Real-time reverse transcription polymerase chain reaction (RT-PCR) is a commonly used technique to analyze gene expression. There has been little research conducted to test if SuperScript III quantitative one-step (reverse transcription carried out in the same tube as PCR) and two-step (reverse transcription carried out in a separate reaction) RT-PCR systems provide similar real-time results. I...

The disease caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) in Wuhan, China, December 2019, has rapidly spread worldwide. SARS-CoV-2 is usually detected via real-time reverse-transcription polymerase chain reaction (RT-PCR). However, the increase specimen load institutions/hospitals necessitates a simpler detection system. Here, we present an ultra-rapid, RT-PCR assay for...

Background: COVID-19 has so far affected millions of people in India. The present study was undertaken to find out the performance and reliability rapid antigen test (RAT) compared reverse transcription polymerase chain reaction (RT-PCR).Methods: pre existing medical conditions clinical signs symptoms were noted. nasopharyngeal swab samples taken for RAT, while both oropharyngeal mixed a steril...

The aim of this study was to produce a sensitive, simple and rapid diagnostic method for the detection of foot-and-mouth disease virus (FMDV) in suspected cases of FMD, a one-step single-tube method of reverse transcription loop-mediated isothermal polymerase amplification (RT-LAMP). A set of six common primers was designed to target the highly conserved region of the RNA polymerase 3Dpol gene ...

BACKGROUND Deoxynucleoside triphosphates (dNTPs) are the normal substrates for DNA synthesis catalyzed by polymerases such as HIV-1 reverse transcriptase (RT). However, substantial amounts of deoxynucleoside diphosphates (dNDPs) are also present in the cell. Use of dNDPs in HIV-1 DNA synthesis could have significant implications for the efficacy of nucleoside RT inhibitors such as AZT which are...

Objective: To establish the accuracy of computed tomography(CT) chest in diagnosis COVID-19 pneumonia by taking reverse transcriptase-polymerase chain reaction(RT-PCR) as a reference standard and to analyze discordant CT RT-PCR results.Materials Methods: A retrospective cross-sectional study patients presented tertiary health care hospital Punjab, Pakistan for examination with suspicion from Ap...

The present study was carried out to detect the circulating Newcastle disease virus (NDV) from various field outbreaks in Assam during 2018-2021. Nine hundred ninety-two clinical and post mortem samples were collected backyard commercial poultry subjected molecular detection by Reverse Transcriptase-Polymerase Chain Reaction (RT-PCR). NDV could be detected 445 (n=757, 58.78%) tissue 53 (n=235, ...

Zika virus (ZIKV) has gained global attention as an etiologic agent of fetal microcephaly and Guillain-Barré syndrome. Existing immuno-based rapid tests often fail to distinguish between Zika and related flaviviruses that are common in affected regions of Central and South Americas and the Caribbean. The US CDC and qualified state health department laboratories can perform the reverse transcrip...

background and aims: accurate and rapid diagnosis is necessary for effective control and prevention of foot-and-mouth disease (fmd). in present study, was evaluated real time reverse transcription-polymerase chain reaction (rrt-pcr) assay along with diagnostic routine methods for the detection of all seven serotypes of fmd virus (fmdv), namely o, c, a, sat1, 2, 3 and asia 1 in biological sample...

background neuroblastoma is the most common extracranial malignant solid tumor in children under 5 years, and it is characterized by wide clinical and biological heterogeneity. n-myc oncogene amplification is considered to be one of the most important prognostic factors used to evaluate survival in these patients. objectives the aim of our study was to determine amplification of the n-myc oncog...