KAPA SYBR® FAST qPCR Kits

Containing the first DNA polymerase evolved for real-time PCR.

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KAPA SYBR® FAST qPCR Kits are designed for the highest performance in real-time PCR. Kits contain a novel DNA polymerase engineered through a process of molecular evolution - the result is a unique enzyme, specifically evolved for qPCR using SYBR® Green I dye chemistry.

The KAPA SYBR® DNA Polymerase was engineered to perform optimally in stringent real-time qPCR reaction conditions, exhibiting dramatic improvements to signal-to-noise ratio (fluorescence), cycle threshold (Ct), linearity, and sensitivity. The KAPA SYBR® DNA Polymerase and proprietary buffer system enhances the amplification efficiency of difficult templates, including both GC-rich and AT-rich templates.

I lead genome-wide studies on RNA (gene expression and alternative splicing) and DNA (SNPs and copy number variation) and real-time PCR is a key player for validating our results. I switched to the KAPA SYBR® FAST qPCR Kit from Kapa Biosystems because I noticed a significant improvement in PCR reaction efficiency - the kit works very nicely for the vast majority of primers we design without optimization and for all our various applications. This universality makes our real-time PCR assays very fast to establish and our results more reliable.

- Dr. Philippe Demouging, Department of Molecular Psychology, University of Basel, Switzerland

Application Note: Fast Real-Time PCR

Kapa Biosystems and Eppendorf North America released a new application note on the use of KAPA SYBR® FAST qPCR Kits and the Eppendorf Mastercycler® ep realplex for high-throughput fast qPCR.

Application Note: Gene Expression Analysis

KAPA SYBR® FAST qPCR Kits are formulated for the highest performance in gene expression analysis. For more information on the use of KAPA SYBR® FAST for gene expression download the new application notes.

Product Description

KAPA SYBR® FAST qPCR Kits are supplied as a ready-to-use cocktail containing all components except primers and template, for the amplification and detection of DNA in qPCR.

The KAPA SYBR® FAST qPCR Kit is supplied as a 2x Master Mix with integrated antibody-mediated hot start, SYBR® Green I fluorescent dye, MgCl2, dNTPs, and stabilizers. ROX reference dye is included in the ABI Prism® Master Mix (2X), and supplied in separate tubes in the Universal Master Mix (2X). Fluorescein reference dye is included in the Bio-Rad iCycler Master Mix (2x). The KAPA SYBR® FAST qPCR Master Mix (2X) optimized for the Roche LightCycler® 480 does not contain reference dye.

KAPA SYBR® FAST qPCR Kits are intended for use on all real-time instruments and protocols.

Product Applications

KAPA SYBR® FAST qPCR Kits are ideally suited for:

  • Gene expression analysis
  • Low copy gene detection
  • Microarray validation
  • Gene knockdown validation
  • High-throughput qPCR
  • ChIP
  • Next-generation DNA sequencing library quantification

High performance gene expression analysis

The improved speed, processivity and robustness of KAPA SYBR® FAST qPCR Kits results in consistently high amplification efficiencies required for accurate relative quantification. To demonstrate the high performance of KAPA SYBR® FAST for gene expression analysis, the reaction efficiencies obtained for ten commonly used housekeeping genes in the human breast cancer cell line, MCF-7, were compared. The KAPA SYBR® FAST qPCR Kit achieved consistently high amplification efficiencies (95 – 104%) across all ten genes, despite differences in amplicon length.

No bias in amplification efficiency relative to GC content (44.2 – 62.5%) or amplicon length (86 – 249 bp) is observed with KAPA SYBR® FAST. Amplification efficiencies achieved for ten housekeeping genes with the KAPA SYBR® FAST Universal qPCR Kit, plotted against GC content (top) or amplicon length (bottom). The reaction efficiency achieved for each of the ten genes fell within the optimal range of 95 –105%, independent of the nature or length of the amplicon.

Typical results achieved with KAPA SYBR® FAST qPCR Kits in the amplification of housekeeping genes for gene expression analysis. Two housekeeping genes (ActB and HPRT1) were amplified from log-fold serial dilutions of MCF-7 cDNA (100 ng - 10 pg/reaction) using the KAPA SYBR® FAST Universal qPCR Kit (green) or the Invitrogen Express SYBR® GreenER™ Kit (blue). Linear amplification plots (top) demonstrate earlier Ct scores and greater baseline subtracted fluorescence for both the ActB and HPRT1 genes with the KAPA SYBR® FAST Kit. Calculated reaction efficiencies (bottom) confirmed that the consistently high performance required for accurate expression quantitation is achievable with the KAPA SYBR® FAST qPCR Kit (EActB = 100% and EHPRT1 = 104%). Efficiencies obtained with the Invitrogen Express SYBR® GreenER™ Kit were sub-optimal for both housekeeping genes (EActB= 107% and EHPRT1= 115%).

Superior signals, Ct values, and reaction efficiencies

The high performance of the KAPA SYBR® FAST qPCR kit can been seen when compared to other leading Fast qPCR Mater Mixes. KAPA SYBR® FAST consistently produces higher signal, earlier Cts, and 100% reaction efficiencies.

A 290 bp fragment of the human beta-actin gene was amplified from a set of five 10-fold dilutions of human genomic DNA (20 ng to 2 pg) using KAPA SYBR® FAST qPCR Master Mix (green) or fast qPCR competitor kits (ABI Power SYBR® Green qPCR Master Mix, orange; Qiagen QuantiFast qPCR Master Mix, purple; and Invitrogen SYBR® GreenER™ qPCR SuperMix, blue). Reactions were performed according to each competitors’ suggested protocol on an ABI Prism® 7900 HT real-time cycler.

