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last modified：2025/04/07
Associate Professor SAKAMOTO Toshio
Faculty, Affiliation
Faculty of Biological Science and Technology,Institute of Science and Engineering
College and School Educational Field
Division of Natural Sciences, Graduate School of Natural Science and Technology
Division of Natural System, Graduate School of Natural Science and Technology
Course in Biosystems, School of Biological Science and Technology, College of Science and Engineering
Laboratory
TEL:076-264-6227 FAX:076-264-6215
Academic Background
【Academic background(Doctoral/Master's Degree)】
The University of Tokyo Master Graduate School, Division of Science 199003 Completed
【Academic background(Bachelor's Degree)】
The University of Tokyo 1988
Career
(1993/10/01-1995/03/31)
The Pennsylvania State University BMB Department(1995/04/01-2000/09/01)
Year & Month of Birth
1965/05
Academic Society
The Botanical Society of Japan
International Society of Photosynthesis
American Society for Microbiology
Award
American Society for Microbiology
American Society for Microbiology
American Society for Microbiology
American Society for Microbiology
Specialities
Biomolecular chemistry、Plant molecular biology/Plant physiology、Functional biochemistry、Plant Physiology
Speciality Keywords
Photosynthesis,Stress Physiology
Research Themes
Molecular mechanism of anhydrobiosis in the terrestrial cyanobacterium
Books
- Chintalapati, S. K., Prakash, J. S. S., Gupta, P., Ohtani, S., Suzuki, I., Sakamoto, T., Murata, N. and Shivaji, S. A novel delta-9 acyl-lipid desaturase, DesC2, from cyanobacteria acts on fatty acids esterified to the sn-2 position of glycerolipids. 369 207-214 2006
- Nomura, C.T., Sakamoto, T. and Bryant, D.A. Roles for heme-copper oxidases in extreme high-light and oxidative stress response in the cyanobacterium Synechococcus sp. PCC 7002. 185 471-479 2006
- Inoue-Sakamoto, K., Gruber, T.M., Christensen, S.K., Arima, H., Sakamoto, T. and Bryant, D.A. Group 3 sigma factors in the marine cyanobacterium Synechococcus sp. strain PCC 7002 are required for growth at low temperature. 53 89-104 2007
- Yoshida, T. and Sakamoto, T. Water-stress induced trehaloseaccumulation and control of trehalase in the cyanobacterium Nostoc punctiforme IAM M-15. 55 135-145 2009
- Sakamoto, T., Yoshida, T., Arima, H., Hatanaka, Y., Takani, Y. and Tamaru Y. Accumulation of trehalose in response to desiccation and salt stress in the terrestrial cyanobacterium Nostoc commune. 57 66-73 2009
- Morsy, F.M., Kuzuha, S., Takani, Y. and Sakamoto, T. Novel thermostable glycosidases in the extracellular matrix of the terrestrial cyanobacterium Nostoc commune. 54:243-252 2008
- Morsy, F.M., Nakajima, M., Yoshida, T., Fujiwara, T., Sakamoto, T. and Wada, K. Subcellular localization of ferredoxin-NADP+ oxidoreductase in phycobilisome retaining oxygenic photosynthetic organisms. 95:73-85 2008
Papers
- Characterization of the chemical diversity of glycosylated mycosporine-like amino acids in the terrestrial cyanobacterium Nostoc commune Nazifi, Ehsan; Wada, Naoki; Asano, Tomoya; Nishiuchi, Takumi; Iwamuro, Yoshiaki; Chinaka, Satoshi; Matsugo, Seiichi; Sakamoto, Toshio Journal of Photochemistry and Photobiology B: Biology 142 154-168 2015/01/01
- Glycosylated porphyra-334 and palythine-threonine from the terrestrial cyanobacterium Nostoc commune. Nazifi, E., Wada, N., Yamaba, M., Asano, T., Nishiuchi, T., Matsugo, S., and Sakamoto, T. Mar. Drugs 11 3124-3154 2013/01
- The cyanobacterial UV-absorbing pigment scytonemin displays radical-scavenging activity. Matsui, K., Nazifi, E., Hirai, Y., Wada, N., Matsugo, S. and Sakamoto, T. JOURNAL OF GENERAL AND APPLIED MICROBIOLOGY 58 137-144 2012/01
- Molecular genetic and chemotaxonomic characterization of the terrestrial cyanobacterium Nostoc commune and its neighbouring species. Arima, H., Horiguchi, N., Takaichi, S., Kofuji, R., Ishida, K., Wada, K. and Sakamoto, T. FEMS MICROBIOLOGY ECOLOGY 2011/09
