YOSHIKO OKAMURA
Last Updated :2023/05/10
- Affiliations, Positions
- Graduate School of Integrated Sciences for Life, Professor
- E-mail
- okamuray
hiroshima-u.ac.jp
- Self-introduction
- Focusing on the diversity and high functionality of marine bacteria, we have developed innovative gene detection and a novel gene synthesis technologies for the utilization of their useful genes. We are also producing biogenic metal crystals and biomass plastics from wastewater thorough their biological process.
Basic Information
Major Professional Backgrounds
- 2011/01/01, 2019/03/31, Hiroshima University, Graduate School of Advanced Sciences of Matter, Associate Professor
Academic Degrees
- Ph.D. in Engineering, Tokyo University of Agriculture and Technology
- Master of Education, Tokyo Gakugei University
Educational Activity
- [Bachelor Degree Program] School of Engineering : Cluster 3(Applied Chemistry, Biotechnology and Chemical Engineering) : Program of Biotechnology
- [Master's Program] Graduate School of Integrated Sciences for Life : Division of Integrated Sciences for Life : Program of Biotechnology
- [Doctoral Program] Graduate School of Integrated Sciences for Life : Division of Integrated Sciences for Life : Program of Biotechnology
In Charge of Primary Major Programs
Research Fields
- Chemistry;Applied chemistry;Energy-related chemistry
- Chemistry;Applied chemistry;Bio-related chemistry
- Engineering;Process / Chemical engineering;Biofunction / Bioprocess
- Biological Sciences;Genome science;Genome biology
Research Keywords
- biopolymer
- Marine Biotechnology
- Biomineralization
- microbial genome
- metagenome
- Photosynthetic bacteria
Affiliated Academic Societies
- Material Research Society
- The Chemical Society of Japan
- The Society for Biotechnology, Japan
- The Molecular Biology Society of Japan
- Japanese Society for Marine Biotechnology
Educational Activity
Course in Charge
- 2023, Undergraduate Education, 2Term, Analytical Chemistry
- 2023, Undergraduate Education, First Semester, Training of Biotechnology I
- 2023, Undergraduate Education, 4Term, Genetic and protein engineering
- 2023, Graduate Education (Master's Program) , 2Term, societal implementation of life science
- 2023, Graduate Education (Master's Program) , 2Term, Integrated Genome Science B
- 2023, Graduate Education (Master's Program) , 1Term, Integrated Science & Engineering for Nano Bio Materials
- 2023, Graduate Education (Master's Program) , Academic Year, Seminar in Biotechnology
- 2023, Graduate Education (Master's Program) , 1Term, Exercises in Biotechnology A
- 2023, Graduate Education (Master's Program) , 2Term, Exercises in Biotechnology A
- 2023, Graduate Education (Master's Program) , 3Term, Exercises in Biotechnology B
- 2023, Graduate Education (Master's Program) , 4Term, Exercises in Biotechnology B
- 2023, Graduate Education (Master's Program) , Academic Year, Research for Academic Degree Dissertation in Biotechnology
- 2023, Graduate Education (Doctoral Program) , Academic Year, Research for Academic Degree Dissertation in Integrated Life Sciences
Research Activities
Academic Papers
- Visualization of Gene Reciprocity among Lactic Acid Bacteria in Yogurt by RNase H-Assisted Rolling Circle Amplification-Fluorescence In Situ Hybridization, MICROORGANISMS, 9(6), 202106
- Evaluation of marine sediments as microbial sources for methane production from brown algae under high salinity, BIORESOURCE TECHNOLOGY, 169, 362-366, 201410
- Value-added lipid production from brown seaweed biomass by two-stage fermentation using acetic acid bacterium and thraustochytrid, APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 98(22), 9207-9216, 201411
- Behavior of organics in kelp during hydrothermal pretreatment: Fundamental characteristics and effect of salt, Journal of the Japan Institute of Energy, 93, 531-535, 2014
- Isolation and characterization of a GDSL esterase from the metagenome of a marine sponge-associated bacteria, Marine Biotechnology, 12, 395-402, 201011
- Improved methane production from brown algae under high salinity by fed-batch acclimation, BIORESOURCE TECHNOLOGY, 187, 275-281, 201507
- Whole genome sequence of Desulfovibrio magneticus strain RS-1 revealed common gene clusters in magnetotactic bacteria, Genome Research, 19, 1801-1808, 2009
