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PMID:16000176
| Citation |
Afkar, E, Reguera, G, Schiffer, M and Lovley, DR (2005) A novel Geobacteraceae-specific outer membrane protein J (OmpJ) is essential for electron transport to Fe(III) and Mn(IV) oxides in Geobacter sulfurreducens. BMC Microbiol. 5:41 |
|---|---|
| Abstract |
Metal reduction is thought to take place at or near the bacterial outer membrane and, thus, outer membrane proteins in the model dissimilatory metal-reducing organism Geobacter sulfurreducens are of interest to understand the mechanisms of Fe(III) reduction in the Geobacter species that are the predominant Fe(III) reducers in many environments. Previous studies have implicated periplasmic and outer membrane cytochromes in electron transfer to metals. Here we show that the most abundant outer membrane protein of G. sulfurreducens, OmpJ, is not a cytochrome yet it is required for metal respiration. |
| Links |
PubMed PMC1186022 Online version:10.1186/1471-2180-5-41 |
| Keywords |
Amino Acid Sequence; Bacterial Outer Membrane Proteins/chemistry; Bacterial Outer Membrane Proteins/genetics; Bacterial Outer Membrane Proteins/metabolism; Base Sequence; Biological Transport; DNA Primers; Deltaproteobacteria/genetics; Deltaproteobacteria/metabolism; Ferric Compounds/metabolism; Gene Deletion; Genome, Bacterial; Geobacter/classification; Geobacter/genetics; Geobacter/immunology; Manganese Compounds/metabolism; Molecular Sequence Data; Oxides/metabolism; Peptide Fragments/chemistry; Phylogeny; Protein Structure, Secondary; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization |
| edit table |
Significance
Annotations
| Gene product | Qualifier | GO Term | Evidence Code | with/from | Aspect | Extension | Notes | Status |
|---|---|---|---|---|---|---|---|---|
| GO:0015288: porin activity |
IMP: Inferred from Mutant Phenotype: |
F |
Fig 4. |
complete |
| |||
| GO:0033215: iron assimilation by reduction and transport |
ECO:0000315: |
P |
Figure 4 shows that the OmpJ mutant is unable to reduce Fe(III) like the wild-type. |
complete | ||||
|
involved_in |
GO:0033215: reductive iron assimilation |
ECO:0000315: mutant phenotype evidence used in manual assertion |
P |
Seeded From UniProt |
complete | |||
See also
References
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