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  1. Naoumkina, M. and Dixon, R.A. (2008) Subcellular localization of flavonoid natural products- a signaling function? Plant Signaling and Behavior, in press.
  2. Naoumkina, M., Vaghchhipawala, S., Tang, Y., Ben, Y., Powell, R.J. and Dixon, R.A. (2008) Metabolic and genetic perturbations accompany the modification of galactomannan in seeds of Medicago truncatula expressing mannan synthase from guar (Cyamopsis tetragonoloba L.) Plant Biotechnology Journal, in press.
  3. Ralph, J., Brunow, G., Harris, P., Dixon, R.A. and Boerjan, W. (2008). Lignification: are lignins biosynthesized via simple combinatorial chemistry or via proteinaceous control and template replication? Recent Advances in Polyphenols Research, 1, in press.
  4. Modolo, L.V., Pang, Y., Tian, L. and Dixon, R.A. (2008). Gene discovery and metabolic engineering in the phenylpropanoid pathway. Recent Advances in Polyphenols Research, 1, in press.
  5.  Modolo, L.V., Reichert, A.I., and Dixon, R.A. (2008) Introduction to the different classes of biosynthetic enzymes. In Plant-Derived Natural Products, Synthesis, Function and Application. eds. Osbourn, A and Lanzotti, V., Springer, solicited review, in press.
  6. Nakashima, J., Chen, F., Jackson, L., Shadle, G., and Dixon, R.A. (2008). Multi-site genetic modification of monolignol biosynthesis in alfalfa (Medicago sativa L.) - effects on lignin composition in specific cell types. New Phytologist 179, 738-750.
  7. Farag, M.A., Huhman, D.V., Dixon, R.A. and Sumner, L.W. (2008). Metabolomics reveals novel pathways and differential mechanistic and elicitor-specific responses in phenylpropanoid and isoflavonoid biosynthesis in Medicago truncatula cell cultures. Plant Physiology 146, 387-402.
  8. He, X.-Z., Li, W.-S., Blount, J.W. and Dixon, R.A. (2008). Regioselective synthesis of plant flavonoid glycosides in E.coli. Applied Microbiology and Biotechnology 80, 253-260.
  9. Dixon, R.A. (2007) Tom Mabry: Over 45 Years of Phytochemistry, Texas-Style. Natural Product Communications 2(10), preface.
  10. Tian, L., Pang, Y. and Dixon, R.A. (2007). Biosynthesis and genetic engineering of proanthocyanidins and (iso)flavonoids. Phytochemistry Reviews, in press. 
  11. Naoumkina, M., Torres-Jerez, I., Allen, S., He, J., Zhao, P. Dixon, R.A. and May, G.D. (2007) Analysis of cDNA libraries from developing seeds of guar (Cyamopsis tetragonoloba (L.) Taub). BMC Plant Biology 7, 62 (online).
  12. Yongzhen Pang, Gregory J. Peel, Elane Wright, Zengyu Wang, and Richard A. Dixon. (2007) Early steps in Proanthocyanidin Biosynthesis in the model legume Medicago truncatula. Plant Physiology 145, 601-615.
  13. Marina Naoumkina, Mohamed A. Farag, Lloyd W. Sumner, Yuhong Tang, Chang-Jun Liu, and Richard A. Dixon. (2007) Different mechanisms for phytoalexin induction by pathogen and wound signals in Medicago truncatula. Proceedings of the National Academy of Sciences USA 104, 17909-17915.
  14. Marais, J.P.J., Deavours, B.E., Dixon, R.A. and Ferreira, D. (2007) The stereochemistry of flavonoids. In The Science of Flavonoids, ed E. Grotewold, Springer, in press.
  15. Li Tian, Dean DellaPenna, and Richard A. Dixon (2007) The pds2 mutation is a lesion in the Arabidopsis homogentisate solanesyltransferase gene involved in plastoquinone biosynthesis. Planta 226, 1067-1073.
  16. Peel, G.J. and Dixon, R.A. (2007) Detection and quantification of engineered proanthocyanidins in transgenic plants. Natural Product Communications 2, 1009-1014.
