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Hoon Kim, PhD

Hoon Kim, PhD
Research Chemist
Forest Products Laboratory
0000-0001-7425-7464

Treesearch Publications

Citations of Non-Forest Service Publications

  • F. Muro-Villanueva, L. D. Pysh, H. Kim, T. Bouse, J. Ralph, Z. Luo, B. R. Cooper, A. S. Jannasch, Z. Zhang, C. Gu, C. Chapple, Pinoresinol rescues developmental phenotypes of Arabidopsis phenylpropanoid mutants overexpressing FERULATE 5-HYDROXYLASE, Proceedings of the National Academies of Sciences, 2023, https://doi.org/10.1073/pnas.2216543120.
  • F. Cheng, S. Liu, S. D. Karlen, H. Kim, F. Lu, J. Ralph, L. M. V. Ramos, G. W. Huber and J. A. Dumesic, Poplar lignin structural changes during extraction in γ-valerolactone (GVL), Green Chemistry, 2023, 25, 336-347.
  • K. Witvrouw, H. Kim, R. Vanholme, G. Goeminne, J. Ralph, W. Boerjan, R. Vanholme, Reassessing the claimed cytokinin-substituting activity of dehydrodiconiferyl alcohol glucoside, Proceedings of the National Academies of Sciences, 2023, 120, e2123301120.
  • J. Hellinger, H. Kim, J. Ralph, and S. D. Karlen, p-Coumaroylation of lignin occurs outside of Commelinids monocots in the eudicot genus Morus (mulberry), Plant Physiology, 2023, 191, 854-861, https://doi.org/10.1093/plphys/kiac485
  • J. Ralph, H. Kim, F. Lu, R. A. Smith, S. D. Karlen, Nuoendagula, K. Yoshioka, A. Eugene, S. Liu, C. Sener, D. Ando, M.-j. Chen, Y. Li, L. L. Landucci, S. A. Ralph, V. I. Timokhin, W. Lan, J. Rencoret, J. C. del Río, in Recent Advances in Polyphenol Research, S. Quideau, J.-P. Salminen, K. Wähälä, V. de Freitas, Eds. (Wiley-Blackwell, Oxford, UK), 2023, vol. 8, chap. 1, pp. 1-50.
  • L. Hoengenaert, R. Vanholme, M. Wouters, H. Kim, B. De Meester, K. Morreel, S. Vandersyppe, J. Pollier, G. Goeminne, J. Ralph and W. Boerjan, Scopoletin is a natural lignin monomer in Arabidopsis, and its enhanced incorporation into lignin increases biomass processing efficiency, Sci. Adv., 2022, 8, eabo5738.
  • F. Muro-Villanueva, H. Kim, J. Ralph, C. Chapple, H-lignin can be deposited independently of CADC and CADD in Arabidopsis, Plant Physiology, 2022, 189, 2015-2028.
  • X. Huang, W. Wang, T. Gong, D. Wickell, L.-Y. Kuo, X. Zhang, J. Wen, H. Kim, F. Lu, H. Lu, W. Wu, C. Yu, S. Chen, W. Fan, S. Chen, X. Bao, L. Li, D. Zhang, L. Jiang, X. Yan, Z. Liao, G. Zhou, Y. Guo, J. Ralph, R. R. Sederoff, H. Wei, P. Zhu, F.-W. Li, R. Ming and Q. Li, The flying spider-monkey tree fern genome: Insights into fern evolution and arborescence, Nature Plants, 2022, 8, 500-512.
  • E. L. Mahon, L. de Vries, S.-K. Jang, S. Middar, H. Kim, F. Unda, J. Ralph and S. D. Mansfield, Exogenous chalcone synthase expression in developing poplar xylem incorporates naringenin into lignins, Plant Physiol., 2022, 188, 984-996, DOI: 2010.1093/plphys/kiab2499.
