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Genetic separation of serum opacity factor from M protein of group A streptococci.
Mutagenized cultures of three strains of group A streptococci which were M positive and produced the extracellular serum opacity factor (OF) were screened for mutants which failed to exhibit OF activity on serum agar plates. All cell fractions from three mutants studied in detail, including culture...
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
1978
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| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC422132/ https://ncbi.nlm.nih.gov/pubmed/365743 |
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