Updated on 2026/06/25

写真a

 
KAWASAKI Takashi
 
Organization
. Center for Coordination of Research Facilities Specially Appointed Lecturer
Title
Specially Appointed Lecturer
External link

Degree

  • 博士(工学) ( 2005.3   富山県立大学 )

Research Interests

  • biosynthetic engineering

Research Areas

  • Life Science / Applied microbiology

  • Life Science / Applied biochemistry

Research History (researchmap)

  • 新潟大学 研究統括機構 共用設備基盤センター   特任講師

    2026.3

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  • ニプロ株式会社   企画開発技術統括本部   主任研究員(係長)

    2020.4 - 2026.2

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  • 京都大学 生存圏研究所   特任講師

    2018.6 - 2020.3

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  • 京都大学 生存圏研究所   ミッション専攻研究員

    2018.4 - 2020.3

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  • Ritsumeikan University   College of Pharmaceutical Sciences, Department of Pharmacy   Assistant Professor

    2012.4 - 2018.3

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  • Kobe University   Graduate School of Agricultural Science

    2011.4 - 2012.3

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  • Kyoto University   Research Institute for Sustainable Humanosphere

    2010.4 - 2011.3

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    Country:Japan

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  • Tokyo University of Science

    2006.4 - 2010.3

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    Country:Japan

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  • Tokyo University of Science

    2005.4 - 2006.3

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    Country:Japan

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Research History

  • Niigata University   Center for Coordination of Research Facilities   Specially Appointed Lecturer

    2026.3

Education

  • Toyama Prefectural University   Graduate School, Division of Engineering   Biotechnology Major

    - 2005.3

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  • Nihon University   Faculty of Agriculture and Veterinary Medicine   Department of Applied Biosciences

    - 1999.3

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Professional Memberships

  • The Society for Actinomycetes Japan

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  • Japanese Society for Plant Cell and Molecular Biology

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  • The Pharmaceutical Society of Japan

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  • "Japan Society for Bioscience, Biotechnology, and Agrochemistry "

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Papers

  • Changes in the Polyphenol Content of Red Raspberry Fruits during Ripening Reviewed

    Ryo Kobori, Syuichi Yakami, Takashi Kawasaki, Akiko Saito

    Horticulturae   7 ( 12 )   569 - 569   2021.12

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:MDPI AG  

    Berry fruits that contain large amounts of polyphenol compounds are expected to exhibit health and anti-aging effects due to the antioxidant activities of these components. Among the various polyphenols, flavan-3-ol derivatives are known to have a particularly high functionality. In this study, the maturity of red raspberry fruits is classified into eight stages based on the polyphenol content at each stage. Quantification of the various compounds and investigation of the DPPH and ABTS radical scavenging activities were carried out. The total polyphenol content, including that of the flavan-3-ol derivatives, was the highest in immature fruits, gradually decreasing during fruit maturation, during which the radical scavenging activity also decreased. Based on our quantitative results, it was considered that the decrease in the flavan-3-ol derivative content due to fruit ripening was largely related to the increase in the amount of anthocyanin derivatives. Considering that the decreased contents of these compounds were related to the expression levels of polyphenol biosynthetic enzymes, quantification was performed using the semi-quantitative polymerase chain reaction, but the only change observed was the increased expression of the enzyme that synthesizes anthocyanins during maturation. Therefore, it was suggested that it is necessary to inhibit anthocyanin synthesis to increase the contents of highly functional flavan-3-ol derivatives in the mature fruit.

    DOI: 10.3390/horticulturae7120569

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  • Tobacco Root Endophytic <i>Arthrobacter</i> Harbors Genomic Features Enabling the Catabolism of Host-Specific Plant Specialized Metabolites Reviewed

    Tomohisa Shimasaki, Sachiko Masuda, Ruben Garrido-Oter, Takashi Kawasaki, Yuichi Aoki, Arisa Shibata, Wataru Suda, Ken Shirasu, Kazufumi Yazaki, Ryohei Thomas Nakano, Akifumi Sugiyama

    mBio   12 ( 3 )   2021.6

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    Publishing type:Research paper (scientific journal)   Publisher:American Society for Microbiology  

    Host secondary metabolites have a crucial effect on the taxonomic composition of its associated microbiota. It is estimated that a single plant species produces hundreds of secondary metabolites; however, whether different classes of metabolites have distinctive or common roles in the microbiota assembly remains unclear.

