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Selected Publications

Walton JD, Earle ED, Yoder OC, Spanswick RM (1979) Reduction of adenosine triphosphate levels in susceptible maize mesophyll protoplasts by Helminthosporium maydis race T toxin. Plant Physiol 63: 806-810

Walton JD, Ray PM (1981) Evidence for receptor function of auxin binding sites in maize. Plant Physiol 68: 1334-1338

Walton JD, Ray PM (1982) Inhibition by light of growth and Golgi-localized glucan synthetase activity in the maize mesocotyl. Planta 156: 309-313

Walton JD, Ray PM (1982) Auxin controls Golgi-localized glucan synthetase in the maize mesocotyl. Planta 156: 302-308

Walton JD, Earle ED, Gibson BW (1982) Purification and structure of the host-specific toxin from Helminthosporium carbonum race 1. Biochem Biophys Res Comm 107: 785-794

KawaiM, Rich DH, Walton JD (1983) The structure and conformation of HC-toxin. Biochem Biophys Res Comm 111: 398-403

Walton JD, Paquin CE, Kaneko K, Williamson VW (1986) Resistance to antimycin A in yeast by amplification of ADH4 on a linear, 42-kb palindromic plasmid. Cell 46: 857-863

Scott-Craig JS, Panaccione DG, Cervone F, Walton JD (1990) Endopolygalacturonase is not required for pathogenicity of Cochliobolus carbonum on maize. Plant Cell 2: 1191-1200

Meeley RM, Walton JD (1991) Enzymatic detoxification by maize of the host-selective toxin HC-toxin. Plant Physiol 97:1080-1086

Meeley RB, Johal GS, Briggs SP, Walton JD (1992) A biochemical phenotype for a disease resistance gene of maize. Plant Cell 4:71-77

Panaccione DG, Scott-Craig JS, Pocard J-A, Walton JD (1992) A cyclic peptide synthetase gene required for pathogenicity of the fungus Cochliobolus carbonum on maize. Proc Natl Acad Sci USA 89: 6590-6594

Scott-Craig JS, Panaccione DG, Pocard J-A, Walton JD (1992) The cyclic peptide synthetase catalyzing HC-toxin production in the filamentous fungus Cochliobolus carbonum is encoded by a 15.7 kilobase open reading frame. J Biol Chem 267: 26044-26049

Walton JD, Panaccione DG (1993) Host-selective toxins and disease specificity: perspectives and progress. Annu Rev Phytopathol 31: 275-303

Walton JD (1994) Deconstructing the cell wall. Plant Physiol 104: 1113-1118

Walton JD, Casida JE (1995) Specific binding of a dichloroacetamide herbicide safener in maize at a site that also binds thiocarbamate and chloroacetanilideherbicides. Plant Physiol 109: 213-219

Brosch G, RansomR, Lechner T, Walton JD, Loidl P (1995) Inhibition of maize histone deacetylases by HC toxin, the host-selective toxin of Cochliobolus carbonum. Plant Cell 7: 1941-1950

Ahn J-H, Walton JD (1996) Chromosomal organization of TOX2,a complex locus required for host-selective toxin biosynthesis in Cochliobolus carbonum. Plant Cell 8: 887-897

Walton JD (1996) Host-selective toxins: Agents of compatibility. Plant Cell 8:1723-1733

Ransom RF, Walton JD (1997) Histone hyperacetylation in maize in response to treatment with HC-toxin or infection by the filamentous fungus Cochliobolus carbonum. Plant Physiol 115: 1021-1027

Scott-Craig JS, Casida JE, Poduje L, Walton JD (1998) Herbicide safener-binding protein of maize. Plant Physiol 116: 1083-1089

Ahn J-H, WaltonJD (1998) Regulation of cyclic peptide biosynthesis and pathogenicity in Cochliobolus carbonum by TOXE, a gene encoding a novel protein with a bZIP basic DNA binding motif and four ankyrin repeats. Mol Gen Genet 260: 462-469

Cheng Y-Q, WaltonJD (2000) A eukaryotic alanine racemase involved in cyclic peptide biosynthesis. J Biol Chem 275:4906-4911

Tonukari NJ, Scott-Craig JS, Walton JD (2000) The Cochliobolus carbonum SNF1 gene is required for cell wall-degrading enzyme expressionand virulence on maize. Plant Cell 12:237-247

Walton JD (2000)Horizontal gene transfer and the evolution of secondary metabolite gene clusters in fungi: an hypothesis. Fungal Genet Biol 30: 167-171

Kim H, Ahn J-H,Görlach JM, Caprari C, Scott-Craig JS, Walton JD (2001) Mutational analysis of beta-glucanase genes from the plant-pathogenic fungus Cochliobolus carbonum. Mol Plant-Microbe Interact 14: 1436-1443

Baidyaroy D,Brosch G, Ahn J-h, Graessle S, Wegener S, Tonukari NJ, Caballero O, Loidl P,Walton JD (2001) A gene related to yeast HOS2 histone deacetylase affects extracellular depolymerase expression and virulence in a plant pathogenic fungus. Plant Cell 13:1609-1624

Pedley KF,Walton JD (2001) Regulation of cyclic peptide biosynthesis in a plant pathogenic fungus by a novel transcription factor. Proc Natl Acad Sci USA 98:14174-14179

