نتایج جستجو برای: multiplex reverse transcriptase pcr rt

تعداد نتایج: 295068  

2008
Phaisan Khawsak Sirichai Phantana Kosum Chansiri

A reverse transcriptase-polymerase chain reaction (RT-PCR) and a single-tube multiplex PCR assay was modified for typing of dengue virus in different geographical areas of Thailand during 2000-2001. A set of primers (D1 and D2) was used to generate the RTPCR product of 511 bp in size which subsequently underwent a single-tube multiplex PCR amplification using the highly specific primers for eac...

Journal: :Journal of biochemistry and molecular biology 2002
Fátima Martel Dirk Gründemann Edgar Schömig

Discrimination between the amplification of mRNA and contaminating genomic DNA is a common problem when performing a reverse transcriptase-polymerase chain reaction (RT-PCR). Even after treatment of the samples with DNAse, it is possible that negative controls (samples in which no reverse transcriptase was added) will give positive results. This indicates that there was amplification of DNA, wh...

Journal: :Clinical and vaccine immunology : CVI 2011
Jesse Papenburg Mariana Baz Marie-Ève Hamelin Chantal Rhéaume Julie Carbonneau Manale Ouakki Isabelle Rouleau Gaston De Serres Guy Boivin

Serology improves influenza diagnosis by capturing cases missed by reverse transcriptase PCR (RT-PCR). We prospectively evaluated microneutralization and hemagglutination inhibition assays for 2009 influenza A (H1N1) virus diagnosis among 24 RT-PCR-confirmed cases and 98 household contacts. Compared to hemagglutination inhibition, microneutralization demonstrated a higher level of concordance w...

Journal: :Applied and environmental microbiology 2008
YoungBin Park You-Hee Cho YoungMee Jee GwangPyo Ko

We developed an immunomagnetic separation (IMS) technique combined with real-time TaqMan reverse transcriptase PCR (RT-PCR), which allowed detection of norovirus at a level as low as 3 to 7 RT-PCR units from artificially contaminated strawberries. The inoculum recovery rate ranged from 14 to 30%. The data demonstrate that IMS combined with real-time RT-PCR will be useful as a rapid and sensitiv...

Journal: :Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc 2006
Dae S Song Bo K Kang Jin S Oh Gun W Ha Jeong S Yang Hyoung J Moon Yong-Suk Jang Bong K Park

A novel multiplex reverse transcription polymerase chain reaction (multiplex RT-PCR) that can detect porcine epidemic diarrhea virus (PEDV), transmissible gastroenteritis virus (TGEV), and porcine group A rotavirus (GAR) was developed. The 3 viruses (PEDV, TGEV, and porcine GAR) are major agents in viral enteric diseases of piglets. As the clinical signs of these diseases are similar, including...

M Hosseini , M Shahidi , M Tabatabaian , M Tavassoti-Kheiri , R Bashar , Z Soltani ,

Background and Aims: Influenza virus is a major pathogen involved in respiratory illnesses during winter seasons. A variety of diagnostic methods have been developed to identify influenza viruses in clinical specimen. Methods: Nasal and pharyngeal samples taken from patients were inoculated into Madin-Darby canine kidney (MOCK) cells and embryonated chicken eggs (ECEs). The culture media was a...

Journal: :Agriculture 2022

Type I trichomes of tomato leaves (Solanum lycopersicum Mill. cv. Moneymaker), as outgrowths the plant epidermis, are suitable for monitoring infection processes powdery mildew species using a high-fidelity digital microscope (DM) without fungal staining. On trichomes, (Pseudoidium neolycopersici L. Kiss) isolate KTP-03 produced maximum four vigorously elongated hyphae per conidium, which stopp...

Journal: :Journal of virological methods 1997
A Chang J M Ostrove R E Bird

A PCR based reverse transcriptase (RT) assay was developed that has 10(4)-fold higher sensitivity than conventional nucleotide incorporation assays and allows discrimination between false positive results generated by cellular polymerases and positives resulting from authentic RT activity. Recently, several reverse transcriptase (RT) assays have been developed where a reverse transcriptase reac...

2013
Fei-Fei Xiong Ben-Shang Li Chun-Xiu Zhang Hui Xiong Shu-Hong Shen Qing-Hua Zhang

Chromosome rearrangements and fusion genes present major portion of leukemogenesis and contribute to leukemic subtypes. It is practical and helpful to detect the fusion genes in clinic diagnosis of leukemia. Present application of reverse transcription polymerase chain reaction (RT-PCR) method to detect the fusion gene transcripts is effective, but time- and labor-consuming. To set up a simple ...

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