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SensiFAST cDNA Synthesis Kit

To complement the SensiFAST™ Probe and SYBR® kits, Meridian has developed the SensiFAST cDNA Synthesis Kit.

SensiFAST cDNA Synthesis Kit

Efficient – high-target affinity, coupled with a novel TransAmp buffer system for improved yield of full-length cDNA

Unbiased – optimized mix of random hexamers and anchored oligo dT primers for complete 5’ to 3’ RNA sequence representation

Sensitive – lower Ct values from a broad range of input cDNA concentrations, enabling accurate detection of very low-copy targets

Robust – reliable reverse transcription under challenging conditions, including complex templates and in the presence of inhibitors

Fast – high-yield reverse transcription from a very broad of targets in as little as 5 minutes

Fig. 1 Speed and sensitivity

SensiFAST cDNA Synthesis Kit and a kit from supplier B were used for reverse transcription of a specific target from total RNA under fast conditions. The results illustrate that the SensiFAST cDNA Synthesis Kit (red) is more sensitive than the kit from supplier B (blue), as judged by the lower Ct values.

Fig. 2 Reproducibility of SensiFAST cDNA Synthesis Kit

SensiFAST cDNA Synthesis Kit was employed in 48 independent first-strand reactions, containing 100 ng total RNA and another 48 reactions containing 100 pg. The resultant first-strand product from each RT reaction was used in triplicate qPCR assays. The results demonstrate the excellent reproducibility of SensiFAST cDNA Synthesis Kit at high and low input RNA, as judged by the same Ct values.

Fig. 3 Unbiased representation across target genes

SensiFAST cDNA Synthesis Kit and a kit from supplier B were for reverse transcription of a specific target from total RNA. Primer pairs were then designed against the transcript at 1 kb intervals and used in qPCR reaction with SensiFAST SYBR® No-ROX. The consistent Ct values show that, unlike the results from supplier B (blue), the SensiFAST cDNA Synthesis Kit (red) did not show any bias across the target.

Fig. 4 Speed of SensiFAST cDNA Kit

SensiFAST cDNA Synthesis Kit was used for reverse transcription of a specific target from a 10-fold serial dilution of total RNA, for either 5 min (blue) or 60 min (red) at 42 °C. The results illustrate the high efficiency of reverse transcription over a broad linear dynamic range under both standard and fast conditions.

Product Description

The SensiFAST™ cDNA Synthesis Kit provides a rapid and sensitive method for first-strand cDNA synthesis, which displays excellent linearity across a wide range of starting material. This gives the same relative representation in cDNA templates, regardless of gene abundance, making it excellent for use in qPCR studies.

SensiFAST cDNA Synthesis Kit contains a highly-pure reverse transcriptase and optimized TransAmp™ buffer system, which includes a unique blend of random hexamers and anchored oligo (dT) primers to deliver the highest quality qPCR ready cDNA. This makes the SensiFAST cDNA Synthesis Kit ideal for working with limited sample volumes, such as laser-micro dissected samples and tissue biopsies (down to 1 pg of input RNA), to reverse transcribe precious RNA into stable cDNA ready for accurate real-time quantification. The unique blend of random hexamer primers and anchored oligo dT in the TransAmp Buffer also ensure unbiased 3’ and 5’ coverage and reverse transcription of all regions.

SensiFAST cDNA Synthesis Kit can be used with SensiFAST Probe and SensiFAST SYBR® Kits for fast real-time RT-qPCR without compromising on quality, giving real-time results in less than an hour.

Applications

  • Gene expression analysis
  • Tissue biopsy analysis
  • miRNA profiling / quantification
  • RNA target detection
  • Pathogen detection

Product Specification

Presentation BIO-65053 50 Reactions (RT 50 µL, Buffer 200 µL)
BIO-65054 250 Reactions (RT 250 µL, Buffer 1 mL)
Appearance Clear, colorless solutions
Application Gene expression analysis, tissue biopsy analysis, miRNA profiling / quantification, RNA target detection, pathogen detection
Sample type Total RNA or mRNA
Presentation 2 vials
Storage -20 °C
Mix stability See outer label
Functional qPCR tested product
DNA Contamination None detected in PCR amplification with traces overlay with the negative control on E. coli and mouse genomic DNA specific targets.
DNase Contamination No detectable degradation
RNase Contamination No detectable activity

Product Ordering

Cat. No.              Size

BIO-65053         50 Reactions

BIO-65054        250 Reactions

Product Support Material

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We have been using Meridian products (especially the Isolate II RNA mini Kit, ...

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We recently trialled Meridian's SensiFAST cDNA Synthesis Kit and the ...

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FAQs:

SensiFAST cDNA Synthesis Kit

What are the differences / recommended applications for the SensiFAST and Tetro cDNA Synthesis kits?
The SensiFAST cDNA Synthesis Kit has been designed for rapid generation and unbiased coverage of cDNA, especially for subsequent quantification with real-time PCR. The optimized 5x TransAmp buffer includes all necessary components for cDNA synthesis, including a unique blend of oligo dT and random hexamer primers and the RiboSafe RNase Inhibitor. The Tetro cDNA Synthesis Kit is the more flexible solution. You selects the desired setup, especially the desired RT primer. The Tetro Kit is optimized to work over a wide range of RNA concentrations and to obtain full length cDNA, which can be used for two-step PCR assays as well. Tetro is the recommended Kit for the generation of cDNA libraries and cloning.
I want to generate cDNA from RNA with high secondary structure. What do I have to consider?
For SensiFAST cDNA Synthesis Kit: The TransAmp Buffer already contains reverse transcriptase enhancers that reduce complex RNA secondary structure. For templates that have a high degree of structure, such as viral RNA and some plant RNA, we suggest using an additional 15 minute 48°C incubation step as mentioned in the manual. For Tetro cDNA Synthesis Kit: For samples with high secondary structure we suggest to denature the RNA template with primers prior to the reaction set-up. Furthermore, it is necessary to optimize the incubation time and temperature. The temperature of the RT step may be raised up to a maximum of 48°C.
What would be the recommended amount of cDNA generated with these kits to use in PCR reactions? What are common recommendations for sample dilution?
The necessary amount of cDNA template for PCR or qPCR reactions may vary from the range of pg up to several hundred ng. It depends among other things on the analyzed target, the used application and sample characteristics. If you do not have empirical values for your assays please use the recommended amounts in the manuals of your PCR or qPCR assays and optimize if necessary.
Is it possible to use gene specific primer for cDNA synthesis with Meridian kits and what are the advantages?
It is not possible for the SensiFAST cDNA Synthesis Kit. Random Hexamer and oligo dT primer are already included in the optimized TransAmp buffer. It is possible to use gene specific primer for the Tetro cDNA Synthesis Kit to generate cDNA for specific target.

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