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MyTaq One-Step RT-PCR Kit

Formulated for highly reproducible first-strand cDNA synthesis and subsequent PCR in a single tube.

MyTaq One-Step RT-PCR Kit

Sensitive – incorporates a blend of high-affinity RT and novel MyTaq HS DNA Polymerase, enabling amplification of low-copy number targets from ≥3 pg total RNA

Efficient – novel one-step buffer system maximizes the efficiency of both the reverse transcription and PCR steps, delivering improved yield of any target

Robust – RT tolerates the higher reaction temperatures required to overcome secondary structure, giving reliable detection of even challenging and GC-rich targets

Specific – MyTaq HS DNA Polymerase is an antibody-mediated hot-start enzyme that remains completely inactive during PCR set-up to prevent non-specific amplification

Flexible – utilizes gene-specific primers for full-length reverse transcription and subsequent PCR amplification of any RNA target

Convenient – an all-in-one-tube mastermix that improves the speed, convenience and accuracy of RT-PCR

A 1 kb fragment was amplified in duplicate from serial dilution of mouse total RNA (30 ng, 3 ng, 300 pg, 30pg and 3 pg respectively) using RN18S-1000 primers and the MyTaq One-Step RT-PCR Kit. The completed RT-PCR reactions were analysed on a 1% agarose gel. HyperLadder 50bp (M). The results show that the MyTaq One-Step RT-PCR Kit achieves high–yield, specific amplification from even complex templates.

A 1 kb fragment was amplified in duplicate from a serial dilution of mouse total RNA (10 ng, 2 ng, 400 pg, 80 pg, 16 pg and 3 pg; lanes 1-6 respectively) using RN18S-1000 primers and the MyTaq One-Step RT-PCR Kit. HyperLadder 50bp (M). The reverse transcriptase in the MyTaq One-Step RT-PCR Kit was able to deliver high quality cDNA even at 50°C, over a broad dynamic range.

Product Description

MyTaq™ One-Step RT-PCR Kit incorporates the latest advances in buffer chemistry, including Meridian ultra-pure dNTPs, together with a proprietary reverse transcriptase and MyTaq™ HS, a new generation of antibody-mediated hot-start DNA polymerase. This ensures that MyTaq™ One-Step RT-PCR Kit enables fast, highly-specific and ultra-sensitive amplification of RNA targets for use in a broad range of downstream applications.

MyTaq™ One-Step Kit is ideal for determining the presence or absence of RNA templates and quantifying expression through qualitative or semi-quantitative analysis of RNA transcription levels. The one-step format uses gene specific primers to maximize amplification of these targets, whilst eliminating non-specific amplification, ensuring highly efficient and sensitive transcription from as little as 3 pg total RNA.

MyTaq™ One-Step RT-PCR Kit is perfect for the synthesis of double-stranded cDNA products for subsequent gene expression analysis over a broad temperature range, the use of higher temperatures allows reverse transcription through RNA secondary structure, including difficult and GC-rich sequences. Enhanced amplification of these targets ensures high cDNA yields from all RNA, including total RNA, mRNA, in vitro transcribed RNA, snRNA and viral RNA.

Applications

  • Gene-expression analysis
  • Transcription analysis
  • cDNA cloning
  • Multiplex RT-PCR

Product Specification

Presentation BIO-65048: 25 x 50 µL Reactions: (RT 12.5 µL, Mix 625 µL, RI 25 µL, Water 1.8 mL)
BIO-65049: 100 x 50 µL Reactions: (RT 50 µL, Mix 2x 1.25 mL, RI 100 µL, Water 1.8 mL)
Appearance Clear, colorless solutions
Hot start Antibody mediated
Application Gene-expression analysis, Transcription analysis, cDNA cloning, Multiplex RT-PCR
Sample type Total RNA, mRNA
Presentation 4 vials / 5 vials
Storage -20 °C
Mix stability See outer label
Specific Activity Mix 2x, RI 10 u/µL
Functional Single distinct bands of PCR product on an agarose gel
DNA Contamination No detectable product in a qPCR assay
DNase Contamination No detectable degradation
RNase Contamination No detectable degradation

Product Ordering

Cat. No.              Size

BIO-65048           25 Reactions

BIO-65089          100 Reactions

Product Support Material

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When we compared the performance of our routine supplier’s RTase against Meridian’s M...

University of Adelaide, Australia

FAQs:

MyTaq One-Step RT-PCR Kit

What is the difference between a one-step and a two-step real-time PCR reaction?
In a one-step reaction the reverse transcription reaction and the real-time PCR reaction are done in one tube, making this a closed tube assay, so contamination can be avoided. It saves pipetting steps and time and is easy in handling, making it ideal for high throughput screening. In a two-step reaction the reverse transcription reaction and the real-time PCR reaction are done in separate tubes. It gives a more flexible way of working in that the cDNA can be used for more than one real-time PCR reaction and can be archived, eliminating the need to continually isolate RNA. For convenience Meridian sells the SensiFAST cDNA Synthesis Kit separately if you wish to take a two-step approach.
I am having problems optimizing my PCR, what would you recommend?
PCR can be a challenging technique, with various parameters to optimize to achieve the best results. If you are having problems, these could be easily resolved by addressing a few issues. Please see our PCR troubleshooting guide for suggestions and help with your specific problems. Observation Recommended Solution(s) No or low PCR yield Enzyme concentration too low – increase the amount of enzyme in 0.5 U increments. Primers degraded – check quality and age of the primers. Magnesium concentration too low – increase concentration in 0.25 mM increments with a starting concentration of 1.75 mM. Primer concentration not optimized. Titrate primer concentration (0.3-1 µM); ensuring that both primers have the same concentration. Template concentration too low – Increase concentration of template. Perform a positive control to ensure that the enzyme, dNTPs and buffers are not degraded and/or contaminated. Multiple Bands Primer annealing temperature too low. Increase annealing temperature. Primer annealing should be at least 5°C below the calculated Tm of primers. Prepare master mixes on ice or use a heat-activated polymerase. For problems with low specificity. Try adding 3% DMSO (not supplied) to improve specificity. Smearing or artifacts Template concentration too high. Prepare serial dilutions of template. Too many cycles. Reduce the cycle number by 3-5 to remove non-specific bands. Enzyme concentration too high - decrease the amount of enzyme in 0.5 U increments. Extension time too long. Reduce extension time in 0.5-1 minute increments.
What are the benefits of using a hot-start polymerase?
During PCR setup at room temperature, standard polymerases will have some activity. When using a hot-start polymerase, this enzyme will have no activity at room temperature, thus reducing the risk of unspecific products in the reaction due to these mis-primed oligonucleotides. This feature makes this type of polymerase ideally suited to high-throughput applications, where the reactions may be left sitting at room temperature for prolonged periods of time.

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