| 21. | Mutant strains lacking pili show severely attenuated pathogenicity.
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| 22. | Virulence factors are the characteristics that the evolved bacteria have developed to increase pathogenicity.
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| 23. | This transglutaminase ability has two implications, one ( in potential pathogenicity ) hypothetical.
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| 24. | The pathogenicity ( if any ) of opalines in fish hosts is not yet known.
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| 25. | This protein is located in a putative pathogenicity island regulated by the transcription factor MglA.
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| 26. | For more information, see the databases at the end of the article or UPEC pathogenicity.
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| 27. | Due to its pathogenicity, Machupo virus requires Biosafety Level Four conditions, the highest level.
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| 28. | Additionally, regulatory genes outside of the PAI may regulate virulence genes in the pathogenicity island.
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| 29. | Regulons can sometimes be pathogenicity islands.
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| 30. | T3SSs are essential for the pathogenicity ( the ability to infect ) of many pathogenic bacteria.
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