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NEB/WarmStart® RTx Reverse Transcriptase/250 reactions/M0380L
  • NEB/WarmStart® RTx Reverse Transcriptase/250 reactions/M0380L

NEB/WarmStart® RTx Reverse Transcriptase/250 reactions/M0380L

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货号: M0380L
品牌: NEB
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    • WarmStart RTx Reverse Transcriptase is a unique in silico designed RNA-directed DNA polymerase coupled with a reversibly-bound aptamer that inhibits RTx activity below 40°C. This enzyme can synthesize a complementary DNA strand initiating from a primer using RNA (cDNA synthesis) or single-stranded DNA as a template. RTx is a robust enzyme for RNA detection in amplification reactions and is particularly well suited for use in LAMP (loop-mediated isothermal amplification). The WarmStart property enables high throughput applications, room temperature setup, and increases the consistency and specificity of amplification reactions. RTx contains intact RNase H activity.
      Improved Speed and Sensitivity in RT-LAMPImproved Speed and Sensitivity in RT-LAMP
      RT-LAMP reactions with Bst 2.0 WarmStart DNA Polymerase and the indicated reverse transcriptase were incubated at 65°C with 1 pg - 100 ng of Jurkat total RNA. Reactions were monitored with real-time fluorescence, and the resulting curves are shown on left, with the corresponding threshold times on right. WarmStart RTx provides faster reaction threshold times for improved consistancy and sensitivity with lower input RNA amounts. RT-LAMP reactions performed with AMV Reverse Transcriptase resulted in inconsistent detection, as indicated by wide variation at lower RNA input concentrations (blue curves).
      Sensitive Detection with Reduced False Negatives
      Total RNAWarmStart RTxAMV RT
      100 ng3/33/3
      10 ng3/33/3
      1 ng3/33/3
      100 pg3/32/3
      10 pg3/32/3
      1pg3/31/3
      RT-LAMP reactions were performed with WarmStart RTx and AMV Reverse Transcriptase with total RNA at 6 input concentrations. Positive detection, indicated by fluorescent detection with a twenty-minute reaction time, was achieved down to 1 pg of total input RNA. Use of AMV resulted in false negatives when total RNA was 100 pg or lower.
      WarmStart Control of WarmStart RTxWarmStart Control of WarmStart RTx
      cDNA synthesis was performed for 10 minutes followed by qPCR analysis. Resulting Cts were normalized against both a "no RT" control for 0% activity and the fastest Ct for 100% activity. WarmStart RTx is inhibited by a reversibly-bound aptamer at temperatures below 40°C.
      Robust RT-LAMP Across a Range of TargetsRobust RT-LAMP Across a Range of Targets
      A variety of RT-LAMP targets were amplified using Bst 2.0 WarmStart DNA Polymerase and the indicated reverse transcriptase. Reactions with WarmStart RTx resulted in faster threshold times and more consistent reaction success across a range of targets and copy number.
      This product is related to the following categories:
      RT-PCR Products,
      Reverse Transcriptases & RT-PCR Products,
      cDNA Synthesis & Reverse Transcriptases Products
      This product can be used in the following applications:
      Strand Displacement Amplification & Nicking Enzyme,
      cDNA Synthesis,
      Reverse Transcription (cDNA Synthesis),
      Loop-Mediated Isothermal Amplification,
      RT-PCR & cDNA Synthesis,
      RT-qPCR, RT-PCR and cDNA Synthesis,
      Isothermal Amplification,
      PCR
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