Title |
Professor |
Researcher Number(JSPS Kakenhi) |
90322750 |
Current Affiliation Organization 【 display / non-display 】
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Duty University of the Ryukyus Tropical Biosphere Research Center Professor
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Concurrently University of the Ryukyus Graduate School of Engineering and Science Marine and Environmental Sciences Professor
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Concurrently University of the Ryukyus Graduate School of Engineering and Science Chemistry, Biology and Marine Science Professor
Academic degree 【 display / non-display 】
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The University of Tokyo - Doctor of Science
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Yamaguchi University - Master of Science
External Career 【 display / non-display 】
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2000.03-2001.08
University of the Ryukyus, Faculty of Science, Department of Chemistry, Biology, and Marine Science, Cell and Functional Biology, Research Assistants
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2001.09-2007.03
University of the Ryukyus, Gene Research Center, Research Assistants
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2006.05-2007.01
National Institute of Agrobiological Science, Visiting Researcher
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2007.04-2008.03
University of the Ryukyus,Center of Molecular Biosciences, Research Associate
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2008.04-2009.03
University of the Ryukyus,Center of Molecular Biosciences, Research Associate
Affiliated academic organizations 【 display / non-display 】
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1992.06-Now
Zoological Society of Japan
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1996.12-Now
Japanese Society of Applied Entomology and Zoology
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2010.05-Now
International Union for the Study of Social Insects
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2012.01-Now
The Japanese Society of Sericultural Science
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2013.06-Now
Japanese Society of Microbial Ecology
Research Interests 【 display / non-display 】
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Physiological Entomology
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セルロース分解
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セルラーゼ
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シロアリ
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Termites
Research Areas 【 display / non-display 】
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Environmental Science/Agriculture Science / Insect science
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Life Science / Applied microbiology
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Life Science / Genetics
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Life Science / Molecular biology
Research Theme 【 display / non-display 】
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Fundamental study on use of the cellulolytic systems in termites for bioenergy bioconversion
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Exploration of cellulase genes and functions in invertebrates
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Cellylolytic systems in termites
Published Papers 【 display / non-display 】
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Reevaluating Symbiotic Digestion in Cockroaches: Unveiling the Hindgut’s Contribution to Digestion in Wood-Feeding Panesthiinae (Blaberidae)
Melbert Schwarz, Gaku Tokuda, Haruka Osaki, Aram Mikaelyan
Insects 14 ( 9 ) 768 - 768 2023.09 [ Peer Review Accepted ]
Type of publication: Research paper (scientific journal)
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Coevolution of metabolic pathways in Blattodea and Their Blattabacterium endosymbionts, and comparisons with other insect-bacteria symbioses
Kinjo, Y., Bourguignon, T., Hongoh, Y., Lo, N., Tokuda, G., Ohkuma, M.
Microbiology Spectrum 10 ( 5 ) - e02779-22 2022.09 [ Peer Review Accepted ]
Type of publication: Research paper (scientific journal)
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The functional evolution of termite gut microbiota
Arora, J., Kinjo, Y., Šobotník, J., Buček, A., Clitheroe, C., Stiblik, P., Roisin, Y., Žifčáková, L., Park, Y. C., Kim, K. Y., Sillam-Dussès, D., Hervé, V., Lo, N., Tokuda, G., Brune, A., Bourguignon, T.
Microbiome 10 78 - 78 2022.05 [ Peer Review Accepted ]
Type of publication: Research paper (scientific journal)
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Taxonomic revision of Termitomyces species found in Ryukyu Archipelago, Japan, based on phylogenetic analyses with three loci
Yuuki Kobayashi, Miyuki Katsuren, Masaru Hojo, Shohei Wada, Yoshie Terashima, Masayoshi Kawaguchi, Gaku Tokuda, Kazuhiko Kinjo, Shuji Shigenobu
Mycoscience 63 ( 1 ) 33 - 38 2022.01 [ Peer Review Accepted ]
Type of publication: Research paper (scientific journal)
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Genomic and transcriptomic analyses of the subterranean termite Reticulitermes speratus: gene duplication facilitates social evolution
Shuji Shigenobu, Yoshinobu Hayashi, Dai Watanabe, Gaku Tokuda, Masaru Y Hojo, Kouhei Toga, Ryota Saiki, Hajime Yaguchi, Yudai Masuoka, Ryutaro Suzuki, Shogo Suzuki, Moe Kimura, Masatoshi Matsunami, Yasuhiro Sugime, Kohei Oguchi, Teruyuki Niimi, Hiroki Gotoh, Masaru K Hojo, Satoshi Miyazaki, Atsushi Toyoda, Toru Miura, Kiyoto Maekawa
Proceedings of the National Academy of Sciences of the United States of America 119 ( 3 ) e2110361119 2022.01 [ Peer Review Accepted ]
Type of publication: Research paper (scientific journal)
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Books 【 display / non-display 】
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Physiology of the Formosan subterranean termite, with special reference to wood degradation and metabolism
Gaku Tokuda, Shuji Itakura, Nathan Lo ( Part: Allotment Writing )
CABI 2023.12
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Evolution and function of endogenous termite cellulases
Lo, N., Tokuda, G., & Watanabe, H. ( Part: Multiple Authorship )
Springer 2011.01
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Fluorometric detection of nitric oxide with diaminofluoresceins (DAFs): applications and limitations for plant NO research
Arita, N. O., Cohen, M. F., Tokuda, G., ( Part: Multiple Authorship )
その他の出版機関 2006.03
Other Papers 【 display / non-display 】
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Re-classification ofthe symbiotic protist fauna in the hindgut of Coptotermes formosanus
Gaku Tokuda, Gillian Gile
Termite Journal ( Japan Termite Control Association ) 177 ( 1 ) 46 - 48 2022.01
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Embryonic dynamics and symbiotic organ formation in lygaeoid bugs (Heteroptera: Lygaeoidea)
Kuechler S.M, Tokuda G, Fukatsu T, Matsuura Y
Gordon Research Conference - 2019 Animal-Microbe Symbioses 2019.06
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Cellulose metabolism in termites
TOKUDA Gaku
Termite Journal 163 ( 1 ) 1 - 6 2015.01
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Celluloytic systems in insects
Watanabe, H., Tokuda, G.
