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