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10 results on '"Aoyagi, Norikazu"'

8. Fatty acids selectively inhibit eukaryotic DNA polymerase activities in vitro

Author

Mizushina, Yoshiyuki, primary, Tanaka, Nobukazu, additional, Yagi, Hisaaki, additional, Kurosawa, Takayoshi, additional, Onoue, Megumi, additional, Seto, Hirokazu, additional, Horie, Ta-i, additional, Aoyagi, Norikazu, additional, Yamaoka, Masakazu, additional, Matsukage, Akio, additional, Yoshida, Shonen, additional, and Sakaguchi, Kengo, additional

Published
1996
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9. Screening of Inhibitor of Eukaryotic DNA Polymerases Produced by Microorganisms.

Author

MIZUSHINA, YOSHIYUKI, primary, YAGI, HISAAKI, additional, TANAKA, NOBUKAZU, additional, KUROSAWA, TAKAYOSHI, additional, SETO, HIROKAZU, additional, KATSUMI, KEIKO, additional, ONOUE, MEGUMI, additional, ISHIDA, HANA, additional, ISEKI, ASAYO, additional, NARA, TAKAYUKI, additional, MOROHASHI, KENGO, additional, HORIE, TADASHI, additional, ONOMURA, YOUICHI, additional, NARUSAWA, MITSUHIRO, additional, AOYAGI, NORIKAZU, additional, TAKAMI, KIYOSHI, additional, YAMAOKA, MASAKAZU, additional, INOUE, YASUNORI, additional, MATSUKAGE, AKIO, additional, YOSHIDA, SHONEN, additional, and SAKAGUCHI, KENGO, additional

Published
1996
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10. A new DNA polymerase species from Drosophila melanogaster: a probable mus308gene product

Author

Oshige, Masahiko, Aoyagi, Norikazu, Harris, Paul V, Burtis, Kenneth C, and Sakaguchi, Kengo

Abstract

Harris et al. [P.V. Harris, O.M. Mazina, E.A. Leonhardt, R.B. Case, J.B. Boyd, K.C. Burtis, Molecular cloning of Drosophila mus308, a gene involved in DNA cross-link repair with homology to prokaryotic DNA polymerase I genes, Mol. Cell. Biol., 16 (1996) 5764–5771.] reported the molecular cloning of Drosophila mus308gene, and its nucleotide and protein sequences similar to DNA polymerase I. In the present study, we attempted to find and isolate the gene product by purifying a DNA polymerase fraction not present in mus308flies. A new DNA polymerase with properties different from those of any known polymerase species was identified and partially purified from the wild-type fly embryos through ten column chromatographies. The enzyme was resistant to aphidicolin, but sensitive to ddTTP and NEM. Human proliferating cell nuclear antigen (PCNA) and Drosophilareplication protein A (RP-A) did not affect the polymerase activity. It preferred poly(dA)/oligo(dT) as a template–primer. The molecular mass was about 230 kDa with a broad peak region of 200 to 300 kDa in HiPrep16/30 Sephacryl S-300 gel filtration. These properties a different from those of all reported Drosophilapolymerase classes such as α, β, γ, δ, ε and ζ and closely resemble those of the gene product expected from the nucleotide sequence. The new polymerase species appears to have ATPase and 3′–5′ exonuclease activities as shown by the chromatographies.

Published
1999
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