    DOI: 10.1128/mbio.00846-21

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  • Flavan-3-ols Content in Red Raspberry Leaves Increases under Blue Led-Light Irradiation. Reviewed

    Kobori, R., Hashimoto, S., Koshimizu, H., Yakami, S., Hirai, M., Noro, K., Kawasaki, T., Saito, A.

    Metabolites, 9(3)   2019

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    DOI: 10.3390/metabo9030

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  • Enzyme involved in the biosynthesis of a unique polyketide in actinomycetes.

    Kawasaki T

    Actimomycetologica   31 ( 1 )   42-46   2017.7

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  • Identification of a prodigiosin cyclization gene in the roseophilin producer and production of a new cyclized prodigiosin in a heterologous host

    Shoko Kimata, Masumi Izawa, Takashi Kawasaki, Yoichi Hayakawa

    JOURNAL OF ANTIBIOTICS   70 ( 2 )   196 - 199   2017.2

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    DOI: 10.1038/ja.2016.94

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  • Cloning and identification of saprolmycin biosynthetic gene cluster from Streptomyces sp TK08046

    Takashi Kawasaki, Asako Moriyama, Kazuya Nakagawa, Nobutaka Imamura

    BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY   80 ( 11 )   2144 - 2150   2016

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    DOI: 10.1080/09168451.2016.1196574

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  • Identification of furostanol glycoside 26-O-beta-glucosidase involved in steroidal saponin biosynthesis from Dioscorea esculenta

    Masaru Nakayasu, Takashi Kawasaki, Hyoung Jae Lee, Yukihiro Sugimoto, Michio Onjo, Toshiya Muranaka, Masaharu Mizutani

    PLANT BIOTECHNOLOGY   32 ( 4 )   299 - U141   2015.12

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    DOI: 10.5511/plantbiotechnology.15.1023b

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  • Borrelidin Isolated from Streptomyces sp. Inhibited Adipocyte Differentiation in 3T3-L1 Cells via Several Factors Including GATA-Binding Protein 3

    Hirotaka Matsuo, Yoshiyuki Matsuo, Takashi Kawasaki, Shinji Tokuyama, Nobutaka Imamura

    Biological and Pharmaceutical Bulletin   38 ( 10 )   1504 - 1511   2015.10

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Pharmaceutical Society of Japan  

    DOI: 10.1248/bpb.b15-00257

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  • Structure-Activity Relationship of Oligomeric Flavan-3-ols: Importance of the Upper-Unit B-ring Hydroxyl Groups in the Dimeric Structure for Strong Activities

    Yoshitomo Hamada, Syota Takano, Yoshihiro Ayano, Masahiro Tokunaga, Takahiro Koashi, Syuhei Okamoto, Syoma Doi, Masahiko Ishida, Takashi Kawasaki, Masahiro Hamada, Noriyuki Nakajima, Akiko Saito

    MOLECULES   20 ( 10 )   18870 - 18885   2015.10

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    DOI: 10.3390/molecules201018870

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  • Cineromycin B isolated from Streptomyces cinerochromogenes inhibits adipocyte differentiation of 3T3-L1 cells via Kruppel-like factors 2 and 3

    Hirotaka Matsuo, Yoshiyuki Kondo, Takashi Kawasaki, Nobutaka Imamura

    LIFE SCIENCES   135   35 - 42   2015.8

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    DOI: 10.1016/j.lfs.2015.05.020

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  • Role of 2,3-cis Structure of (-)-Epicatechin-3,5-O-digallate in Inhibition of HeLa S3 Cell Proliferation

    Mori, K, Ayano, Y, Hamada, Y, Hojima, T, Tanaka, R, Higashino, Y, Izuno, M, Okamoto, T, Kawasaki, T, Hamada, M, Nakajima N, Saito, A

    Natural Products Chemistry & Research   Open access   2015.3

  • Metabolic engineering of flavonoids with prenyltransferase and chalcone isomerase genes in tomato fruits

    Takashi Kawasaki, Takao Koeduka, Akifumi Sugiyama, Kanako Sasaki, Philip J. Linley, Nobukazu Shitan, Takuto Kumano, Hideaki Yamamoto, Hiroshi Ezura, Tomohisa Kuzuyama, Kazufumi Yazaki

    Plant Biotechnology   31 ( 5 )   567 - 571   2014.12

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    DOI: 10.5511/plantbiotechnology.14.0918a

