نتایج جستجو برای: pcr using specific primers of virus type produced only a specific band sized 324 bp
تعداد نتایج: 23641701 فیلتر نتایج به سال:
quick identification of vibrio cholerae in epidemics is important, on the other hand; conventional methods are time-consuming and costly. the aim of this study was to develop a rapid, inexpensive and high sensitivity method for quick identification of vibrio cholerae . for this purpose we designed a pcr detection based on magnetic nanoparticles for identification of bacterial dna by p...
Introduction: ESBL is an important factor in antibiotic resistance. Antibiotic resistance has been proposed as a global problem in recent decades and it causes many deaths all over the world; therefore, rapid and accurate diagnosis can be major step in solving this problem. This study aimed to identify SHV-type gene with PCR method. Methods and Materials: SHV gene sequ...
Background and Aims: Newcastle disease virus (NDV) is an avian paramyxovirus (A-PMV 1) and one of the major pathogens in poultries. Vaccination is intended to control the disease, nevertheless this virus is a growing threat to the poultry industry. So, early detection of the virus can prevent the spread of illness and avoid huge economic losses. Towards this goal, in this research, we develop...
In this study, the full-length M2 gene of the avian influenza virus (H9N2) was isolated, analyzed and studied in detail. Total RNA was extracted and cDNA of the M2 mRNA was obtained by reverse transcriptase polymerase chain reaction (RT-PCR) using random hexamer oligoes; specific primers were used for amplification of the M2 open reading frame (ORF) region. PCR was able to amplify the desirable...
influenza a virus is now considered to be widespread in poultry and has demonstrated the ability to infect humans in iran. for laboratory diagnosis of these respiratory viruses, it is essential to have rapid methods, able to detect viruses in early stages of the infection in clinical specimens. the real-time reverse-transcription polymerase chain reaction n (rrt-pcr) assay has been established ...
1- in a search directed to the reaction of compound)23(the cycloaddition reaction of 1,3- diphenylisobenzofurane)14(with p-benzoquinone)19(,followed by addition of cyclopentadiene was carried out.the specific spacial stracture of its ir,nmr,mass spectra. 2- in another attempt the kinetic stability and behavior of compounds)20(and)23(was studied.the main subject of this study was the highly reve...
Backgrounds and Aims: Coxsakievirus B3 (CVB3), one of the six Coxsakievirus B serotypes, is a member of the Enterovirus genus within the Picornaviridae family. CVB3 is an important pathogen of viral myocarditis, which accounts for more than 50% of viral myocarditis cases. The genome of CVB3, like that of other Entroviruses, is a single-stranded, sense, polyadenylated RNA molecule with 7400 nucl...
In recent years, the symptoms of viral diseases such as dwarfism, mosaic, discoloration, necrosis, and circular spots have been prevalent in ornamental plants in parks, gardens, and streets in North Khorasan Province. Tomato ring spot virus (ToRSV) belongs to the Nepovirus genus of Secoviridae family. This virus is a major cause of the infection of ornamental plants in the world. In this study,...
Introduction: Contamination with high-risk human papillomavirus (HPV) is one of the most important risk factors for developing cervix cancer. Since there is no possibility of detecting the virus and its subtypes by using current biochemical and serological methods and cell culture, the molecular methods such as multiplex PCR have particular importance in accurate, early and definite diagnosis o...
objectives: strr is a putative pathway specific regulator of streptomycin production in streptomyces griseus. because of finding new spo0j domain in strr by bioinformatics methods, the purpose of this study was to suggest another role for strr gene. this domain can be seen in proteins that are involved in initiation of sporulation and normal chromosome partitioning. so, 51 bps of strr in accord...
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