原著論文

1. Kamiyama Y, Katagiri S, Li Y, Yamashita K, Takase H, Umezawa, T. (2025) “Hyperosmolarity-induced suppression of group B1 Raf-like protein kinases modulates drought-growth trade-off in Arabidopsis. Arabidopsis group C Raf-like protein kinases negatively regulate abscisic acid signaling and are direct substrates of SnRK2.” Proc. Natl. Acad. Sci. USA. 121(52):e2419204121. [Pubmed] [Journal] [プレスリリース]


2. Li, Y., Kamiyama, Y., Minegishi, F., Tamura, Y., Yamashita, K., Katagiri, S., Takase, H., Otani, M., Tojo, R., Rupp, G.E., Suzuki, T., Kawakami, N., Peck, S.C. and Umezawa, T. (2024) “Group C MAP kinases phosphorylate MBD10 to regulate ABA-induced leaf senescence in Arabidopsis.” Plant J. 118(6):1747-1759. [Pubmed] [Journal] [プレスリリース]


3. Borjigin, T., Ohkama-Ohtsu, N., Agake, S., Ngo, N.P., Maeda, M., Yokoyama, T., Umezawa, T. and Yamada, T. (2024) “Effects of plant growth-promoting rhizobacteria Bacillus pumilus TUAT1 strain inoculation on Arabidopsis thaliana seedling growth.” Asian J. Plant Sci. 23: 35-45. [Journal]


4. Katagiri, S., Kamiyama, Y., Yamashita, K., Iizumi, S., Suzuki, R., Aoi, Y., Takahashi, F., Kasahara, H., Kinoshita, T. and Umezawa, T. (2024) “Accumulation of phosphorylated SnRK2-Substrate 1 promotes drought escape in Arabidopsis.” Plant Cell Physiol. 65(2):259-268. [Pubmed] [Journal]


5. Kamiyama, Y., Hirotani, M., Ishikawa, S., Minegishi, F., Katagiri, S., Rogan, C.J., Takahashi, F., Nomoto, M., Ishikawa, K., Kodama, Y., Tada, Y., Takezawa, D., Anderson, J.C., Peck, S.C., Shinozaki, K. and Umezawa, T. (2021) “Arabidopsis group C Raf-like protein kinases negatively regulate abscisic acid signaling and are direct substrates of SnRK2.” Proc. Natl. Acad. Sci. USA. 118(30):e2100073118. [Pubmed] [Journal] [プレスリリース]


6. Islam, M., Inoue, T., Hiraide, M., Khatun, N., Jahan, A., Kuwata, K., Katagiri, S., Umezawa, T., Yotsui, I., Sakata, Y. and Takezawa, D. (2021) “Activation of SnRK2 by Raf-like kinase ARK represents a primary mechanism of ABA and abiotic stress responses.” Plant Physiol. 185(2):533-546. [Pubmed] [Journal]


7. Matsuoka, S., Sato, K., Maruki-Imamura, R., Noutoshi, Y., Okabe, T., Kojima, H. and Umezawa, T. (2021) “Identification of novel compounds that inhibit SnRK2 kinase activity by high-throughput screening.” Biochem. Biophys. Res. Commun. 537:57-63. [Pubmed] [Journal]


8. Kamal, M.M., Ishikawa, S., Takahashi, F., Suzuki, K., Kamo, M., Umezawa, T., Shinozaki, K., Kawamura, Y. and Uemura, M. (2020) “Large-scale phosphoproteomic study of Arabidopsis membrane proteins reveals early signaling events in response to cold.” Int. J. Mol. Sci. 21(22):8631. [Pubmed] [Journal]


9. Katsuta, S., Masuda, G., Bak, H., Shinozawa, A., Kamiyama, Y., Umezawa, T., Takezawa, D., Yotsui, I., Taji, T. and Sakata, Y. (2020) Arabidopsis Raf-like kinases act as positive regulators of subclass III SnRK2 in osmostress signaling. Plant J. 103(2): 634-644. [Pubmed] [Journal]