High speed and high performance

High speed does not compromise performance with the KAPA SYBR® FAST qPCR kits. As can been seen from the amplification plots and standard curves there is no loss in performance between fast and conventional cycling conditions even with complex targets.

 Standard CyclingFast Cycling
Activation: 5 min @ 95°C 3 min @ 95°C
PCR Cycling: 15 s @ 95°C 1 sec @ 95°C
  60s @ 60°C 20s @ 60°C
Cycle Time: 40 cycles = 55 min 40 cycles = 14 min
Elapsed Time: 1hr. 30 min 40 min
RotorGene 6000HRM 5 runs/ 8hr shift 12 runs/8hr shift

Human coagulation factor V (F5) was amplified from log-fold dilutions of human genomic DNA (20 ng-2 pg) using KAPA SYBR® FAST qPCR Master Mix, with fast cycling protocol, or with conventional cycling conditions. There is no loss in performance between fast and conventional cycling conditions even with complex targets. Although the proprietary antibody hot start is activated after 20 seconds at 95°C, 3 min initial activation at 95°C is recommended for optimal denaturation of complex targets.

Highest performance on Roche LightCycler® 480

KAPA SYBR® FAST qPCR Master Mix (2x) is specifically formulated for the highest performance on the Roche LightCycler® 480 instrument. A dramatic loss in performance of the Roche LightCycler® 480 SYBR® Green I Master kit was observed as the extension time at 72°C was reduced from 6 sec to 1 sec. There was no loss in performance of the KAPA SYBR® FAST qPCR Master Mix (2x) Kit optimized for the Roche LightCycler® 480.

Human B-actin (290 bp) was amplified from log-fold dilutions of human genomic DNA (20 ng to 2 pg) using KAPA SYBR® FAST qPCR Master Mix (2x) Roche LightCycler® 480 or Roche LightCycler® 480 SYBR Green I Master kit (Roche). Comparisons were performed according to the competitor protocol A: Roche protocol: 95°C, 5 min followed by 40 cycles of 95°C, 10 sec; 60°C, 15 sec; 72°C, 6 sec; or B: KAPA SYBR® FAST Protocol: 95°C 3 min followed by 40 cycles of 95°C, 10 sec; 60°C, 15 sec; 72°C, 1 sec.

Highest fluorescence and earliest Ct

The KAPA SYBR® FAST qPCR kit displays the highest fluorescence and earliest Ct values from a range of AT and GC-rich amplicons.

Human B-actin, human coagulation factor V (F5), and HPRT1 targets were amplified from 20ng (5900 copies) of human genomic DNA on an ABI Prism® 7900 HT sequence detection system. Values represent an average of triplicates.

License Information

Certain applications of this product are covered by patents issued to parties other than Kapa Biosystems and applicable in certain countries. Purchase of this product does not include a license to perform any such applications. Users of this product may therefore be required to obtain a patent license depending upon the particular application and country in which the product is used.

Use of this product is covered by one or more of the following US patents and corresponding patent claims outside the US: 5,994,056, 6,171,785, and 5,928,907 (claim numbers 12-24, 27-28). The purchase of this product includes a limited, non-transferable immunity from suit under the foregoing patent claims for using only this amount of product for the purchaser’s own internal research. No right under any other patent claim (such as apparatus or system claims in US Patent No. 6,814,934) and no right to perform commercial services of any kind, including without limitation reporting the results of purchaser's activities for a fee or other commercial consideration, is conveyed expressly, by implication, or by estoppel. This product is for research use only.  Diagnostic uses under Roche patents require a separate license from Roche. Further information on purchasing licenses may be obtained by contacting the Director of Licensing, Applied Biosystems, 850 Lincoln Centre Drive, Foster City, California 94404, USA.

This product is provided under an agreement between Molecular Probes, Inc. and Kapa Biosystems Inc., and the manufacture, use, sale or import of this product is subject to one or more of U.S. Patent Nos. 5,436,134; 5,658,751 and corresponding international equivalents, owned by Molecular Probes, Inc. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product in research conducted by the buyer, where such research does not include testing, analysis or screening services for any third party in return for compensation on a per test basis. The buyer cannot sell or otherwise transfer (a) this product (b) its components or (c) materials made using this product or its components to a third party or otherwise use this product or its components or materials made using this product or its components for Commercial Purposes. Commercial Purposes means any activity by a party for consideration and may include, but is not limited to: (1) use of the product or its components in manufacturing; (2) use of the product or its components to provide a service, information, or data; (3) use of the product or its components for therapeutic, diagnostic or prophylactic purposes; or (4) resale of the product or its components, whether or not such product or its components are resold for use in research. For information on purchasing a license to this product for purposes other than research, contact Molecular Probes, Inc., Business Development, 29851.

Licensed under U.S. Patent nos. 5,338,671 and 5,587,287 and corresponding patents in other countries.

The purchase of this product includes a limited, non-transferable license under specific claims of U.S. Patent Nos. 6,174,670, 6,569,627 and 5,871,908, owned by the University of Utah Research Foundation or Evotec Biosystems GmbH and licensed to Idaho Technology, Inc. and Roche Diagnostics GmbH, to use only the enclosed amount of product according to the specified protocols.  No right is conveyed, expressly, by implication, or by estoppel, to use any instrument or system under any claim of U.S. Patent Nos. 6,174,670, 6,569,627 and 5,871,908, other than for the amount of product contained herein.

SYBR® is a registered trademark of Molecular Probes, Inc, Oregon. PRISM® and GeneAmp® are registered trademarks of Applera Corporation. iCycler®, Mx3000P®, Mx3005™, Mx4000®, Roto-Gene™, DNA Engine Opticon™, Chromo 4™, LightCycler® , and Smart Cycler® are trademarks or registered trademarks of their respective companies.