  • S. Hu, N. Kamimura, S. Sakamoto, S. Nagano, N. Takata, S. Liu, G. Goeminne, R. Vanholme, M. Uesugi, M. Yamamoto, S. Hishiyama, H. Kim, W. Boerjan, J. Ralph, E. Masai, N. Mitsuda, S. Kajita, Rerouting of the lignin biosynthetic pathway by inhibition of cytosolic shikimate recycling in transgenic hybrid aspen, The Plant Journal, 2022, doi: 10.1111/tpj.15674
  • J. Rencoret, M. J. Rosado, H. Kim, V. I. Timokhin, A. Gutieŕrez,1 F. Bausch, T. Rosenau, A. Potthast, J. Ralph and J. C. del Río, Flavonoids naringenin chalcone, naringenin, dihydrotricin, and tricin are lignin monomers in papyrus, Plant Physiology, 2022, DOI:10.1093/plphys/kiab469
  • J. C. del Río, J. Rencoret, A. Gutiérrez, H. Kim, J. Ralph, Unconventional Lignin Monomers – Extension of the Lignin Paradigm, In Advances in Botanical Research 2022, Vol. 104, Ch. 1, 1-39.
  • Y. Joo*, H. Kim*, M. Kang, G. Lee, S. Choung, H. Kaur, S. Oh, J. Choi, J. Ralph, I. T. Baldwin and S.-G. Kim, Lignifying the unlignified cell: Nicotiana attenuata’s defense against a stem-boring herbivore, New Phytologist, 2021, https://doi.org/10.1111/nph.17583 (*Co-first authors).
  • L. de Vries, A. Chanoca, M. Brouckaert, H. Kim, M. Regner, B. De Meester, J. Van Doorsselaere, G. Goeminne, J. Ralph, K. Morreel, R. Vanholme and W. Boerjan, CRISPR-Cas9 editing of CAFFEOYL SHIKIMATE ESTERASE 1 and 2 shows their importance and partial redundancy in lignification in Populus tremula x P. alba, Plant Biotechnology Journal, 2021, doi: 10.1111/pbi.13651.
  • S. Desmet, Y. Saeys, K. Verstaen, R. Dauwe, H. Kim, C. Niculaes, A. Fukushima, G. Goeminne, R. Vanholme, J. Ralph, W. Boerjan, K. Morreel, Maize specialized metabolome networks reveal organ-preferential mixed glycosides, Computational and Structural Biotechnology Journal, 2021, 19, 1127–1144.
  • X. Liu, R. Van Acker, W. Voorend, A. Pallidis, G. Goeminne, J. Pollier, K. Morreel, H. Kim, H. Muylle, M. Bosio, J. Ralph, R. Vanholme, W. Boerjan, Rewired phenolic metabolism and improved saccharification efficiency of a Zea mays cinnamyl alcohol dehydrogenase 2 (zmcad2) mutant, The Plant Journal, 2021, 105, 1240−1257.
  • J. C. del Río, J. Rencoret, A. Gutiérrez, W. Lan, H. Kim, J. Ralph, Lignin monomers derived from the flavonoid and hydroxystilbene biosynthetic pathways, in Recent Advances in Polyphenol Research, Volume 7, eds. J. Reed, V. de Freitas and S. Quideau, Wiley-Blackwell, 2021, Vol. 7, Ch. 7, pp. 177-206.
  • H. Kim, Q. Li, S. D. Karlen, R. A. Smith, R. Shi, J. Liu, C. Yang, S. Tunlaya-Anukit, J. P. Wang, H.-M. Chang, R. R. Sederoff, J. Ralph, V. L. Chiang, Monolignol Benzoates Incorporate into the Lignin of Transgenic Populus trichocarpa Depleted in C3H and C4H, ACS Suatainable Chemistry & Engineering, 2020, 8, 3644−3654.
  • Y. Li, S. D. Karlen, B. Demir, H. Kim, J. Luterbacher, J. A. Dumesic, S. S. Stahl, J. Ralph, Mechanistic Study of Diaryl Ether Bond Cleavage during Palladium-Catalyzed Lignin Hydrogenolysis, ChemSusChem, 2020, 13, 1-9.
  • M. Yamamoto, H. Tomiyama, A. Koyama, H. Okuizumi, S. Liu, R. Vanholme, G. Goeminne, Y. Hirai, H. Shi, Nuoendagula, N. Takata, T. Ikeda, M. Uesugi, H. Kim, S. Sakamoto, N. Mitsuda, W. Boerjan, J. Ralph, S. Kajita, A century-old mystery unveiled: Sekizaisou is a natural lignin mutant. Plant Physiology, 2020, 182, 1821-1828.