- Cellular response to electrochemical killing process by applying a constant potential in synchronously cultured Saccharomyces cerevisiae, Electrochemistry, 76, 603-605, 2008
- Development of cell surface display system in a Magnetotactic bacterium, Magnetospirillum magneticum AMB-1, Applied and Environmental Microbiology, 74, 3342-3348, 2008
- Cytoplasmic ATPase involved in ferrous ion uptake from magnetotactic bacterium Magnetospirillum magneticum AMB-1, FEBS Letter, 581, 3443-3448, 2007
- Origin of Magnetosome Membrane: Proteomic Analysis of Magnetosome Membrane and Comparison with Cytoplasmic Membrane, Proteomics, 6, 5234-5247, 2006
- Global gene expression analysis of iron-inducible genes in Magnetospirillum magneticum AMB-1, Journal of Bacteriology, 188, 2275-2279, 2006
- Dynamic analysis of genomeic island in Magnetospirillum sp. strain AMB-1 reveals how magnetosome synthesis developed, FEBS Letter, 580, 801-812, 2006
- Complete genome sequence of the facultative anaerobic magnetotactic bacterium Magnetospirillum sp. strain AMB-1, DNA Research, 12, 157-166, 2005
- Specific degradation of H. pylori urease by a catalytic antibody light chain, FEBS Journal, 272, 4497-4505, 2005
- Siderophore Production of a Periplasmic Transport Bionding Protein Kinase Gene Defective Mutant of Magnetospirillum magneticum AMB-1, Biochemical and Biophysical Research Communication, 323, 852-857, 2004
- Assembly of G protein-coupled receptors onto nanosized bacterial magnetic particles using Mms16 as an anchor molecule, Applied and Environmental Microbiology, 70, 2880-2885, 2004
- Biotechnological Application of Nano-Scale Engineered Bacterial Magnetic Particles, Journal of Materials Chemistry, 14, 2099-2105, 2004
- Design and application of a new cryptic-plasmid-based shuttle vector for Magnetospirillum magneticum, Applied and Environmental Microbiology, 69, 4274-4277, 2003
- Characterization of aldehyde ferredoxin oxidoreductase gene defective mutant in Magnetospirillum magneticum AMB-1, Biochemical and Biophysical Research Communication, 303, 223-229, 2003
- Siderophore production by the magnetic bacterium Magnetospirillum magneticum AMB-1., FEMS Microbiology Letter, 218, 371-375, 2003
- Genes and proteins involved in bacterial magnetic particle formation, Trends in Microbiology, 11(11), 536-541, 2003
- MAGNETIC BACTERIA AND THEIR APPLICATIONS, Biomolecular Engineering, 20(2), 49-49, 2003
- Bionanomagnet and its application, International Journal of Nanoscience, 1(5 & 6), 1-7, 2002
- Molecular mechanism of bacterial magnetite formation and its application, Material Research Society Symposium Proceeding, 724, N.1.4.1., 2002
- A magnetosome specific GTPase from the magnetic bacterium Magnetospirillum magneticum AMB-1, Journal of Biological Chemistry, 276, 48183-48188, 2001
- Cloning and characterization of a gene, mpsA, encoding a protein associated with intracellular magnetic particles from Magnetospirillum sp. strain AMB-1, Biochemical and Biophysical Research Communication, 268, 932-937, 2000
- Two-dimensional analysis of proteins specific to the bacterial magnetic particle membrane from Magnetospirillum sp. AMB-1, Applied Biochemistry and Biotechnology, 84-86, 441-446, 2000
- Identification of the gene cluster involved in ferredoxin in the flanking region of transposon from non-magnetic mutant of Magnetospirillum sp. AMB-1, Proceeding of "8th INTERNATIONAL CONFERENCE ON FERRITES, 84-86, 2000
- Determination of Mannitol Decomposition Rate under Hydrothermal Pretreatment Condition, JOURNAL OF THE JAPAN PETROLEUM INSTITUTE, 58(4), 252-255, 201507
- Selenium recovery and conversion by a Filamentous Fungus, Aspergillus oryzae Strain RIB40, Asia Pacific Journal of Sustainable Agriculture Food and Energy, 2(2), 5-8, 2014
- Effect of Salinity on Methanogenic Propionate Degradation by Acclimated Marine Sediment-Derived Culture, APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY, 177(7), 1541-1552, 201512
- Semi-continuous methane production from undiluted brown algae using a halophilic marine microbial community, BIORESOURCE TECHNOLOGY, 200, 616-623, 201601