10. Ishikawa, S., Barrero, J.M., Takahashi, F., Peck, S.C., Gubler, F., Shinozaki, K. and Umezawa, T. (2019) “Comparative phosphoproteomic analysis reveals a decay of ABA signaling in barley embryos during after-ripening process.” Plant Cell Physiol. 60: 2758-2768. [Pubmed] [Journal]


11. Barrero, J.M., Dorr, M., Talbot, M.J., Ishikawa, S., Umezawa, T., Alonso-Peral, M.M., White, R.G. and Gubler, F. (2019) “A role for PM19-Like 1 in seed dormancy in Arabidopsis.” Seed Sci. Res. 29: 184-196. [Journal]


12. Ishikawa, S., Barrero, J.M., Takahashi, F., Peck, S.C., Gubler, F., Shinozaki, K. and Umezawa, T. (2019) “Comparative phosphoproteomic analysis of barley embryos with different dormancy during imbibition.” Int. J. Mol. Sci. 20: 451. [Pubmed] [Journal]


13. Shinozawa, A., Otake, R., Takezawa, D., Umezawa, T., Komatsu, K., Tanakam K., Amagai, A., Ishikawa, S., Hara, Y., Kamisugi, Y., Cuming, A.C., Hori, K., Ohta, H., Takahashi, F., Shinozaki, K., Hayashi, T., Taji, T. and Sakata, Y. (2019) “SnRK2 protein kinases represent an ancient system in plants for adaptation to a terrestrial environment.” Commun. Biol. 2: 30. [Pubmed] [Journal]


14. Jahan, A., Komatsu, K., Wakida-Sekiya, M., Hiraide, M., Tanaka, K., Ohtake, R., Umezawa, T., Toriyama, T., Shinozawa, A., Yotsui, I., Sakata, Y. and Takezawa, D. (2019) “Archetypal roles of an abscisic acid receptor in drought and sugar responses in liverworts.” Plant Physiol. 179: 317-328. [Pubmed] [Journal]


15. Osako, Y., Takata, N., Nuoendagula, N., Ishikawa, S., Umezawa, T., Taniguchi, T. and Kajita, S. (2019) “Expression analysis of cellulose synthases that comprise the Type II complex in hybrid aspen.” Plant Biol. 21(2):361-370. [Pubmed] [Journal]


16. Amagai, A., Honda, Y., Ishikawa, S., Hara, Y., Kuwamura, M., Shinozawa, A., Sugiyama, N., Ishihama, Y., Takezawa, D., Sakata, Y., Shinozaki, K. and Umezawa, T. (2018) “Phosphoproteomic profiling reveals ABA-responsive phosphosignaling pathways in Physcomitrella patens.” Plant J. 94: 699-708. [Pubmed] [Journal]


17. Yu, X., Ohtani, M., Kusano, M., Nishikubo, N., Uenoyama, M., Umezawa, T., Saito, K., Shinozaki, K. and Demura, T. (2017) “Enhancement of abiotic stress tolerance in poplar by overexpression of key Arabidopsis stress response genes, AtSRK2C and AtGolS2.” Mol. Breeding 37: 57. [Journal]


18. Saruhashi, M., Kumar-Ghosh, T., Arai, K., Ishizaki, Y., Hagiwara, K., Komatsu, K., Shiwa, Y., Umezawa, T., Sakata, Y. and Takezawa, D. (2015) “Plant Raf-like kinase integrates abscisic acid and hyperosmotic stress signaling upstream of SNF1-related protein kinase2.” Proc. Nat. Acad. Sci. USA. 112(46): E6388-6396. [Pubmed] [Journal]


19. Ito, T., Kondoh, Y., Yoshida, K., Umezawa, T., Shimizu, T., Shinozaki, K. and Osada, H. (2015) "Novel abscisic acid antagonists identified with chemical array screening." ChemBioChem 16(17): 2471-2478. [Pubmed] [Journal] [日本語の解説記事]
    


