- Производитель:
- Sigma-Aldrich
NACRES: | NA.55 |
Кат. номер |
D7442-1500UN |
D7442-250UN |
D7442-50UN |
Contaminating DNA present in most other polymerase preparations often preclude or obscure the accurate interpretation of results, especially when targeting conserved sequences, e.g., bacterial 16S rRNA region. Through Sigmas proprietary DNA removal methods and strict quality control standards, we can ensure the absence of the most commonly found contaminant DNA. Each lot of MTP Taq is assayed using PCR and primers specific to (1) the conserved region of bacterial 16S rRNA, (2) the Taq expression vector, and (3) the human -actin gene.
While MTP Taq ensures a high-quality, low contaminant DNA polymerase for reliable PCR amplification, DNA contaminants can be introduced into PCR through a number of other reagents. To further minimize the risk of contaminant DNA during PCR, we include 10x MTP Taq Buffer with each tube of MTP Taq DNA Polymerase. Each lot of 10x MTP Taq Buffer undergoes the same strict quality control testing as MTP Taq DNA polymerase to ensure the absence of contaminating DNA. To prevent false positive PCR results, only DNA-free reagents should be used in PCR reactions with MTP Taq DNA polymerase.
- for the amplification of bacterial 16S rRNA genes from purified DNA(33)
- bacterial genome analysis
- pathogen detection
MTP Taq DNA Polymerase is a recombinant thermostable enzyme from Thermus aquaticus expressed in E. coli and purified using a proprietary process that minimizes levels of contaminating DNA. The enzyme has 5-3 DNA polymerase and exonuclease activities, is approximately 95 kD by SDS-PAGE, and has no detectable endonuclease or 3-5 exonuclease activities. Contaminating DNA present in most other polymerase preparations often precludes or obscures the accurate interpretation of results, especially when targeting conserved sequences (e.g. bacterial 16S rRNA region).
While MTP Taq is a high-quality, low-contaminant DNA polymerase for reliable PCR amplification, DNA contaminants can be introduced into PCR through a number of other reagents. To further minimize the risk of contaminant DNA during PCR, we include 10x MTP Taq buffer (Sigma product M 9943) with each tube of MTP Taq DNA Polymerase. Each lot of MTP Taq and 10x MTP Taq buffer undergoes the same strict quality control testing to ensure the absence of contaminating DNA. To prevent false positive PCR results, only DNA-free reagents should be used in PCR reactions with MTP Taq DNA Polymerase.
Biochem/physiol Actions
MTP Taq polymerase catalyzes oligonucleotide primer-driven, DNA template dependent incorporation of dNTPs into complimentary DNA strands.
Features and Benefits
Low contaminant DNA polymerase
Prevents false positive PCR results from contaminating bacterial DNA
Components
- MTP Taq DNA Polymerase (D7067)
- 10x MTP Taq Buffer (M9943)
Unit Definition
One unit incorporates 10 nmol of total deoxyribonucleoside triphosphates into acid precipitable DNA in 30 minutes at 74 °C.
MTP is a trademark of Sigma-Aldrich Co. LLC
Quality Level | 200, |
form | liquid |
feature | hotstart: no |
concentration | 5 unit/µL |
color | colorless |
shipped in | wet ice |
storage temp. | 20°C |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 2 |
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