- Dysgonomonas alginatilytica sp nov., an alginate-degrading bacterium isolated from a microbial consortium, INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY, 65, 3570-3575, 201510
- Isolation and characterization of bacterium producing lipid from short-chain fatty acids, BIORESOURCE TECHNOLOGY, 201, 215-221, 201602
- High-rate Fermentation of Acetate to Methane under Saline Condition by Aceticlastic Methanogens Immobilized in Marine Sediment, PEDIATRIC NEUROLOGY, 55, 9-15, 201602
- Characterization of a halotolerant acetoclastic methanogen highly enriched from marine sediment and its application in removal of acetate, JOURNAL OF BIOSCIENCE AND BIOENGINEERING, 121(2), 196-202, 201602
- Bacterial community structure and predicted alginate metabolic pathway in an alginate-degrading bacterial consortium, JOURNAL OF BIOSCIENCE AND BIOENGINEERING, 121(3), 286-292, 201603
- Development of a bench-top extra-cleanroom for DNA amplification., Bio Techniques, 61(1), 42-46, 201607
- Decomposition kinetics of uronic acids obtained from kelp under hydrothermal condition, Journal of the Energy Institute, 90, 185-190, 2017
- Decomposition kinetics of mannose, its sugar alcohol, and its uronic acid under hydrothermal condition., Journal of Chemical Engineering of Japan, 49, 663-667, 2016
- Characterization of a novel gene involved in cadmium accumulation screened from sponge-associated bacterial metagenome., Gene, 576, 618-625, 2016
- Role of carbonic anhydrase in photosynthesis of unicellular marine algae coccolithophorids (Haptophyta)., Research in photosynthesis, 3, 783-786, 1992
- Molecular mechanism of magnetosome formation in Magnetospirillum magneticum AMB-1, BIOMINERALIZATION (BIOM2001) formation, diversity, evolution and application, 272-276, 2002
- Development of a bench-top extra-cleanroom for DNA amplification, BIOTECHNIQUES, 61(1), 42-46, 201607
- Kinetics of Sorbitol Decomposition under Hydrothermal Condition, JOURNAL OF THE JAPAN PETROLEUM INSTITUTE, 59(4), 149-154, 201607
- Decomposition Kinetics of Mannose, Its Sugar Alcohol, and Its Uronic Acid under Hydrothermal Condition, JOURNAL OF CHEMICAL ENGINEERING OF JAPAN, 49(7), 663-667, 201607
- Kinetics of sorbitol decomposition under hydrothermal condition, Journal of Japan Petroleum Institute, 59, 149-154, 2016
- In-situ mass spectroscopic analysis of glucose decomposition under hydrothermal condition: Quantitative analysis for reaction kinetics, Journal of the Japan Petroleum Institute, 60, 101-109, 2017
- In situ mass spectrometry of glucose decomposition under hydrothermal reactions, KOREAN JOURNAL OF CHEMICAL ENGINEERING, 34(5), 1524-1530, 201705
- Real-Time Mass Spectrometric Analysis of Hydrothermal Reaction Products, INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 56(36), 9993-9998, 20170913
- Improved methanization and microbial diversity during batch mode cultivation with repetition of substrate addition using defined organic matter and marine sediment inoculum at seawater salinity, BIORESOURCE TECHNOLOGY, 245, 833-840, 201712
- Quantitative In Situ Mass Spectrometry Analysis of Mannitol Decomposition Products under Hydrothermal Conditions, ENERGY & FUELS, 31(10), 10866-10873, 201710
- Efficient conversion of mannitol derived from brown seaweed to fructose for fermentation with a thraustochytrid, JOURNAL OF BIOSCIENCE AND BIOENGINEERING, 125(2), 180-184, 201802
- Isolation of High Carotenoid-producing Aurantiochytrium sp Mutants and Improvement of Astaxanthin Productivity Using Metabolic Information, JOURNAL OF OLEO SCIENCE, 67(5), 571-578, 201805
- ★, RNase H-assisted RNA-primed rolling circle amplification for targeted RNA sequence detection, SCIENTIFIC REPORTS, 8, 7770, 20180517
- Biomineralization of metallic tellurium by bacteria isolated from marine sediment off Niigata Japan, Proceedings of BIOMIN XIV, 2018
- Potential of Nitratireductor sp. OM-1 to produce more short-chain esters and less excess sludge during wastewater treatment, Papers of the 26th European Biomass Conference, 917-920, 201805
- Metabolite Profile Analysis of Aurantiochytrium limacinum SR21 Grown on Acetate-based Medium for Lipid Fermentation, JOURNAL OF OLEO SCIENCE, 68(6), 541-549, 201906
