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Medical Journal of Islamic Republic of Iran، جلد ۱۳، شماره ۱، صفحات ۷۵-۷۹
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عنوان انگلیسی COMPARISON OF FOUR PCR TESTS FOR THE DETECTION OF MYCOPLASMA PNEUMONIAE
چکیده انگلیسی مقاله Recently PCR is being used more frequently as a diagnostic method to detect M. pneumoniae. We used primer pairs reported by Van Kuppeveld,13 Leng,5 Lunerberg,7 an Bernet' targeting 16s rRNA, PI protein, tuf genes. and a short DNA equence (MP5) to evaluate the sensitivity among different PCRs. Reoptimization experiments showed that tuf PCR had the highest sensitivity amongst these four PCRs, detecting 10 organisms. Detection limit for the rest of the PCRs was 100 copies of DNA. This study confirmed that 92° would be the best dissociation temperature rather than higher temperatures that are still being used frequently in other studies. Be ides. accurate optimizing of the annealing temperature and extension time had important roles on the sensitivity as well as using milli-Q distilled water rather than double distilled water. Experiments done on MP5 PCR proved that the non- specific products mentioned in previous studie 2 were not eliminated by increasing the annealing temperature, although they disappeared on gel electrophoresis after careful optimization of extension time.
کلیدواژه‌های انگلیسی مقاله
نویسندگان مقاله m hajla | m hajla
from the department of microbiology, faculty of medicine, medical sciences university of hamadan, hamadan. i.r. iran


dp bact | dp bact
from the department of microbiology, faculty of medicine, medical sciences university of hamadan, hamadan. i.r. iran


c c استوری | c c storey
the micrabiology department. university of leeds, leeds. u.k.
نشانی اینترنتی http://mjiri.iums.ac.ir/browse.php?a_code=A-10-298-427&slc_lang=en&sid=en
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Microbiology and Anatomy
نوع مقاله منتشر شده Original Research: Basic Science in Medicine
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