| Hirokazu Takahashi*, Kyohei Horio, Setsu Kato, Toshiro Kobori, Kenshi Watanabe, Tsunehiro Aki, YutakaNakashimada, Yoshiko Okamura*. Direct detection of mRNA expression in microbial cells by fluorescence in situhybridization using RNase H-assisted rolling circle amplification. Scientific Reports (Accepted on May 4, 2020) |
| Madison Pascual Munar, Hirokazu Takahashi, Yoshiko Okamura*. Discovery of a novel gene conferring telluritetolerance through tellurite reduction to Escherichia coli transformant in marine sediment metagenomic library.Marine Biotechnology, 21 (6), 762-772, (2019). |
| Yoshiko Okamura*, Laura Treu, Stefano Campanaro, Sena Yamashita, Shota Nakai, Hirokazu Takahashi, KenshiWatanabe, Irini Angelidaki, Tsunehiro Aki, Yukihiko Matsumura, Yutaka Nakashimada. Complete genome sequenceof Nitratireductor sp. strain OM-1: A lipid-producing bacterium with potential use in wastewater treatment.Biotechnology Reports, 24, e00366, (2019). |
| Charose Marie Ting Perez, Kenshi Watanabe, Yoshiko Okamura, Yutaka Nakashimada, Tsunehiro Aki*. Metaboliteprofile analysis of Aurantiochytrium limacinum SR21 grown on acetate-based medium for lipid fermentation. Journalof Oleo Science, 68 (6), 541-549, (2019). |
| 高橋宏和、堀尾京平、小堀俊郎、岡村好子：「ローリングサークル増幅によるRNA直接検出」THE CHEMICAL TIMES 251,12-17, (2019). |
| Hirokazu Takahashi, Masahiko Ohkawachi, Kyohei Horio, Toshiro Kobori, Tsunehiro Aki, Yukihiko Matsumura, YutakaNakashimada, Yoshiko Okamura*. RNase H-assisted RNA-primed rolling circle amplification for targeted RNAsequence detection. Scientific Reports, 8, 7770, (2018). |
| Kenshi Watanabe, Kim Hazel V Arafiles, Risa Higashi, Yoshiko Okamura, Takahisa Tajima, Yukihiko Matsumura,Yutaka Nakashimada, Tsunehiro Aki*. Isolation of Aurantiochytrium sp. mutants highly producing carotenoids andimprovement of astaxanthin productivity using metabolic information. Journal of Oleo Science, 67 (5), 571-578,(2018). |
| Takahisa Tajima*, Kousuke Tomita, Hiroyuki Miyahara, Kenshi Watanabe, Tsunehiro Aki, Yoshiko Okamura, YukihikoMatsumura, Yutaka Nakashimada, Junichi Kato, "Efficient conversion of mannitol derived from brown seaweed tofructose for fermentation with a thraustochytrid." Journal of bioscience and bioengineering, 125 (2), 180-184,(2018). |
| Madison Pascual Munar, Tadaaki Matsuo, Hiromi Kimura, Hirokazu Takahashi, Yoshiko Okamura*. Biomineralizationof metallic tellurium by bacteria isolated from marine sediment off Niigata Japan. Proceedings of BIOMIN XIV. 291-301, (2018). |
| Yoshiko Okamura*, Shota Nakai, Hirokazu Takahashi, Toyokazu Miura, Takahisa Tajima, Tsunehiro Aki, YukihikoMatsumura, Yutaka Nakashimada. Potential of Nitratireductor sp. OM-1 to produce more short-chain esters and lessexcess sludge during wastewater treatment. Papers of the 26th European Biomass Conference, 917-920, (2018). |
| Toyokazu Miura, Akihisa Kita, Yoshiko Okamura, Tsunehiro Aki, Yukihiko Matsumura, Takahisa Tajima, Junichi Kato,Yutaka Nakashimada*. Improved methanization and microbial diversity during batch mode cultivation with repetitionof substrate addition using defined organic matter and marine sediment inoculum at seawater salinity. Bioresourcetechnology, 245, 833-840, (2017). |
