期刊
DIAGNOSTICS
卷 11, 期 5, 页码 -出版社
MDPI
DOI: 10.3390/diagnostics11050876
关键词
Mycoplasma; Acholeplasma and Ureaplasma sp; detection; qPCR validation; cell cultures; quality control
资金
- National Medicines Institute [6.45/12-17]
This study utilized a quantitative PCR with SYBR Green I fluorochrome for detection and identification of Mycoplasma, Acholeplasma, and Ureaplasma sp. DNA, with two tests allowing for the detection of 11 species and pre-identification of subgroups to streamline species identification. The tests met pharmacopeial requirements for microbial quality control of mammal cells.
Mycoplasma, Acholeplasma, and Ureaplasma sp. are atypical bacteria responsible for in vitro cell culture contaminations that can warp the results. These bacteria also cause human and animal infections and may lead to chronic diseases. In developed polymerase chain reaction (PCR) in this study a quantitative PCR with SYBR Green I fluorochrome was applied to facilitate the Mycoplasma, Acholeplasma, and Ureaplasma sp. DNA detection and identification. Screening Test-1 v.1 (triplex qPCR) allowed for the detection of 11 species. Test-1 v.2 (three single qPCRs) pre-identified three subgroups, allowing for the reduction of using single qPCRs in Test-2 for species identification. The range of both tests was consistent with pharmacopeial requirements for microbial quality control of mammal cells and included detection of M. arginini, M. orale, M. hyorhinis, M. fermentans, M. genitalium, M. hominis, M. pneumoniae, M. salivarium, M. pirum, A. laidlawii, and U. urealyticum. Limit of detection values varied between 125-300 and 50-100 number of copies per milliliter in Test-1 and Test-2, respectively. Test-1 and Test-2 showed fully concordant results, allowed for time-saving detection and/or identification of selected species from Mycoplasma, Acholeplasma, and Ureaplasma in tested cell cultures.
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