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Toshihiro Kumamaru Last modified date：2023.11.27

Professor / System　Biology
Department of Bioscience and Biotechnology
Faculty of Agriculture


Graduate School
Department of Bioscience and Biotechnology
Graduate School of Bioresource and Bioenvironmental Sciences
Other Organization
Plant Frontier Research Center
Institute of Genetic Resources


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Homepage
https://kyushu-u.elsevierpure.com/en/persons/toshihiro-kumamaru
　Reseacher Profiling Tool　Kyushu University Pure
http://www.agr.kyushu-u.ac.jp/lab/pgr/
1)Genetic regulation of the biosynthesis, intracellular traffic, and accumulation of rice storage protein
2)Construction of rice mutant pool by National Bioresources Project (NBRP)
3)Collection, evaluation and preservation of rice genetic resources .
Academic Degree
Dr. of Agriculture
Country of degree conferring institution (Overseas)
No
Field of Specialization
Plant Genetics,　Plant Physiology
ORCID(Open Researcher and Contributor ID)
0000-0003-4870-1247
Total Priod of education and research career in the foreign country
00years00months
Research
Research Interests
  • The production of the variety for rice oil
    keyword : giant embryo, rice oil
    2010.06～2024.03.
  • Genetic regulation of the synthesis, intracellular transportation and accumulation of rice storage proteins
    keyword : Prolamin, Glutelin, Endoplasmic reticulum, Golgi apparatus, Protein storage vacuole, Protein body, Protein Trafic
    1996.04～2023.03Rice seed storage proteins mainly compose of prolamin and glutelin. Both storage proteins mRNA are sorted to each subdomain of the ER (Hamada, et al, 2003), and both proteins are synthesized on each ER membrane and translocated into the ER lumen. They are stored in morphologically distinct protein body (PB; Tanaka et al., 1980; Krishnan et al., 1986; Yamagata and Tanaka, 1986). Prolamins are stored as intracisternal inclusion granules within the ER lumen (PB-I), whereas glutelins are packaged in a protein storage vacuolar compartment (PSV), same as globulins in dicot (PB-II; Tanaka et al., 1980; Krishnan et al., 1986). The two types of storage compartment in a cell is characteristic in rice. But, the genetic mechanism in the cellular process of the accumulation into protein bodies of both proteins has not been known well. The goal of the rearch is to clear the genetic mechanism of the accumulation of storage proteins into protein bodies..
  • Construction of rice mutation pool in National Bioresources Projest (NBRP)
    keyword : Rice, Mutation, Gene Function, N-methyl-N-nitrosourea, TILLING
    2002.04～2024.03.
  • Research on preservation and property evaluation in rice germplasm
    keyword : Genetic resource, Evaluation of trait, Native vriety, Database
    2010.04～2024.03.
Academic Activities
Books
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1. Kumamaru T., M. Ogawa, H Satoh, T. W. Okita, Protein body biogenesis in cereal endosperms. In Endosperm - Development and Molecular Biology, O.D. Olsen, ed. Plant Cell Monographs, Springer, In Endosperm ﾐ Development and Molecular Biology, O.A. Olsen, ed. Plant Cell Monographs 8, 141-158, 2007.10.
Reports
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Papers
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1. Matsusaka H., M. Fukuda, A. Elkahdar , T. Kumamaru, Serine hydroxymethyltransferase participates in the synthesis of cysteine-rich storage proteins in rice seed, Plant Science, 10.1016/j.plantsci.2021.111049, 312, 111049, 2021.11.
2. Elakhdar A., T. Ushijima, M. Fukuda, N. Yamashiro, Y. Kawagoe, T. Kumamaru., Eukaryotic peptide chain release factor 1 participates in translation termination of specific cysteine-poor prolamines in rice endosperm, Plant Science, org/10.1016/j.plantsci.2018.12.006, 281, 223-231, 2019.04.
3. M. Fukuda, Y. Kawagoe, T. Murakami, H. Washida, A. Sugino, A. Nagamine, T. W. Okita, M. Ogawa, T. Kumamaru, The Dual Roles of the Golgi Transport 1 (GOT1B): RNA Localization to the Cortical Endoplasmic Reticulum and the Export of Proglutelin and α-Globulin from the Cortical-ER to the Golgi., Plant and Cell Physiology, 10.1093/pcp/pcw154, 57, 11, 2380-2391, 2016.11.