| Pattasuda Duangkaew, Shuhei Inoue, Tsunehiro Aki, Yutaka Nakashimada, Yoshiko Okamura, Takahisa Tajima,Yukihiko Matsumura*. Quantitative In Situ Mass Spectrometry Analysis of Mannitol Decomposition Products underHydrothermal Conditions. Energy & Fuels, 31(10), 10866-10873, (2017). |
| Pattasuda Duangkaew, Shuhei Inoue, Tsunehiro Aki, Yutaka Nakashimada, Yoshiko Okamura, Takahisa Tajima,Yukihiko Matsumura*. Real-Time Mass Spectrometric Analysis of Hydrothermal Reaction Products. Industrial &Engineering Chemistry Research, 56(36), 9993-9998, (2017). |
| Pattasuda Duangkaew, Shuhei Inoue, Tsunehiro Aki, Yutaka Nakahsimada, Yoshiko Okamura, Takahisa Tajima,Yukihiko Matsumura*. In situ mass spectrometory of glucose decomposition under hydrothermal reactions. KoreanJournal of Chemical Engineering, 34(5), 1524-1530, (2017). |
| Pattasuda Duangkaew, Shuhei Inoue, Tsunehiro Aki, Yutaka Nakahsimada, Yoshiko Okamura, Takahisa Tajima,Yukihiko Matsumura*. In-situ mass spectroscopic analysis of glucose decomposition under hydrothermal condition:Quantitative analysis for reaction kinetics. Journal of the Japan Petroleum Institute, 60(2), 101-109, (2017). |
| Rozyanti Mohamad, Tsunehiro Aki, Yutaka Nakashimada, Yoshiko Okamura, Takahisa Tajima, Yukihiko Matsumura*.Decomposition kinetics of uronic acids obtained from kelp under hydrothermal condition. Journal of the EnergyInstitute. 90, 185-190, (2017). |
| Yoshiko Okamura*, Shota Nakai, Masahiko Ohkawachi, Masahiro Suemitsu, Hirokazu Takahashi, Tsunehiro Aki,Yukihiko Matsumura, Takahisa Tajima, Yutaka Nakashimada, Mitsufumi Matsumoto. Isolation and characterization ofbacterium producing lipid from short-chain fatty acids. Bioresource Technology, 201, 215-221, (2016). |
| Hirokazu Takahashi*, Takahiro Satoh, Hiroko Kanahara, Yuji Kubota, Tamaki Hirose, Hiroyuki Yamazaki, KimikoYamamoto, Yoshiko Okamura, Taketo Suzuki, Toshiro Kobori*. Development of a bench-top extra-cleanroom forDNA amplification. Bio Techniques, 61, 42-46, (2016). |
| Rozyanti Mohamad, Tsunehiro Aki, Yutaka Nakashimada, Yoshiko Okamura, Takahisa Tajima, Yukihiko Matsumura*.Kinetics of sorbitol decomposition under hydrothermal condition", Journal of Japan Petroleum Institute, 59, 149-154 , (2016). |
| Rozyanti Mohamad, Tsunehiro Aki, Yutaka Nakashimada, Yoshiko Okamura, Takahisa Tajima, Yukihiko Matsumura*.Decomposition kinetics of mannose, its sugar alcohol, and its uronic acid under hydrothermal condition. Journal ofChemical Engineering of Japan, 49, 663-667, (2016). |
| Akihisa Kita, K. Kobayashi, Toyokazu Miura, Yoshiko Okamura, Tsunehiro Aki, Yukihiko Matsumura, Takahisa Tajima,Naomichi Nishio, Yutaka Nakashimada*. High-rate fermentation of acetate to methane under high salinity byacetoclastic methanogens immobilized in marine sediment. Journal of the Japan Petroleum Institute, ,59(1), 9-15,(2016). |
| Tetsushi Mori, Koji Iwamoto, Satoshi Wakaoji, Hiroya Araie, Yotaro Kohara, Yoshiko Okamura, Yoshihiro Shiraiwa,Haruko Takeyama*. Characterization of a novel gene involved in cadmium accumulation screened from sponge-associated bacterial metagenome. Gene. 576, 618-625, (2016). |
| Toyokazu Miura, Akihisa Kita, Yoshiko Okamura, Tsunehiro Aki, Yukihiko Matsumura, akahisa Tajima, Junichi Kato,Yutaka Nakashimada*. Semi-continuous methane production from undiluted brown algae using a halophilic marinemicrobial community. Bioresource Technology, 200, 616-623, (2016) (doi:10.1016/j.biortech.2015.10.090). |
