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Chieko Wada

Research Profile

Chemicals & Drugs

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Escherichia coli

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Publications

TOP 3
Akira Nakamura; Chieko Wada; Kunio Miki
Structural basis for regulation of bifunctional roles in replication initiator protein.
Ryosuke L Ohniwa; Kazuya Morikawa; Sayaka L Takeshita; Joongbaek Kim; Toshiko Ohta; Chieko Wada; Kunio Takeyasu
Transcription-coupled nucleoid architecture in bacteria.
Akira Nakamura; Chieko Wada; Kunio Miki
Expression and purification of F-plasmid RepE and preliminary X-ray crystallographic study of its complex with operator DNA.

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All Publications

2007: Akira Nakamura; Chieko Wada; Kunio Miki
Structural basis for regulation of bifunctional roles in replication initiator protein.
Proceedings of the National Academy of Sciences of the United States of America 2007;104(47):18484-9.
2007: Ryosuke L Ohniwa; Kazuya Morikawa; Sayaka L Takeshita; Joongbaek Kim; Toshiko Ohta; Chieko Wada; Kunio Takeyasu
Transcription-coupled nucleoid architecture in bacteria.
Genes to cells : devoted to molecular & cellular mechanisms 2007;12(10):1141-52.
2007: Akira Nakamura; Chieko Wada; Kunio Miki
Expression and purification of F-plasmid RepE and preliminary X-ray crystallographic study of its complex with operator DNA.
Acta crystallographica. Section F, Structural biology and crystallization communications 2007;63(Pt 4):346-9.
2007: Ryosuke L Ohniwa; Kazuya Morikawa; Joongbeak Kim; Toshiro Kobori; Kohji Hizume; Rie Matsumi; Haruyuki Atomi; Tadayuki Imanaka; Toshiko Ohta; Chieko Wada; Shige H Yoshimura; Kunio Takeyasu
Atomic force microscopy dissects the hierarchy of genome architectures in eukaryote, prokaryote, and chloroplast.
Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada 2007;13(1):3-12.
2006: Ryosuke L Ohniwa; Kazuya Morikawa; Joongbaek Kim; Toshiko Ohta; Akira Ishihama; Chieko Wada; Kunio Takeyasu
Dynamic state of DNA topology is essential for genome condensation in bacteria.
The EMBO journal 2006;25(23):5591-602.
2006: Yasuhiro Hirano; Ryosuke L Ohniwa; Chieko Wada; Shige H Yoshimura; Kunio Takeyasu
Human small G proteins, ObgH1, and ObgH2, participate in the maintenance of mitochondria and nucleolar architectures.
Genes to cells : devoted to molecular & cellular mechanisms 2006;11(11):1295-304.
2006: Masatoshi Yokokawa; Chieko Wada; Toshio Ando; Nobuaki Sakai; Akira Yagi; Shige H Yoshimura; Kunio Takeyasu
Fast-scanning atomic force microscopy reveals the ATP/ADP-dependent conformational changes of GroEL.
The EMBO journal 2006;25(19):4567-76.
2006: Mohammad Arifuzzaman; Maki Maeda; Aya Itoh; Kensaku Nishikata; Chiharu Takita; Rintaro Saito; Takeshi Ara; Kenji Nakahigashi; Hsuan-Cheng Huang; Aki Hirai; Kohei Tsuzuki; Seira Nakamura; Mohammad Altaf-Ul-Amin; Taku Oshima; Tomoya Baba; Natsuko Yamamoto; Tomoyo Kawamura; Tomoko Ioka-Nakamichi; Masanari Kitagawa; Masaru Tomita; Shigehiko Kanaya; Chieko Wada; Hirotada Mori
Large-scale identification of protein-protein interaction of Escherichia coli K-12.
Genome research 2006;16(5):686-91.
2005: Aya Sato; Gengo Kobayashi; Hiroshi Hayashi; Hideji Yoshida; Akira Wada; Maki Maeda; Sota Hiraga; Kunio Takeyasu; Chieko Wada
The GTP binding protein Obg homolog ObgE is involved in ribosome maturation.
Genes to cells : devoted to molecular & cellular mechanisms 2005;10(5):393-408.
2004: Akira Nakamura; Hirofumi Komori; Gengo Kobayashi; Akiko Kita; Chieko Wada; Kunio Miki
The N-terminal domain of the replication initiator protein RepE is a dimerization domain forming a stable dimer.
Biochemical and biophysical research communications 2004;315(1):10-5.
2003: Maki Maeda; Hirotada Mori; Chieko Wada
[Proteome analysis using MALDI-TOF MS].
Seikagaku. The Journal of Japanese Biochemical Society 2003;75(5):401-6.
2002: Taku Oshima; Chieko Wada; Yuya Kawagoe; Takeshi Ara; Maki Maeda; Yasushi Masuda; Sota Hiraga; Hirotada Mori
Genome-wide analysis of deoxyadenosine methyltransferase-mediated control of gene expression in Escherichia coli.
Molecular microbiology 2002;45(3):673-95.
2002: Kenji Nakahigashi; Naoko Kubo; Shin-ichiro Narita; Takeshi Shimaoka; Simon Goto; Taku Oshima; Hirotada Mori; Maki Maeda; Chieko Wada; Hachiro Inokuchi
HemK, a class of protein methyl transferase with similarity to DNA methyl transferases, methylates polypeptide chain release factors, and hemK knockout induces defects in translational termination.
