![]() The error rates of DNA polymerases are dependent on the PCR conditions. Flaherty SE et al evaluated the expression of multiple genes in bone-marrow-derived macrophages with quantitative PCR using QIAGEN PCR SYBR Green I QuantiTect Master Mix. Chopra S et al used PerfeCTa SYBR green fastmix from Quantabio and TaqMan Universal PCR master mix from Thermo Fisher for quantitative RT-PCR. ![]() For example, Liu Y et al measured RNA levels of multiple genes from mouse peritoneal macrophages in qPCR with SYBR Green Realtime PCR Master Mix from TOYOBO (QPK-201) by QuantStudio 7 Flex from Thermo Fisher Scientific after total RNA extraction with TRIzol reagent and reverse transcription using ReverTra Ace qPCR RT Master Mix with gDNA Remover from TOYOBO (FSQ301). Table 2 lists the most commonly cited PCR polymerases and their major suppliers from a survey of formal articles citing DNA polymerases for PCR. Labome systematically curates information on reagents, instruments, and software programs from randomly selected formal articles. In the case of random mutagenesis, such as Agilent Random Mutagenesis Kits, error-prone polymerases are preferred. Specialized DNA polymerases have also been designed. solfataricus to increase its processivity performance whiling retaining the high fidelity of Pfu polymerase. Phusion DNA polymerase fuses Pfu DNA polymerase with the DNA binding protein, Sso7d, from S. Taq polymerase can be chemically inactivated at low temperatures, and this modification can be reversed at a high temperature this temperature-dependent reversible modification of the Taq protein, AmpliTaq Gold, present in mixtures such as Thermo Power SYBR™ Green PCR Master Mix, can be used as the hot start PCR enzyme. The recombinant Taq polymerase, named AmpliTaq DNA polymerase, was commonly used. aquaticus cells, and later the gene was cloned and expressed in E. Taq polymerase was initially purified from T. Table 1 lists major PCR polymerases and some of their important features. The polymerases are from different sources and with varying degrees of replication fidelity and with different extension speed. Multiple PCR polymerases are available from commercial suppliers.
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