H
Hoo Sun Chung
Researcher at Michigan State University
Publications - 18
Citations - 2885
Hoo Sun Chung is an academic researcher from Michigan State University. The author has contributed to research in topics: Jasmonate & Arabidopsis. The author has an hindex of 14, co-authored 16 publications receiving 2480 citations. Previous affiliations of Hoo Sun Chung include Yonsei University & Harvard University.
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Journal ArticleDOI
Regulation and Function of Arabidopsis JASMONATE ZIM-Domain Genes in Response to Wounding and Herbivory
Hoo Sun Chung,Abraham J.K. Koo,Xiaoli Gao,Sastry S. Jayanty,Bryan Thines,A. Daniel Jones,Gregg A. Howe +6 more
TL;DR: A role for JAZ proteins in the regulation of plant anti-insect defense is established, and the hypothesis that JA-Ile and perhaps other JA derivatives activate COI1-dependent wound responses in Arabidopsis is supported.
Journal ArticleDOI
Discovery of nitrate–CPK–NLP signalling in central nutrient–growth networks
Kun-Hsiang Liu,Kun-Hsiang Liu,Yajie Niu,Mineko Konishi,Yue Wu,Hao Du,Hoo Sun Chung,Lei Li,Marie Boudsocq,Marie Boudsocq,Matthew McCormack,Shugo Maekawa,Tetsuya Ishida,Chao Zhang,Kevan M. Shokat,Shuichi Yanagisawa,Jen Sheen +16 more
TL;DR: This work reports unique Ca2+ signalling triggered by nitrate with live imaging of an ultrasensitive biosensor in Arabidopsis leaves and roots, which impair nitrate-stimulated system-wide shoot growth and root establishment.
Journal ArticleDOI
A Critical Role for the TIFY Motif in Repression of Jasmonate Signaling by a Stabilized Splice Variant of the JASMONATE ZIM-Domain Protein JAZ10 in Arabidopsis
Hoo Sun Chung,Gregg A. Howe +1 more
TL;DR: It is shown that the conserved TIFY motif (TIFF/YXG) within the ZIM domain mediates homo- and heteromeric interactions between most Arabidopsis thaliana JAZs and suggests that the dominant-negative action of this splice variant involves protein–protein interaction through the Zim/TIFY domain.
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A critical role of two positively charged amino acids in the Jas motif of Arabidopsis JAZ proteins in mediating coronatine- and jasmonoyl isoleucine-dependent interactions with the COI1 F-box protein.
Maeli Melotto,Christy Mecey,Yajie Niu,Hoo Sun Chung,Leron Katsir,Jian Yao,Weiqing Zeng,Bryan Thines,Paul E. Staswick,John Browse,Gregg A. Howe,Sheng Yang He +11 more
TL;DR: It is shown that coronatine, but not its two biosynthetic precursors, also promotes interaction between Arabidopsis COI1 and multiple JAZ proteins, and the critical role of positively charged amino acids in the Jas domain in mediating the JA-Ile/coronatine-dependent JAZ interaction with COI 1 is illustrated.
Journal ArticleDOI
Jasmonate signaling: a conserved mechanism of hormone sensing.
TL;DR: These findings, together with homology between COI1 and the auxin receptor, TIR1, extend the paradigm of F-box proteins as intracellular sensors of small molecules, and suggest a common evolutionary origin of the Auxin and JA response pathways.