20. Umezawa, T., Sugiyama, N., Takahashi, F., Anderson, J.C., Ishihama, Y., Peck, S.C. and Shinozaki, K. (2013) “Genetics and phosphoproteomics reveal a protein phosphorylation network in the abscisic acid pathway in Arabidopsis thaliana.” Sci. Signal. 6(270): rs8. [Pubmed] [Journal] [日本語の解説記事]
    全文および別刷PDFがこちらのページのリンクから閲覧できます。


21. Osakabe, Y., Arinaga, N., Umezawa, T., Katsura, S., Nagamachi, K., Tanaka, H., Ohiraki, H., Yamada, K., Seo, S.-U., Abo, M., Yoshimura, E., Shinozaki, K., Yamaguchi-Shinozaki, K. (2013) “Osmotic stress response and plant growth controlled by the potassium transporters in Arabidopsis.” Plant Cell 25(2): 609-624.[Pubmed] [Journal]


22. Tomooka, N., Inoue, J., Akiba, M. and Umezawa, T. (2013) “Collection and conservation of wild leguminous crop relatives on Ishigaki, Iriomote, Miyako, Kurima, Irabu and Ikema islands, Okinawa, Japan, 2012.” AREIPGR 29: 1-17.


23. *Mizoguchi, M., *Umezawa, T., Nakashima, K., Kidokoro, S., Takasaki, H., Fujira, Y., Yamaguchi-Shinozaki, K. and Shinozaki, K. (2010) “Two closely related subclass II SnRK2 protein kinases cooperatively regulate drought-inducible gene expression.” Plant Cell Physiol. 51(5):842-847.  *equal contribution. [Pubmed] [Journal]
    
    
24. Schmutz, J., Cannon, S.B., Schlueter, J., Ma, J., Hyten, D., Song, Q., Mitros, T., Nelson, W., May, G.D., Gill, N., Peto, M., Goodstein, D., Thelen, J.J., Cheng, J., Sakurai, T., Umezawa, T., Shinozaki, K., Du, J., Bhattacharyya, M., Sandhu, D., Grant, D., Joshi, T., Libault, M., Zhang, X-.C., Xu, D., Futrell-Griggs, M., Abernathy, B., Hellsten, U., Berry, K., Grimwood, J., Wing, R.A., Cregan, P., Stacey, G., Specht, J., Rokhsar, D., Shoemaker, R.C. and Jackson, S.A. (2010) “Genome sequence of the paleopolyploid soybean (Glycine max (L.) Merr.)” Nature 463(7278):178-183. [Pubmed] [Journal] [日本語の解説記事]
    
    
25. Choi, P., Mano, Y., Ishikawa, A., Odashima, M., Umezawa, T., Fujimura, T., Takahata, Y. and Komatsuda, T. (2010) “Identification of QTLs controlling somatic embryogenesis using RI population of cultivar × weedy soybean.” Plant Biotech. Rep. 4(1): 23-27.
    
    
26. Fujita, Y., Nakashima, K., Yoshida, T., Katagiri, T., Kidokoro, S., Kanamori, N., Umezawa, T., Fujita, M., Maruyama, K., Ishiyama, K., Kobayashi, M., Nakasone, S., Yamada, K., Ito, T., Shinozaki, K. and Yamaguchi-Shinozaki, K. (2009) “Three SnRK2 protein kinases are the main positive regulators of abscisic acid signaling in response to water stress in Arabidopsis.” Plant Cell Physiol. 50(12):2123-2132.
    
    
27. Sato, A.,  Sato, Y.,  Fukao, Y.,  Fujiwara, M.,  Umezawa, T., Shinozaki, K., Hibi, T.,  Taniguchi, M.,  Miyake, H.,  Goto, D.B. and Uozumi, N. (2009) “Threonine  at  position  306  of  the  KAT1  potassium  channel  is  essential  for channel activity and is a target site for ABA-activated SRK2E/OST1/SnRK2.6 protein kinase.” Biochem. J. 424(3):439-448.
    