  17. Dixon, R.A., Bouton, J.H., Narasimhamoorthy, B., Saha, M., Wang, Z.-Y., and May, G.D. (2007). Beyond structural genomics for plant science. Advances in Agronomy 95, 77-161.
  18. Shrestha, R., Kim, S-C. Dyer, J.M., Dixon, R.A. and Chapman, K.D. (2007). Plant fatty acid (ethanol) amide hydrolases. Biochimica et Biophysica Acta- Molecular and Cellular Biology of Lipids, in press.
  19. Gail Shadle, Fang Chen, M.S.Srinivasa Reddy, Lisa Jackson, Jin Nakashima, Richard A. Dixon. (2007). Down-regulation of hydroxycinnamoyl CoA:Shikimate hydroxycinnamoyl transferase in transgenic alfalfa affects lignification, development and forage quality. Phytochemistry 68, 1521-1529.
  20. Shao, H., Dixon, R.A. and Wang, X. (2007) Crystal structure of vestitone reductase from alfalfa (Medicago sativa L.). Journal of Molecular Biology 369, 265-276. 
  21. Modolo, L., Blount, J.W., Achnine, L., Naoumkina, M., Wang, X. and Dixon, R.A. (2007) A functional genomics approach to (iso)flavonoid glycosylation in the model legume Medicago truncatula. Plant Mol. Biol. 64, 499-518.
  22. Li, L., Modolo, L.V., Escamilla-Trevino, L.L., Achnine, L., Dixon, R.A. and Wang, X. (2007) Crystal structure of Medicago truncatula UGT85H2 - insights into the structural basis of a multifunctional (iso)flavonoid glycosyltransferase. Journal of Molecular Biology 370 (5), 951-963.
  23. Chen, F., and Dixon, R.A. (2007) Lignin modification improves fermentable sugar yields for biofuel production. Nature Biotechnology 25, 759-761. 
  24. Tian, L., Blount, J.W., and Dixon, R.A. (2006) Phenylpropanoid glycosyltransferases from osage orange (Maclura Pomifera) fruit. FEBS Lett. 580, 6915-6920.
  25. Liu, C.-J., Deavours, B.E., Richard, S.B., Ferrer, J.-L., Blount, J.W., Huhman, D., Dixon, R.A. and Noel, J.P. (2006). Structural basis for dual functionality of isoflavonoid O-methyltransferases in the evolution of plant defense responses. Plant Cell 18, 3656-3669.
  26. Deavours, B.E., Liu, C.-J., Naoumkina, M.A., Tang, Y., Farag, M.A., Sumner, L.W., Noel, J.P. and Dixon, R.A. (2006). Functional analysis of members of the isoflavone and isoflavanone O-methyltransferase enzyme families from the model legume Medicago truncatula. Plant Molecular Biology 62,715-733.
  27. He, X., Wang, X. and Dixon, R.A. (2006) Mutational analysis of the Medicago glycosyltransferase UGT71G1 reveals residues that control regio-selectivity for (iso)flavonoid glycosylation. Journal of Biological Chemistry 281, 34441-34447.
  28. Dixon, R.A., Gang, D.R., Charlton, A.J., Fiehn, O., Kuiper, H.A., Reynolds, T.L., Tjeerdema, R.S., Jeffrey, E.H., Germanb, J.B., Ridley, W.P. and Seiber, J.N. (2006). Perspective-Applications of metabolomics in agriculture. Journal of Agricultural and Food Chemistry 54, 8984-8994.
  29. Chen, F., Reddy, M.S.S., Temple, S., Jackson, L., Shadle, G. and Dixon, R.A. (2006) Multi-site genetic modulation of monolignol biosynthesis suggests new routes for the formation of syringyl lignin and wall-bound ferulic acid in alfalfa (Medicago sativa L.). Plant Journal 48, 113-124.
  30. Tian, L. and Dixon, R.A. (2006). Engineering isoflavone metabolism with an artificial bifunctional enzyme. Planta 224, 496-507.
  31. Wright, E., Dixon, R.A. and Wang, Z.-Y. (2006). Medicago truncatula transformation using cotyledon explants. In Agrobacterium Protocols (Ed. K. Wang), Humana Press, 129-135.