- Water-stress induced trehalose accumulation and control of trehalase in the cyanobacterium Nostoc punctiforme IAM M-15. Yoshida, T. and Sakamoto, T. JOURNAL OF GENERAL AND APPLIED MICROBIOLOGY 55 135-145 2009/01
- Accumulation of trehalose in response to desiccation and salt stress in the terrestrial cyanobacterium Nostoc commune. Sakamoto, T., Yoshida, T., Arima, H., Hatanaka, Y., Takani, Y. and Tamaru Y. Phycol. Res. 57 66-73 2009/01
- Novel thermostable glycosidases in the extracellular matrix of the terrestrial cyanobacterium Nostoc commune. Morsy, F.M., Kuzuha, S., Takani, Y. and Sakamoto, T. 54 243-252 2008/01
- Novel glycosylated mycosporine-like amino acids with radical scavenging activity from the cyanobacterium Nostoc commune. Matsui, K., Nazifi, N., Kunita, S., Wada, N., Matsugo, S. and Sakamoto, T. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 105 81-89. 2011/09
- The extracellular-matrix-retaining cyanobacterium Nostoc verrucosum accumulates trehalose, but is sensitive to desiccation. Sakamoto, T., Kumihashi, K., Kunita, S., Masaura, T., Inoue-Sakamoto, K. and Yamaguchi, M. 77 385-394. 2011/07
- Multiple Roles of Photosynthetic and Sunscreen Pigments in Cyanobacteria Focusing on the Oxidative Stress Naoki Wada, Toshio Sakamoto, Seiichi Matsugo Metabolites 3 463-483 2013/05
- Crucial Role of Extracellular Polysaccharides in Desiccation and Freezing Tolerance in the Terrestrial Cyanobacterium Nostoc commune APPLIED AND ENVIRONMENTAL MICROBIOLOGY in press 2005
- A novel nitrate/nitrite permease in the marine cyanobacterium Synechococcus sp. strain PCC 7002. JOURNAL OF BACTERIOLOGY 181 23 7363-7372 1999/12
- Genetic enhancement of the ability to tolerate photoinhibition by introduction of unsaturated bonds into membrane glycerolipids. Plant Physiol 115 551-559 1997
- Growth at low temperature causes nitrogen limitation in the cyanobacterium Synechococcus sp. PCC 7002. Arch Microbiol 169 10-19 1998
- Alteration of low-temperature susceptibility of the cyanobacterium Synechococcus sp. PCC 7002 by genetic manipulation of membrane lipid unsaturation. Arch Microbiol 169 20-28 1998
- Low-temperature induced desaturation of fatty acids and expression of desaturase genes in the cyanobacterium Synechococcus sp. PCC 7002. FEMS MICROBIOLOGY LETTERS 152 313-320 1997
- Growth on urea can trigger death and peroxidation of the cyanobacterium Synechococcus sp. strain PCC 7002. APPLIED AND ENVIRONMENTAL MICROBIOLOGY 64 7 2361-2366 1998/07
- Nitrate transport and not photoinhibition limits growth of the freshwater cyanobacterium Synechococcus species PCC 6301 at low temperature. Plant Physiol 119 785-794 1999/02
- Requirement of nickel as an essential micronutrient for the utilization of urea in the marine cyanobacterium Synechococcus sp. PCC 7002. Microbes and Environments 16 3 177-184 2001
- Synergistic effect of high light and low temperature on cell growth of the delta-12 desaturase mutant in Synechococcus sp. PCC 7002. PHOTOSYNTHESIS RESEARCH 2002
- Temperature-regulated mRNA accumulation and stabilization for fatty acid desaturase genes in the cyanobacterium Synechococcus sp. strain PCC 7002. MOLECULAR MICROBIOLOGY 23 6 1281-1292 1997
- The complete purification and characterization of three forms of ferredoxin-NADP+ oxidoreductase from a thermophilic cyanobacterium Synechococcus elongatus. Plant Cell Physiol 2002
- The Spirulina platensis adenylate cyclase gene, cyaC, encodes a novel signal transduction protein. Plant Cell Physiol 38 7 828-836 1997
- Subcellular localization of ferredoxin-NADP+ oxidoreductase in phycobilisome retaining oxygenic photosynthetic organisms. Morsy, F.M., Nakajima, M., Yoshida, T., Fujiwara, T., Sakamoto, T. and Wada, K. 95 73-85 2008/01
- A novel delta-9 acyl-lipid desaturase, DesC2, from cyanobacteria acts on fatty acids esterified to the sn-2 position of glycerolipids. Chintalapati, S., Prakash, J. S. S., Gupta, P., Ohtani, S., Suzuki, I., Sakamoto, T., Murata, N. and Shivaji, S. 398 207-214 2006/01
- Roles for heme-copper oxidases in extreme high-light and oxidative stress response in the cyanobacterium Synechococcus sp. PCC 7002. 285 471-479 2006/01