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  • Functional analysis of hatomarubigin biosynthesis genes and production of a new hatomarubigin using a heterologous expression system

    Masumi Izawa, Shoko Kimata, Ayumi Maeda, Takashi Kawasaki, Yoichi Hayakawa

    JOURNAL OF ANTIBIOTICS   67 ( 2 )   159 - 162   2014.2

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    DOI: 10.1038/ja.2013.96

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  • Inhibitory Activity of Synthesized Acetylated Procyanidin B-1 Analogs against HeLa S3 Cells Proliferation

    Syuhei Okamoto, Sayaka Ishihara, Taisuke Okamoto, Syoma Doi, Kota Harui, Yusuke Higashino, Takashi Kawasaki, Noriyuki Nakajima, Akiko Saito

    MOLECULES   19 ( 2 )   1775 - 1785   2014.2

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    DOI: 10.3390/molecules19021775

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  • DEVELOPMENT OF A NEW SYNTHETIC STRATEGY FOR PROCYANIDIN DIMER CONDENSATION USING PERACETYLATED ELECTROPHILES

    Sayaka Ishihara, Syoma Doi, Kota Harui, Taisuke Okamoto, Shuhei Okamoto, Joji Uenishi, Takashi Kawasaki, Noriyuki Nakajima, Akiko Saito

    HETEROCYCLES   88 ( 2 )   1595 - 1602   2014.1

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    DOI: 10.3987/COM-13-S(S)103

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  • Cloning and heterologous expression of the thioviridamide biosynthesis gene cluster from streptomyces olivoviridis

    Masumi Izawa, Takashi Kawasaki, Yoichi Hayakawa

    Applied and Environmental Microbiology   79 ( 22 )   7110 - 7113   2013.11

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    DOI: 10.1128/AEM.01978-13

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  • Production of prenylated flavonoids in tomato fruits expressing a prenyltransferase gene from Streptomyces coelicolor A3(2)

    T. Koeduka, N. Shitan, T. Kumano, K. Sasaki, A. Sugiyama, P. Linley, T. Kawasaki, H. Ezura, T. Kuzuyama, K. Yazaki

    PLANT BIOLOGY   13 ( 2 )   411 - 415   2011.3

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    DOI: 10.1111/j.1438-8677.2010.00409.x

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  • Hatomarubigin E, a biosynthetic intermediate of hatomarubigins C and a substrate of HrbU O-methyltransferase

    Takashi Kawasaki, Yuki Yamada, Tomoka Maruta, Ayumi Maeda, Yoichi Hayakawa

    JOURNAL OF ANTIBIOTICS   63 ( 12 )   725 - 727   2010.12

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    DOI: 10.1038/ja.2010.118

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  • Flaviogeranin, a new neuroprotective compound from Streptomyces sp.

    Yoichi Hayakawa, Yumi Yamazaki, Maki Kurita, Takashi Kawasaki, Motoki Takagi, Kazuo Shin-ya

    JOURNAL OF ANTIBIOTICS   63 ( 7 )   379 - 380   2010.7

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    DOI: 10.1038/ja.2010.49

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  • Cloning and Characterization of a Gene Cluster for Hatomarubigin Biosynthesis in Streptomyces sp Strain 2238-SVT4

    Takashi Kawasaki, Reiko Hirashima, Tomoka Maruta, Haruka Sato, Ayumi Maeda, Yuki Yamada, Maho Takeda, Yoichi Hayakawa

    APPLIED AND ENVIRONMENTAL MICROBIOLOGY   76 ( 13 )   4201 - 4206   2010.7

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    DOI: 10.1128/AEM.00668-10

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  • Dechlororoseophilin: a new cytotoxic metabolite from Streptomyces griseoviridis

    Yoichi Hayakawa, Shun-ya Nagatsuka, Takashi Kawasaki

    JOURNAL OF ANTIBIOTICS   62 ( 9 )   531 - 532   2009.9

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    DOI: 10.1038/ja.2009.59

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  • Prodigiosin biosynthesis gene cluster in the roseophilin producer Streptomyces griseoviridis

    Takashi Kawasaki, Furni Sakurai, Shun-ya Nagatsuka, Yoichi Hayakawa

    JOURNAL OF ANTIBIOTICS   62 ( 5 )   271 - 276   2009.5

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    DOI: 10.1038/ja.2009.27

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  • A prodigiosin from the roseophilin producer Streptomyces griseoviridis.