  32. Crane, C., Dixon, R.A. and Wang, Z.-TY. (2006). Medicago truncatula transformation using root explants. In "Agrobacterium Protocols" (Ed. K. Wang), Humana Press, 137-142.
  33. Crane, C., Wright, E., Dixon, R.A. and Wang, Z.-Y. (2006) Transgenic Medicago truncatula plants obtained from Agrobacterium tumefaciens-transformed roots and Agrobacterium rhizogenes-transformed hairy roots. Planta 223, 1344-1354.
  34. Xie, D.-Y., Sharma, S.B., Wright, E., Wang, Z.-Y. and Dixon, R.A. (2006). Engineering plants for introduction of health-beneficial proanthocyanidins. Plant Journal 45, 895-907.
  35. Ralph, J., Akiyama, T., Kim, H., Lu, F., Schatz, P.F., Marita, J.M., Ralph, S.A., Reddy, M.S.S., Chen, F. and Dixon, R.A. (2006) Effects of coumarate 3-hydroxylase down-regulation on lignin structure. Journal of Biological Chemistry 281, 8843-8853.
  36. Dixon, R.A., Achnine, L., Deavours, B.E. and Naoumkina, M. (2006). Metabolomics and gene identification in plant natural product pathways. In: Biotechnology in Agriculture and Forestry, "Plant Metabolomics", edited by K. Saito, R. A. Dixon and L. Willmitzer, Springer, pp 243-259.
  37. Wang, X., He, X., Lin, J., Shao, H., Chang, Z.Z. and Dixon, R.A. (2006) Crystal structure of isoflavone reductase from alfalfa (Medicago sativa L.). Journal of Molecular Biology 358,1341-1352.
  38. Shao, H., He, X., Achnine, L., Blount, J.W., Dixon, R.A., and Wang, X. (2005). Crystal structures of a  multifunctional triterpene/flavonoid glycosyltransferase from Medicago truncatula. Plant Cell 17, 3141-3154.
  39. Reddy, M.S.S., Chen, F., Shadle, G., Jackson, L., Aljoe, H. and Dixon, R.A. (2005). Targeted down-regulation of cytochrome P450 enzymes for forage quality improvement in alfalfa (Medicago sativa L.). Proceedings of the National Academy of Sciences USA 102, 16573-16578.
  40. Dixon, R.A. (2005). A two-for-one in tomato nutritional enhancement. Nature Biotechnology 23, 825-826.
  41. Lei, Z., Elmer, A.M., Watson, B.S., Dixon, R.A., Mendes, P.J. and Sumner, L.W. (2005). A 2-DE proteomics reference map and systematic identification of 1367 proteins from a cell suspension culture of the model legume Medicago truncatula. Molecular and Cellular Proteomics 4, 1812-1825.
  42. Dixon, R.A. (2005). Plant biotechnology kicks off into the 21st century (Editorial). Trends in Plant Science 10, 560-561.
  43. Bomati, E.K., Austin, M.B., Bowmann, M.E., Dixon, R.A. and Noel, J.P. (2005). Structural elucidation of chalcone reductase and implications for deoxychalcone biosynthesis. Journal of Biological Chemistry 280, 30496-30503.
  44. Deavours, B.E. and Dixon, R.A. (2005). Metabolic engineering of isoflavonoid biosynthesis in alfalfa (Medicago sativa L.). Plant Physiology 138, 2245-2259.
  45. Sharma, S.B. and Dixon, R.A. (2005). Metabolic engineering of proanthocyanidins by ectopic expression of transcription factors in Arabidopsis thaliana. Plant Journal 44, 62-75.
  46. Kutchan, T and Dixon, R.A. (2005) Secondary metabolism: nature?s chemical reservoir under deconvolution. Current Opinion in Plant Biology 8, 227-229.
  47. Dixon, R.A. (2005) Engineering plant natural product pathways. Current Opinion in Plant Biology 8, 329-336.
  48. Achnine, L., Huhman, D.V., Farag, M.A., Sumner, L.W., Blount, J.W. and Dixon, R.A. (2005) Genomics-based selection and functional characterization of triterpene glycosyltransferases from the model legume Medicago truncatula. Plant Journal 41, 875-887.