- Group 3 sigma factors in the marine cyanobacterium Synechococcus sp. strain PCC 7002 are required for growth at low temperature. Inoue-Sakamoto, K., Gruber, T.M., Christensen, S.K., Arima, H., Sakamoto, T. and Bryant, D.A. 2007/01
- Molecular genetic and chemotaxonomic characterization of the terrestrial cyanobacterium Nostoc commune and its neighboring species Arima, Hiromi;Horiguchi, Noriomi;Takaichi, Shinichi;Kofuji, Rumiko;Ishida, Ken-Ichiro;Wada, Keishiro;Sakamoto, Toshio FEMS MICROBIOLOGY ECOLOGY 79 1 34-45 2012
- Transcription factor NtcB specifically controls the nitrate assimilation genes in the marine cyanobacterium Synechococcus sp. strain PCC 7002. 2008
- Four chemotypes of the terrestrial cyanobacterium Nostoc commune characterized by differences in the mycosporine-like amino acids. Sakamoto, T., Hashimoto, A., Yamaba, M., Wada, N., Yoshida, T., Inoue-Sakamoto, K., Nishiuchi, T. and Matsugo, S. Phycol. Res. 67 3-11 2020/01
- Novel glycosylated mycosporine-like amino acid, 13-O-(β-galactosyl)-porphyra-334, from the edible cyanobacterium Nostoc sphaericum- protective activity on human keratinocytes from UV light. Ishihara, K., Watanabe, R., Uchida, H., Suzuki, T., Yamashita, M., Takenaka, H., Nazifi, E., Matsugo, S., Yamaba, M. and Sakamoto, T. J. Photochem. Photobiol. B. 172 102-108 2017
- Characterization of mycosporine-like amino acids in the cyanobacterium Nostoc verrucosum. Inoue-Sakamoto, K., Nazifi, E., Tsuji, C., Asano, T., Nishiuchi, T., Matsugo, S., Ishihara, K., Kanesaki, Y., Yoshikawa, H. and Sakamoto, T. J. Gen. Appl. Microbiol. 2018
- Characterization of extracellular matrix components from the desiccation-tolerant cyanobacterium Nostoc commune. Inoue-Sakamoto, K., Tanji, Y., Yamaba, M., Natsume, T., Masaura, T., Asano, T., Nishiuchi, T. and Sakamoto, T. J. Gen. Appl. Microbiol. 64 1 15-25 2018
- Comparison of anti-hyaluronidase activities and sugar compositions of extracts from four edible species of Nostoc (cyanobacteria). Yamaguchi, Y., Sakamoto, T. and Koketsu, M. Algal Res. 8 137-142 2015
- Mycosporine-Like Amino Acids and Their Derivatives as Natural Antioxidants. Wada, N., Sakamoto, T. and Matsugo, S. Antioxidants 4 603-646 2015
- Responses to intermittent exposure to green light during the dark period in Arabidopsis thaliana and possible involvement of cryptochrome 2. Sato, M., Nishiuchi, T, and Sakamoto, T. Plant Biotechnology 32 263-266 2015
Conference Presentations
Others
- Regulation of the desaturation of fatty acids and its role in tolerance to cold and salt stress. 5 206-210 2002
- Two acyl-lipid delta-9 desaturase genes of the cyanobacterium, Synechococcus sp. strain PCC7002. 380-382 1997
Arts and Fieldwork
Patent
Theme to the desired joint research
○Production of UV absorbing pigments
Grant-in-Aid for Scientific Research
○2022「陸棲シアノバクテリアがもつ新規紫外線吸収物質の生理機能解析」(2020-2022)
○「陸棲シアノバクテリアが営む無水生活様式を司る機能性分子の解明」(2010-2012)
○「陸棲ラン藻における極限的な乾燥耐性の分子機構」(2006-)
Competitive research funding,Contribution
Collaborative research,Consignment study
Classes (Bachelors)
○Guide to Biology and Earth Sciences(2017)
○Basic Plant Science(2017)
○Functional Plant Science(2017)
○Research Seminar in Biology (1)(2017)
○Plant Physiology Lab(2017)
○Basic Plant Science(2017)
○Research Work in Biology(1)(2017)
○Research Work in Biology(2)(2017)
○Physiology 1(2017)
○Research Seminar in Biology (2)(2017)
○Physiology 1A(2017)
○Physiology 1B(2017)
○Physiology 1(2016)
○Basic Plant Science(2016)
○Guide to Biology and Earth Sciences(2016)
○Plant Physiology Lab(2016)
○Research Seminar in Biology (2)(2016)
○Basic Biology 1(2016)
○Functional Plant Science(2016)
○Research Seminar in Biology (1)(2016)
○Basic Plant Science(2016)
○Research Work in Biology(1)(2016)
Classes (Graduate Schools)
○Plant Metabolism(2017)
○Physiological systems responding to environmental stimuli B(2017)
○Physiological systems responding to environmental stimuli A(2017)
○Plant Metabolism(2017)
○Plant Metabolism(2017)
○Plant Metabolism(2017)
○Physiological systems responding to environmental stimuli A(2016)
○Plant Metabolism(2016)
○Physiological systems responding to environmental stimuli B(2016)