    Kawasaki, T, Sakurai, F, Hayakawa, Y

    J. Nat. Prod.   71   1265-1267 - 1267   2008.7

  • Efrapeptin J, a new down-regulator of the molecular chaperone GRP78 from a marine Tolypocladium sp.

    Yoichi Hayakawa, Yuki Hattori, Takashi Kawasaki, Kaneo Kanoh, Kyoko Adachi, Yoshikazu Shizuri, Kazuo Shin-ya

    JOURNAL OF ANTIBIOTICS   61 ( 6 )   365 - 371   2008.6

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    DOI: 10.1038/ja.2008.51

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  • Piericidins C-7 and C-8, new cytotoxic antibiotics produced by a marine Streptomyces sp.

    Yoichi Hayakawa, Shingo Shirasaki, Sayaka Shiba, Takashi Kawasaki, Yoshihide Matsuo, Kyoko Adachi, Yoshikazu Shizuri

    JOURNAL OF ANTIBIOTICS   60 ( 3 )   196 - 200   2007.3

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    DOI: 10.1038/ja.2007.22

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  • Structures of new cytotoxic antibiotics, piericidins C-7 and C-8

    Yoichi Hayakawa, Shingo Shirasaki, Takashi Kawasaki, Yoshihide Matsuo, Kyoko Adachi, Yoshikazu Shizuri

    JOURNAL OF ANTIBIOTICS   60 ( 3 )   201 - 203   2007.3

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    DOI: 10.1038/ja.2007.23

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  • P-355 Biosynthesis of a Natural Polyketide-Isoprenoid Hybrid Compound Furaquinocin A : Identification and Heterologous Expression of the Gene Cluster

    Hayashi Yutaka, Kawasaki Takashi, Kuzuyama Tomohisa, Furihata Kazuo, Itoh Nobuya, Seto Haruo, Dairi Tohru

    International Symposium on the Chemistry of Natural Products   2006   "P - 355"   2006.7

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    Language:English   Publisher:Symposium on the chemistry of natural products  

    DOI: 10.24496/intnaturalprod.2006.0__P-355_

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  • Biosynthesis of a natural polyketide-isoprenoid hybrid compound, furaquinocin A: Identification and heterologous expression of the gene cluster

    T Kawasaki, Y Hayashi, T Kuzuyama, K Furihata, N Itoh, H Seto, T Dairi

    JOURNAL OF BACTERIOLOGY   188 ( 4 )   1236 - 1244   2006.2

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    DOI: 10.1128/JB.188.4.1236-1244.2006

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  • P-57 A Streptomyces strain possessing two distinct mevalonate pathway gene clusters

    Kawasaki Takashi, Hayashi Yutaka, Kuzuyama Tomohisa, Furihata Kazuo, Itoh Nobuya, Seto Haruo, Dairi Tohru

    Symposium on the Chemistry of Natural Products, symposium papers   ( 47 )   401 - 406   2005.9

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    Most Streptomyces strains are equipped with only the 2-C-methyl-D-erythritol 4-phosphate (MEP) pathway for the formation of isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP)-a common precursor of isoprenoids. In addition to this pathway, some Streptomyces strains possess the mevalonate (MV) pathway for the production of IPP and DMAPP. We have shown that Streptomyces sp. strain KO-3988, which was known to produce furaquinocin A, an isoprenoid -polyketide hybrid compound, has two sets of MV pathway gene clusters, namely, MV1 and MV2. Four genes responsible for 3-hydroxy-pimara-9(11),15-diene biosynthesis were confirmed to exist in the upstream region of the MV1 cluster by a heterologous expression experiment in Streptomyces lividans TK23-the first example of prokaryotic enzymes with these biosynthetic functions. We also analyzed the flanking regions of the MV2 cluster and identified a furaquinocin A biosynthetic gene cluster in both the upstream and downstream regions of the MV2 cluster-the first example of the gene cluster responsible for biosynthesis of an isoprenoid-polyketide hybrid compound. By a phylogenetic analysis, the MV1 cluster and the MV2 cluster were identified to probably be independently distributed in the strain KO-3988 (ortholog) rather than the hypothesis that one cluster was generated by the duplication of the other cluster (paralog). It was suggested, therefore, that all actinomycete strains possessing both the MV and MEP pathways would produce isoprenoid compounds, and the biosynthetic genes of one of these isoprenoids usually exist adjacent to the MV pathway gene cluster.

