Faculty Profiles - IMAMURA Koreyoshi

MISC - IMAMURA Koreyoshi

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パッキングのコントロールにより,難結晶性蛋白質の結晶化を促進する結晶化法

小坂恵, 山田秀徳, 二見淳一郎, 多田宏子, 今村維克, 玉田太郎

日本細胞生物学会大会(Web) 71st 2019

パッキング相互作用に着目したタンパク質結晶化法

小坂恵, 山田秀徳, 二見淳一郎, 多田宏子, 今村維克, 玉田太郎

日本結晶学会年会講演要旨集 2019 2019

難結晶性蛋白質のパッキングをコントロールする結晶化法の開発と評価

小坂恵, 山田秀徳, 二見淳一郎, 多田宏子, 今村維克, 玉田太郎

日本結晶学会年会講演要旨集 2018 2018

タンパク質のパッキングをコントロールする疎水性残基導入

小坂恵, 山田秀徳, 二見淳一郎, 多田宏子, 今村維克, 玉田太郎

日本結晶学会年会講演要旨集 2017 107 2017.11

疎水性残基導入が難結晶性タンパク質の結晶化に与える影響

小坂恵, 山田秀徳, 二見淳一郎, 多田宏子, 今村維克, 玉田太郎

日本生化学会大会(Web) 90th ROMBUNNO.3P‐0100 (WEB ONLY) 2017

Sugar surfactantの応用 : 油滴包括およびタンパク質安定化

今村維克, 石田尚之, 今中洋行

日本食品工学会誌 = Japan journal of food engineering 17 ( 3 ) A - 7-11 2016.9

Surfactant-Free Solid Dispersion of Fat-Soluble Flavor in an Amorphous Sugar Matrix, Based on Over-Dissolution of Sugar in Organic Media

( 28 ) 67 - 76 2015

2P-064 Screening of a novel Pd affinity peptide tag and characterization of tag conjugated protein immobilization

Matoba Haruka, Ishida Naoyuki, Imamura Koreyoshi, Imanaka Hiroyuki

67 190 - 190 2015

3P-195 Influences of sequence at the 5'-terminal region and media components on Escherichia coli recombinant expression system

Abo Hirotaka, Hara Hirofumi, Umetsu Mitsuo, Ishida Naoyuki, Imamura Koreyoshi, Imanaka Hiroyuki

67 319 - 319 2015

標的遺伝子の5’末端周辺配列が大腸菌発現系に及ぼす影響

安保紘高, 原啓文, 石田尚之, 今村維克, 今中洋行

日本農芸化学会大会講演要旨集(Web) 2015 2015

2P-020 Influence of codon bias and media components on the Escherichia coli recombinant protein expression system and transcriptional profile of E. coli

Abo Hirotaka, Miki Syunya, Hara Hirofumi, Yamazoe Atsushi, Hosoyama Akira, Tsuchikane Keiko, Imamura Koreyoshi, Imanaka Hiroyuki

66 111 - 111 2014

Utilization of Hydrophilic Polystyrene Affinity Peptide for Functional Biomolecular Immobilization and Effective Site Specific Peptide Binder Screening

H. Imanaka, R. Matsushita, T. Takimoto, T. Kunikata, K. Imamura, K. Nakanishi

BIOPOLYMERS 100 ( 3 ) 270 - 270 2013.5

2P-076 The influence of orientation and density of immobilized ligand molecule on biomolecular interaction

Matsushita Runa, Ishida Naoyuki, Imamura Koreyoshi, Imanaka Hiroyuki

65 123 - 123 2013

3P-180 Screening of novel gold affinity peptide and its application on protein immobilization

Shigemori Yojiro, Ishida Naoyuki, Imamura Koreyoshi, Takahashi Yuichiro, Imanaka Hiroyuki

65 233 - 233 2013

4Cp02 Screening of NFkB(p50) affinity peptides by adopting functional biomoleculer immobilization

Takimoto Takayuki, Miyahara Tetsuya, Imamura Koreyosi, Imanaka Hiroyuki, Kondou Eisaku, Nakanishi Kazuhiro

64 195 - 195 2012

4Cp03 Examination of the site specific peptide drug screening method transcription factor, FOXP3, as the target

Kawasaki Kazuki, Matsumoto Kohei, Imanaka Hiroyuki, Imamura Koreyoshi, Kondou Eisaku

64 195 - 195 2012

11p04 Investigation of overexpression of ε-Lysine acylase from Streptomyces mobaraensis in Escherichia coli as a host

Imanaka Hiroyuki, Taguchi Yuzo, Uchida Tatsuya, Kumon Kazuki, Kuroki Kentaro, Imamura Koreyoshi, Nakanishi Kazuhiro

63 58 - 58 2011

2Ep03 Screening of NFkB(p50)inhibitory peptides using affinity tag mediated functional protein immobilization

Takimoto Takayuki, Miyahara Tetsuya, Imanaka Hiroyuki, Imamura Koreyoshi, Kondo Eisaku, Nakanishi Kazuhiro

63 145 - 145 2011

Development of a highly efficient indigo dyeing method using indican with an immobilized beta-glucosidase from Aspergillus niger

Jingyuan Song, Hiroyuki Imanaka, Koreyoshi Imamura, Kouichi Kajitani, Kazuhiro Nakanishi

JOURNAL OF BIOSCIENCE AND BIOENGINEERING 110 ( 3 ) 281 - 287 2010.9

Language：English Publisher：SOC BIOSCIENCE BIOENGINEERING JAPAN

A highly efficient method for dyeing textiles with indigo is described. In this method, the substrate, indican is first hydrolyzed at an acidic pH of 3 using an immobilized beta-glucosidase to produce indoxyl, under which conditions indigo formation is substantially repressed. The textile sample is then dipped in the prepared indoxyl solution and the textile is finally exposed to ammonia vapor for a short time, resulting in rapid indigo dyeing. As an enzyme, we selected a beta-glucosidase from Aspergillus niger, which shows a high hydrolytic activity towards indican and was thermally stable at temperatures up to 50-60 degrees C, in an acidic pH region. The A. niger beta-glucosidase, when immobilized on Chitopearl BCW-3001 by treatment with glutaraldehyde, showed an optimum reaction pH similar to that of the free enzyme with a slightly higher thermal stability. The kinetics for the hydrolysis of indican at pH 3, using the purified free and immobilized enzymes was found to follow Michaelis-Menten type kinetics with weak competitive inhibition by glucose. Using the immobilized enzyme, we successfully carried out repeated-batch and continuous hydrolyses of indican at pH 3 when nitrogen gas was continuously supplied to the substrate solution. Various types of model textiles were dyed using the proposed method although the color yield varied, depending on the type of textile used. (C) 2010, The Society for Biotechnology, Japan. All rights reserved.

DOI： 10.1016/j.jbiosc.2010.03.010

Web of Science

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Temperature-Scanning Fourier Transform IR Spectroscopic Analysis of Amorphous Sugar Matrices : Changes in Interaction States with Temperature

IMAMURA Koreyoshi

Calorimetry and thermal analysis. 37 ( 4 ) 154 - 161 2010.8

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