    
28. Umezawa, T., Sugiyama, Y., Mizoguchi, M., Hayashi, S., Myouga, F., Yamaguchi-Shinozaki, K., Ishihama, Y., Hirayama, T. and Shinozaki, K. (2009) “Type 2C protein phosphatases directly regulate abscisic acid-activated protein kinases in Arabidopsis.”  Proc. Nat. Acad. Sci. USA. 106(41): 17588-17593.[Pubmed] [Free Full Text] [日本語の解説記事]
    
    
29. Nakashima, K., Fujita, Y., Kanamori, N., Katagiri, T., Umezawa, T., Kidokoro, S., Maruyama, K., Yoshida, T., Ishiyama, K., Kobayashi, M., Shinozaki, K. and Yamaguchi-Shinozaki, K. (2009) “Three Arabidopsis SnRK2 protein kinases, SRK2D/SnRK2.2, SRK2E/SnRK2.6/OST1 and SRK2I/SnRK2.3 involved in ABA-signaling are essential for the control of seed development and dormancy.” Plant Cell Physiol. 50(7):1345-1363.
    
    
30. Myouga, F., Hosoda, C., Umezawa, T., Iizumi, H., Kuromori, T., Motohashi, R., Shono, Y., Nagata, N., Ikeuchi, M. and Shinozaki, K. (2008) “Heterocomplex of Arabidopsis chloroplast-targeted iron superoxide dismutases, FSD2 and FSD3, mediates defense against oxidative stress in chloroplast nucleoids and is essential for chloroplast development.” Plant Cell 20(11):3148-3162.
    
    
31. Umezawa, T., Sakurai, T., Totoki, Y., Toyoda, A., Seki, M., Ishiwata, A., Akiyama, K., Kurotani, A., Yoshida, T., Mochida, K., Kasuga, M., Todaka, D., Maruyama, K., Nakashima, K., Enju, A., Mizukado, S., Ahmed, S., Yoshiwara, K., Harada, K., Tsubokura, Y., Hayashi, M., Sato, S., Anai, T., Ishimoto, M., Funatsuki, H., Teraishi, M., Osaki, M., Shinano, T., Akashi, R., Sakaki, Y., Yamaguchi-Shinozaki, K. and Shinozaki, K. (2008) “Sequencing and Analysis of Approximately 40,000 Soybean cDNA Clones from a Full-length Enriched cDNA Library.” DNA Res. 15(6):333-346. [Pubmed] [Free Full Text] [日本語の解説記事]
    
    
32. Yasuda, M., Ishikawa, A., Jikumaru, Y., Seki, M., Umezawa, T., Asami, T., Maruyama-Nakashita, A., Kudo, T., Shinozaki, K., Yoshida, S. and Nakashita, H. (2008) “Antagonistic Interaction between Systemic Acquired Resistance and the Abscisic Acid–Mediated Abiotic Stress Response in Arabidopsis.” Plant Cell 20(6):1678-1692.
    
    
33. Qin, F., Sakuma Y., Tran, LP., Maruyama, K., Kidokoro, S., Fujita, Y., Fujita, M., Umezawa, T., Sawano, Y., Miyazono, K., Tanokura, M., Shinozaki, K. and Yamaguchi-Shinozaki, K. (2008) “Arabidopsis DREB2A-Interacting Proteins Function as RING E3 Ligases and Negatively Regulate Plant Drought Stress–Responsive Gene Expression.” Plant Cell 20(6):1693-1707
    
    
34. Akihiro, T., Umezawa, T., Ueki, C., Lobna, B. M., Mizuno, K. and Fujimura, T. (2006) “Genome wide cDNA-AFLP analysis of genes rapidly induced by combined sucrose and ABA treatment in rice cultured cells.” FEBS Lett. 580(25): 5947-5952.
    