    DOI: 10.24496/tennenyuki.47.0_401

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  • Presence of copalyl diphosphate synthase gene in an actinomycete possessing the mevalonate pathway

    T Kawasaki, T Kuzuyama, Y Kuwamori, N Matsuura, N Itoh, K Furihata, H Seto, T Dairi

    JOURNAL OF ANTIBIOTICS   57 ( 11 )   739 - 747   2004.11

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    DOI: 10.7164/antibiotics.57.739

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  • 81(P-81) A Relationship between the Mevalonate Pathway and Isoprenoid Production in Actinomycetes

    Kawasaki Takashi, Kuzuyama Tomohisa, Furihata Kazuo, Itoh Nobuya, Seto Haruo, Dairi Tohru

    Symposium on the Chemistry of Natural Products, symposium papers   ( 46 )   461 - 466   2004.10

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    Isoprenoid compounds are derived from a five-carbon precursor, isopentenyl diphosphate (IPP), which is known to be synthesized via mevalonate and/or 2-C-methyl-D-erythritol 4-phosphate (MEP) pathway(s). Although most of bacteria including Streptomyces strains are equipped with only the MEP pathway for the formation of IPP, we previously and clearly showed that both the mevalonate and MEP pathways were simultaneously operating in some Streptomyces strains. Kitasatospora griseola, one of such strains, is known to produce a diterpene antibiotic terpentecin (TP). We have previously and clearly shown that a TP biosynthetic gene cluster was located in adjacent of the mevalonate pathway gene cluster. In this study, therefore, we examined whether the mevalonate pathway genes and isoprenoid compound biosynthetic genes are usually clustered in a genomic DNA region in the strains possessing both the mevalonate and the MEP pathways. A mevalonate pathway gene cluster was successfully cloned from Actinoplanes sp. strain A40644, which was known to possess both of pathways and produce an isoprenoid compound, BE-40644, by hybridization using an HMG-CoA reductase gene cloned from the TP producer as a probe. By sequencing flanking regions, a probable BE-40644 biosynthetic gene cluster was suggested to exist in a downstream region of the mevalonate pathway gene cluster. Heterologous expression of a 9-kb fragment confirmed that a set of the BE-40644 biosynthetic genes was involved in the fragment. These results suggested that the presence or the absence of the mevalonate pathway might be a good landmark to detect the production of isoprenoid compounds by actinomycetes. Tetrahedron Lett., 37, 7979 (1996), Tetrahedron Lett., 39, 9497 (1998), Biosci. Biotech. Biochem., 66, 808 (2002), J. Bacteriol., 183, 6085 (2001), J. Antibiot., 45, 957 (2003).

    DOI: 10.24496/tennenyuki.46.0_461

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  • A relationship between the mevalonate pathway and isoprenoid production in actinomycetes

    T Kawasaki, T Kuzuyama, K Furihata, N Itoh, H Seto, T Dairi

    JOURNAL OF ANTIBIOTICS   56 ( 11 )   957 - 966   2003.11

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    DOI: 10.7164/antibiotics.56.957

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  • Interconversion of the product specificity of type I eubacterial farnesyl diphosphate synthase and geranylgeranyl diphosphate synthase through one amino acid substitution

    T Kawasaki, Y Hamano, T Kuzuyama, N Itoh, H Seto, T Dairi

    JOURNAL OF BIOCHEMISTRY   133 ( 1 )   83 - 91   2003.1

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    DOI: 10.1093/jb/mvg002

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  • テルペノイド抗生物質生産放射菌からのメバロン酸経路遺伝子クラスターのクローニング

    濱野 吉十, 大利 徹, 山本 正浩, 川崎 崇, 金田 一秀, 葛山 智久, 伊藤 伸哉, 瀬戸 治男

    日本農芸化学会誌   76 ( 11 )   1092 - 1093   2002.11

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    Language:Japanese   Publisher:Japan Society for Bioscience, Biotechnology, and Agrochemistry  

    DOI: 10.1271/nogeikagaku1924.76.1092

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  • Cloning of a gene cluster encoding enzymes responsible for the mevalonate pathway from a terpenoid-antibiotic-producing Streptomyces strain

    Y Hamano, T Dairi, M Yamamoto, T Kawasaki, K Kaneda, T Kuzuyama, N Itoh, H Seto

    BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY   65 ( 7 )   1627 - 1635   2001.7

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    DOI: 10.1271/bbb.65.1627

