Category: Culture Cells
Identification and validation of reference genes for RT-qPCR analysis in fetal rat pancreas
The selection of reference gene is essential for quantitative reverse transcriptase-polymerase chain response (RT-qPCR) assay. To display screen and decide the appropriate reference genes in fetal rat pancreas, we chosen eight candidate reference genes (Gapdh, Actb, Rn18 s, B2m, Rpl13a, Tbp, Ywhaz and Ubc), and evaluated the fidelity of gene expression from fetal rat pancreases…
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An optimized stepwise algorithm combining rapid antigen and RT-qPCR for screening of COVID-19 patients
Background & intention: We investigated the mixture of speedy antigen detection (RAD) and RT-qPCR assays in a stepwise process to optimize the detection of COVID-19. Strategies: From August 2020 to November 2020, 43,399 sufferers had been screened in our laboratory for COVID-19 diagnostic by RT-qPCR utilizing nasopharyngeal swab. General, 4,691 of the 43,399 had been discovered to…
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maxRatio improves the detection of samples with abnormal amplification profiles on QIAgen’s artus HIV-1 qPCR assay
Background: Correct viral load (VL) willpower is paramount to find out the efficacy of anti-HIV-1 remedy. The standard methodology used, fit-point (FP), assumes an equal effectivity within the polymerase chain response (PCR) amongst samples which may not maintain for low-input templates. Another strategy, maxRatio, was launched to compensate for inhibition in PCR. Strategies: Herein, we assessed whether or…
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A New Specific and Sensitive RT-qPCR Method Based on Splinted 5′ Ligation for the Quantitative Detection of RNA Species Shorter than microRNAs
Not too long ago, we found a brand new household of unusually brief RNAs mapping to five.8S ribosomal RNA (rRNA) and which we named dodecaRNAs (doRNAs), based on the variety of core nucleotides (12 nt) their members include. To verify these small RNA-sequencing (RNA-Seq) knowledge, validate the existence of the 2 overly ample doRNAs-the minimal…
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Establishment of a duplex real-time qPCR method for detection of Salmonella spp. and Serratia fonticola in fishmeal
Salmonella spp. is a high-risk bacterial pathogen that’s monitored in imported animal-derived feedstuffs. Serratia fonticola is the bacterial species most often confused with Salmonella spp. in conventional identification strategies primarily based on biochemical traits, that are time-consuming and labor-intensive, and thus unsuitable for each day inspection and quarantine work. On this examine, we established a…
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DNA aptamers against bacterial cells can be efficiently selected by a SELEX process using state-of-the art qPCR and ultra-deep sequencing
DNA aptamers generated by cell-SELEX towards bacterial cells have gained elevated curiosity as novel and cost-effective affinity reagents for cell labelling, imaging and biosensing. Right here we describe the choice and identification of DNA aptamers for bacterial cells utilizing a mixed method based mostly on cell-SELEX, state-of-the-art functions of quantitative real-time PCR (qPCR), next-generation sequencing…
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Roadblock-qPCR: A simple and inexpensive strategy for targeted measurements of mRNA stability
The steadiness of mRNAs is key to figuring out expression degree and dynamics. Nonetheless, present approaches for measuring transcript half-lives (e.g. transcription shutoff) are usually poisonous or technically advanced. Right here we describe an alternate technique for focused measurements of endogenous mRNA stability that’s easy, cheap, and non-toxic. Cells are first metabolically labelled with the…
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Monitoring and Surveillance of Aerial Mycobiota of Rice Paddy through DNA Metabarcoding and qPCR
The airborne mycobiota has been understudied compared with the mycobiota current in different agricultural environments. Conventional, culture-based strategies enable the research of a small fraction of the organisms current within the ambiance, thus lacking vital data. On this research, the aerial mycobiota in a rice paddy has been examined throughout the cropping season (from June…
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The MRD disk: automated minimal residual disease monitoring by highly sensitive centrifugal microfluidic multiplex qPCR
We current a proof-of-principle research on automated, extremely delicate and multiplexed qPCR quantification by centrifugal microfluidics. The MRD disk can be utilized for standardisation of repetitive, longitudinal assays with excessive necessities on reproducibility and sensitivity, equivalent to most cancers monitoring. In distinction to high-throughput qPCR automation by cumbersome and costly robotic workstations we make use…
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