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Proofreading in Medical News

Scientists explore factors contributing to DNA mutations

...peats indicate a lower repeat number and mutability is lower for microsatellites with lower repeat numbers. At shorter lengths, explained Makova, DNA proofreading and repair mechanisms function more reliably and efficiently. The team also discovered that repeat composition was a significant predictor of micro...
Proofreading in Biological News

Molecular typesetting -- proofreading without a proofreader

Researchers at the Universities of Leeds and Bristol (UK) have developed a model of how errors are corrected whilst proteins are being built. Ensuring that proteins are built correctly is essential to the proper functioning of our bodies, but the 'quality assurance' mechanisms that take place d...

Elderly mice yield clues to the process of growing old

... spellchecker," says Prolla. "By introducing a malfunction in the (genetic) proofreading domain, these mutations accumulate much more rapidly." The new work lend...ipulating mouse embryonic stem cells to produce mice with the defective DNA proofreading protein. The mice develop normally, but age rapidly and develop such things...

To Stop Evolution: New Way Of Fighting Antibiotic Resistance Demonstrated By Scripps Scientists

...es extremely well, and the "polymerase" enzymes that replicate our DNA rarely make mistakes. Even when they do, we have multiple, redundant repair and proofreading mechanisms that would make even the most six-sigma-compliant NASA engineer jealous. Nevertheless, all organisms are prone to some level of damage b...
Proofreading in Biological Technology

Pwo Master*: Simplify Setup of Your Proofreading PCRs

With the introduction of the Pwo Master, Roche Applied Science now offers a new, ready-to-use proofreading master mix for the robust amplification of fragments up to 3 kb, providing the highest possible fidelity during PC...

Comparing Fidelity and Performance of Proofreading PCR Enzymes

PfuTurbo DNA polymerase is superior to Platinum Pfx DNA polymerase Michael Borns Janice Cline Holly Hogrefe Stratagene We recently evaluated the properties of Platinum Pfx DNA polymerase, a competitors new PCR enzyme formulation ...

Global Vision Recognized for Helping Pharmaceutical Companies Achieve Complete Artwork and Copy Accuracy in their Packaging Process

... MONTREAL, Oct. 22 /PRNewswire/ -- Global Vision, the leader in automated proofreading solutions for the pharmaceutical industry announced today that 15 of the to...t 11 requirements. About Global Vision Global Vision provides automated proofreading solutions that enable organizations to achieve unprecedented content integr...

QIAGEN LongRange PCR and 2Step RT-PCR Kits

...th enhanced processivity, allows the amplification of full-length PCR products. The enzyme mix provides high extension rates and proofreading ability for increased fidelity (up to 5-fold higher fidelity than Taq DNA polymerase). The novel buffer system provides highly s...

GenomiPhi amplification of FFPE tissue DNA for array CGH

... (4). This method employs the unique biochemical properties of Phi29 DNA polymerase, a highly processive enzyme with excellent strand displacement and proofreading ability, to amplify DNA.

In this application note, we show array CGH data on DNA isolated from human liver FFPE slides, comparing DOP-PCR wi...

Reduce Errors and Save Time When Setting Up PCRs

...nal concentration of 1.5 mM MgCl2. The Expand High Fidelity Enzyme blend is a blend of Taq DNA Polymerase and a thermostable DNA polymerase with proofreading activity. This powerful enzyme blend is designed to amplify any kind of DNA up to 5 kb (Figure 1) with higher yield and three times higher fidel...

Roche Diagnostics Corporation

...f Beer Screening Kit Screening of Beer-Spoilage Bacteria Using the LightCycler PCR Workflow System Pwo Master*: Simplify Setup of Your proofreading PCRs The DIG System Nonradioactive Automated High-Throughput In Situ Hybridization: a Powerful Tool for Functional Genomics Research ...

Challenge the Performance of Your Hot-Start PCRs with FastStart Taq DNA Polymerase and the Novel FastStart High Fidelity PCR System

... FastStart Taq DNA Polymerase and a thermostable proofreading protein that mediates proofreading activity, but...Start Taq DNA Polymerase, and the ability of the proofreading protein to recognize and excise incorrectly inco...ificity, sensitivity, and yield (Figure 4). proofreading polymerases or chemical modifications thereof fa...

