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Assistant Professor Ildoo Hwang

Department of Life Sciences
POSTECH Biotech Center
Pohang University of Science and Technology
Pohang 790-784, Korea
Tel: Tel: +82-54-279-2291
E-mail: ihwang@postech.ac.kr
http://www.postech.ac.kr/bk21/mls/en_dmls/e_faculty/e_facu_hid.html
Area of expertise: Intracellular signal transduction pathways; development of new tools for agricultural and environmental improvement
Co-editor until: October 31, 2011
   
Selected Publications:  
   
  • Hej¨˘tko J, Ryu H, Kim GT, Dobesov¨˘ R, Choi S, Choi SM, Soucek P, Hor¨˘k J, Pek¨˘rov¨˘ B, Palme K, Brzobohaty B, Hwang I (2009) The histidine kinases CYTOKININ-INDEPENDENT1 and ARABIDOPSIS HISTIDINE KINASE2 and 3 regulate vascular tissue development in Arabidopsis shoots. Plant Cell 21, 2008-2021.
  • Kim HJ, Oh SA, Brownfield L, Hong SH, Ryu H, Hwang I, Twell D, Nam HG (2008) Control of plant germline proliferation by SCF(FBL17) degradation of cell cycle inhibitors. Nature 455, 1134-1137.
  • Ryu H, Kim K, Hwang I (2008) Spatial redistribution of key transcriptional regulators in brassinosteroid signaling. Plant Signal. Behav. 3, 278-280.
  • Jeong DH, Lee S, Kim SL, Hwang I, An G (2007) Regulation of brassinosteroid responses by phytochrome B in rice. Plant Cell Environ. 30, 590-599.
  • Schaller GE, Doi K, Hwang I, Kieber JJ, Khurana JP, Kurata N, Mizuno T, Pareek A, Shiu SH, Wu P, Yip WK (2007) Nomenclature for two-component signaling elements of rice. Plant Physiol. 143, 555-557.
  • Ryu H, Kim K, Cho H, Park J, Choe S, Hwang I (2007) Nucleocytoplasmic shuttling of BZR1 mediated by phosphorylation is essential in Arabidopsis brassinosteroid signaling. Plant Cell 19, 2749-2762.
  • Lee KH, Piao HL, Kim HY, Choi SM, Jiang F, Hartung W, Hwang I, Kwak JM, Lee IJ, Hwang I (2006) Activation of glucosidase via stress-induced polymerization rapidly increases active pools of abscisic acid. Cell 126, 1109-1120.
  • Kim HJ, Ryu H, Hong SH, Woo HR, Lim PO, Lee IC, Sheen J, Nam HG, Hwang I (2006) Cytokinin-mediated control of leaf longevity by AHK3 through phosphorylation of ARR2 in Arabidopsis. Proc. Natl. Acad. Sci. USA 103, 814-819.
  • Ryu KH, Kang YH, Park YH, Hwang I, Schiefelbein J, Lee MM (2005) The WEREWOLF MYB protein directly regulates CAPRICE transcription during cell fate specification in the Arabidopsis root epidermis. Development 132, 4765-4775.
  • Hass C, Lohrmann J, Albrecht V, Sweere U, Hummel F, Yoo SD, Hwang I, Zhu T, Sch?fer E, Kudla J, Harter K (2004) The response regulator 2 mediates ethylene signalling and hormone signal integration in Arabidopsis. EMBO J. 23, 3290-3302.
  • Moore B, Zhou L, Rolland F, Hall Q, Cheng WH, Liu YX, Hwang I, Jones T, Sheen J (2003) Role of the Arabidopsis glucose sensor HXK1 in nutrient, light, and hormonal signaling. Science 300, 332-336.
  • Hwang I, Chen HC, Sheen J (2002) Two-component signal transduction pathways in Arabidopsis. Plant Physiol. 129, 500-515.
  • Hwang I Sheen J (2001) Two-component circuitry in Arabidopsis cytokinin signal transduction. Nature 413, 383-389.
  • Sze H, Liang F, Hwang I, Curran AC, Harper JF (2000) Diversity and regulation of plant Ca2+ pumps: insights from expression in yeast. Annu. Rev. Plant Physiol. Plant Mol. Biol. 51, 433-462.
  • Hwang I, Sze H, Harper JF (2000) A calcium-dependent protein kinase can inhibit a calmodulin-stimulated Ca2+ pump (ACA2) located in the endoplasmic reticulum of Arabidopsis. Proc. Natl. Acad. Sci. USA 97, 6224-6229.
  • Curran AC, Hwang I, Corbin J, Martinez S, Rayle D, Sze H, Harper JF (2000) Autoinhibition of a calmodulin-dependent calcium pump involves a structure in the stalk that connects the transmembrane domain to the ATPase catalytic domain. J. Biol. Chem. 275, 30301-30308.
  • Hwang I, Harper JF, Liang F, Sze H (2000) Calmodulin activation of an endoplasmic reticulum-located calcium pump involves an interaction with the N-terminal autoinhibitory domain. Plant Physiol. 122, 157-168.