Quantitative PCR of T7 Bacteriophage from Biopanning
نویسندگان
چکیده
منابع مشابه
Refactoring bacteriophage T7
Natural biological systems are selected by evolution to continue to exist and evolve. Evolution likely gives rise to complicated systems that are difficult to understand and manipulate. Here, we redesign the genome of a natural biological system, bacteriophage T7, in order to specify an engineered surrogate that, if viable, would be easier to study and extend. Our initial design goals were to p...
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Gene 6 protein of bacteriophage T7 has 5'-3'-exonuclease activity specific for duplex DNA. We have found that gene 6 protein also has flap endonuclease activity. The flap endonuclease activity is considerably weaker than the exonuclease activity. Unlike the human homolog of gene 6 protein, the flap endonuclease activity of gene 6 protein is dependent on the length of the 5'-flap. This dependenc...
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Only two of the early genes of bacteriophage T7 were found to play a significant role in exclusion of superinfecting bacteriophage T3 particles; genes 0.3 and 1. Protein synthesis by the preinfecting phage particle was not required for efficient exclusion. These findings are discussed with regard to the known functions of these genes during T7 development.
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An ideal DNA polymerase for chain-terminating DNA sequencing should possess the following features: (1) incorporate dideoxy- and other modified nucleotides at an efficiency similar to that of the cognate deoxynucleotides; (2) high processivity; (3) high fidelity in the absence of proofreading/exonuclease activity; and (4) production of clear and uniform signals for detection. The DNA polymerase...
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An endonuclease activity present in extracts from Escherichia coli B infected with T7f phage has been purified 2500fold. This enzyme, T7 endonuclease I, is the product of gene 3, and its activity is maximal 7.5 min after infection at 37”. The activity is at least 100 times greater with single stranded DNA as substrate than with duplex DNA. The limit product obtained by digestion of single stran...
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ژورنال
عنوان ژورنال: Journal of Visualized Experiments
سال: 2018
ISSN: 1940-087X
DOI: 10.3791/58165