    
35. Umezawa, T., Okamoto, M., Kushiro, T., Nambara, E., Oono, Y., Seki, M., Kobayashi. M., Kamiya, Y. and Shinozaki, K. (2006) “CYP707A3, a major ABA 8”-hydroxylase involved in dehydration and rehydration process in Arabidopsis thaliana.” Plant J. 46: 171-182. [Pubmed] [Journal] [日本語の解説記事]
    
    
36. Yoshida, R., Umezawa, T., Mizoguchi, T., Takahashi, S., Takahashi, F. and Shinozaki, K.(2006) “Regulatory domain of SRK2E/OST1 interacts with ABI1 and integrates ABA and osmotic stress signals controlling stomatal closure in Arabidopsis.” J. Biol. Chem. 281(8): 5310-5318. [Pubmed] [Journal]
    
    
37. Furihata, T., Maruyama, K., Fujita, Y., Umezawa, T., Yoshida, R., Shinozaki, K. and Yamaguchi-Shinozaki, K. (2006) “ABA-dependent multisite phosphorylation regulates the activity of a transcription activator AREB1.” Proc. Nat. Acad. Sci. USA. 103(6): 1988-1993.
    
    
38. Kamei, A., Seki, M., Umezawa, T., Ishida, J., Sato, M., Akiyama, K., Zhu, J.K. and Shinozaki, K. (2005) “Analysis of gene expression profiles in Arabidopsis salt-overly sensitive mutants sos2-1 and sos3-1.” Plant Cell Environ. 28(10): 1267-1275.
    
    
39. Kitahata, N., Saito, S., Miyazawa, Y., Umezawa, T., Shimada, Y., Min, Y.K., Mizutani, M., Hirai, N., Shinozaki, K., Yoshida, S. and Asami T.(2005) “Chemical regulation of abscisic acid catabolism in plants by cytochrome P450 inhibitors.” Bioorg. Med. Chem. 13(14): 4491-4498.
    
    
40. Umezawa, T., Yoshida, R., Maruyama, K., Yamaguchi-Shinozaki, K. and Shinozaki, K. (2004) “SRK2C, a SNF1-related protein kinase 2 that improves drought tolerance by controlling stress-responsive genes in Arabidopsis thaliana.” Proc. Nat. Acad. Sci. USA. 101(49): 17306-17311. [Pubmed] [Free Full Text] [日本語の解説記事]
    
    
41. Narusaka, Y., Narusaka, M., Seki, M., Umezawa, T., Ishida, J., Nakajima, M., Enju, A. and Shinozaki, K. (2004) “Crosstalk in the responses to abiotic and biotic stresses in Arabidopsis: Analysis of gene expression in cytochrome P450 gene superfamily by cDNA microarray.” Plant Mol. Biol. 55:327-342.
    
    
42. Choi, P., Mano, Y., Ishikawa, A., Odashima, M., Umezawa, T., Fujimura, T., Takahata, Y. and Komatsuda, T. (2003) “Construction of a high-density AFLP and SSR map using recombinant inbred lines of cultivated × weedy soybean.” Breed. Sci. 53(4):335-344.
    
    
43. Seki, M., Ishida, J., Narusaka, M., Fujita, M., Nanjo, T., Umezawa, T., Kamiya, A.,Nakajima, M., Enju, A., Sakurai, T., Satou, M., Akiyama, K., Yamaguchi-Shinozaki, K., Carninci, P., Kawai, J., Hayashizaki, Y. and Shinozaki, K. (2002) “Monitoring the expression pattern of around 7,000 Arabidopsis genes under ABA treatments using a full-length cDNA microarray.” Func. Integ. Genomics 2(6):282-91.
    
    
44. Umezawa, T., Mizuno, K. and Fujimura, T. (2002) “Discrimination of genes expressed in response to the ionic or osmotic effect of salt stress in soybean with cDNA-AFLP.” Plant Cell Environ.25(12): 1617-1625.
    
    
45. Umezawa, T., Shimizu, K., Kato, M. and Ueda, T. (2001) “Effects of non-stomatal components on photosynthesis in soybean under salt stress.” Jpn. J. Trop. Agric.45(1): 57-63.
    
    
46. Umezawa, T., Shimizu, K., Kato, M. and Ueda, T. (2000) “Enhancement of salt tolerance in soybean with NaCl pretreatment.” Physiol. Plant.110: 59-63.
    
