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Yusuke Jikumaru
Researcher at Teikyo University
Publications - 77
Citations - 7966
Yusuke Jikumaru is an academic researcher from Teikyo University. The author has contributed to research in topics: Arabidopsis & Abscisic acid. The author has an hindex of 41, co-authored 77 publications receiving 6760 citations. Previous affiliations of Yusuke Jikumaru include Agilent Technologies & Ohio Agricultural Research and Development Center.
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Journal ArticleDOI
Global Analysis of DELLA Direct Targets in Early Gibberellin Signaling in Arabidopsis
Rodolfo Zentella,Zhong-Lin Zhang,Mehea Park,Stephen G. Thomas,Akira Endo,Kohji Murase,Christine M. Fleet,Yusuke Jikumaru,Eiji Nambara,Yuji Kamiya,Tai-ping Sun +10 more
TL;DR: This study reveals that DELLA proteins play two important roles in GA signaling: (1) they help establish GA homeostasis by direct feedback regulation on the expression of GA biosynthetic and GA receptor genes, and (2) they promote theexpression of downstream negative components that are putative transcription factors/regulators or ubiquitin E2/E3 enzymes.
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Autophagy negatively regulates cell death by controlling NPR1-dependent salicylic acid signaling during senescence and the innate immune response in Arabidopsis.
Kohki Yoshimoto,Yusuke Jikumaru,Yuji Kamiya,Miyako Kusano,Chiara Consonni,Ralph Panstruga,Yoshinori Ohsumi,Ken Shirasu +7 more
TL;DR: A conserved requirement for salicylic acid (SA) signaling for senescence and immunity-related programmed cell death phenomena in autophagy-defective mutants (atg mutants) is demonstrated and it is shown that autophagic is induced by the SA agonist.
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Antagonistic Interaction between Systemic Acquired Resistance and the Abscisic Acid–Mediated Abiotic Stress Response in Arabidopsis
Michiko Yasuda,Atsushi Ishikawa,Yusuke Jikumaru,Motoaki Seki,Taishi Umezawa,Tadao Asami,Akiko Maruyama-Nakashita,Toshiaki Kudo,Kazuo Shinozaki,Shigeo Yoshida,Hideo Nakashita +10 more
TL;DR: Treatment with abscisic acid (ABA) suppresses the induction of SAR in Arabidopsis by inhibiting the pathway both upstream and downstream of SA, independently of the jasmonic acid/ethylene-mediated signaling pathway.
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The Gibberellic Acid Signaling Repressor RGL2 Inhibits Arabidopsis Seed Germination by Stimulating Abscisic Acid Synthesis and ABI5 Activity
Urszula Piskurewicz,Yusuke Jikumaru,Natsuko Kinoshita,Eiji Nambara,Yuji Kamiya,Luis Lopez-Molina +5 more
TL;DR: Data support the notion that ABI5 acts as the final common repressor of germination in response to changes in ABA and GA levels, and could be recapitulated by the addition of a SnRK2 protein kinase to the A BI5 overexpression line.
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High Temperature-Induced Abscisic Acid Biosynthesis and Its Role in the Inhibition of Gibberellin Action in Arabidopsis Seeds
Shigeo Toh,Akane Imamura,Asuka Watanabe,Kazumi Nakabayashi,Masanori Okamoto,Yusuke Jikumaru,Atsushi Hanada,Yukie Aso,Kanako Ishiyama,Noriko Tamura,Noriko Tamura,Satoshi Iuchi,Masatomo Kobayashi,Shinjiro Yamaguchi,Yuji Kamiya,Eiji Nambara,Naoto Kawakami +16 more
TL;DR: In this paper, the authors show that ABA levels in imbibed seeds are elevated at high temperature and that this increase is correlated with up-regulation of the zeaxanthin epoxidase gene ABA1/ZEP and three 9-cis-epoxycarotenoid dioxygenase genes, NCED2,NCED5, and NCED9.