Abstract
Successful amplification of omp1 DNA by PCR is crucial in the genotyping of Chlamydia trachomatis when directly performed with clinical samples (J. Lan, J. M. M. Walboomers, R. Roosendaal, G. J. van Doornum, D. M. McLaren, C. J. L. M. Meijer, and A. J. C. van den Brule, J. Clin. Microbiol. 31:1060-1065, 1993). Several primers flanking the four variable domains of the omp1 gene were selected and tested for sensitivity in several nested PCRs with serial dilutions of serovar G. The optimal sensitivity obtained was 0.1 to 0.01 inclusion-forming units, similar to that obtained in the C. trachomatis plasmid PCR. With this approach, any C. trachomatis PCR-positive sample can be typed.
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Selected References
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