H. Seto

Publication List Details

Period

1993 - 2006

Number

48

Co-Authors

Stacking structures of dry phospholipid films on a solid substrate (2006)

Hishida, M., Seto, H., Kaewsaiha, P., Matsuoka, H., Yoshikawa, K.

Stacking structures and surface morphologies of dry phospholipid films on a solid substrate were investigated by X-ray reflectivity (XR) and atomic force microscopy (AFM). A...

Unbinding Transition Induced by Osmotic Pressure in Relation to Unilamellar Vesicle Formation (2006)

Yamada, N. L., Hishida, M., Seto, H., Tsumoto, K., Yoshimura, T.

Small-angle X-ray scattering and phase-contrast microscopy experiments were performed to investigate the effect of the osmotic pressure on vesicle formation in a dioleoylphosphatidylcholine...

A swollen phase observed between the liquid-crystalline phase and the interdigitated phase induced by pressure and/or adding ethanol in DPPC aqueous solution (2006)

Seto, H., Hishida, M., Nobutou, H., Yamada, N. L., Nagao, M., Takeda, T.

A swollen phase, in which the mean repeat distance of lipid bilayers is larger than the other phases, is found between the liquid-crystalline phase and the interdigitated gel phase in DPPC aqueous...

Hydration process of multi-stacked phospholipid bilayers to form giant vesicles (2005)

Hishida, M., Seto, H., Yamada, N. L., Yoshikawa, K.

The hydration process of multi-stacked phospholipid bilayers to form giant vesicles was investigated by time-resolved small angle X-ray scattering. The hydration of lipids in the liquid-crystalline...

The UGT73C5 of Arabidopsis thaliana glucosylates brassinosteroids (2005)

Poppenberger, B., Fujioka, S., Soeno, K., George, G.L., Vaistij, F.E., Hiranuma, S., ...

Steroid hormones are essential for development, and the precise control of their homeostasis is a prerequisite for normal growth. UDP-glycosyltransferases (UGTs) are considered to play an important...

Raman Scattering in the Inorganic Spin-Peierls System alpha'-Na_{1-delta}V_2O_5 (1998)

Kuroe, H., Seto, H., Sasaki, J., Sekine, T., Isobe, M., Ueda, Y.

We have studied the spin-Peierls (SP) transition in alpha'-Na_{1-delta}V_2O_5 (delta = 0, 0.01 and 0.1) by means of Raman scattering. At room temperature, we observe six A_1 and three A_2 phonon...

Small angle neutron scattering study on a phase separation in a 3-component microemulsion system (1993)

Seto, H., Yokoi, E., Komura, S., Schwahn, D., Mortensen, K., Suzuki, J., ...

In literature, the 3-component microemulsion system consisting of AOT, water and n-decane is known to belong to 3D-Ising universality class so far. Recently, we have found that the critical exponent...

Small angle neutron scattering study on a phase separation in a 3-component microemulsion system (1993)

Seto, H., Yokoi, E., Komura, S., Schwahn, D., Mortensen, K., Suzuki, J., ...

In literature, the 3-component microemulsion system consisting of AOT, water and n-decane is known to belong to 3D-Ising universality class so far. Recently, we have found that the critical exponent...

Small angle neutron scattering study on a phase separation in a 3-component microemulsion system (1993)

Seto, H., Yokoi, E., Komura, S., Schwahn, D., Mortensen, K., Suzuki, J., ...

In literature, the 3-component microemulsion system consisting of AOT, water and n-decane is known to belong to 3D-Ising universality class so far. Recently, we have found that the critical exponent...

The Arabidopsis deetiolated2 mutant is blocked early in brassinosteroid biosynthesis.

Fujioka, S, Li, J, Choi, Y H, Seto, H, Takatsuto, S, Noguchi, T, ...

The Arabidopsis DEETIOLATED2 (DET2) gene has been cloned and shown to encode a protein that shares significant sequence identity with mammalian steroid 5 alpha-reductases. Loss of DET2 function...

Biosynthesis of GA73 Methyl Ester in Lygodium Ferns.

Yamauchi, T., Oyama, N., Yamane, H., Murofushi, N., Schraudolf, H., Pour, M., ...

Biosynthesis of GA73 methyl ester (GA73-Me), the principal antheridiogen in Lygodium ferns, was investigated. From the methanol extract of prothallia of Lygodium circinnatum, GA25, GA73, GA73-Me,...

Purification and characterization of phosphoenolpyruvate phosphomutase from Pseudomonas gladioli B-1.

Nakashita, H, Shimazu, A, Hidaka, T, Seto, H

Phosphoenolpyruvate phosphomutase (PEPPM) catalyzes C-P bond formation by intramolecular rearrangement of phosphoenolpyruvate to phosphonopyruvate (PnPy). We purified PEPPM from a gram-negative...

