K
Kenji Umemura
Researcher at Kyoto University
Publications - 147
Citations - 4592
Kenji Umemura is an academic researcher from Kyoto University. The author has contributed to research in topics: Adhesive & Citric acid. The author has an hindex of 35, co-authored 144 publications receiving 3902 citations. Previous affiliations of Kenji Umemura include Akita Prefectural University.
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Journal ArticleDOI
Cinnamoyl-CoA reductase, a key enzyme in lignin biosynthesis, is an effector of small GTPase Rac in defense signaling in rice
Tsutomu Kawasaki,Hisako Koita,Tomoyuki Nakatsubo,Kana Hasegawa,Ken-ichi Wakabayashi,Hiroki Takahashi,Kenji Umemura,Toshiaki Umezawa,Ko Shimamoto +8 more
TL;DR: It is likely that OsRac1 controls lignin synthesis through regulation of both NADPH oxidase and OsCCR1 activities during defense responses in rice, which presents an undegradable mechanical barrier to most pathogens.
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Characterization of the morphological, physical, and mechanical properties of seven nonwood plant fiber bundles
TL;DR: In this paper, the morphological, physical, and mechanical properties of the nonwood plant fiber bundles of ramie, pineapple, sansevieria, kenaf, abaca, sisal, and coconut fiber bundles were investigated.
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An OsCEBiP/OsCERK1-OsRacGEF1-OsRac1 module is an essential early component of chitin-induced rice immunity.
Akira Akamatsu,Hann Lin Wong,Masayuki Fujiwara,Jun Okuda,Keita Nishide,Kazumi Uno,Keiko Imai,Kenji Umemura,Tsutomu Kawasaki,Yoji Kawano,Ko Shimamoto +10 more
TL;DR: The results suggest that OsCEBiP, OsCERK1, OsRACGEF1, and OsRac1 function as key components of a "defensome" critically engaged early during chitin-induced immunity.
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RACK1 Functions in Rice Innate Immunity by Interacting with the Rac1 Immune Complex
Ayako Nakashima,Letian Chen,Nguyen Phuong Thao,Masayuki Fujiwara,Hann Ling Wong,Masayoshi Kuwano,Kenji Umemura,Ken Shirasu,Tsutomu Kawasaki,Ko Shimamoto +9 more
TL;DR: RACK1A functions in rice innate immunity by interacting with multiple proteins in the Rac1 immune complex, and was shown to interact with the N terminus of NADPH oxidase, RAR1, and SGT1, key regulators of plant disease resistance.
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Cerebrosides A and C, Sphingolipid Elicitors of Hypersensitive Cell Death and Phytoalexin Accumulation in Rice Plants
Jinichiro Koga,Toyozo Yamauchi,Masaru Shimura,Noriko Ogawa,Kiyomi Oshima,Kenji Umemura,Minako Kikuchi,Nagahiro Ogasawara +7 more
TL;DR: This study is the first to show that sphingolipids have elicitor activity in plants, and results indicate that the methyl group at C-9 and the 4E-double bond in the sphingoid base moiety of cerebrosides A and C are the key elements determining the elicitoractivity of these compounds.