研究業績

原著論文

1999

1. Karamyshev, A.L., Karamysheva, Z.N., Ito, K., Matsufuji, S., Nakamura, Y.: Overexpression and purification of recombinant eRF1 proteins of rabbit and Tetrahymena thermophila. Biochemistry (Moscow). 64: 1391-400 (1999)
2. Karamyshev, A.L., Ito, K., Nakamura, Y.: Polypeptide release factor eRF1 from Tetrahymena thermophila: cDNA cloning, purification and complex formation with yeast eRF3. FEBS Lett. 457: 483-488 (1999)
3. Yoshimura, K., Ito, K., Nakamura, Y.: Amber (UAG) suppressors affected in UGA/UAA-specific polypeptide release factor 2 of bacteria: genetic prediction of initial binding to ribosome preceding stop codon recognition. Genes Cells. 4: 253-266 (1999)
4. Fujiwara, T., Ito, K., Nakayashiki, T., Nakamura, Y.: Amber mutations in ribosome recycling factors of Escherichia coli and Thermus thermophilus: evidence for C-terminal modulator element. FEBS Lett. 447: 297-302 (1999)
5. Crawford, D.J., Ito, K., Nakamura Y, Tate WP.: Indirect regulation of translational termination efficiency at highly expressed genes and recoding sites by the factor recycling function of Escherichia coli release factor RF3. EMBO J 18: 727-732 (1999)

1998

1. Ito, K, Ebihara K, Nakamura Y.: The stretch of C-terminal acidic amino acids of translational release factor eRF1 is a primary binding site for eRF3 of fission yeast. RNA. 4; 958-972 (1998)
2. Ito, K., Uno, M., Nakamura, Y.: Single amino acid substitution in prokaryote polypeptide release factor 2 permits it to terminate translation at all three stop codons. Proc Natl Acad Sci USA. 95: 8165-8169 (1998)
3. Pel, H.J., Moffat, J. G , Ito, K., Nakamura, Y., Tate, W.P.: Escherichia coli release factor 3: resolving the paradox of a typical G protein structure and atypical function with guanine nucleotides. RNA. 4: 47-54 (1998)

1997

1. Ito, K., Nakamura, Y.: Cloning and overexpression of polypeptide release factor 1 of Thermus thermophilus. Biochimie. 79(5): 287-292 (1997)
2. Mita, K., Morimyo, M., Ito, K., Sugano, K., Ebihara, K., Hongo, E., Higashi, T., Hirayama, Y., Nakamura, Y.: Comprehensive cloning of Schizosaccharamyces pombe genes encoding translation elongation factors. Gene. 187: 259-266 (1997)

1996

1. Uno, M., Ito, K., Nakamura, Y.: Functional specificity of amino acid at position 246 in the tRNA mimicry domain of bacterial release factor 2. Biochimie. 78: 935-943(1996)
2. Ito, K., Ebihara, K., Uno, M., Nakamura, Y.: Conserved motifs of prokaryotic and eukaryotic polypeptide release factors: tRNA-protein mimicry hypothesis. Proc. Natl. Acad. Sci. USA. 93:5543-5448 (1996)
3. Matsumura, K., Ito, K., Kawazu, Y., Mikuni, O., Nakamura, Y.: Suppression of temperature-sensitive defects of polypeptide release factors RF-1 and RF-2 by mutations or by an excess of RF-3 in Escherichia coli. J. Mol. Biol. 258:588-599 (1996)
4. Ito, K., Nakamura, Y.: Localization of nusA-suppressing amino acid substitutions in the conserved regions of the β' subunit of Escherichia coli RNA polymerase. Mol. Gen. Genet. 251:699-706 (1996)

1995

1. Kawazu, Y., Ito, K., Matsumura, K., Nakamura, Y.: Comparative characterizaion of release factor RF-3 genes of Escherichia coli, Salmonella typhimurium, and Dichelobactor nodosus. J. Bacteriol. 177:5547-5553 (1995)
2. Oshima, T., Ito, K., Nakamura, Y.: Regulation of lrp gene expression by H-NS and Lrp proteins in Escherichia coli: dominant negative mutations in lrp. Mol. Gen. Genet. 247:521-528 (1995)
3. Mori, A., Ito, K., Mizobuchi, K., Nakamura, Y.,: A transcription terminator signal necessary for plasmid ColIb-P9 replication. Mol. Microbiol. 17:291-301 (1995)

1994

1. Ito, K., Oshima, T., Kabayama, H., Nakamura, Y.: Regulation of lysyl-tRNA synthetase expression by histone-like protein H-NS of Escherichia coli. J. Bacteriol. 176:7383-7386 (1994)
2. Mikuni, O., Ito, K., Moffat, J., Matsumura, K., McCaughan, K., Nobukuni., T., Tate, W., Nakamura, Y.: Identification of the prfC gene, which encodes peptide-chain-release factor 3 of E. coli. Proc. Natl. Acad. Sci. USA. 91: 5797-5802 (1994)

1993

1. Ito, K., Kawakami, K., Nakamura, Y.: Multiple control of E. coli lysyl-tRNA synthetase expression involves a transcriptional repressor and translational enhancer element. Proc. Natl. Acad. Sci. USA. 90:302-306 (1993)
2. Ito, K., Nakamura, Y.: Pleiotropic effects of the rpoC10 mutation affecting the RNA polymerase β' subunit of E. coli on factor-dependent transcription termination and antitermination. Mol. Microbiol. 9:285-293 (1993)

1992

1. Kawakami, K., Ito, K., Nakamura, Y.: Differential regulation of two genes encoding lysyl-tRNA synthetases in Escherichia coli: lysU-constitutive mutations compensate for lysS null mutation. Mol. Microbiol. 6:1739-1745 (1992)

1991

1. Ito, K., Nakamura, Y.: Genetic interaction between β' subunit of RNA polymerase and arginine-rich domain of E. coli nusA protein. J. Bacteriol. 173:1492-1501 (1991)