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Books

  • ファルマシア・天然物生合成でみいだされたアミド結合形成を触媒する新規酵素

    川崎 崇(703~705)

    発行所:公益社団法人 日本薬学会 発表雑誌:ファルマシア, Vol.44 No.7  2008.7 

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  • タバコにおけるサントパインの生合成及び分泌の解析

    島崎智久, 川崎崇, 矢崎一史, 杉山暁史

    植物微生物研究会研究交流会講演要旨集   28th   21(JA),22(EN)   2018.11

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    J-GLOBAL

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  • プレニルトランスフェラーゼ及びカルコンイソメラーゼを 果実特異的に発現する形質転換トマトの解析

    川崎崇, 肥塚崇男, 杉山暁史, 士反伸和, 熊野匠人, 山本秀明, 佐々木佳菜子, 原田英美子, 江面浩, 葛山智久, 矢崎一史

    第29回日本植物細胞分子生物学会(福岡)大会   2011.9

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Presentations

  • 生合成遺伝子を指標にしたアングサイクリン類を生産する放線菌の探索

    第31回 日本放線菌学会  2016.9 

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  • Roseophilin の生合成に関する研究

    日本薬学会第136年会  2016.3 

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  • 生合成遺伝子を指標にしたアングサイクリン類を生産する放線菌の効率的な探索

    日本薬学会第136年会  2016.3 

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  • Cloning, and Identification of Saprolmycin Biosynthetic Gene Cluster from Streptomyces sp. TK08046.

    Pacifichem 2015  2015.12 

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  • Prodigiosin類の環化遺伝子に関する研究

    第30回 日本放線菌学会  2015.9 

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  • Oridamycin生合成遺伝子クラスターの同定

    第30回 日本放線菌学会  2015.9 

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  • フラバン-3-オール誘導体の糖転移酵素による糖化反応の検討

    日本農芸化学会 2015年度大会  2015.3 

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  • Prodigiosin類の環化遺伝子に関する研究

    日本薬学会第135年会  2015.3 

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  • Oridamycin生合成遺伝子の異種放線菌での発現

    日本薬学会第135年会  2015.3 

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  • Saprolmycin生合成遺伝子クラスターの解析

    第29回 日本放線菌学会  2014.6 

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  • 含チオアミド抗生物質thioviridamideの生合成遺伝子

    日本薬学会第134年会  2014.3 

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  • Oridamycin生合成遺伝子のクローニング

    日本薬学会第134年会  2014.3 

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  • Cineromycin B の脂肪細胞分化阻害活性に関する研究

    日本薬学会第134年会  2014.3 

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  • ヤマノイモ属トゲドコロのステロイドサポニン生合成に関わるステロール22 位水酸化酵素の同定

    植物化学調節学会第48回大会  2013.10 

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  • ヤマノイモ属トゲドコロにおけるステロイドサポニン生合成16 位水酸化酵素の同定

    植物化学調節学会第48回大会  2013.10 

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  • Saprolmycin生合成遺伝子のクローニング

    第28回 日本放線菌学会  2013.9 

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  • ヤマノイモ属トゲドコロにおけるステロイドサポニン生合成P-450遺伝子の探索

    第31回植物細胞分子生物学会  2013.9 

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  • ヤマノイモ属トゲドコロ由来のフロスタノール配糖体を加水分解するβ-グルコシダーゼの同定

    第31回植物細胞分子生物学会  2013.9 

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  • Characterization of furostanol glycoside 26-O-glucosidase involved in hydrolysis of protodioscin from Dioscorea esculenta.

    TERPENET2013  2013.6 

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  • Characterization of De90B, cholesterol 22-hydroxylase involved in steroidal saponin biosynthesis in the tubers of Dioscorea esculenta.