Carboxyphosphonoenolpyruvate phosphonomutase, a novel enzyme catalyzing C-P bond formation.

Hidaka, T, Imai, S, Hara, O, Anzai, H, Murakami, T, Nagaoka, K, ...

An enzyme catalyzing the formation of an unusual C-P bond that is involved in the biosynthesis of the antibiotic bialaphos (BA) was isolated from the cell extract of a mutant (NP71) of Streptomyces...

LiCl treatment releases a nickase implicated in genetic transformation of Streptococcus pneumoniae.

Fujii, T, Naka, D, Toyoda, N, Seto, H

When cells competent for genetic transformation of Streptococcus pneumoniae which could bind and enable entry of extracellular DNA molecules were treated with LiCl, they released a nickase that...

Calcium-requiring step in the uptake of deoxyribonucleic acid molecules through the surface of competent pneumococci.

Seto, H, Tomasz, A

The conversion of surface-adsorbed deoxyribonucleic acid (DNA) molecules to a state in which they are inaccessible to exogenous deoxyribonuclease requires specifically calcium ions; magnesium ions...

Selective release of a deoxyribonucleic acid-binding factor from the surface of competent pneumococci.

Seto, H, Tomasz, A

Methods are described that resulted in the selective release of deoxyribonucleic acid (DNA)-binding factor from the surface of competent pneumococci. The same methods caused a parallel inactivation...

Two types of glucose effects on beta-galactosidase synthesis in a membrane fraction of Escherichia coli: correlation with repression observed in intact cells.

Seto, H, Nagata, Y, Maruo, B

A membrane fraction obtained from an osmotic lysate of Escherichia coli spheroplasts retains capability to synthesize beta-galactosidase. The system also retains cellular regulatory functions, one of...

Effect of glucose and its analogues on the accumulation and release of cyclic adenosine 3',5'-monophosphate in a membrane fraction of Escherichia coli: relation to beta-galactosidase synthesis.

Seto, H, Nagata, Y, Maruo, B

Correlation between beta-galactosidase synthesis and cyclic adenosine 3',5'-monophosphate (cAMP) levels in a membrane fraction obtained from disrupted spheroplasts of Escherichia coli was...

Nucleolytic degradation of homologous and heterologous deoxyribonucleic acid molecules at the surface of competent pneumococci.

Seto, H, Lopez, R, Garrigan, O, Tomasz, A

Competent pneumococci can catalyze the rapid and quantitative degradation of extracellular deocyribonucleic acid (DNA) molecules through the activity of surface-located nucleases (endo- and,...

Cell surface-located deoxyribonucleic acid receptors in transformable pneumococci.

Seto, H, Lopez, R, Tomasz, A

We studied deoxyribonucleic acid (DNA) binding in transformable pneumococci. The relevant findings are as follows. (i) At least half of the DNA Molecules adsorbed to competent cells in the growth...

Protoplast formation and leakage of intramembrane cell components: induction by the competence activator substance of pneumococci.

Seto, H, Tomasz, A

Treatment of pneumococci with activator (a protein that induces bacterial "competence" to absorb deoxyribonucleic acid molecules and undergo genetic transformation) can cause either protoplast...

Inducible Synthesis of β-Galactosidase in Disrupted Spheroplast of Escherichia coli

Maruo, B., Seto, H., Nagata, Y.

A membrane preparation obtained from osmotic lysate of spheroplasts of Escherichia coli cells showed an activity of synthesizing β-galactosidase which was dependent upon oxidative phosphorylation....

Inhibitors of genetic recombination in pneumococci.

Seto, H, Tomasz, A

Treatment of transformable pneumococci with DNA-intercalating agents shortly after the uptake of DNA molecules inhibited the appearance of genetic transformants. The same drug treatments applied 20...

Purification and characterization of a 100 kDa DNA polymerase from cauliflower inflorescence.

Seto, H, Hatanaka, M, Kimura, S, Oshige, M, Tsuya, Y, Mizushina, Y, ...

A DNA polymerase from cauliflower (Brassica oleracea var. botrytis) inflorescence has been purified to near homogeneity through five successive column chromatographies, and temporally designated...

The Arabidopsis deetiolated2 mutant is blocked early in brassinosteroid biosynthesis.

Fujioka, S, Li, J, Choi, Y H, Seto, H, Takatsuto, S, Noguchi, T, ...

The Arabidopsis DEETIOLATED2 (DET2) gene has been cloned and shown to encode a protein that shares significant sequence identity with mammalian steroid 5 alpha-reductases. Loss of DET2 function...

Biosynthesis of GA73 Methyl Ester in Lygodium Ferns.

Yamauchi, T., Oyama, N., Yamane, H., Murofushi, N., Schraudolf, H., Pour, M., ...