  49. Xie, D.-Y. and Dixon, R.A (2005). Proanthocyanidin biosynthesis - still more questions than answers? Phytchemistry 66, 2126-2143.
  50. Ferrer, J.L., Zubieta, C., Dixon, R.A. and Noel, J.P. (2005). Crystal structures of alfalfa caffeoyl CoA 3-O-methyltransferase. Plant Physiology 137, 1009-1017.
  51. Suzuki, H., Reddy, M.S.S., Naoumkina, M., Aziz, N., May, G.D., Huhman, D.V., Sumner, L.W., Blount, J.W., Mendes, P., and Dixon, R.A. (2005). Methyl jasmonate and yeast elicitor induce differential transcriptional and metabolic re-programming in cell suspension cultures of the model legume Medicago truncatula. Planta 220, 696-707.
  52. Broeckling, C.D., Huhman, D.V., Farag, M. Smith, J.T., May, G.D., Mendes, P., Dixon, R.A. and Sumner, L.W. (2005). Metabolic profiling of Medicago truncatula cell cultures reveals effects of biotic and abiotic elicitors on metabolism. Journal of Experimental Botany 56, 323-336.
    http://jxb.oupjournals.org/cgi/content/abstract/eri058?ijkey=601OJCrXzyPZA&keytype=ref  
  53. Dixon, R.A., Xie, D.-Y., and Sharma, S.B. (2005). Tansley Review. Proanthocyanidins- a final frontier in flavonoid research. New Phytologist 165, 9-28.
  54. Aziz, N., Paiva, N.L., May, G.D. and Dixon, R.A. (2005). Profiling the transcriptome of alfalfa glandular trichomes.  Planta 221, 28-38
  55. Elmer, A.M., Broeckling, C.D., Chen, F., Dixon, R.A., Donnelly, B.E., Duran, A.L., Huhman, D.V., Lei, Z., Watson, B.S. and Sumner, L.W. (2004). Potential of integrated functional genomics in biosafety assessment. In Genomics for Biosafety in Plant Biotechnology, ed J-P Nap, A Atanassov and W. J. Stiekema, NATO Science Series, IOS Press, pp 3-17.
  56. Hensley, K., Mou, S., Pye, Q., Dixon, R.A., Sumner, L.W. and Floyd, R.A. (2004). Chemical versus pharmacological actions of nutraceutical phytochemicals: antioxidant and anti inflammatory modalities. Journal of Nutraceutical Research 2, 13-26.
  57. Achnine, L., Blancaflor, E., Rasmussen, S. and Dixon, R.A. (2004). Co-localization of L-phenylalanine ammonia-lyase and cinnamate 4-hydroxylase for metabolic channeling in phenylpropanoid biosynthesis. Plant Cell 16, 3098-3109. Website
  58. Watson, B.S, Lei, Z., Dixon, R.A. and Sumner, L.W. (2004). Proteomics of Medicago sativa cell walls. Phytochemistry 65, 1709-1720.
  59. Xia, Y., Suzuki, H., Borevitz, J., Blount, J., Guo, Z., Patel, K., Dixon, R.A. and Lamb, C. (2004). An extracellular aspartic protease functions in Arabidopsis disease resistance signaling. EMBO Journal 23, 980-988.
  60. Suzuki, H., Xia, Y., Cameron, R., Shadle. G., Blount, J., Lamb, C. and Dixon, R.A. (2004). Signals for Local and Systemic Responses of Plants to Pathogen Attack. Journal of Experimental Botany 55(395), 169-179.
  61. Dixon, R.A. (2004). Molecular improvement of forages- from genomics to GMOs. In Molecular Breeding of Forage and Turf, eds Z-Y Wang and A. Hopkins, Kluwer Academic Publishers, 1-19.
  62. Kota, P., Guo, D., Zubieta, C., Noel, J. and Dixon, R.A. (2004). O-Methylation of benzaldehyde derivatives by "lignin specific" caffeic acid 3-O-methyltransferase. Phytochemistry 65, 837-846.
