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Mutual inhibition of cobalamin and siderophore uptake systems suggests their competition for TonB function.
Vitamin B12 (CN-Cbl) and iron-siderophore complexes are transported into Escherichia coli in two energy-dependent steps. The first step is mediated by substrate-specific outer membrane transport proteins and the energy-coupling TonB protein complex, and the second step uses separate periplasmic perm...
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| Hauptverfasser: | , |
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
1995
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| Schlagworte: | |
| Online Zugang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC177254/ https://ncbi.nlm.nih.gov/pubmed/7665457 |
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