Takashi Yura

Production of Three Distinct mRNAs of 150 kDa Oxygen-Regulated Protein (ORP150) by Alternative Promoters: Preferential Induction of One Species under Stress Condition (2000)

Kaneda, Sumiko, Yura, Takashi, Yanagi, Hideki

150 kDa oxygen-regulated protein (ORP150) is one of the endoplasmic reticulum (ER)-resident stress proteins we have cloned and sequenced the entire human ORP150 gene covering over 15-kb. Analyses of...

Systematic sequencing of the Escherichia coli genome: analysis of the 2.4-4.1 min (110,917-193,643 bp) region (1994)

Fujita, Nobuyuki, Mori, Hirotada, Yura, Takashi, Ishihama, Akira

The complete sequence analysis of the E.coli genome was initiated as a collaborative study in Japan. Following the initial analysis of the 0–2.4 min region (Yura, T. et al. (1992) Nucleic Acids...

Heat induction of {theta}32 synthesis mediated by mRNA secondary structure: a primary step of the heat shock response in Escherichia coli (1993)

Yuzawa, Harumi, Nagai, Hiroki, Mori, Hirotada, Yura, Takashi

Induction of heat shock proteins following transfer of E.coli cells from 30°C to 42°C depends on rapid accumulation of θ32, a minor θ factor specifically required for transcription of heat shock...

Systematic sequencing of the Escherichia coli genome: analysis of the 0 - 2.4 min region (1992)

Yura, Takashi, Mori, Hirotada, Nagai, Hiroki, Nagata, Toshio, Ishihama, Akira, Fujita, Nobuyuki, ...

A contiguous 111,402-nucleotide sequence corresponding to the 0 to 2.4 min region of the E.coli chromosome was determined as a first step to complete structural analysis of the genome. The resulting...

A Novel Adenosine Triphosphatase Isolated from RNA Polymerase Preparations of Escherichia coli I. Copurification and Separation (1976)

ISHIHAMA, Akira, IKEUCHI, Toshihiko, YURA, Takashi

Adenosinetriphosphatase (ATPase) [EC 3.6.1.3] activity has been found to exist in most preparations of DNA-dependent RNA polymerase [EC 2.7.7.6] obtained from Escherichia coli by a number of...

mRNA splicing-mediated C-terminal replacement of transcription factor Hac1p is required for efficient activation of the unfolded protein response

Mori, Kazutoshi, Ogawa, Naoki, Kawahara, Tetsushi, Yanagi, Hideki, Yura, Takashi

Eukaryotic cells control the levels of molecular chaperones and folding enzymes in the endoplasmic reticulum (ER) by a transcriptional induction process termed the unfolded protein response (UPR)...

Dynamic interplay between antagonistic pathways controlling the σ32 level in Escherichia coli

Morita, Miyo T., Kanemori, Masaaki, Yanagi, Hideki, Yura, Takashi

The heat-shock response in Escherichia coli depends primarily on the transient increase in the cellular level of heat-shock sigma factor σ32 encoded by the rpoH gene, which results from both...

Endoplasmic Reticulum Stress-induced mRNA Splicing Permits Synthesis of Transcription Factor Hac1p/Ern4p That Activates the Unfolded Protein Response

Kawahara, Tetsushi, Yanagi, Hideki, Yura, Takashi, Mori, Kazutoshi

An intracellular signaling from the endoplasmic reticulum (ER) to the nucleus, called the unfolded protein response (UPR), is activated when unfolded proteins are accumulated in the ER under a...

Mammalian Transcription Factor ATF6 Is Synthesized as a Transmembrane Protein and Activated by Proteolysis in Response to Endoplasmic Reticulum Stress

Haze, Kyosuke, Yoshida, Hiderou, Yanagi, Hideki, Yura, Takashi, Mori, Kazutoshi

The unfolded protein response (UPR) controls the levels of molecular chaperones and enzymes involved in protein folding in the endoplasmic reticulum (ER). We recently isolated ATF6 as a candidate for...

ATF6 Activated by Proteolysis Binds in the Presence of NF-Y (CBF) Directly to the cis-Acting Element Responsible for the Mammalian Unfolded Protein Response

Yoshida, Hiderou, Okada, Tetsuya, Haze, Kyosuke, Yanagi, Hideki, Yura, Takashi, Negishi, Manabu, ...

Transcription of genes encoding molecular chaperones and folding enzymes in the endoplasmic reticulum (ER) is induced by accumulation of unfolded proteins in the ER. This intracellular signaling,...

