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Legionnaire Disease
Tufts University, Medical Department reports research in legionnaire disease
March 31st, 2009
"Mouse-derived macrophages have the unique ability to restrict or permit Legionella pneumophila intracellular growth. The common inbred mouse strain C57BL/6J (B6) restricts L. pneumophila growth, whereas macrophages derived from A/J mice allow >10(3)-fold bacterial growth within three days," scientists in the United States report. "This phenotypic difference was mapped to the mouse Naip5 allele. The B6 restrictive Naip5 allele is dominant, and six amino acid changes in its product were predicted to control permissiveness. By using the wild-derived mouse strain MOLF/Ei, we found that MOLF/Ei-derived macrophages also restrict L. pneumophila growth, yet the Naip5...
Source: TB & Outbreaks Week (2009-03-31)
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