4. Elakhdar, A., El-Sattar, M. A., Amer, K., Rady, A., Kumamaru T., Population structure and marker-trait association of salt tolerance in barley (Hordeum vulgare L.), Comptes rendus biologies, 10.1016/j.crvi.2016.06.006, 339, 11, 454-461, 2016.11.
5. Elakhdar Ammar, Ahmed, M. AbdEl-sattar, Khairy, A, Kumamaru T., Genetic diversity and association analysis among Egyptian barley (Hordeum vulgare L.) genotypes with different adaptations to saline conditions analyzed by SSR markers, Australian Journal of Crop Science, 10.21475/ajcs.2016.10.05.p7331, 10, 637-645, 2016.06.
6. Wen L., Fukuda M., Sunada M., Iahino S., Ishino Y., Okita T. W., Ogawa M., Ueda T., Kumamaru T., Guanine nucleotide exchange factor 2 for Rab5 proteins coordinated with GLUP6/GEF regulates the intracellular transport of the proglutelin from the Golgi apparatus to the protein storage vacuole in rice endosperm, Jouranl of Experimental Botany, 10.1093/jxb/erv325, 66 (20), 6137-6147, 2015.10.
7. Hoai T. T. T., Suu T. D., H. Satoh, T. Kumamaru, Diversity of glutelin acidic subunit polypeptides in rice cultivars collected from Northern Vietnam, Plant Breeding, 10.1111/pbr.12159, 133, 3, 341-347, 2014.06.
8. Hoai, T. T. T., M. Hiroaki, Y. Toyosawa, Suu T. D., H. Satoh, T. Kumamaru, Influence of single-nucleotide polymorphisms in the gene encoding granule-bound starch synthase I on amylose content in Vietnamese rice cultivars, Breeding Science, 10.1270/jsbbs.64.142, 64, 2, 142-148, 2014.06.
9. Fukuda M., Wen L., Satoh-Cruz M., Kawagoe Y., Nagamura Y., Okita T. W., Washida H., Sugino A., S. Iahino, Y. Ishino, Ogawa M., Sunada M., Ueda T., Kumamaru T., A guanine nucleotide exchange factor for Rab5 proteins is essential for intracellular transport of the proglutelin from the Golgi apparatus to the protein storage vacuole in rice endosperm, Plant Physiology, 10.1073/pnas.1216151110, 162, 2, 663-672, 2013.06.
10. Fukuda M., M. Satoh-Cruz, L. Wen, A. J. Crofts, A. Sugino, H. Washida, T. W. Okita, M. Ogawa, Y. Kawagoe, M. Maeshima, T. Kumamaru., The small GTPase Rab5a is essential for intracellular transport of proglutelin from Golgi apparatus to the protein storage vacuole and endosomal membrane organization in developing rice endosperm., Plant Physiology, 10.1104/pp.111.180505, 157, 2, 632-644, 2011.10.
11. Ushijima, T., H. Matsusaka, H. Jikuya, M. Ogawa, H. Satoh, T. Kumamaru, Genetic analysis of cysteine-poor prolamin polypeptides reduced in the endosperm of the rice esp1 mutant, Plant Science, 10.1016/j.plantsci.2011.04.011, 181, 125-131, 2011.08.
12. Ai Nagamine, Hiroaki Matsusaka, Tomokazu Ushijima, Yasushi Kawagoe, Masahiro Ogawa, Thomas W. Okita, Toshihiro Kumamaru, A Role for the Cysteine-Rich 10 kDa Prolamin in Protein Body I Formation in Rice, PLANT AND CELL PHYSIOLOGY, 10.1093/pcp/pcr053, 52, 6, 1003-1016, 2011.06.
13. Hikaru Satoh, Hiroaki Matsusaka, Toshihiro Kumamaru, Use of N-methyl-N-nitrosourea treatment of fertilized egg cells for saturation mutagenesis of rice, BREEDING SCIENCE, 10.1270/jsbbs.60.475, 60, 5, 475-485, 2010.12.