Overexpression of Trigger Factor Prevents Aggregation of Recombinant Proteins in Escherichia coli

Nishihara, Kazuyo, Kanemori, Masaaki, Yanagi, Hideki, Yura, Takashi

To examine the effects of overexpression of trigger factor (TF) on recombinant proteins produced in Escherichia coli, we constructed plasmids that permitted controlled expression of TF alone or...

Overexpression of Protein Disulfide Isomerase DsbC Stabilizes Multiple-Disulfide-Bonded Recombinant Protein Produced and Transported to the Periplasm in Escherichia coli

Kurokawa, Yoichi, Yanagi, Hideki, Yura, Takashi

Dsb proteins (DsbA, DsbB, DsbC, and DsbD) catalyze formation and isomerization of protein disulfide bonds in the periplasm of Escherichia coli. By using a set of Dsb coexpression plasmids constructed...

Heat-Induced Synthesis of ς32 in Escherichia coli: Structural and Functional Dissection of rpoH mRNA Secondary Structure

Morita, Miyo, Kanemori, Masaaki, Yanagi, Hideki, Yura, Takashi

The heat shock response in Escherichia coli depends primarily on the increased synthesis and stabilization of otherwise scarce and unstable ς32 (rpoH gene product), which is required for the...

The ATP-Dependent HslVU/ClpQY Protease Participates in Turnover of Cell Division Inhibitor SulA in Escherichia coli

Kanemori, Masaaki, Yanagi, Hideki, Yura, Takashi

Escherichia coli mutants lacking activities of all known cytosolic ATP-dependent proteases (Lon, ClpAP, ClpXP, and HslVU), due to double deletions [ΔhslVU and Δ(clpPX-lon)], cannot grow at low...

Differential and Independent Roles of a ς32 Homolog (RpoH) and an HrcA Repressor in the Heat Shock Response of Agrobacterium tumefaciens

Nakahigashi, Kenji, Ron, Eliora Z., Yanagi, Hideki, Yura, Takashi

The heat shock response in alpha proteobacteria is unique in that a combination of two regulators is involved: a positive regulator, RpoH (ς32 homolog), found in the alpha, beta, and gamma...

DnaK Chaperone-Mediated Control of Activity of a ς32 Homolog (RpoH) Plays a Major Role in the Heat Shock Response of Agrobacterium tumefaciens

Nakahigashi, Kenji, Yanagi, Hideki, Yura, Takashi

RpoH (Escherichia coli ς32 and its homologs) is the central regulator of the heat shock response in gram-negative proteobacteria. Here we studied salient regulatory features of RpoH in Agrobacterium...

Endoplasmic Reticulum Stress-Induced Formation of Transcription Factor Complex ERSF Including NF-Y (CBF) and Activating Transcription Factors 6α and 6β That Activates the Mammalian Unfolded Protein Response

Yoshida, Hiderou, Okada, Tetsuya, Haze, Kyosuke, Yanagi, Hideki, Yura, Takashi, Negishi, Manabu, ...

The levels of molecular chaperones and folding enzymes in the endoplasmic reticulum (ER) are controlled by a transcriptional induction process termed the unfolded protein response (UPR). The...

Chaperone Coexpression Plasmids: Differential and Synergistic Roles of DnaK-DnaJ-GrpE and GroEL-GroES in Assisting Folding of an Allergen of Japanese Cedar Pollen, Cryj2, in Escherichia coli

Nishihara, Kazuyo, Kanemori, Masaaki, Kitagawa, Masanari, Yanagi, Hideki, Yura, Takashi

Plasmids that can be used for controlled expression of the DnaK-DnaJ-GrpE and/or GroEL-GroES chaperone team were constructed in order to facilitate assessment of the effects of these chaperone teams...

Regulatory Conservation and Divergence of ς32 Homologs from Gram-Negative Bacteria: Serratia marcescens, Proteus mirabilis, Pseudomonas aeruginosa, and Agrobacterium tumefaciens

Nakahigashi, Kenji, Yanagi, Hideki, Yura, Takashi

The heat shock response in Escherichia coli is mediated primarily by the rpoH gene, encoding ς32, which is specifically required for transcription of heat shock genes. A number of ς32 homologs have...

Heat Shock Proteome of Agrobacterium tumefaciens: Evidence for New Control Systems

Rosen, Ran, Büttner, Knut, Becher, Dörte, Nakahigashi, Kenji, Yura, Takashi, Hecker, Michael, ...

