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Zymo Research
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EZ DNA Methylation-Gold Kit
Highlights
Complete bisulfite conversion of DNA in less than 3 hours.
Desulphonation and recovery of bisulfite-treated DNA with a spin column.
Recovered DNA is ideal for downstream analyses such as PCR, endonuclease digestion, sequencing, microarrays, etc.
서한형 대리

Zymo Research 제품 담당자

경신과학(주)

영업부

H.P) 010-8832-6303

HanHyung Seo

Zymo Research Brand Manager

Kyongshin scientific Co., Ltd.

Sales Department

H.P) 82)10-8832-6303

제품소개

Highlights

  • Complete bisulfite conversion of DNA in less than 3 hours.
  • Desulphonation and recovery of bisulfite-treated DNA with a spin column.
  • Recovered DNA is ideal for downstream analyses such as PCR, endonuclease digestion, sequencing, microarrays, etc.



Product Description


The EZ DNA Methylation-Gold Kit is a refinement of our popular EZ DNA Methylation kit and uses heat denaturation instead of chemical denaturation of the input DNA. This allows for the denaturation and bisulfite conversion steps to be consolidated into one step, leading to a much-reduced incubation time. Recovered bisulfite-converted DNA is ideal for PCR amplification for downstream analyses including endonuclease digestion, sequencing, microarrays, etc.

Technical Specifications

ApplicationsPurified, converted DNA is of high-quality and well-suited for downstream processes, including library preparation for Next-generation sequencing, PCR amplification, etc.
Conversion>99%
Elution Volume≥ 10 µl
EquipmentMicrocentrifuge and thermocycler with heated lid
Input500 pg - 2 µg of DNA.
Processing Time3 hours
Recovery>75%
Sample SourcePurified genomic DNA, endonuclease-digested DNA, linearized plasmid DNA, etc. DNA should be high-quality and RNA-free.

Resources


Q1: Tips for bisulfite primer design?
Q2: Is an incubation with desulphonation buffer for longer than 20 minutes recommended?

Leaving the desulphonation buffer on the column longer than recommended will cause more degradation and subsequently result in lower yields.

Q3: Does bisulfite conversion only occur in a CpG context?

Bisulfite conversion will work regardless of context, so the kits are compatible with genomic DNA derived from plants and other species with high non-CpG methylation levels.

Q4: Which polymerase is recommended for amplification from bisulfite converted DNA?

ZymoTaq DNA Polymerase has been specifically designed for use in bisulfite amplification reactions. ZymoTaq is available as a stand-alone polymerase (E2001/E2002), PreMix (E2003/E2004), and qPCR PreMix (E2054/E2055).

Q5: What is the minimum DNA size that can be recovered?

> 50 bp.

Q6: How to quantify converted DNA?

For best results, keep the method of quantification consistent before and after bisulfite treatment:

  • If quantifying with a NanoDrop, use dsDNA settings (50 μg/ml for Ab260 = 1.0) before treatment and use RNA settings (40 μg/ml for Ab260 = 1.0) after treatment.
  • If quantifying with Qubit, use a dsDNA assay before treatment and use a ssDNA assay after treatment.
Following bisulfite treatment of DNA, nonmethylated cytosine residues are converted into uracil. The recovered DNA is typically A, U, and T-rich. The original base-pairing no longer exists. Instead, the converted DNA is single stranded with limited non-specific base-pairing at room temperature. Therefore, traditional dsDNA methods of quantification will not accurately represent the amount of recovered bisulfite converted DNA.
Q7: How to visualize converted DNA?

Following bisulfite treatment, DNA will be single stranded with limited non-specific base pairing at room temperature. To visualize, run the converted DNA on an agarose gel then chill the gel on ice or in an ice bath for 30 minutes. This will force enough base-pairing to allow intercalation of the ethidium bromide for the DNA to be visible. If using a Bioanalyzer or TapeStation instrument, use RNA kits and reagents to visualize the converted DNA.

Q8: What leads to poor conversion efficiency/ low yields?

Poor conversion efficiency and low yields can be due to a variety of different experiment-specific conditions. Please contact Technical Support to discuss your specific experimental conditions and further troubleshoot with a product specialist.

Q9: How long is bisulfite converted DNA stable at -20 °C?

Converted DNA eluted in M-Elution Buffer can generally be stored at -20°C for 1-3 months. If longer term storage is necessary, we recommend storing at or below -70°C if possible. Bisulfite converted DNA is less stable than dsDNA; for best results, minimize freeze-thawing of converted DNA and use as soon as possible for downstream analysis.


 

주문정보

CAT.No 품명 규격 비고
D5005 EZ DNA Methylation-Gold Kit 50 rxns.
D5006 EZ DNA Methylation-Gold Kit 200 rxns.