    TERPENET2013  2013.6 

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  • 含チオアミド抗生物質thioviridamideの生合成研究

    日本薬学会第133年会  2013.3 

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  • 異種発現系を用いたhatomarubigin類の生産

    日本薬学会第133年会  2013.3 

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  • Roseophilinの生合成に関する研究

    日本薬学会第133年会  2013.3 

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  • 新規抗卵菌物質saprolmycinEの作用機作研究

    日本薬学会第133年会  2013.3 

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  • Saprolmycin生合成遺伝子の取得

    日本薬学会第133年会  2013.3 

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  • ヤマノイモ属における有用ステロイドサポニン生合成に関わるβ-グルコシダーゼの解析

    第30回日本植物分子細胞生物学会大会・シンポジウム  2012.8 

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  • Hatomarubigin生合成遺伝子の機能解析

    日本農芸化学会2012年度大会(京都)  2012.3 

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  • ヤマノイモ属トゲドコロにおけるプロトジオシンを加水分解するβ-グルコシダーゼの解析

    日本農芸化学会2012年度大会(京都)、2012年3月  2012.3 

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  • ヤマノイモ属トゲドコロにおけるステロイドサポニン生合成に関与する遺伝子の探索

    第46回植物化学調節学会(宇都宮)  2011.11 

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  • トマト果実におけるα‐トマチンの代謝酵素の探索

    第29回植物細胞分子生物学会大会・シンポジウム(博多)  2011.9 

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  • トマトにおけるα-トマチン生合成酵素の探索

    第29回植物細胞分子生物学会大会・シンポジウム(博多)  2011.9 

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  • ヤマノイモ属トゲドコロにおけるステロイドサポニン生合成酵素の探索

    第29回植物細胞分子生物学会大会・シンポジウム(博多)  2011.9 

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  • プレニルトランスフェラーゼ及びカルコンイソメラーゼを果実特異的に発現する形質転換トマトの解析

    第29回植物細胞分子生物学会大会・シンポジウム(博多)  2011.9 

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  • プレニル基転移酵素の過剰発現によるトマト形質転換体のフラボノイドの解析

    日本農芸化学会2011年度大会(京都)  2011.3 

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  • Hatomarubigin生合成遺伝子の機能解析

    第25回日本放線菌学会(東京)  2010.9 

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  • Hatomarubiginの生合成に関する研究

    第52回天然有機化合物討論会(静岡)  2010.9 

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  • Hatomarubigin生合成遺伝子クラスターの同定

    日本薬学会第130年会(岡山)  2010.3 

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  • Streptomyces griseoviridisの新規代謝産物dechlororoseophilin

    日本薬学会第129年会(京都)  2009.3 

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  • Streptomyces griseoviridisのProdigiosin生合成遺伝子

    日本薬学会第129年会(京都)  2009.3 

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  • Roseophilinの生合成に関する研究

    第23回日本放線菌学会(山梨)  2008.7 

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  • GRP78転写抑制物質Efrapeptin Hの研究

    日本薬学会第128年会(横浜)  2008.3 

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  • Roseophilin生産菌が生産する新規Prodigiosin

    日本薬学会第128年会(横浜)  2008.3 

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  • Hatomarubiginの生合成に関する研究

    日本薬学会第128年会(横浜)  2008.3 

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  • Hatomarubiginの生合成に関する研究

    第22回日本放線菌学会(広島)  2007.5 

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  • Roseophilinの生合成に関する研究

    日本薬学会第127年会(富山)  2007.3 

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  • 海洋放線菌が生産する新規piericidin類の研究

    日本薬学会第127年会(富山)  2007.3 

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  • Hatomarubigin生合成遺伝子の解析

    日本農芸化学会2006年度大会(京都)  2006.3 

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  • Furaquinocin生産菌が持つ2つのメバロン酸経路遺伝子クラスター周辺領域の解析

    第47回天然有機化合物討論会(徳島)  2005.10 

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  • Furaquinocin生産菌のメバロン酸経路遺伝子群周辺領域の解析

    第20回日本放線菌学会(富山)  2005.9 

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  • Strepyomyces sp. CL190株およびKO-3988株由来polyprenyl diphosphate synthaseの機能解析

    第20回日本放線菌学会(富山)  2005.9 

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  • A relationship between the mevalonate pathway and isoprenoid production in actinomycetes

    GMBIM/BMP Conference, November, 2004 (San Diego, USA)  2004.11 

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  • Presence of copalyl diphosphate synthase in an actinomycete possessing the mevalonate pathway

    GMBIM/BMP Conference, November, 2004 (San Diego, USA)  2004.11 

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  • 放線菌におけるメバロン酸経路の有無とイソプレノイド化合物の生産性について

    第46回 天然有機化合物討論会(広島)  2004.10 

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  • BE-40644生合成遺伝子群とメバロン酸経路遺伝子群との関連

    日本農芸化学会2004年度大会(広島)  2004.3 

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  • Furaquinocin生産菌のメバロン酸経路遺伝子群周辺領域の解析