Annual Review of Entomology ( Annual Reviews ) 55 609 - 632 2010 [Refereed]
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Termites as Functional Gene Resources
Matsui T., Tokuda G., Shinzato N.
Recent Patents on Biotechnology ( その他の出版社 ) 3 ( 1 ) 10 - 18 2009.01
Presentations 【 display / non-display 】
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Metabolomic profiles in the hindguts of the wood-feeding cockroaches collected from East Asia and North America
Tokuda, G., Kihara, K., Kitade, O., Fukuda, S.
XXVI International Congress of Entomology (ICE2022) (Helsinki) 2022.07 - 2022.07
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Relationship between microbial structure and metabolic activities in the termite, Neotermes sugioi.
Tokuda, G., Sekine, R.
XIX International Congress of IUSSI (IUSSI2022) (San Diego, CA) 2022.07 - 2022.07
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A division of labor between termites and the gut symbionts for lignocellulose degradation.
Tokuda, G.
OIST Mini Symposium “Ecology and Evolution of Termite Gut Microbes” (Okinawa) 2019.12 - 2019.12
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Sprirochaetes contribute to xylan degradation in the hindgut of wood-feeding higher termites
40) Tokuda, G., Mikaelyan, A., Fukui, C., Matsuura, Y., Watanabe, H., Fujishima, M., Brune, A.
The 17th International Symposium on Microbial Ecology (Leipzig) 2018.08 - 2018.08
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Transition of symbiotic lifestyles by gene loss or gain: Blattabacterium in cockroaches-lower termites and spirochetes in higher termites
Tokuda, G.
Max Planck Institute Seminar Series in Molecular, Cellular, and Environmental Microbiology (Marburg) 2018.08 - 2018.08
Academic Awards 【 display / non-display 】
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Zoological Science Award '98
1998.10 Zoological Society of Japan
Grant-in-Aid for Scientific Research 【 display / non-display 】
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Reliving termite evolution through experimental replacement of gut microorganisms
Challenging research (development)
Project Year: 2023.06 - 2027.03
Investigator(s): Gaku Tokuda Member: Thomas Bourguignon, Nobuaki Mizumoto
Direct: 19,400,000 (YEN) Overheads: 5,820,000 (YEN) Total: 25,220,000 (YEN)
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Integrative analyses of endogenous enzymes involved in wood digestion in termites
Grant-in-Aid for Scientific Research(B)
Project Year: 2022.04 - 2026.03
Investigator(s): TOKUDA Gaku Member: WATANABE Hirofumi
Direct: 13,300,000 (YEN) Overheads: 3,990,000 (YEN) Total: 17,290,000 (YEN)
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Evolutionary and developmental basis of host-symbiont interactions in seed bugs
Grant-in-Aid for JSPS Fellows
Project Year: 2017.11 - 2020.03
Direct: 2,300,000 (YEN) Overheads: 2,300,000 (YEN) Total: 0 (YEN)
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Exploration of lignocellulolytic enzymes on the surface of bacterial cell walls in the gut of termites using monoclonal antibodies
Grant-in-Aid for challenging Exploratory Research
Project Year: 2015.04 - 2018.03
Investigator(s): TOKUDA Gaku Member: FUJISHIMA Masahiro, MIKAELYAN Aram, BRUNE Andreas
Direct: 2,900,000 (YEN) Overheads: 870,000 (YEN) Total: 3,770,000 (YEN)
SDGs 【 display / non-display 】
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シロアリや食材性ゴキブリの木質消化システムの研究を通じて、セルロース系植物バイオマスからのエネルギー創出などの技術革新を目指します。