14. Yuka Ueda, Mio Satoh-Cruz, Hiroaki Matsusaka, Yoko Takemoto-Kuno, Masako Fukuda, Thomas W. Okita, Masahiro Ogawa, Hikaru Satoh, Toshihiro Kumamaru, Gene-gene interactions between mutants that accumulate abnormally high amounts of proglutelin in rice seed, BREEDING SCIENCE, 10.1270/jsbbs.60.568, 60, 5, 568-574, 2010.12.
15. Mio Satoh-Cruz, Andrew J. Crofts, Yoko Takemoto-Kuno, Aya Sugino, Haruhiko Washida, Naoko Crofts, Thomas W. Okita, Masahiro Ogawa, Hikaru Satoh, Toshihiro Kumamaru, Protein Disulfide Isomerase Like 1-1 Participates in the Maturation of Proglutelin Within the Endoplasmic Reticulum in Rice Endosperm, PLANT AND CELL PHYSIOLOGY, 10.1093/pcp/pcq098, 51, 9, 1581-1593, 2010.09.
16. Satoh-Cruz M., M. Fukuda, M. Ogawa, H. Satoh, and T. Kumamaru, Glup4 gene encodes small GTPase, Rab5a in rice, Rice Genetics Newsletter, 25, 48-49, 2010.05.
17. Toshihiro Kumamaru, Yuji Uemura, Yoshimi Inoue, Yoko Takemoto, Sadar Uddin Siddiqui, Masahiro Ogawa, Ikuko Hara-Nishimura, Hikaru Satoh, Vacuolar Processing Enzyme plays an Essential Role in the Crystalline Structure of Glutelin in Rice Seed, PLANT AND CELL PHYSIOLOGY, 10.1093/pcp/pcp165, 51, 1, 38-46, 2010.01.
18. Jahan Md. S., Y. Uemura, T. Kumamaru, A. Hamid and H. Satoh., Genetic variation of glutelin acidic subunit polypeptides in Bangladesh rice genetic resources., Genetic Resources and Crop Evolution, 10.1007/s10722-003-6023-7, 52, 8, 977-987, 2005.01.
19. T. Kumamaru, Y. Uemura, Y. Takemoto, M. Ogawa and H. Satoh, High-resolution mapping of glup3 gene accumulating high amount of glutelin precursor, Rice Genetics Newsletter, 19, 62-63, 2002.12.
20. Ushijima, T., H. Satoh and T. Kumamaru., Mapping of esp1 gene for cystein-poor (CysP) prolamin decreased mutant in rice., Rice Genetics Newsletter, 19, 64-65, 2002.12.
21. Y Takemoto, SJ Coughlan, TW Okita, H Satoh, M Ogawa, T Kumamaru, The rice mutant esp2 greatly accumulates the glutelin precursor and deletes the protein disulfide isomerase, PLANT PHYSIOLOGY, 10.1104/pp.010624, 128, 4, 1212-1222, 2002.04.
22. Kumamaru, T., H. Sato and H. Satoh, High-lysine mutants of rice, Oryza sativa L., Plant Breeding, 116, 3, 245-249, 1997.08.
23. A. Bhowmik, T. Omura, Toshihiro Kumamaru, Screening of Rice Varieties for Endosperm Storage Proteins, Plant Breeding, 10.1111/j.1439-0523.1990.tb00461.x, 105, 2, 101-105, 1990.05.
24. Toshihiro Kumamaru, Hikaru Satoh, Takeshi Omura, Masahiro Ogawa, Mutants for rice storage proteins. IV. maternally inherited mutants for storage proteins of protein bodies in starchy endosperm, Heredity, 10.1038/hdy.1990.2, 64, 1, 9-15, 1990.01.
25. M. Ogawa, Toshihiro Kumamaru, H. Satoh, T. Omura, T. Park, K. Shintaku, K. Baba, Mutants for rice storage proteins - 2. Isolation and characterization of protein bodies from rice mutants, Theoretical And Applied Genetics, 10.1007/BF00265288, 78, 3, 305-310, 1989.09.
