Table 3

Selenoproteomes and environmental conditions of 18 selenoprotein-rich organisms

Phyla/organisms

Number of selenoproteins

Selenoproteins (number)

Aerobic/anaerobic

Temperature (°C)


Deltaproteobacteria

Syntrophobacter fumaroxidans

31

SelD, FdhA (6), FrhA (3), FrhD (8), HdrA (7), GlpC (3), peroxiredoxin, HesB-like, MsrA

Anaerobic

20-25

Syntrophus aciditrophicus

19

SelD, FdhA (4), FrhD (4), HdrA (4), peroxiredoxin, GrdA, GrdB, Prx-like thiol:disulfide oxidoreductase, thiol:disulfide interchange protein, HesB-like

Anaerobic

20-25

Desulfotalea psychrophila

12

SelD, FdhA (4), GlpC, Prx-like thiol:disulfide oxidoreductase, SelW-like, FrhA, FrhD, HdrA, ArsC-like

Anaerobic

7-10

Anaeromyxobacter dehalogenans

11

FdhA (3), SelD, peroxiredoxin (3), proline reductase, thioredoxin (2), DsbA-like

Anaerobic

30

Desulfovibrio vulgaris

8

SelD, FdhA (3), DsrE-like, GlpC, HesB-like, FrhA

Anaerobic

25-40

Geobacter metallireducens

8

SelD, FdhA, Prx-like thiol:disulfide oxidoreductase, thioredoxin, FrhD, peroxiredoxin, thiol:disulfide interchange protein, NADH oxidase

Anaerobic

25-30

Geobacter sulfurreducens

8

SelD, FdhA, Prx-like thiol:disulfide oxidoreductase, thioredoxin, distant AhpD homolog, glutaredoxin, HesB-like, SelW-like

Anaerobic

30-35

Geobacter uraniumreducens

8

FdhA (2), SelD, Prx-like, thioredoxin, proline reductase, thiol:disulfide interchange protein, distant AhpD homolog

Anaerobic

30-35

Desulfovibrio desulfuricans

7

SelD, FdhA (3), FrhA, HesB-like, DSBA-like

Anaerobic

25-40

Desulfuromonas acetoxidans

6

SelD, GrdA (2), GrdB, HesB-like, distant ArsC homolog

Anaerobic

25-30

Firmicutes/Clostridia

Alkaliphilus metalliredigenes

11

FdhA, peroxiredoxin (2), GrdA, GrdB, proline reductase, HesB-like, glutaredoxin (2), SelW-like, AhpD-like (COG2128)

Facultative

30

Syntrophomonas wolfei

10

SelD, FdhA (5), FrhD, HdrA, peroxiredoxin, distant Prx-like thiol:disulfide oxidoreductase

Anaerobic

20-25

Carboxydothermus hydrogenoformans

9

SelD, FdhA (2), GrdA, GrdB, homolog of AhpF N-terminal domain, FrhD, thioredoxin, HdrA

Anaerobic

78

Desulfotomaculum reducens

8

SelD, FdhA (2), FrhD (2), HdrA, SelW-like, DsbA-like

Anaerobic

20-25

Clostridium difficile

6

SelD, FdhA, GrdA, GrdB (2), proline reductase

Anaerobic

25-40

Moorella thermoacetica

6

SelD, FdhA (2), HdrA, FrhD, glutaredoxin

Anaerobic

58

Actinobacteria

Symbiobacterium thermophilum

12

FdhA (3), SelD, GrdA, GrdB, HesB-like, AhpF N-terminal domain, peroxiredoxin, SelW-like, DsbG-like

Microaerophile

60

Spirochaetes

Treponema denticola

6

SelD, Gpx, GrdA, GrdB (2), thioredoxin

Anaerobic

30-42


Zhang et al. Genome Biology 2006 7:R94   doi:10.1186/gb-2006-7-10-r94

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