| 21. | He was a pathology lecturer in London from 1912, and started to specialise in streptococci.
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| 22. | Toxin-producing streptococci can invade chickenpox lesions in children and any break in the skin in adults.
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| 23. | This was the scientific home of Rebecca Lancefield, who developed the still powerful serological classification of streptococci.
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| 24. | However, under special conditions commensal streptococci can become opportunistic pathogens, initiating disease and damaging the host.
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| 25. | Menthol is widely used in dental care as a topical antibacterial agent, effective against streptococci and lactobacilli.
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| 26. | There are four main species within streptococci : the mutans, salivarius, anginosus, and mitis groups.
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| 27. | The organism was termed " Diplococcus pneumoniae " from 1920 because of its characteristic appearance in streptococci.
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| 28. | Meanwhile, a physician-scientist through and through, McCarty turned his attention to diseases promoted by streptococci.
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| 29. | He studied a range of topics including dysentery, Spirochaetes, diphtheria, spotted fever, Streptococci and Penicillin.
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| 30. | The presence of streptococci encourage adherence of more cariogenic bacteria, which in turn increases the likelihood for caries.
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