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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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| Main Authors: | , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
1971
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC248689/ https://ncbi.nlm.nih.gov/pubmed/4326741 |
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