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Isolation of Vitamin B(12) Transport Mutants of Escherichia coli
Escherichia coli KBT001, a methionine-vitamin B(12) auxotroph, was found to require a minimum of 20 molecules of vitamin B(12) (CN-B(12)) per cell for aerobic growth in the absence of methionine. After mutagenesis with N-methyl-N′-nitro-N-nitrosoguanidine and penicillin selection, two kinds of B(12)...
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| Autors principals: | , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
1971
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC248689/ https://ncbi.nlm.nih.gov/pubmed/4326741 |
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