  • M. Abbas, I. Peszlen, R. Shi, H. Kim, R. Katahira, K. Kafle, Z. Xiang, X. Huang, D. Min, M. Mohamadamin, Y. Nishimura, C. Yang, X. Dai, X. Yan, S. Park, Y. Li, S. H. Kim, M. Davis, J. Ralph, R. R. Sederoff, V. L. Chiang, Q. Li, Involvement of PtrCesA4, PtrCesA7-A/B and PtrCesA8-A/B in secondary wall formation in Populus trichocarpa wood. Tree Physiology, 2020, doi:10.1093/treephys/tpz020
  • R. Vanholme, L. Sundin, K. C. Seetso, H. Kim, X.. Liu, J Li, B. De Meester, L. Hoengenaert, G. Goeminne, K. Morreel, J. Haustraete, H.-H. Tsai, W. Schmidt, B. Vanholme, J. Ralph, W. Boerjan, COSY catalyses trans–cis isomerization and lactonization in the biosynthesis of coumarins. Nature plants, 2019, 5, 1066-1075.
  • J. Rencoret, D. Neiva, G. Marques, A. Gutiérrez, H. Kim, J. Gominho, H. Pereira, J. Ralph, J. C. del Río, Hydroxystilbene glucosides are incorporated into Picea abies bark lignin. Plant Physiol. 2019, 180, 1310-1321.
  • J. Grabber, C. Davidson, Y. Tobimatsu, H. Kim, F. Lu, Y. Zhu, M. Opietnik, N. Santoro, C. Foster, F. Yue, D. Ress, X. Pan, J. Ralph, Structural features of alternative lignin monomers associated with improved digestibility of artificially lignified maize cell walls. Plant Sci, 2019, 287, 110070.
  • X. Yan*, J. Liu*, H. Kim*, B. Liu, X. Huang, Z. Yang, Y. C. Lin, H. Chen, C. Yang, J. Wang, D. Muddiman, J. Ralph, R. Sederoff, Q. Li, V. Chiang, CAD1 and CCR2 Protein complex formation in monolignol biosynthesis in Populus trichocarpa, New Phytologist 2019, 222, 244-260 (*Co-first authors).
  • Y. Li, L. Shuai, H. Kim, A. H. Motagamwala, J. K. Mobley, F. Yue, Y. Tobimatsu, D. Havkin-Frenkel, F. Chen, R. A. Dixon, J. S. Luterbacher, J. A. Dumesic, J. Ralph, An “ideal lignin” facilitates full biomass utilization, Science Advances 2018, 4, DOI: 10.1126/sciadv.aau2968
  • J. P. Wang, M. L. Matthews, C. M. Williams, R. Shi, C. Yang, S. Tunlaya-Anukit, H.-C. Chen, Q. Li, J. Liu, C.-Y Lin, P. Naik, Y.-H. Sun, P. L. Loziuk, T.-F. Yeh, H. Kim, E. Gjersing, T. Shollenberger, C. M. Shuford, J. Song, Z. Miller, Y.-Y. Huang, C. W. Edmunds, B. Liu, Y. Sun, Y.-C. Jimmy Lin, W. Li, H. Chen, I. Peszlen, J. J. Ducost, J. Ralph, H.-M. Chang, D. C. Muddiman, M. F. Davis, C. Smith, F. Isik, R. Sederoff & V. L. Chiang, Improving wood properties for wood utilization through multi-omics integration in lignin biosynthesis, Nature Communications 2018, 9, 1579.
  • R. Gao, Y. Li, H. Kim, J. K. Mobley, J. Ralph, Selective Oxidation of Lignin Model Compounds, ChemSusChem 2018, 11, 2045-2050.
  • J. C. del Río, J. Rencoret, A. Gutiérrez, H. Kim, J. Ralph, Structural Characterization of Lignin from Maize (Zea mays L.) Fibers: Evidence for Diferuloylputrescine Incorporated into the Lignin Polymer in Maize Kernels, JAFC (Journal of Agricultural and Food Chemistry) 2018, 66, 4402-4413.
  • J. Dou, H. Kim, Y. Li, D. Padmakshan, F. Yue, J. Ralph, T. Vuorinen, Structural Characterization of Lignins from Willow Bark and Wood, JAFC (Journal of Agricultural and Food Chemistry) 2018, 66, 7294-7300.
