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Adaptive evolution that requires multiple spontaneous mutations: mutations involving base substitutions.
A previous study has demonstrated that adaptive missense mutations occur in the trp operon of Escherichia coli. In this study it is shown that, under conditions of intense selection, a strain carrying missense mutations in both trpA and trpB reverts to Trp+ 10(8) times more frequently than would be...
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| Autor principal: | |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
1991
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC51982/ https://ncbi.nlm.nih.gov/pubmed/2062865 |
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