PCR reaction components

...enzyme blends (e.g. the Expand PCR Systems which contain blends of Taq DNA polymerase and a thermostable polymerase with proofreading activity). To improve PCR yield, use the

PCR principles

... Replacing a single polymerase with a blend of a thermostable polymerase (Taq DNA Polymerase) and a proofreading polymerase (Pwo DNA Polymerase) made PCR an indispensable tool in the analysis and mapping of entire genomes by: ...
Proofreading in Biological Products

Zero Blunt TOPO PCR Cloning Kit with One Shot Mach1 T1 Phage-Resistant Chemically Competent E. coli from Invitrogen

Description:...The Zero Blunt TOPO PCR Cloning Kit offers the fastest and easiest method for high-efficiency (>=95%) cloning of blunt-end PCR products amplified with proofreading thermostable polymerases. The kit includes the linearized and topoisomerase I-activated pCR-Blunt II-TOPO vector for 5-minute bench-top ligations with...
Company:Invitrogen

Zero Blunt TOPO Kit for Sequencing with One Shot Mach1 T1 Phage-Resistant Chemically Competent E. coli from Invitrogen

Description:...3-T overhangs for direct ligation of Taq-amplified PCR products. The pCR4Blunt-TOPO vector provides blunt ends for cloning PCR products amplified with proofreading thermostable polymerases. Each vector is supplied linearized and topoisomerase I-activated enabling 5-minute bench-top ligation yielding recombinants ...
Company:Invitrogen

Zero Blunt TOPO PCR Cloning Kit with One Shot TOP10 Chemically Competent E. coli from Invitrogen

Description:...R Cloning Kit offers the fastest and easiest method for high-efficiency (greater than or equal to95%) cloning of blunt-end PCR products amplified with proofreading thermostable polymerases. The kit includes the linearized and topoisom...
Company:Invitrogen

MasterAmp Taq DNA Polymerase Kit from EPICENTRE Biotechnologies

Description:... PCR and remains the predominant enzyme for that purpose. The enzyme has an intrinsic 5'?3' structure-dependent exonuclease activity, but lacks 3'--5' proofreading exonuclease activity. MasterAmp Taq DNA Polymerase is highly purified using a proprietary procedure that virtually eliminates contaminating bacterial ...
Company:EPICENTRE Biotechnologies

AccuPrime Pfx from Invitrogen

Description:...cloning and mutagenesis. High fidelity is provided by a proprietary enzyme preparation containing recombinant DNA polymerase from Pyrococcus sp. with proofreading (3'Cut Site5' exonuclease) activity. Platinum Anti-Pfx DNA Polymerase antibodies inhibit polymerase activity providing hot-start capabilities. Thermo...
Company:Invitrogen

Six Paq, rTth DNA Polymerase, XL and XL Buffer II Pack from Applied Biosystems

Description:... 6 x Blend of rTth DNA Polymerase and Tli to provide optimized amounts of both 5-3 and 3-5 proofreading activity...
Company:Applied Biosystems

GC-RICH PCR System from Roche Applied Science

Description:... For amplification of GC-rich nucleic acids The GC-RICH PCR System, a blend of Taq DNA Polymerase and a proofreading polymerase, powers through templates that are difficult or impossible to amplify with other polymerases and other blends of polymerases. The enhanced ...
Company:Roche Applied Science

Expand High Fidelity PLUS PCR System; Thermostable DNA polymerase mixture from Roche Applied Science

Description:...new blend combines Taq DNA Polymerase with a novel proofreading protein isolated and characterized by Roche Applied Science. This protein mediates proofreading activity, but has no polymerase activity itself. The synergy between the mechanism of the proofreading protein and the processivity of Taq DNA Polymerase...
Company:Roche Applied Science

Extensor Hi-Fidelity PCR Enzyme from ABgene

Description:... Synergistic enzyme mix (Thermoprime Plus DNA Polymerase with a proprietary thermostable proofreading enzyme) At least four times higher fidelity than standard Taq DNA polymerase Double the yields of standard Taq DNA polymerase Amplifies DNA templat...
Company:ABgene

GCpro Taq DNA Polymerase Complete System from GenScript Corporation

Description:...ining the DNA polymerase I gene from Thermococcus litoralis. The enzyme includes a highly processive 5'-3' DNA polymerase activity. Its inherent 3'-5' proofreading activity results in a greatly increased fidelity of DNA synthesis compared to Taq DNA Polymerase. The enzyme includes an optimized reaction buffer, wh...
Company:GenScript Corporation
Proofreading in Biological Definition

Polymerase chain reaction

...eading to mutations (errors) in the DNA sequence, since it lacks 3'->5' proofreading exonuclease activity. Polymerases such as Pwo or Pfu, obtained from Archaea , have proofreading mechanisms (mechanisms that check for errors) and can significantly reduce...
Proofreading in Biological Dictionary

Proof-reading

...n order to detect and correct any errors. Modern proofreading often requires reading copy at earlier stages as well. Professional document editing and proofreading services. Specializes in large projects and docume...larship each year. ... Proof - Reading .com Blog. proofreading Services. Scholarship + New ... PROOF - READIN...
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