26. Toshihiro Kumamaru, H. Satoh, N. Iwata, T. Omura, M. Ogawa, K. Tanaka, Mutants for rice storage proteins - 1. Screening of mutants for rice storage proteins of protein bodies in the starchy endosperm, Theoretical And Applied Genetics, 10.1007/BF00288825, 76, 1, 11-16, 1988.07.
27. Masahiro Ogawa, Toshihiro Kumamaru, Hikaru Satoh, Nobuo Iwata, Takeshi Omura, Zenzaburo Kasai, Kunisuke Tanaka, Purification of protein body-I of rice seed and its polypeptide composition, Plant and Cell Physiology, 28, 8, 1517-1527, 1987.12.
28. Toshihiro Kumamaru, Nobuo Iwata, Takeshi Omura, Hikaru Satoh, Masahiro Ogawa, Mutants for rice storage proteins. III. Genetic analysis of mutants for storage proteins of protein bodies in the starchy endosperm, Genes and Genetic Systems, 10.1266/jjg.62.333, 62, 4, 333-339, 1987.01.
Presentations
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1. Ammar Elakhdar, T. Ushijima, M. Fukuda, N. Yamashiro, Y. Kawagoe, T. Kumamaru, The translation termination factor eRF1 protein is essential for the accumulation of specific cyatein-poor prolamines in rice endosperm, Annual WSU (Washington State University) Plant Science Symposium, 2021.05.
2. Tran Hong Quan, Hiroaki Matsusaka, Tomokazu Ushijima,Takahiko Kubo, Toshirhiro Kumamaru, Identification of genomic region harboring Endosperm Storage Protein (ESP) 3 gene regulating the Cysteine-rich prolamine by MutMap, 日本育種学会第14回九州育種談話会, 2019.11.
3. Saw Myat Nwe，Masako Fukuda，Toshihiro Kumamaru, The role of the Protein Disulfide Isomerase Like (PDIL) 2-3 in the accumulation of the storage proteins in rice endosperm, 日本育種学会第134回講演会, 2018.09.
4. Ammar Elakhdar, Tomokazu Ushijima, Masako Fukuda, Noriko Yamashiro, Yasushi Kawagoe, Toshihiro Kumamaru, The recognition assay of termination codon by ESP1/ eukaryote releases factor-1 (eRF1) in rice, International Plant & Animal Genome XXVI, 2018.01.
5. Ammar Elakhdar, Tomokazu Ushijima, Masako Fukuda, Noriko Yamashiro, Yasushi Kawagoe, Toshihiro Kumamaru, The recognition assay of termination codon by ESP1/ eukaryotic releases factor-1 (eRF1) in rice, 九州育種談話会, 2017.12.
6. Sobhy A., Fukuda M., and Kumamaru T., Guanine nucleotide exchange factor2 (GEF2) for Rab5 proteins is essential for intracellular transport of the proglutelin from the Golgi apparatus to the protein storage vacuole in rice endosperm., 九州育種談話会, 2017.12.
7. Ammar Elakhda, Tomokazu Ushijima, Masako Fukuda, Noriko Yamashiro, Yasushi Kawagoe, Toshihiro Kumamaru, Function of ESP1/eRF1 in the translation of prolamin polypeptides in rice endosperm, 日本育種学会, 2018.03.
8. Vacuolar processing enzyme plays an essential role in the formation of the glutelin crystalline structure in rice seed.
9. Seliction of mutant for Tudor-SN in rice.
10. The small GTPase Rab5a is essential for intracellular transport of glutelin precursor from Golgi apparatus and endosomal membrane organization in developing rice endosperm .
11. Rice genetic resources by MNU mutagenesis.
12. Vacuolar processing enzyme plays an essential role in the formation of the glutelin crystalline structure in rice seed.
13. The role of cysteine-rich prolamines for the formation of prolamine protein body .
14. The small GTPase Rab5a is essential for intracellular transport of glutelin precursor from Golgi apparatus and endosomal membrane organization in developing rice endosperm .
15. Esp1 gene, regulatory factor in rice cysteine-poor prolamin, encode a peptide release factor (eucaryotic Release Factor 1, eRF1).
Membership in Academic Society
  • American Society of Plant Biologist
Educational
Educational Activities
Graduated School classes
Plant Genetic Engineering

Under Graduated School classe
Basic Genetics


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