| Akihisa Kita, Toyokazu Miura, S. Kawata, K. Yamaguchi, Yoshiko Okamura, Tsunehiro Aki, Yukihiko Matsumura,Takahisa Tajima, Junichi Kato, Yutaka Nakashimada*. Bacterial community structure and predicted alginatemetabolic pathway in an alginate-degrading bacterial consortium. Journal of Bioscience and Bioengineering, 121(3), 286-292, (2016). |
| Akihisa Kita, K. Suehira, Toyokazu Miura, Yoshiko Okamura, Tsunehiro Aki, Yukihiko Matsumura, Takahisa Tajima,Naomichi Nishio, Yutaka Nakashimada*. Characterization of a halotolerant acetoclastic methanogen highly enrichedfrom marine sediment and its application to removal of acetate. Journal of Bioscience and Bioengineering, 121(2),196-202, (2016) (DOI: 10.1016/j.jbiosc.2015.05.018). |
| Toyokazu Miura, T. Yano, Akihisa Kita, Yoshiko Okamura, Tsunehiro Aki, Yukihiko Matsumura, akahisa Tajima, JunichiKato, Yutaka Nakashimada*. Effect of salinity on propionate degradation by acclimated marine sediments. AppliedBiochemistry and Biotechnology, 177, 1541-1552, (2015) (DOI:10.1627/jpi.58.252). |
| Akihisa Kita, Toyokazu Miura, S. Kawata, K. Yamaguchi, Yoshiko Okamura, Tsunehiro Aki, Yukihiko Matsumura,akahisa Tajima, Junichi Kato, Yutaka Nakashimada*. Dysgonomonas alginatilytica sp. nov., a novel alginatedegrading bacterium isolated from microbial consortium. International Journal of Systematic and EvolutionaryMicrobiology, 65, 3570-3575, (2015). |
| Ryunosuke Matsumoto, Tsunehiro Aki, Yoshiko Okamura, Takahisa Tajima, Yutaka Nakashimada, Yukihiko Matsumura*. Determination of mannitol decomposition rate under hydrothermal pretreatment condition." Journal of the JapanPetroleum Institute, 58(4), 252-255, (2015). |
| Toyokazu Miura, Akihisa Kita, Yoshiko Okamura, Tsunehiro Aki, Yukihiko Matsumura, Takahisa Tajima, Jun Kato,Yutaka Nakashimada*. Improved methane production from brown algae under high salinity by fed-batch acclimationmethod. Bioresource Technology, 187, 275-281, (2015). |
| Hiromi Kimura, Toshi-Hide Arima, Yoshiko Okamura, Takashi Oku, Toshifumi Sakaguchi*. Selenium recovery andconversion by a Filamentous Fungus, Aspergillus oryzae Strain RIB40. Asia Pacific Journal of Sustainable AgricultureFood and Energy, 2 (2), 5-8, (2014). |
| Kim Hazel V Arafiles, Hiroaki Iwasaka, Yuri Eramoto, Yoshiko Okamura, Takahisa Tajima, Yukihiko Matsumura,Yutaka Nakashimada, Tsunehiro Aki*. Value-added lipid production from brown seaweed biomass by two-stagefermentation using acetic acid bacterium and thraustochytrid. Appl. Microbiol. Biotechnol. 98, 9207-9216, (2014). |
| Toyokazu Miura, Akihisa Kita, Yoshiko Okamura, Tsunehiro Aki, Yukihiko Matsumura, Takahisa Tajima, Junichi Kato,Yutaka Nakashimada*. Evaluation of marine sediments as microbial sources for methane production from brownalgae under high salinity. Bioresource Technol. 169, 362-366, (2014). |
| Ryunosuke Matsumoto, Tsunehiro Aki, Yoshiko Okamura, Takahisa Tajima, Yutaka Nakashimada and YukihikoMatsumura*. Behavior of organics in kelp during hydrothermal pretreatment: Fundamental characteristics and effectof salt. Journal of the Japan Institute of Energy, 93, 531-535, (2014). |