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Extracellular proteases have been suggested to be virulence factors in invasive aspergillosis. Since serine protease gene-disrupted mutants retain virulence, other proteases are suspected to be also(More)
To examine the role of the PmrA/PmrB two-component system (TCS) of Legionella pneumophila in global gene regulation and in intracellular infection, we constructed pmrA and pmrB isogenic mutants by(More)