  63. May, G.D. and Dixon, R.A. (2004). Quick Guide- Medicago truncatula. Current Biology 14, R180-181.
  64. Xie, D.-Y., Sharma, S.B. and Dixon, R.A. (2004). Anthocyanidin reductases from Medicago truncatula and Arabidopsis thaliana. Archives of Biochemistry and Biophysics 422, 91-102.
  65. Dixon, R.A. (2004) Phytoestrogens. Annual Review of Plant Biology 55, 225-261.
  66. Marita, J.M., Ralph, J.R., Hatfield, R.D., Guo, D., Chen, F., and Dixon, R.A. (2003). Strucutral and compositional modifications in lignin of transgenic alfalfa down-regulated in caffeic acid 3-O-methyltransferase and caffeoyl CoA 3-O-methyltransferase. Phytochemistry 62, 53-65.
  67. Xie, D.-Y., Sharma, S.B., Paiva, N.L., Ferreira, D. and Dixon, R.A. (2003). Role of anthocyanidin reductase, encoded by BANYULS, in plant flavonoid biosynthesis. Science 299, 396-399.
  68. Shadle, G.L., Wesley, S.V., Korth, K.L., Chen, F., Lamb, C. and Dixon, R.A. (2003). Phenylpropanoid compounds and disease resistance in transgenic tobacco with altered expression of L-phenylalanine ammonia-lyase. Phytochemistry 64, 153-161.
  69. Sumner, L.W., Mendes, P. and Dixon, R.A. (2003) Plant metabolomics: large-scale phytochemistry in the functional genomics era. Phytochemistry 62, 817-836.
  70. Dixon, R.A. and Sumner, L.W. (2003) Legume natural products. Understanding and manipulating complex pathways for human and animal health. Plant Physiology 131, 878-885.
  71. Dixon, R.A. and Strack, D. (2003) Phytochemistry meets genome analysis, and beyond??. (editorial). Phytochemistry 62, 815-816.
  72. Tripathy, S., Kleppinger-Sparace, K., Dixon, R.A. and Chapman, K.D. (2003) N-Acylethanolamine signaling in tobacco is mediated by a membrane-associated, high affinity binding protein. Plant Physiology,131, 1781-1791.
  73. Noel, J.P., Dixon, R.A., Pichersky, E., Zubieta, C. and Ferrer, J.-L. (2003). Structural, functional, and evolutionary basis for methylation of plant small molecules. Recent Advances in Phytochemistry 37, 37-58.
  74. Dixon, R.A. and Reddy, M.S.S. (2003). Biosynthesis of monolignols. Genomic and reverse genetic approaches. Phytochemical Reviews 2, 289-306.
  75. Chen, F., Duran, A.L., Blount, J.W., Sumner. L.W. and Dixon., R.A. (2003). Profiling phenolic metabolites in transgenic alfalfa modified in lignin biosynthesis. Phytochemistry 64, 1013-1021.
  76. Shrestha, R., Dixon, R.A. and Chapman, K. (2003). Molecular identification of a functional homologue of the mammalian fatty acid amide hydrolase in Arabidopsis thaliana. Journal of Biological Chemistry 278, 34990-34997.
  77. Liu, C-J., Huhman, D., Sumner, L.W. and Dixon, R.A. (2003) Regiospecific hydroxylation of isoflavones by cytochrome P450 81E enzymes from Medicago truncatula. Plant Journal 36, 471-484.
  78. Chen, L., Auh, C.-K., Dowling, P., Bell, J., Chen, F., Hopkins, A., Dixon, R.A. and Wang, Z.-Y. (2003) Improved forgage digestibility of tall fescue (Festuca arundinacea) by transgenic down-regulation of cinnamyl alcohol dehydrogenase. Plant Biotechnology Journal 1, 437-449.
  79. Joel, D.M., French, J.C., Graft, N., Kourteva, G., Dixon, R.A. and Havkin-Frenkel, D. (2003) A hairy tissue produces vanillin. Israel Journal of Plant Science 51, 157-159.
 
         
       
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