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J Microbiol Methods. 2005 Jan;60(1):13-9.

Development of real-time PCR for the differential detection and quantification of Ureaplasma urealyticum and Ureaplasma parvum.

Author information

1
Institute for Infectious Diseases, University of Berne, Friedbuehlstrasse 51, CH-3010 Berne, Switzerland.

Abstract

Ureaplasma parvum and Ureaplasma urealyticum are recently recognized species of the genus Ureaplasma. In humans, Ureaplasma spp. can be found on mucosal surfaces, primarily in the respiratory and urogenital tracts. They have been implicated in various human diseases such as nongonococcal urethritis, intrauterine infections in association with adverse pregnancy outcome and fetal morbidity, and pneumonitis in immunocompromised hosts. We have developed two quantitative real-time PCR assays to differentially detect U. parvum and U. urealyticum. Based upon the sequence information of the urease gene (ureB), we designed two TaqMan primer and probe combinations specific for U. parvum and U. urealyticum, respectively. The assays did not react with nucleic acid preparations from 16 bacterial species commonly encountered in relevant clinical specimens, including seven urease-producing species. Each assay had a detection limit of approximately five copies per reaction of the respective gene target. The results suggest that these assays are both sensitive and specific for U. parvum and U. urealyticum. Further investigation of both assays using clinical specimens is appropriate.

PMID:
15567220
DOI:
10.1016/j.mimet.2004.08.005
[Indexed for MEDLINE]

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