    日本農芸化学会2004年度大会(広島)  2004.3 

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Awards

  • 日本大学 生物資源科学部 学部長賞 受賞

    2017.3  

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  • 立命館大学 薬学部 学部長賞(若手教員奨励賞)

    2017.3  

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  • 浜田賞(研究奨励賞)

    2016.9   日本放線菌学会  

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Research Projects

  • 新規構造を有するアングサイクリン類を生産する放線菌の効率的な探索と生合成遺伝子の利用

    2013.8 - 2014.3

    System name:研究成果展開事業 研究成果最適展開支援プログラム(A-STEP)フィージビリティスタディ・ステージ 探索タイプ

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    Grant type:Competitive

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  • Basic studies on activities, action mechanism and application of a new anti-oomycota antibiotic

    Grant number:24510309

    2012.4 - 2015.3

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (C)

    Awarding organization:Japan Society for the Promotion of Science

    IMAMURA NOBUTAKA, KAWASAKI Takashi

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    Grant amount:\5460000 ( Direct Cost: \4200000 、 Indirect Cost:\1260000 )

    Oomycota infect plants and animals and cause severe damage in some situation. Compound 046-E produced by microorganism possess selective activity against oomycota, therefore, it seemed to become a useful preventive agent. We investigated the target molecule of 046-E and identified nucleoside diphosphate kinase B as a binding protein, however, its enzymatic activity was not inhibited by 046-E. We also studied on effects of 046-E to aquatic plankton and preventive effects against oomycota infection on fish eggs, and it was revealed that 046-E is harmless to aquatic plankton and possess potent preventive activity against oomycota infection on fish eggs at low concentration. We attempted to clone and identify a biosynthetic gene cluster for an angucycline-type antibiotics 046-E from Streptomyces sp. TK08046. Finally, we found that a gene cluster involved in 046-E biosynthesis.

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  • 放線菌が生産する生物活性物質のユニークな構造の形成に関与する酵素・遺伝子の解析

    Grant number:21710240

    2009

    System name:科学研究費助成事業

    Research category:若手研究(B)

    Awarding organization:日本学術振興会

    川崎 崇

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    Grant amount:\3510000 ( Direct Cost: \2700000 、 Indirect Cost:\810000 )

    多種多様な生物活性物質を生産する放線菌においてユニークな構造を有する化合物の生合成遺伝子は未だに解明されていないものも多く、その生合成機構を解明することは、学術的、応用的な面からも興味深いものがある。そこで、その生合成に関与する遺伝子を取得し、ユニークな構造を形成するための生合成遺伝子・酵素の解析を行なった。
    放線菌Streptomyces sp. 2238-SVT4が生産するhatomarubigin A~Dは、アングサイクリン抗生物質に属しており、このうちhatomarubigin Dは2分子のhatomarubigin Cがメチレンを介して結合したユニークな構造を有している。アングサイクリン生合成に特徴的なアロマターゼおよびサイクラーゼ遺伝子の周辺領域35kbpの塩基配列を決定したところ、30kbpにわたるアングサイクリン生合成遺伝子クラスター(hrbクラスター)が見出された。そこで、本遺伝子クラスターがhatomarubigin生合成遺伝子であるかどうかを検討した。hrbクラスターは30個のORFからなるが、アングサイクリンの生合成に必須な遺伝子は、前半の25個のORFに含まれていた。そこで、hrbR1~hrbXの25遺伝子をStreptomyces lividans TK23株で発現させて、代謝産物をHPLC分析したところ、hatomarubigin A、B、Cの生産が確認され、hrbわクラスターがhatomarubigin生合成遺伝子であることが明らかになった。また、HrbYの組換え酵素を用いた反応によりhatomarubigin Cからhatomarubigin Dへの変換が確認されたことから、hatomarubigin Dの生合成におけるメチレン架橋には、HrbYが関与することが明らかとなった。

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  • Screening for microbial metabolites that regulate cellular stress response

    Grant number:17390031

    2005 - 2008

    System name:Grants-in-Aid for Scientific Research

    Research category:Grant-in-Aid for Scientific Research (B)

    Awarding organization:Japan Society for the Promotion of Science

    SHIN-YA Kazuo, KAWASAKI Takashi, SHIN-YA Kazuo, KAWASAKI Takashi

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    Grant amount:\16420000 ( Direct Cost: \15100000 、 Indirect Cost:\1320000 )

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Teaching Experience (researchmap)

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