  • J. Rencoret, H. Kim, A. B. Evaristo, A. Gutiérrez, J. Ralph, J. C. del Río, Variability in lignin composition and structure in cell walls of different parts of macaúba (Acrocomia aculeata) palm fruit, JAFC (Journal of Agricultural and Food Chemistry) 2018, 66, 138-153.
  • D. Gall, W. S. Kontur, W. Lan, H. Kim, Y. Li, J. Ralph, T. J. Donohue, D. R. Noguera, In vitro enzymatic depolymerization of lignin with release of syringyl, guaiacyl, and tricin units, Applied and Environmental Microbiology 2018, 84, 1-17. e02076-17.
  • R. D. Hatfield, H. Jung, J. M. Marita, H. Kim, Cell wall characteristics of a maize mutant selected for decreased ferulates, AJPS (American Journal of Plant Sciences) 2018, 9, 446-466.
  • H. Kim, D. Padmakshan, Y. Li, R. D. Hatfield, J. Ralph, Characterization and elimination of undesirable protein residues in plant cell wall materials for enhancing lignin analysis by solution-state nuclear magnetic resonance spectroscopy, Biomacromolecules 2017, 18, 4184-4195.
  • S. D. Karlen, R. A. Smith, H. Kim, D. Padmakshan, A. Bartuce, J. K. Mobley, H. C. A. Free, B. G. Smith, J. Harris, J. Ralph, Highly decorated lignins in leaf tissues of the Canary Island date palm Phoenix canariensis, Plant Physiology 2017, 175, 1058-1067.
  • R. Van Acker, A. Déjardin, S. Desmet, L. Hoengenaert, R. Vanholme, K. Morreel, F. Laurans, H. Kim, N. Santoro, C. Foster, G. Goeminne, F. Légée, C. Lapierre, G. Pilate, J. Ralph, W. Boerjan, Different metabolic routes for coniferaldehyde and sinapaldehyde with CINNAMYL ALCOHOL DEHYDROGENASE1 deficiency, Plant Physiology 2017, 175, 1018-1039.
  • M. de L. Soriano Saleme, I. Cesarino, L. Vargas, H. Kim, R. Vanholme, G. Goeminne, R. Van Acker, F. C. de Assis Fonseca, A. Pallidis, W. Voorend, J. Nicomedes Junior, D. Padmakshan, J. Van Doorsseleare, J. Ralph, W. Boerjan, Silencing CAFFEOYL SHIKIMATE ESTERASE affects lignification and improves saccharification, Plant Physiology 2017, 175, 1040-1057.
  • J. C. del Río, J. Rencoret, A. Gutiérrez, H. Kim, J. Ralph, Hydroxystilbenes are monomers in palm fruit endocarp lignins, Plant Physiology 2017, 174, 2072–2082.
  • S. Y. Jun, A. M. Walker, H. Kim, J. Ralph, W. Vermerris, S. E. Sattler, C. H. Kang, The Enzyme Activity and Substrate Specificity of Two Major Cinnamyl Alcohol Dehydrogenases in Sorghum (Sorghum bicolor), SbCAD2 and SbCAD4, Plant Physiology 2017, 174, 2128–2145.
  • A. M. Johnson, H. Kim, J. Ralph, S. D. Mansfield, Natural acetylation impacts
carbohydrate recovery during deconstruction of Populus trichocarpa wood, Biotechnol Biofuels 2017, 10:48, DOI 10.1186/s13068-017-0734-z
  • F. Unda, H. Kim, C. Hefer, J. Ralph, S. D. Mansfield, Altering carbon allocation in hybrid poplar (Populus alba 3 grandidentata) impacts cell wall growth and development, Plant Biotechnology Journal 2017, 15, 865–878.
  • L. Shuai, M. T. Amiri, Y. M. Questell-Santiago, F. Héroguel, Y. Li, H. Kim, R. Meilan, C. Chapple, J. Ralph, J. S. Luterbacher, Formaldehyde stabilization facilitates lignin monomer production during biomass depolymerization, Science 2016, 354, 329-333.
  • Y. Cai, K. Zhang, H. Kim, G. Hou, X. Zhang, H. Yang, H. Feng, L. Miller, J. Ralph, C.-J. Liu, Enhancing digestibility and ethanol yield of Populus wood via expression of an engineered monolignol 4-O-methyltransferase, Nature Communications 2016, 7:11989. doi: 10.1038/ncomms11989.
