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Iranian Journal of Public Health، جلد ۳۸، شماره ۴، صفحات ۲۹-۳۴
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چکیده فارسی مقاله
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عنوان انگلیسی Multiplex Reverse Transcription-PCR Assay for Detection of Type A Influenza Virus plus Differentiation of Avian H7 and H9 Hemagglutinin Subtypes in Iran
چکیده انگلیسی مقاله Background : Avian influenza virus (AIV) infection is a major cause of bird and human morbidity and mortality. We aimed to evaluate a specific and sensitive multiplex RT-PCR that can simultaneously detect influenza type A viruses and differenti­ate the two most important subtypes of avian influenza viruses H7 and H9 subtypes. Methods : A multiplex reverse transcriptase-polymerase chain reaction (mRT-PCR) was developed and optimized for the detec­tion of type A influenza virus. Simultaneously avian H7 and H9 hemagglutinin subtypes was differentiated. Three sets of specific oligonucleotide primers were used in this test for type A influenza virus, H7 and H9 heamagglutinin subtypes. Results : The mRT-PCR DNA products were visualized by gel electrophoresis and consisted of fragments of 313 bp for H7 and 428 bp for H9 hemagglutinin subtypes, and 101 bp for type A influenza virus. The common set of primers for type A influ­enza virus were able to amplify a 101 bp DNA band for any of the other subtypes of influenza A virus. Conclusion : The mRT-PCR assay developed in this study was found to be sensitive and specific. No specific amplification bands of the same sizes (313 and 428 bp) could be amplified for RNA of other influenza hemagglutinin subtypes, nor spe­cific amplification bands of type A influenza (101 bp) for Influenza B, C, or other viral or bacterial pathogens tested in this study.
کلیدواژه‌های انگلیسی مقاله Multiplex RT-PCR, Hemagglutinin H7, H9, Influenza A, Iran
نویسندگان مقاله e صابرفر | e saberfar


اکبر نجفی | a najafi


z گودرزی | z goodarzi


h لشینی | h lashini


نشانی اینترنتی http://ijph.tums.ac.ir/index.php/ijph/article/view/3147
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