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. 2005 Dec;69(4):665–695. doi: 10.1128/MMBR.69.4.665-695.2005

TABLE 3.

Distribution of citrate fermentation over 156 sequenced bacterial genomes (207 strains)

Phylum and class na Bacterium Presence of:
Transporter family Gene organizationb
CitM OAD
CitR CitAB
A D B G
Firmicutes 38
    Bacillales 23 Lactococcus lactis x x [st326]2HCT (R-T)cM><R<>C-DEF-X-G
Lactobacillus plantarum x x [st303]AIT G-4-MDH-T><R<>M-C-DEF-FU-FR-2-X
Lactobacillus acidophilus x [st303]AIT FU-FR-MDH-1-T-1-C-DEF-1><5-RXG
Streptococcus mutans x x x [st301]CITM C-G-1-T<>1-D-B-DEF-X-A
Streptococcus pyogenes x x x [st301]CITM G-1-T-1-D-B-DEF-X-A-C
Enterococcus faecalis x x x x [st301]CITM T-1-D-B-1-C-DEF-X-A-M-G
    Clostridia 4 Clostridium perfringens x x [st326]2HCT R-G-C-DEF-X-M-T
Clostridium tetani - DEF-C-X-Gd
Clostridium tetani x [st313]AITC DEF-T-1-Md
Fusobacteria 1 Fusobacterium nucleatum x [st326]2HCT C-XT-A-G-DEF
Proteobacteria 74
    Gamma subdivision 34 Photobacterium profundum x x x x x [st326]2HCT BA-B-A:D-oG-T<>C-DEF-X-Gd
Salmonella typhimurium x x x x x [st326]2HCT BA-B-A:D-oG-T<>C-DEF-X-G
Salmonella enterica x x x x x [st326]2HCT BA-B-A:D-oG-T<>C-DEF-X-G
Vibrio cholerae x x x x x [st326]2HCT BA-B-A:D-oG-T<>C-DEF-X-G
Escherichia coli x [st303]AIT BA<>C-DEF-X-G-T
Salmonella typhimurium x [st303]AIT BA<>C-DEF-X-G-T
Salmonella enterica x [st303]AIT BA<>C-DEF-X-G-T
Haemophilus influenza [st303]AIT C-DEF-X:G-T
Haemophilus ducreyi x [st303]AIT C-DEF-X:G-T-M
Shigella flexneri [st303]AIT C-DEF-X-G-Te
Erwinia carotovora x [st326]2HCT BA<>T-1-C-DEF-X-G
Spirochaetales 5 Treponema denticola x x x [st326]2HCT? A:D-BC-X:GDEFT
a

Number of completed genomes available at http://www.ncbi.nlm.nih.gov/genomes/MICROBES/Complete.html. For the remaining completed genomes, see Table 2.

b

abbreviations: R, transcriptional regulator CitR; T, transporter; M, malic enzyme CitM; C, DEF, X, and G, citrate lyase subunits and accessory proteins (see Fig. 3C); MDH, malate dehydrogenase; FU, fumarase; FR, fumarate reductase; D, B, and A, subunits of the oxaloacetate decarboxylase OadDBA (see Fig. 3B); oG, γ subunit of oxaloacetate decarboxylase; BA, two-component signal transduction system CitAB. Adjacent genes are connected by a dash, adjacent but divergently transcribed genes by angle brackets, and distant genes by a space. Numbers indicate intergenic open reading frames. A “:” indicates that the genes are fused in one open reading frame.

c

Plasmidic.

d

oadG and/or citD erroneously annotated or not annotated in the database.

e

T not annotated in the database.