Eiji Oomae

Last Updated :2024/04/03

Affiliations, Positions
Graduate School of Integrated Sciences for Life, Assistant Professor
E-mail
ohmaehiroshima-u.ac.jp

Basic Information

Academic Degrees

  • Doctor of Science, Hiroshima University
  • Master of Agriculture, Nagoya University

Research Fields

  • Biology;Biological Science;Biophysics

Research Keywords

  • Function of enzymes
  • Structure of enzymes
  • High hydrostatic pressure
  • Deep-sea enzymes

Educational Activity

Course in Charge

  1. 2024, Undergraduate Education, First Semester, Exercises in Physical Chemistry
  2. 2024, Undergraduate Education, 3Term, Bioinformatics
  3. 2024, Graduate Education (Master's Program) , 1Term, Molecular Biophysics
  4. 2024, Graduate Education (Master's Program) , 2Term, Proteomics
  5. 2024, Graduate Education (Master's Program) , 2Term, Topical Seminar in Life Science A
  6. 2024, Graduate Education (Master's Program) , 4Term, Topical Seminar in Life Science B

Research Activities

Academic Papers

  1. Effects of pressure on enzyme function of Escherichia coli dihydrofolate reductase, BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS, 1784(7-8), 1115-1121, 2008
  2. Pressure dependence of the apparent specific volume of bovine serum albumin: Insight into the difference between isothermal and adiabatic compressibilities, BIOPHYSICAL CHEMISTRY, 144(1-2), 67-71, 200909
  3. Coupling effects of distal loops on structural stability and enzymatic activity of Escherichia coli dihydrofolate reductase revealed by deletion mutants, BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS, 1804(4), 846-855, 201004
  4. Cloning and characterization of dihydrofolate reductases from deep-sea bacteria, JOURNAL OF BIOCHEMISTRY, 147(4), 591-599, 201004
  5. Comparative study on dihydrofolate reductases from Shewanella species living in deep-sea and ambient atmospheric-pressure environments, EXTREMOPHILES, 15(2), 165-175, 201103
  6. Pressure-dependent Activity of Dihydrofolate Reductase from a Deep-sea Bacterium \textit{Shewanella violacea} Strain DSS12, Chemistry Letters, 33(7), 798-799, 20040701
  7. Mutational analysis of the damage-recognition and catalytic mechanism of human SMUG1 DNA glycosylase, Nucreic Acids Research, 32(17), 5291-5302, 20041001
  8. Effects of mutation and ligand binding on the compressibility of protein, Progress in Biotechnology, 19, 63-70, 20020401
  9. Mass spectrometry of hydrogen/deuterium exchange of \textit{Escherichia coli} dihydrofolate reductase: Effects of loop mutations, The Journal of Biochemistry, 135, 487-494, 20040401
  10. Effects of point mutations at the flexible loop glycine-67 of \textit{Escherichia coli} dihydrofolate reductase on its stability and function, The Journal of Biochemistry, 119, 703-710, 19960401
  11. Acid and thermal unfolding of \textit{Escherichia coli} dihydrofolate reductase, The Journal of Biochemistry, 120, 946-953, 19960401
  12. A large compressibility change of protein induced by a single amino acid substitution, Protein Science, 5, 542-545, 19960401
  13. Nonadditive effects of double mutations at the flexible loops, glycine-67 and glycine-121, of \textit{Escherichia coli} dihydrofolate reductase on its stability and function, The Journal of Biochemistry, 123, 33-41, 19980401
  14. Effects of point mutations at the flexible loop alanine-145 of \textit{Escherichia coli} dihydrofolate reductase on its stability and function, The Journal of Biochemistry, 123, 839-846, 19980401
  15. Acetonitrile-protein interactions; amino acid solubility and preferential solvation, Biochimica et Biophysica Acta, 1387, 195-205, 19980401
  16. Large flexibility of dihydrofolate reductase as revealed by temperature effects on the volume and compressibility, Chemistry Letters, 1999, 507-508, 19990401
  17. Single amino acid substitutions in flexible loops can induce large compressibility changes in dihydrofolate reductase, The Journal of Biochemistry, 128, 21-27, 20000401
  18. Effects of five-tryptophan mutations on structure, stability and function of \textit{Escherichia coli} dihydrofolate reductase, The Journal of Biochemistry, 130, 439-447, 20010401
  19. Pressure effects on enzyme functions, J. Biol. Macromol., 23-29, 20070701
  20. Discoveries of deep-sea piezophiles, and their pressure adapted enzymes., Proceedings of the 4th International Conference on High Pressure Bioscience and Biotechnology, 1, 114-121, 20071001
  21. Proteins, under high-pressure environments -Discoveries of deep-sea piezophiles, and their pressure adapted enzymes-., The proceedings of International Symposium on Extremophiles and Their Applications, 148-155, 20071001
  22. Effects of mutation at methionine-42 of Escherichia coli dihydrofolate reductase on stability and function: implication of hydrophobic interactions, J. Biochem. (Tokyo), 137, 643-672, 20051001
  23. Pressure dependence of activity and stability of dihydrofolate reductases of the deep-sea bacterium Moritella profunda and Escherichia coli, BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS, 1824(3), 511-519, 201203
  24. Vacuum-ultraviolet circular dichroism of Escherichia coli dihydrofolate reductase: Insight into the contribution of tryptophan residues, CHEMICAL PHYSICS LETTERS, 572, 111-114, 20130530
  25. Thermodynamic and functional characteristics of deep-sea enzymes revealed by pressure effects, EXTREMOPHILES, 17(5), 701-709, 201309
  26. Solvent environments significantly affect the enzymatic function of Escherichia coli dihydrofolate reductase: Comparison of wild-type protein and active-site mutant D27E, BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS, 1834(12), 2782-2794, 201312
  27. Effects of salt on the structure, stability, and function of a halophilic dihydrofolate reductase from a hyperhalophilic archaeon, Haloarcula japonica strain TR-1, EXTREMOPHILES, 19(2), 479-493, 201503
  28. Vacuum-Ultraviolet Circular Dichroism Spectra of Escherichia coli Dihydrofolate Reductase and Its Mutants: Contributions of Phenylalanine and Tyrosine Side Chains and Exciton Coupling of Two Tryptophan Side Chains, JOURNAL OF PHYSICAL CHEMISTRY B, 119(41), 13002-13008, 20151015
  29. High pressure NMR reveals active-site hinge motion of folate-bound Escherichia coli dihydrofolate reductase, BIOCHEMISTRY, 39(42), 12789-12795, 2000
  30. Environmental Adaptation of Dihydrofolate Reductase from Deep-Sea Bacteria., Sub-cellular biochemistry, 72, 2015
  31. Pressure adaptation of 3-isopropylmalate dehydrogenase from an extremely piezophilic bacterium is attributed to a single amino acid substitution., Extremophiles : life under extreme conditions, 20(2), 2016
  32. Similar structural stabilities of 3-isopropylmalate dehydrogenases from the obligatory piezophilic bacterium Shewanella benthica strain DB21MT-2 and its atmospheric congener S. oneidensis strain MR-1., Biochimica et biophysica acta, 1866(5-6)
  33. Halophilic mechanism of the enzymatic function of a moderately halophilic dihydrofolate reductase from Haloarcula japonica strain TR-1., Extremophiles : life under extreme conditions, 21(3), 2017

Publications such as books

  1. Functional, structural, and thermodynamic characteristics of enzymes from deep-sea microorganisms., Microbial Catalysts Volume 1, Nova Science Publisher, 2019, Scholarly Book, Joint work, E. Ohmae, Y. Miyashita, and C. Kato