Table 4

Events of selenoprotein loss identified in different bacterial phyla

Phylum/organism

Number of selenoproteins

Selenoprotein families lost in sister organisms


Deltaproteobacteria

Syntrophus aciditrophicus

19

GrdB

Desulfotalea psychrophila

12

SelW-like, ArsC-like

Geobacter metallireducens

8

NADH oxidase

Geobacter sulfurreducens

8

HesB-like, SelW-like

Desulfuromonas acetoxidans

6

GrdB, ArsC-like

Firmicutes/Clostridia

Alkaliphilus metalliredigenes

11

GrdA, GrdB

Syntrophomonas wolfei

10

FrhD, HdrA

Carboxydothermus hydrogenoformans

9

GrdA, GrdB, homolog of AhpF N-terminal domain, FrhD, HdrA

Desulfotomaculum reducens

8

FrhD, HdrA, DsbA-like

Clostridium difficile

6

SelD, FdhA, GrdA, GrdB

Moorella thermoacetica

6

SelD, FdhA, HdrA, FrhD

Thermoanaerobacter tengcongensis

3

SelD, GrdA, GrdB

Desulfitobacterium hafniense

3

HesB-like

Clostridium perfringens

2

SelD

Actinobacteria

Symbiobacterium thermophilum

12

SelD, HesB-like, SelW-like

Rubrobacter xylanophilus

5

SelD


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

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