  • C. M. Ha, L. Escamilla-Trevino, J. C. Serrani Yarce, H. Kim, J. Ralph, F. Chen, R. A. Dixon, An essential role of caffeoyl shikimate esterase in monolignol biosynthesis in Medicago truncatula, The Plant Journal 2016, 86, 363–375.
  • C. G. Yoo, H. Kim, F. Lu, A. Azarpira, X. Pan, K. K. Oh, J. S. Kim, J. Ralph, R. D. Cayetano, T. H. Kim, Understanding the physicochemical characteristics and the improved enzymatic saccharification of corn stover pretreated with aqueous and gaseous ammonia. Bioenergy Research 2016, 9, 67-76.
  • O. Dima, K. Morreel, B. Vanholme, H. Kim, J. Ralph, W. Boerjan, Small glycosylated lignin polymers are stored in Arabidopsis leaf vacuoles, The Plant Cell 2015, 27, 695-710.
  • L. Sundin, R. Vanholme, J. Geerinck, G. Goeminne, R. Höfer, H. Kim, J. Ralph, W. Boerjan, Mutation of the inducible ARABIDOPSIS THALIANA CYTOCHROME P450 REDUCTASE2 alters lignin composition and improves saccharification, Plant Physiology 2014, 166, 1956-1971.
  • C. Niculaes, K. Morreel, H. Kim, F. Lu, L. McKee, B. Ivens, J. Haustraete, B. Vanholme, M. Hertzberg, J. Fromm, V. Bulone, A. Polle, J. Ralph, W. Boerjan, Phenylcoumaran benzylic ether reductase prevents accumulation of compounds formed under oxidative conditions in Poplar xylem, The plant cell 2014, 26, 3775-3791.
  • H. Kim and J. Ralph, A gel-state 2D-NMR method for plant cell wall profiling and analysis: a model study with the amorphous cellulose and xylan from ball-milled cotton linters, RSC Advances 2014, 4, 7549-7560.
  • D. L. Gall, H. Kim, F. Lu, T. J. Donohue, D. R. Noguera and J. Ralph. Stereochemical features of glutathione-dependent enzymes in the Sphingobium sp. Strain SYK-6 β-aryl etherase pathway. Journal of Biological Chemistry 2014, 289, 8656-8667.
  • R. Vanholme, I. Cesarino, K. Rataj, Y. Xiao, L. Sundin, G. Goeminne, H. Kim, J. Cross, K. Morreel, P. Araujo, L. Welsh, J. Haustraete, C. McClellan, B. Vanholme, J. Ralph, G. G. Simpson, C. Halpin, W. Boerjan, Caffeoyl Shikimate Esterase (CSE) is an Enzyme in the Lignin Biosynthetic Pathway, Science 2013, 341, 1103-1106. (Article featured on the journal cover; Sep. 06, 2013 issue)
  • Y. Zhu, M. Regner, F. Lu, H. Kim, A. Mohammadi, T. J. Pearson and J. Ralph. Preparation of monolignol γ-acetate, γ-p-hydroxycinnamate, and γ-p-hydroxybenzoate conjugates: Selective deacylation of phenolic acetates with hydrazine acetate. RSC Advances 2013, 3, 21964-21971.
  • Q. Zhao, Y. Tobimatsu, R. Zhou, S. Pattathil, L. Gallego-Giraldo, C. Fu, L. A. Jackson, M. G. Hahn, H. Kim, F. Chen, J. Ralph, and R. A. Dixon, Loss of function of cinnamyl alcohol dehydrogenase 1 leads to unconventional lignin and a temperature-sensitive growth defect in Medicago truncatula, PNAS (Proceedings of the National Academy of Sciences of the United States of America) 2013, 110, 13660-13665.
  • S. Lu, Q. Li, H. Wei, M.-J. Chang, S. Tunlaya-Anukit, H. Kim, J. Liu, J. Song, Y.-H. Sun, L. Yuan, T.-F. Yeh, I. Peszlen, J. Ralph, R. R. Sederoff, V. L. Chiang, Ptr-miR397a is a negative regulator of laccase genes affecting lignin content in Populus trichocarpa. PNAS (Proceedings of the National Academy of Sciences of the United States of America) 2013, 110, 10848-10853.
