11175025910
Roche
DIG RNA Labeling Kit (SP6/T7)
sufficient for 2 x 10 labeling reactions, kit of 1 (12 components), suitable for hybridization, suitable for Southern blotting
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Synonym(s):
DIG system, rna labeling
UNSPSC Code:
41105500
Recommended Products
usage
sufficient for 2 x 10 labeling reactions
Quality Level
packaging
kit of 1 (12 components)
manufacturer/tradename
Roche
greener alternative product characteristics
Designing Safer Chemicals
Learn more about the Principles of Green Chemistry.
sustainability
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technique(s)
Northern blotting: suitable
Southern blotting: suitable
hybridization: suitable
greener alternative category
, Aligned
storage temp.
−20°C
General description
Assay Time: 145minutes
Sample Materials
The DIG RNA Labeling Kit produces DIG-labeled, single-stranded RNA probes of known length. Either SP6 or T7 RNA polymerase transcribes these probes in vitro from template DNA (in the presence of digoxigenin-UTP).
RNA Labeling by in vitro Transcription
The DNA to be transcribed is cloned into the polylinker site of appropriate transcription vectors (e.g., pSPT 18 or 19), which contain promoters for SP6 and T7 RNA polymerases. Adjacent template DNA is linearized at a suitable site and the RNA polymerases are used to produce "run off" transcripts. DIG-UTP is incorporated into the transcript. Every 20 to 25th nucleotide of the newly synthesized RNA is a DIG-UTP. Since the nucleotide concentration does not become limiting in the standard transcription reaction, this reaction can generate large amounts of labeled RNA.
Sample Materials
- Linearized plasmid DNA
- PCR product
The DIG RNA Labeling Kit produces DIG-labeled, single-stranded RNA probes of known length. Either SP6 or T7 RNA polymerase transcribes these probes in vitro from template DNA (in the presence of digoxigenin-UTP).
RNA Labeling by in vitro Transcription
The DNA to be transcribed is cloned into the polylinker site of appropriate transcription vectors (e.g., pSPT 18 or 19), which contain promoters for SP6 and T7 RNA polymerases. Adjacent template DNA is linearized at a suitable site and the RNA polymerases are used to produce "run off" transcripts. DIG-UTP is incorporated into the transcript. Every 20 to 25th nucleotide of the newly synthesized RNA is a DIG-UTP. Since the nucleotide concentration does not become limiting in the standard transcription reaction, this reaction can generate large amounts of labeled RNA.
Kit for the labeling of RNA with digoxigenin-UTP by in vitro transcription with SP6 and T7 polymerases. By this method, single-stranded RNA probes of known length are produced, which can be used in a variety of hybridization techniques.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is designed as a safer chemical. The DIG System was established as a sensitive and cost-effective alternative to using radioactivity for the labeling and detection of nucleic acids. There are many available publications that prove the versatility of the DIG System, so use of radio-labeling is no longer the only option for labeling of DNA for hybridization.
Specificity
Sensitivity and Specificity
DIG-labeled RNA probes can detect single-copy genes in as little as 1 μg of mammalian DNA under the following assay conditions: The hybridization mix contains 20 to 100 ng labeled probe/ ml, and the bound probe is detected with anti-DIG-AP and visualized with the chemiluminescent substrate CDP-Star.
Heat inactivation: Stop the reaction by adding 2 μl 0.2 M EDTA (pH 8.0).
DIG-labeled RNA probes can detect single-copy genes in as little as 1 μg of mammalian DNA under the following assay conditions: The hybridization mix contains 20 to 100 ng labeled probe/ ml, and the bound probe is detected with anti-DIG-AP and visualized with the chemiluminescent substrate CDP-Star.
Heat inactivation: Stop the reaction by adding 2 μl 0.2 M EDTA (pH 8.0).
Application
For RNA labeling with DIG-11-UTP by in vitro transcription with SP6 and T7 RNA Polymerases. DIG-labeled "run off" transcripts are synthesized with high efficiency and can be used in a variety of hybridization techniques:
Note: Since the linkage between DIG and UTP is resistant to alkali, DIG-labeled RNA can be fragmented by alkaline treatment. Slightly reducing the size of the DIG-labeled RNA probe may make it more suitable for certain applications in in situ hybridization.
- Northern blots
- Southern blots
- In situ hybridizations
- Plaque or colony lifts
- RNase protection experiments
Note: Since the linkage between DIG and UTP is resistant to alkali, DIG-labeled RNA can be fragmented by alkaline treatment. Slightly reducing the size of the DIG-labeled RNA probe may make it more suitable for certain applications in in situ hybridization.
Packaging
1 kit containing 12 components.
Quality
Test principle: The DNA template to be transcribed is cloned into the polylinker site of appropriate transcription vectors, which contain promoters for SP6 and/or T7 RNA Polymerases. After linearization at a suitable site, RNA is transcribed in the presence of DIG-UTP. Under standard conditions, approximately 10μg of full-length DIG-labeled RNA is transcribed from 1μg template.
Other Notes
For life science research only. Not for use in diagnostic procedures.
Kit Components Only
Product No.
Description
- pSPT18 DNA 0.25 mg/ml
- pSPT19 DNA 0.25 mg/ml
- Control DNA 1, pSPT18-Neo, cleaved with Pvu II 0.25 mg/ml
- Control DNA 2, pSPT19-Neo, cleaved with Pvu II 0.25 mg/ml
- DIG-labeled Control RNA, DIG-labeled "antisense" neo RNA 100 ng/µl
- Unlabeled Control RNA, neo poly (A) "sense" RNA 200 µg/ml
- NTP Labeling Mixture 10x concentrated
- Transcription Buffer 10x concentrated
- DNase I, RNase-free 10 U/µl
- Protector RNase Inhibitor 20 U/µl
- SP6 RNA Polymerase 20 U/µl
- T7 RNA Polymerase 20 U/µl
See All (12)
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Sens. 1
WGK
WGK 2
Flash Point(F)
does not flash
Flash Point(C)
does not flash
Regulatory Information
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Articles
Digoxigenin (DIG) labeling methods and kits for DNA and RNA DIG probes, random primed DNA labeling, nick translation labeling, 5’ and 3’ oligonucleotide end-labeling.
Protocols
Determine the labeling efficiency in terms of μg (expected yield of a standard labeling reaction is 20 μg of DIG labeled RNA per μg linearized template DNA after the DIG RNA labeling reaction).
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