نتایج جستجو برای: pneumococci
تعداد نتایج: 2127 فیلتر نتایج به سال:
The bactericidal activity of levofloxacin was compared with that of four other quinolones and one cephalosporin against four strains of Streptococcus pneumoniae with varying degrees of penicillin G susceptibility. Levofloxacin was found to be the most bactericidal quinolone at its optimum bactericidal concentration, followed by ofloxacin, ciprofloxacin, sparfloxacin and D-ofloxacin, in that ord...
An investigation has been made of the process of local recovery occurring in the pulmonary lesions of dogs with experimental pneumococcus lobar pneumonia. Six animals showing simultaneous healing and spread of the pathological process in different parts of the lungs were sacrificed during the active stage of the disease for bacteriological and histological study. It was found that with few exce...
OBJECTIVES This study aimed to define the molecular basis of co-trimoxazole resistance in Malawian pneumococci under the dual selective pressure of widespread co-trimoxazole and sulfadoxine/pyrimethamine use. METHODS We measured the trimethoprim and sulfamethoxazole MICs and analysed folA and folP nucleotide and translated amino acid sequences for 143 pneumococci isolated from carriage and in...
Streptococcus pneumoniae (pneumococcus) is a major human pathogen, which evolved numerous successful strategies to colonize the host. In this study, we report a novel mechanism of pneumococcal-host interaction, whereby pneumococci use a host complement protein C1q, primarily involved in the host-defense mechanism, for colonization and subsequent dissemination. Using cell-culture infection assay...
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