Evaluation of polymerase chain reaction for diagnosis of pneumococcal pneumonia

Abstract excerpt

To test the ability of the polymerase chain reaction (PCR) to detect Streptococcus pneumoniae in blood, we generated two sets of nested primers. The first defined 559-bp and 649-bp regions of the pneumolysin gene, and the second defined 445-bp and 553-bp regions of the autolysin gene. These nucleotide segments were detected in DNAs from isolates of all 20 pneumococcal serotypes tested, but they were not detected...

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