Biosynthesis of GA73 methyl ester (GA73-Me), the principal antheridiogen in Lygodium ferns, was investigated. From the methanol extract of prothallia of Lygodium circinnatum, GA25, GA73, GA73-Me,...

Purification and characterization of phosphoenolpyruvate phosphomutase from Pseudomonas gladioli B-1.

Nakashita, H, Shimazu, A, Hidaka, T, Seto, H

Phosphoenolpyruvate phosphomutase (PEPPM) catalyzes C-P bond formation by intramolecular rearrangement of phosphoenolpyruvate to phosphonopyruvate (PnPy). We purified PEPPM from a gram-negative...

Carboxyphosphonoenolpyruvate phosphonomutase, a novel enzyme catalyzing C-P bond formation.

Hidaka, T, Imai, S, Hara, O, Anzai, H, Murakami, T, Nagaoka, K, ...

An enzyme catalyzing the formation of an unusual C-P bond that is involved in the biosynthesis of the antibiotic bialaphos (BA) was isolated from the cell extract of a mutant (NP71) of Streptomyces...

LiCl treatment releases a nickase implicated in genetic transformation of Streptococcus pneumoniae.

Fujii, T, Naka, D, Toyoda, N, Seto, H

When cells competent for genetic transformation of Streptococcus pneumoniae which could bind and enable entry of extracellular DNA molecules were treated with LiCl, they released a nickase that...

Calcium-requiring step in the uptake of deoxyribonucleic acid molecules through the surface of competent pneumococci.

Seto, H, Tomasz, A

The conversion of surface-adsorbed deoxyribonucleic acid (DNA) molecules to a state in which they are inaccessible to exogenous deoxyribonuclease requires specifically calcium ions; magnesium ions...

Selective release of a deoxyribonucleic acid-binding factor from the surface of competent pneumococci.

Seto, H, Tomasz, A

Methods are described that resulted in the selective release of deoxyribonucleic acid (DNA)-binding factor from the surface of competent pneumococci. The same methods caused a parallel inactivation...

Two types of glucose effects on beta-galactosidase synthesis in a membrane fraction of Escherichia coli: correlation with repression observed in intact cells.

Seto, H, Nagata, Y, Maruo, B

A membrane fraction obtained from an osmotic lysate of Escherichia coli spheroplasts retains capability to synthesize beta-galactosidase. The system also retains cellular regulatory functions, one of...

Effect of glucose and its analogues on the accumulation and release of cyclic adenosine 3',5'-monophosphate in a membrane fraction of Escherichia coli: relation to beta-galactosidase synthesis.

Seto, H, Nagata, Y, Maruo, B

Correlation between beta-galactosidase synthesis and cyclic adenosine 3',5'-monophosphate (cAMP) levels in a membrane fraction obtained from disrupted spheroplasts of Escherichia coli was...

Nucleolytic degradation of homologous and heterologous deoxyribonucleic acid molecules at the surface of competent pneumococci.

Seto, H, Lopez, R, Garrigan, O, Tomasz, A

Competent pneumococci can catalyze the rapid and quantitative degradation of extracellular deocyribonucleic acid (DNA) molecules through the activity of surface-located nucleases (endo- and,...

Cell surface-located deoxyribonucleic acid receptors in transformable pneumococci.

Seto, H, Lopez, R, Tomasz, A

We studied deoxyribonucleic acid (DNA) binding in transformable pneumococci. The relevant findings are as follows. (i) At least half of the DNA Molecules adsorbed to competent cells in the growth...

Protoplast formation and leakage of intramembrane cell components: induction by the competence activator substance of pneumococci.

Seto, H, Tomasz, A

Treatment of pneumococci with activator (a protein that induces bacterial "competence" to absorb deoxyribonucleic acid molecules and undergo genetic transformation) can cause either protoplast...

Inducible Synthesis of β-Galactosidase in Disrupted Spheroplast of Escherichia coli

Maruo, B., Seto, H., Nagata, Y.

A membrane preparation obtained from osmotic lysate of spheroplasts of Escherichia coli cells showed an activity of synthesizing β-galactosidase which was dependent upon oxidative phosphorylation....

Inhibitors of genetic recombination in pneumococci.

Seto, H, Tomasz, A

Treatment of transformable pneumococci with DNA-intercalating agents shortly after the uptake of DNA molecules inhibited the appearance of genetic transformants. The same drug treatments applied 20...

Purification and characterization of a 100 kDa DNA polymerase from cauliflower inflorescence.

Seto, H, Hatanaka, M, Kimura, S, Oshige, M, Tsuya, Y, Mizushina, Y, ...

A DNA polymerase from cauliflower (Brassica oleracea var. botrytis) inflorescence has been purified to near homogeneity through five successive column chromatographies, and temporally designated...