Proceedings of the National Academy of Sciences of the United States of America 2002;99(3):1473-8.
2001: Gengo Kobayashi; S Moriya; Chieko Wada
Deficiency of essential GTP-binding protein ObgE in Escherichia coli inhibits chromosome partition.
Molecular microbiology 2001;41(5):1037-51.
2001: K Izutsu; A Wada; Chieko Wada
Expression of ribosome modulation factor (RMF) in Escherichia coli requires ppGpp.
Genes to cells : devoted to molecular & cellular mechanisms 2001;6(8):665-76.
2000: Shige H Yoshimura; Ryosuke L Ohniwa; Masa H Sato; F Matsunaga; G Kobayashi; H Uga; Chieko Wada; Kunio Takeyasu
DNA phase transition promoted by replication initiator.
Biochemistry 2000;39(31):9139-45.
2000: H Uga; Hirofumi Komori; Kunio Miki; Chieko Wada
The iteron regions necessary for the RepE-iteron interaction in vivo in mini-F plasmids of Escherichia coli.
Journal of biochemistry 2000;127(4):537-41.
1999: Hirofumi Komori; F Matsunaga; Y Higuchi; Masamichi Ishiai; Chieko Wada; Kunio Miki
Crystal structure of a prokaryotic replication initiator protein bound to DNA at 2.6 A resolution.
The EMBO journal 1999;18(17):4597-607.
1999: H Uga; F Matsunaga; Chieko Wada
Regulation of DNA replication by iterons: an interaction between the ori2 and incC regions mediated by RepE-bound iterons inhibits DNA replication of mini-F plasmid in Escherichia coli.
The EMBO journal 1999;18(13):3856-67.
1999: Hirofumi Komori; Noriaki Sasai; F Matsunaga; Chieko Wada; Kunio Miki
Crystallization and preliminary X-ray diffraction studies of a replication initiator protein (RepE54) of the mini-F plasmid complexed with iteron DNA.
Journal of biochemistry 1999;125(1):24-6.
1997: F Matsunaga; Masamichi Ishiai; G Kobayashi; H Uga; T Yura; Chieko Wada
The central region of RepE initiator protein of mini-F plasmid plays a crucial role in dimerization required for negative replication control.
Journal of molecular biology 1997;274(1):27-38.
1996: Y Kawasaki; F Matsunaga; Y Kano; T Yura; Chieko Wada
The localized melting of mini-F origin by the combined action of the mini-F initiator protein (RepE) and HU and DnaA of Escherichia coli.
Molecular & general genetics : MGG 1996;253(1-2):42-9.
1995: F Matsunaga; Y Kawasaki; Masamichi Ishiai; K Nishikawa; T Yura; Chieko Wada
DNA-binding domain of the RepE initiator protein of mini-F plasmid: involvement of the carboxyl-terminal region.
Journal of bacteriology 1995;177(8):1994-2001.
1994: Masamichi Ishiai; Chieko Wada; Y Kawasaki; T Yura
Replication initiator protein RepE of mini-F plasmid: functional differentiation between monomers (initiator) and dimers (autogenous repressor).
Proceedings of the National Academy of Sciences of the United States of America 1994;91(9):3839-43.
1992: Masamichi Ishiai; Chieko Wada; Y Kawasaki; T Yura
Mini-F plasmid mutants able to replicate in Escherichia coli deficient in the DnaJ heat shock protein.
Journal of bacteriology 1992;174(17):5597-603.
1992: Y Kawasaki; Chieko Wada; T Yura
Binding of RepE initiator protein to mini-F DNA origin (ori2). Enhancing effects of repE mutations and DnaJ heat shock protein.
The Journal of biological chemistry 1992;267(16):11520-4.
1991: M Kitagawa; Chieko Wada; S Yoshioka; T Yura
Expression of ClpB, an analog of the ATP-dependent protease regulatory subunit in Escherichia coli, is controlled by a heat shock sigma factor (sigma 32).
Journal of bacteriology 1991;173(14):4247-53.
1991: Y Kawasaki; Chieko Wada; T Yura
Mini-F plasmid mutants able to replicate in the absence of sigma 32: mutations in the repE coding region producing hyperactive initiator protein.
Journal of bacteriology 1991;173(3):1064-72.
1990: T Yura; Y Kawasaki; N Kusukawa; Hiroki Nagai; Chieko Wada; RYOJI YANO
Roles and regulation of the heat shock sigma factor sigma 32 in Escherichia coli.
Antonie van Leeuwenhoek 1990;58(3):187-90.
1990: Y Kawasaki; Chieko Wada; T Yura
Roles of Escherichia coli heat shock proteins DnaK, DnaJ and GrpE in mini-F plasmid replication.
Molecular & general genetics : MGG 1990;220(2):277-82.
1989: T Katayama; Y Murakami; Chieko Wada; H Ohmori; T Yura; T Nagata
Genetic suppression of a dnaG mutation in Escherichia coli.
Journal of bacteriology 1989;171(3):1485-91.
1987: Chieko Wada; M Imai; T Yura
Host control of plasmid replication: requirement for the sigma factor sigma 32 in transcription of mini-F replication initiator gene.
Proceedings of the National Academy of Sciences of the United States of America 1987;84(24):8849-53.