Micrococcus luteus Deoxyribonucleic Acid Polymerase
نویسندگان
چکیده
منابع مشابه
Endonuclease from Micrococcus luteus which has activity toward ultraviolet-irradiated deoxyribonucleic acid: its action on transforming deoxyribonucleic acid.
An endonuclease purified from Micrococcus luteus makes single-strand breaks in ultraviolet (UV)-irradiated, native deoxyribonucleic acid (DNA). The purified endonuclease is able to reactivate UV-inactivated transforming DNA of Haemophilus influenzae, especially when the DNA is assayed on a UV-sensitive mutant of H. influenzae. After extensive endonuclease action, there is a loss of transforming...
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The discovery of enzymes which catalyze the deoxyribonucleic acid-dependent synthesis of ribopolynucleotides (l-6) stimulated an immediate inquiry into the role played by DNA in thisunique reaction. The speculation that DNA might serve as a template for the polymerization of ribonucleotides into a complementary ribonucleic acid molecule was confirmed by studies from a number of different groups...
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The homopolymer complex, (dA, .dT,), will direct the synthesis of r(A),, or r(U),,, or both, in the presence of highly purified RNA polymerase from iVIicrococcus Zysodeikticus. When either ‘GATP or 3H-UTP is present with saturating amounts of (dA, . dT,), AMP incorporation is considerably greater than UMP incorporation. This difference appears to reflect a product inhibition which is observed o...
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Cessation of exponential growth of Micrococcus radiodurans heightens X-radioresistance while either increasing or decreasing the deoxyribonucleic acid-protein ratio.
متن کاملDNA-relaxing enzyme from Micrococcus luteus.
A DNA-relaxing enzyme which catalyzes the conversion of superhelical DNA to a non-superhelical covalently closed form has been purified from Micrococcus luteus to near homogeneity by two chromatographic steps. The enzyme is a single polypeptide chain. As determined by sodium dodecyl sulfate - polyacrylamide gel electrophoresis and gel filtration on Sephadex G 150, the molecular weight is 115,00...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1970
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)62699-7