    
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総説・著書

1. 1. Verslues, P.E., Bailey-Serres, J., Brodersen, C., Buckley, T.N., Conti, L., Christmann, A., Dinneny, J.R., Grill, E., Hayes, S., Heckman, R.W., Hsu, P.K., Juenger, T.E., Mas, P., Munnik, T., Nelissen, H., Sack, L, Schroeder, J.I., Testerink, C., Tyerman, S.D., Umezawa, T., Wigge, P.A. (2022) “Burning questions for a warming and changing world: 15 unknowns in plant abiotic stress.” Plant Cell 35(1): 67-108. [Journal]


2. Kamiyama, Y., Katagiri, S. and Umezawa, T. (2021) "Growth promotion or osmotic stress response: How SNF1-related protein kinase 2 (SnRK2) kinases are activated and manage intracellular signaling in plants" Plants 10(7): 1443. [Journal]


3. Umezawa, T. (2015) “Screening of kinase substrates using kinase-knockout mutants.” Methods in Molecular Biology 1306: 59-69.[Link]
   
   
4. Umezawa, T., Takahashi, F. and Shinozaki, K. (2014) “Phosphorylation Networks in the Abscisic Acid Signaling Pathway.” The Enzymes 35: 27-56.[Link]
   
   
5. Kuromori, T., Mizoi, J., Umezawa, T., Yamaguchi-Shinozaki, K. and Shinozaki, K. (2013) "Stress signaling networks: drought stress.” In The Plant Science (ed. S. Hoswell), Springer, Article ID:349838.[Link]
   
   
6. Umezawa, T., Sugiyama, N., Anderson, J.C., Takahashi, F., Ishihama, Y., Peck, S.C., Shinozaki, K. (2013) "Protein phosphorylation networks in abscisic acid signaling.” In Plant and Microbe Adaptations to Cold in a Changing World (eds. R. Imai, M. Yoshida and N. Matsumoto), Springer, pp.155-164.
   
   
7. Umezawa, T. (2011) “Systems biology approaches to abscisic acid signaling.” J. Plant Res. 24(4): 539-548. [Pubmed] [Journal]
   
   
8. Umezawa, T., Hirayama, T., Kuromori, T. and Shinozaki, K. (2011) “Regulatory networks of plant responses to abscisic acid” Adv. Botan. Res. 57: 201-233.
   
   
9. Umezawa, T., Nakashima K., Miyakawa, T. Kuromori, T. Tanokura, M., Shinozaki, K. and Yamaguchi-Shinozaki, K. (2010) “Molecular basis of the core regulatory network in ABA responses : sensing, signaling and transport.” Plant Cell Physiol. 51(11): 1821-1839. [Pubmed] [Free Full Text]
   
   
10. Hirayama, T. and Umezawa, T. (2010) “The PP2C–SnRK2 complex: The central regulator of an abscisic acid signaling pathway.” Plant Signal. Behav. 5(2): 160-163.
    
    
11. 梅澤泰史・篠崎一雄 (2009)「植物のシグナル伝達研究とリン酸化プロテオーム解析」実験医学 27(16):2570-2575.
    
    
12. 植物ゲノム科学辞典（駒嶺穆 ・斉藤和季 ・田畑哲之 ・藤村達人 ・町田泰則 ・三位正洋 編）朝倉書店（2009）：担当執筆者
    
    
13. 梅澤泰史・浦野薫・篠崎一雄 (2007) 「乾燥ストレス応答におけるシグナル伝達と耐性獲得の分子機構」蛋白質核酸酵素 52(6):550-556.
    
    
14. Seki, M., Umezawa, T., Kim, J.M., Matsui, A., To, T. and Shinozaki, K. (2007) Transcriptome analysis of plant drought and salt stress response., Advances in Molecular Breeding toward Drought and Salt Tolerant Crops, Edited by Drs. M.A. Jenks, P.M. Hasegawa and S.M. Jain., Springer Publishing. 261-283. 
    
    
15. Seki, M., Umezawa, T., Urano, K. and Shinozaki, K. (2007) “Regulatory metabolic networks in drought stress responses.”  Curr Opin Plant Biol.10(3): 296-302.
    