  • R. A. Chylla, R. Van Acker, H. Kim, A. Azarpira, P. Mukerjee, J. L. Markley, V. Storme, W. Boerjan, J. Ralph, Plant cell wall profiling by fast maximum likelihood reconstruction (FMLR) and region-of-interest (ROI) segmentation of solution-state 2D 1H–13C NMR spectra. Biotechnology for Biofuels 2013, 6, 45.
  • A. Rahimi, A. Azarpira, H. Kim, J. Ralph, and S. S. Stahl, Chemoselective Metal-Free Aerobic Alcohol Oxidation in Lignin. JACS (Journal of the American Chemical Society) 2013, 135, 6415-6418.
  • B. Vanholme, I. Cesarino, G. Goeminne, H. Kim, F. Maroni, R. Van Acker, R. Vanholme, K. Morreel, B. Ivens, S. Pinosio, M. Morgante, J. Ralph, C. Bastien, W. Boerjan, Breeding with rare defective alleles: A natural Populus nigra HCT mutant with modified lignin as a case study. New Phytologist 2013, 198, 765-776.
  • S. Withers, F. Lu, H. Kim, Y. Zhu, J. Ralph, C. G. Wilkerson, Identification of grass-specific enzyme that acylates monolignols with p-coumarate. Journal of Biological Chemistry 2012, 287, 8347-8355.
  • K. Zhang, M.-W. Bhuiya, J. Rencoret Pazo, Y. Miao, H. Kim, J. Ralph, C.-J. Liu, An engineered monolignol 4-O-methyltransferase depresses lignin biosynthesis and confers novel metabolic capability in Arabidopsis. Plant Cell 2012, 24, 3122-3139.
  • S. D. Mansfield, H. Kim, F. Lu, J. Ralph, Whole plant cell wall characterization using solution-state 2D-NMR. Nature Protocols 2012, 7, 1579-1589.
  • J. K. Jensen, H. Kim, J.-C. Cocuron, R. Orler, J. Ralph, C. G. Wilkerson, A DUF579 domain containing proteins IRX15 and IRX15-like affect xylan synthesis in Arabidopsis. The Plant Journal 2011, 66, 387-400.
  • J. Rencoret, A. Gutiérrez, L. Nieto, J. J.-Barbero, C. B. Faulds, H. Kim, J. Ralph, Á. T. Martínez, J. C. del Río, Lignin composition and structure in young versus adult Eucalyptus globulus plants. Plant Physiology 2011, 155, 667-682
  • K. Morreel, H. Kim, F. Lu, O. Dima, T. Akiyama, R. Vanholme, C. Niculaes, G. Goeminne, D. Inzé, E. Messens, J. Ralph, W. Boerjan, Mass-spectrometry-based fragmentation as an identification tool in lignomics. Analytical Chemistry 2010, 82, 8095-8105.
  • H. Kim, J. Ralph, Solution-state 2D NMR of ball-milled plant cell wall gels in DMSO-d6/pyridine-d5. Organic & Biomolecular Chemistry 2010, 8, 576-591.
  • J. H Grabber, P. F Schatz, H. Kim, F. Lu, J. Ralph, Identifying new lignin bioengineering targets: 1. Monolignol-substitute impacts on lignin formation and cell wall fermentability. BMC Plant Biology 2010, 10, 114
  • K. Morreel, O. Dima, H. Kim, F. Lu, C. Niculaes, R. Vanholme, R. Dauwe, G. Goeminne, D. Inze, E. Messens, J. Ralph, W. Boerjan, Mass Spectrometry-Based Sequencing of Lignin Oligomers. Plant Physiology 2010, 153, 1464–1478
  • R. Vanholme, J. Ralph, T. Akiyama, F. Lu, J. R. Pazo, H. Kim, J. H. Christensen, Brecht Van Reusel, Véronique Storme, Riet De Rycke, Antje Rohde, Kris Morreel, Wout Boerjan, Engineering traditional monolignols out of lignin by concomitant up-regulation of F5H1 and down-regulation of COMT in Arabidopsis. The Plant Journal 2010, 64, 885–897
  • A. Wagner, L. Donaldson, H. Kim, L. Phillips, H. Flint, D. Steward, K. Torr, G. Koch, U. Schmitt, J. Ralph, Suppression of 4-Coumarate-CoA Ligase in the Coniferous Gymnosperm Pinus radiata. Plant Physiology 2009, 149, 370–383
  • R. D. Hatfield, J. M. Marita, K. Frost, J. H Grabber, J. Ralph, F. Lu, H. Kim, Grass lignin acylation: p-coumaroyl transferase activity and cell wall characteristics of C3 and C4 grasses. Planta 2009, 229, 1253-1267
  • J. H Grabber, D. R Mertens, H. Kim, C. Funk, F. Lu, J. Ralph, Cell wall fermentation kinetics are impacted more by lignin content and ferulate cross-linking than by lignin composition. J. Sci. Food Agric. 2009, 89,122-129.