The regulation of Agrobacterium tumefaciens heat shock genes involves a transcriptional activator (RpoH) and repressor elements (HrcA-CIRCE). Using proteome analysis and mutants in these control...

Temperature-sensitive Repression of the Tryptophan Operon in Escherichia coli

Ito, Koreaki, Hiraga, Sota, Yura, Takashi

Mutants of Escherichia coli exhibiting temperature-sensitive repression of the tryptophan operon have been isolated among the revertants of a tryptophan auxotroph, trpS5, that produces an altered...

Translational induction of heat shock transcription factor σ32: evidence for a built-in RNA thermosensor

Morita, Miyo Terao, Tanaka, Yoshiyuki, Kodama, Takashi S., Kyogoku, Yoshimasa, Yanagi, Hideki, Yura, Takashi

Induction of heat shock proteins in Escherichia coli is primarily caused by increased cellular levels of the heat shock σ-factor σ32 encoded by the rpoH gene. Increased σ32 levels result from both...

Increased expression of cytosolic chaperonin CCT in human hepatocellular and colonic carcinoma

Yokota, Shin-ichi, Yamamoto, Yuzo, Shimizu, Kenji, Momoi, Hirohito, Kamikawa, Tatsuhiko, Yamaoka, Yoshio, ...

The chaperonin-containing t-complex polypeptide 1 (CCT) is a hetero-oligomeric molecular chaperone that assists in the folding of actin, tubulin, and other cytosolic proteins. We recently reported...

Conserved Region 2.1 of Escherichia coli Heat Shock Transcription Factor σ32 Is Required for Modulating both Metabolic Stability and Transcriptional Activity

Horikoshi, Mina, Yura, Takashi, Tsuchimoto, Sachie, Fukumori, Yoshihiro, Kanemori, Masaaki

Escherichia coli heat shock transcription factor σ32 is rapidly degraded in vivo, with a half-life of about 1 min. A set of proteins that includes the DnaK chaperone team (DnaK, DnaJ, GrpE) and...

Autoantibodies against chaperonin CCT in human sera with rheumatic autoimmune diseases: comparison with antibodies against other Hsp60 family proteins

Yokota, Shin-ichi, Hirata, Daisuke, Minota, Seiji, Higashiyama, Takanobu, Kurimoto, Masashi, Yanagi, Hideki, ...

Chaperonin CCT containing t-complex polypeptide 1 is a cytosolic molecular chaperone that assists in the folding of actin, tubulin, and other proteins and is a member of the 60-kDa heat shock protein...

Phenethyl Alcohol Resistance in ESCHERICHIA COLI. III. a Temperature-Sensitive Mutation (dnaP) Affecting DNA Replication

Wada, Chieko, Yura, Takashi

A temperature-sensitive DNA replication mutant of E. coli K-12 was isolated among the mutants selected for phenethyl alcohol resistance at low temperatures. This mutation, designated as dnaP18,...

mRNA splicing-mediated C-terminal replacement of transcription factor Hac1p is required for efficient activation of the unfolded protein response

Mori, Kazutoshi, Ogawa, Naoki, Kawahara, Tetsushi, Yanagi, Hideki, Yura, Takashi

Eukaryotic cells control the levels of molecular chaperones and folding enzymes in the endoplasmic reticulum (ER) by a transcriptional induction process termed the unfolded protein response (UPR)...

Dynamic interplay between antagonistic pathways controlling the σ32 level in Escherichia coli

Morita, Miyo T., Kanemori, Masaaki, Yanagi, Hideki, Yura, Takashi

The heat-shock response in Escherichia coli depends primarily on the transient increase in the cellular level of heat-shock sigma factor σ32 encoded by the rpoH gene, which results from both...

Endoplasmic Reticulum Stress-induced mRNA Splicing Permits Synthesis of Transcription Factor Hac1p/Ern4p That Activates the Unfolded Protein Response

Kawahara, Tetsushi, Yanagi, Hideki, Yura, Takashi, Mori, Kazutoshi

An intracellular signaling from the endoplasmic reticulum (ER) to the nucleus, called the unfolded protein response (UPR), is activated when unfolded proteins are accumulated in the ER under a...

