Mutated thermostable nucleic acid polymerase enzyme from Thermus

Chemistry: molecular biology and microbiology – Micro-organism – per se ; compositions thereof; proces of... – Bacteria or actinomycetales; media therefor

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43525233, 4353201, 435194, 536 232, 935 10, 935 14, C12N 1554, C12N 912

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active

054551706

ABSTRACT:
A purified thermostable enzyme is derived from the eubacterium Thermus species Z05. The enzyme has DNA polymerase, activity reverse transcriptase activity, and optionally 5'.fwdarw.3' exonuclease activity. The enzyme can be native or recombinant, and may be used with primers and nucleoside triphosphates in a temperature-cycling chain reaction where at least one nucleic acid sequence is amplified in quantity from an existing sequence.

REFERENCES:
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patent: 4965188 (1990-10-01), Mullis et al.
Chien et al., 1976, "Deoxyribonucleic Acid Polymerase From the Extreme Thermophile Thermus aquaticus" J. Bacteriology 127(3):1550-1557.
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Kaledin et al., 1980, "Isolation and Properties of DNA Polymerase From Extremely Thermophilic Bacterium Thermus aquaticus YT1" 45(4):494-501.
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Bernad et al., 1989, "A Conserved 3'-5' Exonuclease Active Site in Prokaryotic and Eukaryotic DNA Polymerases" Cell 59:219-228.
Gelfand, D. H., PCR Technology, Principles and Applications for DNA Amplification, Chapter 2, Entitled "Taq DNA Polymerase" pp. 17-22 (1989), Ed. by H. A. Erlich.
Laywer et al., 1989, "Isolation, Characterization, and Expression in Escherichia coli of the DNA Polymerase Gene from Thermus Aquaticus" J. Biol. Chem. 264(11):6427-6437.
Leavitt and Ito, 1989, "T5 DNA Polymerase: Structural-Functional Relationships to Other DNA Polymerases" Proc. Natl. Acad. Sci. USA 86:4465-4469.
Microbiology, 4th Ed., 1990, pp. 11-19, edited by B. D. Davis et al., published by J. B. Lippincott Co. (Philadelphia) "Evolution of Microbiology and of Microbes".

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