  • J. Ralph, P. Schatz, F. Lu, H. Kim, T. Akiyama, S. Nelsen, In Quinone Methides, Rokita, S., Ed., Wiley-Blackwell: Hoboken, NJ, 2009, Vol. 1, pp. 385-420.
  • M. Bunzel, B. Heuermann, H. Kim, J. Ralph, Peroxidase-Catalyzed Oligomerization of Ferulic Acid Esters, J. Agric. Food Chem. 2008, 56, 10368-10375.
  • H. Kim, J. Ralph, T. Akiyama, Solution-state 2D NMR of ball-milled plant cell wall gels in DMSO-d6. BioEnergy Research 2008, 1, 56-66.
  • J. Ralph, H. Kim, F. Lu, J. H. Grabber, J.-C. Leplé, J. Berrio-Sierra, M. M. Derikvand, L. Jouanin, W. Boerjan, C. Lapierre, Identification of the structure and origin of a thioacidolysis marker compound for ferulic acid incorporation into angiosperm lignins (and a pseudo-marker compound for cinnamoyl-CoA reductase deficiency). The Plant Journal 2008, 53, 368-379.
  • M. Bunzel, J. Ralph, Carola Funk, H. Kim, Birgit Heuermann, H. Steinhart, Ferulate oligomers: Occurrence in model systems and cereal grains. In Proceedings of the 230th Amer. Chem. Soc. Symposium on Grain-based products: health, flavor and safety aspects, Amer. Chem. Soc., Washington, DC, 2008.
  • J.-C. Leplé, R. Dauwe, K. Morreel, V. Storme, C. Lapierre, B. Pollet, A. Naumann, K.-Y. Kang, H. Kim, K. Ruel, A. Lefèbvre, J.-P. Joseleau, J, Grima-Pettenati, R. De Rycke, S. Andersson-Gunnerås, A. Erban, I. Fehrle, M. Petit-Conil, J. Kopka, A. Polle, E. Messens, B. Sundberg, S. D. Mansfield, J. Ralph, G. Pilate, W. Boerjan, Down regulation of cinnamoyl coenzyme A reductase in poplar, multiple level phenotyping reveals effects on cell wall polymer metabolism and structure. The Plant Cell 2007, 19, 3669-3691.
  • J. Ralph, T. Akiyama, H. Kim, F. Lu, P. F. Schatz, J. M. Marita, S. A. Ralph, Effects of Coumarate 3-Hydroxylase Down-regulation on Lignin Structure. J. Biol. Chem. 2006, 281, 8843-8853.
  • H. Kim, J. Ralph, Simplified preparation of coniferyl and sinapyl alcohols. J. Agric. Food Chem. 2005, 53, 3693-3695.
  • J. Ralph, M. Bunzel, J. M. Marita, R. D. Hatfield, F. Lu, H. Kim, P. F. Schatz, J. Grabber, H. Steinhart, Peroxidase-dependent cross-linking reactions of p-hydroxycinnamates in plants cell walls. Phytochem. Reviews 2004, 3(1), 79-96.
  • C. Lapierre, G. Pilate, B. Pollet, I. Mila, J.-C. Leplé, L. Jouanin, H. Kim, J. Ralph. Signature of cinnamyl alcohol dehydrogenase deficiency in poplar lignins. Phytochemistry 2004, 65, 313-321.
  • H. Kim, J. Ralph, F. Lu, G. Pilate, J.-C. Leplé, B. Pollet, C. Lapierre, Identification of the structure and origin of thioacidolysis marker compounds for cinnamyl alcohol dehydrogenase deficiency in angiosperms. J. Biol. Chem. 2002, 277, 47412-47419.
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