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pro vyhledávání: '"Massoumeh D Nahvi"'
Publikováno v:
Infection and Immunity. 73:504-513
Shigella flexneri is a gram-negative bacterium that causes bacillary dysentery in humans that is characterized by an acute inflammatory response of the colon. The fate of phagocytes that are infected in vitro with virulent Shigella has been the subje
Publikováno v:
Antimicrobial Agents and Chemotherapy. 43:1631-1637
Coagulase-negative staphylococcal isolates ( n = 188) were screened for susceptibility to oxacillin, ciprofloxacin, and trovafloxacin, a new fluoroquinolone. At an oxacillin concentration of ≥4 μg/ml, 43% were methicillin resistant; of these, 70%
Publikováno v:
Microbial drug resistance (Larchmont, N.Y.). 7(1)
Methicillin-resistance in staphylococci results from expression of mecA, which occurs in a larger region of DNA (the mec region) lacking counterpart in susceptible cells. The mec region harbors in addition a highly polymorphic element, the dru (direc