- ★, Discovery of a novel gene conferring tellurite tolerance through tellurite reduction to Escherichia coli transformant in marine sediment metagenomic library, Marine Biotechnology, 21(6), 762-772, 201912
- ★, Complete genome sequence of Nitratireductor sp. strain OM-1: A lipid-producing bacterium with potential use in wastewater treatment, Biotechnology Reports, 24, e00366, 201912
- ★, Direct detection of mRNA expression in microbial cells by fluorescence in situ hybridization using RNase H-assisted rolling circle amplification, SCIENTIFIC REPORTS, 10(1), 20200615
- Improvement of fatty acid productivity of thraustochytrid, Aurantiochytrium sp. by genome editing, JOURNAL OF BIOSCIENCE AND BIOENGINEERING, 131(4), 373-380, 20210401
- Screening of Neutrophil Activating Factors from a Metagenome Library of Sponge-Associated Bacteria, MARINE DRUGS, 19(8), 202108
Publications such as books
- 2018/04, Biomineralization From Molecular and Nano-structural Analyses to Environmental Science, Chapter 31. Biomineralization of metallic tellurium by bacteria isolated from marine sediment off Niigata Japan., Springer, 2018, 2018, Scholarly Book, Joint work, English, Madison Pascual Munar, Tadaaki Matsuo, Hiromi Kimura, Hirokazu Takahashi, Yoshiko Okamura, 978-981-13-1001-0, 413, 291-301
Invited Lecture, Oral Presentation, Poster Presentation
- Ultrafine nanoparticles of PbS synthesized by biologically induced mineralization, Yoshiko Okamura, Pacifichem2021, 2021/12/19, Without Invitation, English, Online
- What would you produce in wastewater? Products by photosynthetic bacteria in marine biomass waste , Yoshiko Okamura, The 2nd Japan-Hawaii Joint Workshop, 2014/11/06, Higashi-Hiroshima
- Oil production from organic acids derived from marine algal biomass by Nitratireductor sp. OM-1., Yoshiko Okamura, Shota Nakai, Tsunehiro Aki, Yutaka Nakashimada, Yukihiko Matsumura, Takahisa Tajima., APMBC 2017, 2017/05/23, Without Invitation, English, Asia-Pacific Marine Biotechnology conference, Hawaii, USA
- Potential of Nitratireductor sp. OM-1 to produce more short-chain esters and less excess sludge during wastewater treatment., Yoshiko Okamura, EUBCE 2018, 2018/05/14, Without Invitation, English, European Biomass Conference & Exibition, Copenhagen, Denmark
- Removal of ammonium, inhibitor of biodiesel production in Nitratireductor sp. OM – 1, toward wastewater utilization, Yusuke Noboru, Hirokazu Takahashi, Tsunehiro Aki, Yutaka Nakashimada, Yukihiko Matsumura, Yifeng Zhang, Irini Angelidaki, Yosiko Okamura, International Symposium on Fuel and Energy 2018, 2018/06/06, Without Invitation, English
- Characteristics of biogenic PbS
towards future fabrication of biogenic semiconductor devices, Yoriko Tominaga, Ryo Shimizu, Sachiko Maki, Makoto Maeda, Yoshiko Okamura, The 3rd International Symposium on Biomedical Engineering, 2018/11/08, Without Invitation, English, Hiroshima, Japan
- Characteristics of biogenic sulfide semiconductor nanomaterials, Yoriko Tominaga, Ryo Shimizu, Sachiko Maki, Makoto Maeda, Yoshiko Okamura, Material Research Society Fall Meeting 2018, 2018/11/26, Without Invitation, English, Material Research Society, Boston MA, USA
- Challenges for Biodiesel Fuel Production from Wastewater with Nitratireductor sp. OM-1, Yoshiko Okamura, 2018 Japan-Denmark Workshop on Biomass Technology, 2019/03/04, With Invitation, English, Gifu Renewable Energy System Research Center Organization for Research and Community Development Gifu University, Gifu, Japan
- Biogenic nanoparticles – Potential as a semiconductor, Yoshiko Okamura, The 26th Assembly of Advanced Materials Congress, 2019/06/12, With Invitation, English, Stockholm, Sweden
Awards
- 2019/11/20, MEWE2019 The Best Poster Award, MEWE2019 Conference Chair, in situ mRNA detection toward elucidation of functional consortium
- 2002, Young Investigator Award, Gordon Research Conference on Biomineralization conference 2002, Molecular Mechanism of Bacterial Magnetite Formation
Social Activities
History as Committee Members
- International Journal of Molecular Science Editorial Board Member, 2020/04, International Journal of Molecular Science
- Marine Biotechnology Editorial Board Member, 2019/10, Marine Biotechnology
Organizing Academic Conferences, etc.
- Marine Biotechnology Conference2019, Local committee, 2018/08, 2019/09