Mammalian Transcription Factor ATF6 Is Synthesized as a Transmembrane Protein and Activated by Proteolysis in Response to Endoplasmic Reticulum Stress

Haze, Kyosuke, Yoshida, Hiderou, Yanagi, Hideki, Yura, Takashi, Mori, Kazutoshi

The unfolded protein response (UPR) controls the levels of molecular chaperones and enzymes involved in protein folding in the endoplasmic reticulum (ER). We recently isolated ATF6 as a candidate for...

ATF6 Activated by Proteolysis Binds in the Presence of NF-Y (CBF) Directly to the cis-Acting Element Responsible for the Mammalian Unfolded Protein Response

Yoshida, Hiderou, Okada, Tetsuya, Haze, Kyosuke, Yanagi, Hideki, Yura, Takashi, Negishi, Manabu, ...

Transcription of genes encoding molecular chaperones and folding enzymes in the endoplasmic reticulum (ER) is induced by accumulation of unfolded proteins in the ER. This intracellular signaling,...

Overexpression of Trigger Factor Prevents Aggregation of Recombinant Proteins in Escherichia coli

Nishihara, Kazuyo, Kanemori, Masaaki, Yanagi, Hideki, Yura, Takashi

To examine the effects of overexpression of trigger factor (TF) on recombinant proteins produced in Escherichia coli, we constructed plasmids that permitted controlled expression of TF alone or...

Overexpression of Protein Disulfide Isomerase DsbC Stabilizes Multiple-Disulfide-Bonded Recombinant Protein Produced and Transported to the Periplasm in Escherichia coli

Kurokawa, Yoichi, Yanagi, Hideki, Yura, Takashi

Dsb proteins (DsbA, DsbB, DsbC, and DsbD) catalyze formation and isomerization of protein disulfide bonds in the periplasm of Escherichia coli. By using a set of Dsb coexpression plasmids constructed...

Heat-Induced Synthesis of ς32 in Escherichia coli: Structural and Functional Dissection of rpoH mRNA Secondary Structure

Morita, Miyo, Kanemori, Masaaki, Yanagi, Hideki, Yura, Takashi

The heat shock response in Escherichia coli depends primarily on the increased synthesis and stabilization of otherwise scarce and unstable ς32 (rpoH gene product), which is required for the...

The ATP-Dependent HslVU/ClpQY Protease Participates in Turnover of Cell Division Inhibitor SulA in Escherichia coli

Kanemori, Masaaki, Yanagi, Hideki, Yura, Takashi

Escherichia coli mutants lacking activities of all known cytosolic ATP-dependent proteases (Lon, ClpAP, ClpXP, and HslVU), due to double deletions [ΔhslVU and Δ(clpPX-lon)], cannot grow at low...

Differential and Independent Roles of a ς32 Homolog (RpoH) and an HrcA Repressor in the Heat Shock Response of Agrobacterium tumefaciens

Nakahigashi, Kenji, Ron, Eliora Z., Yanagi, Hideki, Yura, Takashi

The heat shock response in alpha proteobacteria is unique in that a combination of two regulators is involved: a positive regulator, RpoH (ς32 homolog), found in the alpha, beta, and gamma...

DnaK Chaperone-Mediated Control of Activity of a ς32 Homolog (RpoH) Plays a Major Role in the Heat Shock Response of Agrobacterium tumefaciens

Nakahigashi, Kenji, Yanagi, Hideki, Yura, Takashi

RpoH (Escherichia coli ς32 and its homologs) is the central regulator of the heat shock response in gram-negative proteobacteria. Here we studied salient regulatory features of RpoH in Agrobacterium...

Endoplasmic Reticulum Stress-Induced Formation of Transcription Factor Complex ERSF Including NF-Y (CBF) and Activating Transcription Factors 6α and 6β That Activates the Mammalian Unfolded Protein Response

Yoshida, Hiderou, Okada, Tetsuya, Haze, Kyosuke, Yanagi, Hideki, Yura, Takashi, Negishi, Manabu, ...

The levels of molecular chaperones and folding enzymes in the endoplasmic reticulum (ER) are controlled by a transcriptional induction process termed the unfolded protein response (UPR). The...

Chaperone Coexpression Plasmids: Differential and Synergistic Roles of DnaK-DnaJ-GrpE and GroEL-GroES in Assisting Folding of an Allergen of Japanese Cedar Pollen, Cryj2, in Escherichia coli

Nishihara, Kazuyo, Kanemori, Masaaki, Kitagawa, Masanari, Yanagi, Hideki, Yura, Takashi

Plasmids that can be used for controlled expression of the DnaK-DnaJ-GrpE and/or GroEL-GroES chaperone team were constructed in order to facilitate assessment of the effects of these chaperone teams...

