCC 23270 and ATCC 53993

obligate

Gamma-

2

Yes

Yes

No

5*

Acidithiobacillus thiooxidans ATCC 19377

obligate

Gamma-

2

Yes

Yes

No

5

Acidithiobacillus caldus ATCC 51756

obligate

Gamma-

2

Yes

Yes

No

5

Nitrosomonas europaea ATCC 19718

obligate

Beta-

1

No

Yes

No

4

Nitrosomonas eutropha C71

obligate

Beta-

1

Yes

Yes

No

4

Nitrosococcus oceani ATCC 19707

obligate

Beta-

1

No

Yes

No

4

Thiomicrospira crunogena XCL-2

obligate

Gamma-

3

Yes

Yes

No

5

5 Hydrogenovibrio marinus MH-110

obligate

Gamma-

2

Yes

N/D

N/D

3

Thiobacillus denitrificans ATCC 25259

obligate

Beta-

2

Yes

Yes

No

5

Nitrosospira multiformis ATCC 25196

obligate

Beta-

1

No

Yes

No

4

Methylococcus capsulatus Bath

obligate

methanotroph

Gamma-

1

No

Yes

Yes

3

1Nitrobacter hamburgensis X14

facultative

Alpha-

3

Yes

No

Yes

3

Nitrobacter winogradskyi Nb-255

facultative

Alpha-

3

Yes

No

Yes

3

Halorhodospira halophila SL1

facultative

Gamma-

1

No

Yes3

Yes

2

Alkalilimnicola ehrlichii MLHE-1

facultative

Gamma-

1

No

Yes3

Yes

2

Bradyrhizobium sp. BTAi1

facultative

Alpha-

2

Yes

No

Yes

3

Bradyrhizobium japonicum USDA 110

facultative

Alpha-

1

No

No

Yes

1

Ralstonia eutropha H16

facultative

Beta-

1

No

No

Yes

24

Dechloromonas aromatica RCB

facultative

Alpha-

1

No

No

Yes

2

2 Magnetospirillum magneticum AMB-1

facultative

Alpha-

?

No

No

Yes

2

Paracoccus denitrificans PD1222

facultative

Alpha-

1

No

No

Yes

1

Rhodobacter sphaeroides 2.4.1

facultative

Alpha-

1

No

No

Yes

2

Rhodoferax ferrireducens T118

facultative

Beta-

1

No

No

Yes

1

Rhodopseudomonas palustris CGA009

facultative

Alpha-

2

No

No

Yes

3

Rhodospirillum rubrum ATCC 11170

facultative

Alpha-

1

No

No

Yes

1

Sinorhizobium meliloti 1021

facultative

Alpha-

1

No

No

Yes

1

  1. *in addition to the four cbb operons described in this paper, a fifth gene cluster containing cbb genes (including a form II RubisCO gene) has recently been detected in A. ferrooxidans (43). 1Two copies of cbbR and two cbb gene clusters are present on two plasmids; 2two highly similar operons present in the genome; 3in these organisms, trpE gene is neighbor to cbbP but not cbbE. 4 R. eutropha H16 posesses a duplicated cbb operon, with similar copies in the chromosome and in a megaplasmid. 5Data derived from cloned sequences (18). N/D = no data.