01.
“Construction and Characterization of Mutant Water Soluble PQQ Glucose Dehydrogenase with Altered Km Value - Site Directed Mutagenesis studies on the Putative Active Site-
,
Satoshi Igarashi, Takafumi Ootera, Hiromi Yoshida, Arief B. Witarto and Koji Sode,
Biochem.Biophys.Res.Commun. 264, 820-824(1999)
02.
“Construction and Characterization of Linked-dimeric Pyrroloquinoline Quinone Glucose Dehydrogenase”
,
Koji Sode, Miki Shirahane and Hiromi Yoshida,
Biotechnol.Lett., 21(8), 707-710(1999)
03.
“Increased Thermal Stability of Glucose Dehydrogenase by Cross-linking Chemical Modification”
,
Tomohiko Yamazaki, Wakako Tsugawa and Koji Sode,
Biotechnol. Lett. 21, 199-202(1999)
04.
“Design of New Primers that can Detect Salmonella without Decrease of Detection Theshold in the Presence of Contaminant Organisms”
,
Akira Takeuchi and Koji Sode,
Biotechnol. Techniques, 13, 81-85(1999)
05.
“Engineering a Chimeric Pyrooloquinoline Quinone Glucose Dehydrogenase: Improvement of EDTA Tolerance, Thermal Stability and Substrate Specificity”
,
Hiromi Yoshida, Katsuhiro Kojima, Arife Budi Witarto and Koji Sode,
Protein Eng. 12, 63-70(1999)
06.
“Effect of Growth Substrates on Production of New Soluble Glucose 3-Dehydrogenase in Halomonas(Deleya )sp. a-15”
,
YKatsuhiro Kojima, Wakako Tsugawa, Tetsuro Hamafuji, Yoshifumi Watazu and Koji Sode,
Appl.Biochem.Biotechnol. 77-79, 827-834(1999)
07.
“Construction and Characterization of Fermentative Lactate Dehydrogenase Mutant of Escherichia coli and Its Potential for Hydrogen Production”
,
Koji Sode, Mika Watanabe, Makimoto and Masamitsu Tomiyama,
App.Biochem.Biotechnol. 77-79, 317-323(1999)
08.
“Subunits Analyses of a Novel Thermostable Glucose Dehydrogenase Showing Different Temperature Properties According to Its Quaternary Structure”
,
Tomohiko Yamazaki, Wakako Tsugawa, and Koji Sode,
Appl.Biochm.Biotechnol. 77-79, 325-335(1999)
09.
“Site Directed Mutagenesis Study of Thermostable Chimeric PQQ Glucose Dehydrogenase and Its Structural Interpretation”
,
Arief Budi Witarto, Takafumi Ohtera and Koji Sode,
Appl.Biochem.Biotechnol. 77-79, 159-168(1999)
10.
“Secondary Structure Study of PQQ Glucose Dehydrogenase”
,
Arief B.Witarto, Shokichi Ohuchi, Mitsuaki Narita and Koji Sode,
J.Biochem.Mol.Biol.Biophys. 2, 209-213(1999)
01.
"Construction of a Marine Cyanobacterial Strain with Increased Heavy Metal Ion Tolerance by Introducing Exogenic Metallothionein Gene”
,
Koji Sode, Yuusuke Yamamoto and Naoaki Hatatno,
J.Marine Biotechnol. 6, 174-177(1998)
02.
"Effect of Hydrogenase 3 Over-expression and Disruption of Nitrate Reductase on Fermentative Hydrogen Production in E.coli - a Metabolic Engineering Approach”
Koji Sode, Mika Watanabe, Hiroshi Makimoto and Masamitsu Tomiyama,
Proc. of BioHydrogen'97, 73-80(1998)
03.
"Fluorescent Measurement of 1,5-Anhydro-D-Glucitol Based on Novel Marine Bacterial Glucose Dehydrogenase”
,
Wakako Tsugawa, Nobuhiro Ogasawara and Koji Sode,
Enz.Microbiol.Biotechnol. 22, 269-274 (1998)
04.
"The Statistical Characterization of the Eleven Kinds of Helix Elements with Amino Acid Residues in the Middle of Triplets”
Mitsuaki Narita, Koji Sode, Shohkichi Ohuchi, Yuka Murakawa and Mitsuo Hitomi,
Bull.Chem.Soc.Jpn. 71, 385-395 (1998)
01.
“Biochemical Properties and Colony Formation Patterns of Salmonella-Like Strains
,
Akira Takeuchi and Koji Sode,
Biocontrol Sicence 2(2), 93-97 (1997)
02.
"Compatibility of Phosphotriesterase from Flavobacterium sp. with Detergent"
,
Koji Sode and Hiroyuki Nakamura,
Biotechnol. Lett., 19(12), 1239-1242(1997)
03.
"Improved Substrate Specificity and Dynamic Range for Glucose Measurement of E.coli PQQ Glucose Dehydrogenase by Site Directed Mutagenesis"
,
Koji Sode and Katsuhiro Kojima,
Biotechnology Lett. 19(11), 1073-1077(1997)
04.