Regulatory Conservation and Divergence of ς32 Homologs from Gram-Negative Bacteria: Serratia marcescens, Proteus mirabilis, Pseudomonas aeruginosa, and Agrobacterium tumefaciens

Nakahigashi, Kenji, Yanagi, Hideki, Yura, Takashi

The heat shock response in Escherichia coli is mediated primarily by the rpoH gene, encoding ς32, which is specifically required for transcription of heat shock genes. A number of ς32 homologs have...

Heat Shock Proteome of Agrobacterium tumefaciens: Evidence for New Control Systems

Rosen, Ran, Büttner, Knut, Becher, Dörte, Nakahigashi, Kenji, Yura, Takashi, Hecker, Michael, ...

The regulation of Agrobacterium tumefaciens heat shock genes involves a transcriptional activator (RpoH) and repressor elements (HrcA-CIRCE). Using proteome analysis and mutants in these control...

Temperature-sensitive Repression of the Tryptophan Operon in Escherichia coli

Ito, Koreaki, Hiraga, Sota, Yura, Takashi

Mutants of Escherichia coli exhibiting temperature-sensitive repression of the tryptophan operon have been isolated among the revertants of a tryptophan auxotroph, trpS5, that produces an altered...

Autoantibodies against chaperonin CCT in human sera with rheumatic autoimmune diseases: comparison with antibodies against other Hsp60 family proteins

Yokota, Shin-ichi, Hirata, Daisuke, Minota, Seiji, Higashiyama, Takanobu, Kurimoto, Masashi, Yanagi, Hideki, ...

Chaperonin CCT containing t-complex polypeptide 1 is a cytosolic molecular chaperone that assists in the folding of actin, tubulin, and other proteins and is a member of the 60-kDa heat shock protein...

Translational induction of heat shock transcription factor σ32: evidence for a built-in RNA thermosensor

Morita, Miyo Terao, Tanaka, Yoshiyuki, Kodama, Takashi S., Kyogoku, Yoshimasa, Yanagi, Hideki, Yura, Takashi

Induction of heat shock proteins in Escherichia coli is primarily caused by increased cellular levels of the heat shock σ-factor σ32 encoded by the rpoH gene. Increased σ32 levels result from both...

Increased expression of cytosolic chaperonin CCT in human hepatocellular and colonic carcinoma

Yokota, Shin-ichi, Yamamoto, Yuzo, Shimizu, Kenji, Momoi, Hirohito, Kamikawa, Tatsuhiko, Yamaoka, Yoshio, ...

The chaperonin-containing t-complex polypeptide 1 (CCT) is a hetero-oligomeric molecular chaperone that assists in the folding of actin, tubulin, and other cytosolic proteins. We recently reported...

Conserved Region 2.1 of Escherichia coli Heat Shock Transcription Factor σ32 Is Required for Modulating both Metabolic Stability and Transcriptional Activity

Horikoshi, Mina, Yura, Takashi, Tsuchimoto, Sachie, Fukumori, Yoshihiro, Kanemori, Masaaki

Escherichia coli heat shock transcription factor σ32 is rapidly degraded in vivo, with a half-life of about 1 min. A set of proteins that includes the DnaK chaperone team (DnaK, DnaJ, GrpE) and...

Phenethyl Alcohol Resistance in ESCHERICHIA COLI. III. a Temperature-Sensitive Mutation (dnaP) Affecting DNA Replication

Wada, Chieko, Yura, Takashi

A temperature-sensitive DNA replication mutant of E. coli K-12 was isolated among the mutants selected for phenethyl alcohol resistance at low temperatures. This mutation, designated as dnaP18,...

Analysis of σ32 mutants defective in chaperone-mediated feedback control reveals unexpected complexity of the heat shock response

Yura, Takashi, Guisbert, Eric, Poritz, Mark, Lu, Chi Zen, Campbell, Elizabeth, Gross, Carol A.

Protein quality control is accomplished by inducing chaperones and proteases in response to an altered cellular folding state. In Escherichia coli, expression of chaperones and proteases is...

Convergence of Molecular, Modeling, and Systems Approaches for an Understanding of the Escherichia coli Heat Shock Response

Guisbert, Eric, Yura, Takashi, Rhodius, Virgil A., Gross, Carol A.

Summary: The heat shock response (HSR) is a homeostatic response that maintains the proper protein-folding environment in the cell. This response is universal, and many of its components are well...