    
16. 片桐健・梅澤泰史・篠崎和子・篠崎一雄（2006）「アブシジン酸の制御因子、シグナル伝達因子を用いたネットワーク制御による環境ストレス耐性の付与」　
    BRAINテクノニュース No.117: 8-13.
    
    
17. Umezawa, T., Fujita, M., Fujita, Y., Yamaguchi-Shinozaki, K. and Shinozaki, K. (2006) “Engineering drought tolerance in plants: Discovering and tailoring genes unlock the future.” Curr. Opin. Biotech. 17: 113-122. [Pubmed] [Journal]
    
    
18. Seki, M., Ishida, J., Nakajima, M., Enju, A., Iida, K., Satou, M., Fujita, M., Narusaka, Y., Narusaka, M., Sakurai, T., Akiyama, K., Oono, Y., Kamei, A., Umezawa, T., Mizukado, S., Maruyama, K., Yamaguchi-Shinozaki, K. and Shinozaki, K. (2005)　”Genomic analysis of stress response.” In Plant Abiotic Stress (eds. M.A. Jenks and P.M. Hasegawa), Blackwell Publishing Ltd, Sheffield, UK, 248-265.
    
    
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国際会議講演

1. Umezawa, T. “Protein phosphorylation network in abscisic acid signaling.” 12th Annual Plant Biology Minisymposium, College Park, MD, Apr. 8-9, 2011. (Invited)
   
   
2. Umezawa, T., Yamaguchi-Shinozaki, K. and Shinozaki, K. “Regulatory Network in Drought Stress Response and Tolerance : from Arabidopsis to crops.” International Symposium on Drought Tolerance in Plants, Goiania, Brazil, Oct. 19-21, 2010. (Invited)
   
   
3. Umezawa, T., Sugiyama, N., Mizoguchi, M., Hayashi, S., Myouga, F., Yamaguchi-Shinozaki, K., Ishihama, Y., Hirayama, T. and Shinozaki, K. “The PP2C-SnRK2 complex : a central regulatory module in abscisic acid signaling.” Plant Protein Phosphorylation Symposium, University of Missouri-Columbia, Columbia, MO, May. 26-28, 2010. (Selected for oral presentation)
   
   
4. Umezawa T. “Type 2C Protein Phophatases Directly Regulate Abscisic Acid-Activated protein Kinases in Arabidopsis.” North Carolina Plant Molecular Biology Consortium Seminar Series, North Carolina Biotechnology Center, Research Triangle Park, NC, Nov. 2, 2009.
   
   
5. Umezawa T.（他25名）”Construction of a Soybean Full-length cDNA Library and Oligonucleotide Microarray.” The Kazusa Conference on Legume Genetics and Genomics in Asia, Kazusa DNA Research Institute, Kisarazu, Japan, Nov. 28-29, 2006
   
   
6. Umezawa T., Yoshida R., Maruyama K., Yamaguchi-Shinozaki K. and Shinozaki K. “Arabidopsis SnRK2 protein kinases and osmotic stress signaling.” The Xth France Japan Workshop on Plant Sciences: Cellular Signalling and Development, Toulouse, France, Sep. 24-28, 2005.

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招待講演（国内）

1. 梅澤泰史・杉山直幸・Jeffrey A. Anderson・高橋史憲・寺尾亮佑・石塚梢・坂田洋一・竹澤大輔・石濱泰・Scott C. Peck・平山隆志・篠崎一雄：陸上植物のアブシシン酸応答に関わるタンパク質リン酸化ネットワークの解析、第54回日本植物生理学会年会シンポジウム7「進化的視点からシグナル伝達系を考える―シアノバクテリアから高等植物まで」、岡山、3月22日（2013）
   
   
2. 梅澤泰史：リン酸化プロテオミクスと遺伝学の組合わせ：シロイヌナズナにおけるアブシシン酸シグナル伝達系の解析、大阪大学蛋白質研究所セミナー「シグナル伝達と解析技術のあらたな潮流」、大阪、3月4日（2013）
   
   
3. 梅澤泰史・杉山直幸