“Thr424 to Asn Substitution Alters Bivalent Metal Specificity of Pyrroloquinoline Quinone Glucose Dehydrogenase”
,
Hiromi Yoshida and Koji Sode,
J.Biochem.Mol.Bio. and Biophy. 1, 89-93(1997)
05.
“Growth Properties of a Marine Bacterium Capable of Assimilating 1,5-Anhydro-D-Glucitol as the Sole Carbon Source”
,
Wakako Tsugawa and Koji Sode,
J.Marine Biotechnol. 5, 201-204(1997)
06.
“A New Type of Phi, Psi Representation of the Protein Tertiary Structure and Analysis of the Amino Acid Preferences for Specific Locations at Type-II beta-Turn by Using 8000 Possible Kinds of Amino Acid Residues”
,
Mitsuaki Narita, Koji Sode, Shokichi Ohuchi, Mitsuo Hitomi and Yuka Murakawa,
Bull.Chem.Soc.Jpn., 70, 1639-1648(1997)
07.
“Preparation of Lyophilized Pyrroloquinoline Quinone Glucose Dehydrogenase Using Trehalose as an Additive”
,
Koji Sode and Nozomu Yasutake,
Biotechnology Techniques, 11(8), 577-580 (1997)
08.
“Alteration of Substrate Specifity of Galactose Oxidase by Chemical Cross-linking”
,
Koji Sode, Tomohiko Yamazaki, Tomonori Shimakita and Wakako Tsugawa,
Denki Kagaku, 65(6), 435-439, (1997)
09.
“An Optical Resolution of Racemic Organophosphorous Esters by Phosphotriesterase Catalyzing Hydrolysis”
,
Shokichi Ohuchi, Hiroyuki Nakamura, Hiroto Sugiura, Mitsuaki Narita and Koji Sode,
Appl.Biochem.Biotechnol., 63/64, 659-665(1997)
10.
“Construction and Characterization of Chimeric E.coli PQQGDH Possessing Region Responsible for EDTA Tolerance of A.calcoaceticus PQQGDH”
,
Koji Sode and Hiromi Yoshida,
Denki Kagaku, 65(6), 444-451(1997)
11.
“Induction of Temperate Marine Cyanophage by Heavy Metals”
,
Koji Sode, Rie Oonari, and Miyoko Oozeki,
J.Marine Biotechnol., 5, 178-180 (1997)
01.
“Recovery of Marine Cyanobacterial Recombinant Product Using Fish Feed Organisms”
,
Koji Sode, Toshihiro Hayashi, Masahiro Tatara, Naoaki Hatano, Hiromi Yoshida, Haruko Takeyama, Tadashi Matsunaga and Takashi Oshiro,
J.Marine Biotechnol., 4(2), 82-86(1996)
02.
“Cloning of Marine Cyanobacterial Promoter for Foreign Gene Expression Using a Promoter Probe Vector”
,
Koji Sode, Naoaki Hatano and Masahiro Tatara,
Appl. Biochem.Biotechnol., 59(3), 349-360(1996)
03.
“Stabilization of PQQ Glucose Dehydrogenase by Chemical Cross-linking Modification”
,
Koji Sode, Tomonori Shimakita, Shokichi Oouchi and Tomohiko Yamazaki,
Biotechnol. Lett., 18(9), 997-1002(1996)
04.
“Development of a Novel Conductometric Determination of Organophosphate Insecticides Using Phosphotriesterase”
,
Koji Sode, Hiromi Togo, Tomohiko Yamazaki, Wakako Tsugawa, Shookichi Oouchi,
Denki Kagaku, 64(12), 1234-1238(1996)
05.
“Increased Production of Recombinant PQQ Glucose Dehydrogenase by Metabolic Engineered E.coli Capable of PQQ Biosynthesis”
,
Koji Sode, Koji Ito, Arief B.Witarto, Kazumoto Watanabe, Hiromi Yoshida and Pieter Postma,
J.Biotechnol., 49, 239-243(1996)
06.
“A Novel Transesterification Catalyzed by Phosphotriesterase in an Organic Solvent”
,
Koji Sode, Hiroyuki Nakamura, Shookichi Oouchi and Mitsuaki Narita,
Biotechnol.Lett. 18(8), 923-926(1996)
07.
“A Novel Thermostable Glucose Dehydrogenase Varying Temperature Properties by Altering Its Quaternary Structure”
,
Koji Sode, Wakako Tsugawa, Tomohiko Yamazaki, Masato Watanabe, Nobuhiro Ogasawara, and Mitsuharu Tanaka,
Enz.Microb.Technol.19, 82-85(1996)
08.
“Purification of a Marine Bacterial Glucose Dehydrogenase from Cytophaga marinoflava and Its Application for Measurement of 1,5-Anhydro-D-Glucitol”
,
Wakako Tsugawa, Shuichi Horiuchi, Mitstuharu Tanaka, Hitoshi Wake and Koji Sode,
Appl. Biochem.Biotechnol., 56, 301-310(1996)