Ahn J-H, Cheng Y-Q, Walton JD (2002) An extended physical map of the TOX2 locus of Cochliobolus carbonum required for biosynthesis of HC-toxin. Fung Genet Biol 35:31-38

Hazen SP, Scott-Craig JS, Walton JD (2002) Cellulose synthase-like genes of rice. Plant Physiol 128:336-340

Hazen SP, RM Hawley, Davis GL, Henrissat VB, Walton JD (2003) Quantitative trait loci and comparative genomics of cereal cell wall composition. Plant Physiol 132: 263-271

Tonukari NJ, Scott-Craig JS, Walton JD (2003) Isolation of the carbon catabolite repressor (CREA) gene from the plant-pathogenic fungus Cochliobolus carbonum. DNA Sequence 14:103-107

Walton JD (2006) Molecules of interest: HC-toxin. Phytochemistry 67:1406-1413.

Cuomo CA et al. (2007) The Fusarium graminearum genome reveals a link between localized polymorphism and pathogen specialization. Science 317:1400-1402

Paper JM, JS Scott-Craig, ND Adhikari, CA Cuomo, JD Walton (2007) Comparative proteomics of extracellular proteins in vitro and in planta from the pathogenic fungus Fusarium graminearum. Proteomics 7:3171-3183

Hallen HE, H Luo, JS Scott-Craig, JD Walton (2007) A gene family encoding the major toxins of lethal Amanita mushrooms. Proc Natl Acad Sci 104:19097-19101

van Erp H, JD Walton (2009) Regulation of the cellulose synthase-like gene family by light in the maize mesocotyl. Planta 229:885-897

Nagendran S, H Hallen-Adams, JM Paper, N Aslam, JD Walton (2009) Reduced genomic potential for secreted plant cell-wall-degrading enzymes in the ectomycorrhizal fungus Amanita bisporigera, based on the secretome of Trichoderma reesei. Fung Genet Biol 46:427-435

Luo H, HE Hallen-Adams, JD Walton (2009) Processing of the phalloidin proprotein by prolyl oligopeptidase from the mushroom Conocybe albipes. J Biol Chem 284:18070-18077

Wight W, K-H Kim, CB Lawrence, JD Walton (2009) Biosynthesis and role in virulence of the histone deacetylase inhibitor depudecin from Alternaria brassicicola. Mol Plant-Microbe Interact 22:1258-1267

Walton JD, HE Hallen-Adams, H Luo (2010) Ribosomal biosynthesis of the cyclic peptide toxins of Amanita mushrooms. Biopolymers 94:659-664.

Banerjee G, JS Scott-Craig, JD Walton (2010) Improving enzymes for biomass conversion: A basic research perspective. BioEnergy Res 3:82–92

Santoro N, SL Cantu, C-E Tornqvist, TG Falbel, JL Bolivar, SE Patterson, M Pauly, JD Walton (2010) A high throughput platform for screening milligram quantities of plant biomass for lignocellulose digestibility. BioEnergy Res 3:93–102

Banerjee G, S Car, JS Scott-Craig, MS Borrusch, N Aslam, JD Walton (2010) Synthetic enzyme mixtures for biomass deconstruction: production and optimization of a core set. Biotechnol Bioengineer 106:707-720

Banerjee G, S Car, JS Scott-Craig, MS Borrusch, M Bongers, JD Walton (2010) Synthetic multi-component enzyme mixtures for deconstruction of lignocellulosic biomass. Bioresour Technol 101:9097-9105

Luo H, HE Hallen-Adams, JS Scott-Craig, JD Walton (2010) Co-localization of amanitin and a candidate toxin-processing prolyl oligopeptidase in Amanita basidiocarps. Eukaryotic Cell 9:1891-1900.

Banerjee G, S Car, JS Scott-Craig, MS Borrusch, JD Walton (2010) Rapid optimization of enzyme mixtures for deconstruction of diverse pretreatment/biomass feedstock combinations. Biotechnol Biofuels 3:22.

Banerjee G, S Car, JS Scott-Craig, DB Hodge, JD Walton (2011) Alkaline peroxide pretreatment of corn stover: effects of biomass, peroxide, and enzyme loading and composition on yields of glucose and xylose. Biotechnol Biofuels 4:16.

Luo H, HE Hallen-Adams, JS Scott-Craig, JD Walton (2012) Ribosomal biosynthesis of alpha-amanitin in Galerina marginata. Fung Genet Biol 49:123-129.

Banerjee G, S Car, T Liu, DL Williams, SL Meza, JD Walton, DB Hodge (2012) Scale-up and integration of alkaline hydrogen peroxide pretreatment, enzymatic hydrolysis, and ethanolic fermentation. Biotechnol Bioeng109:922-931.

Scott-Craig JS, MS Borrusch, G Banerjee, CM Harvey, JD Walton (2011) Biochemical and molecular characterization of secreted α-xylosidase from Aspergillus niger. J Biol Chem 286:42848-42854.

Walton, J., G. Banerjee, and S. Car (2011) GENPLAT: an automated platform for biomass enzyme discovery and cocktail optimization. J. Vis. Exp. doi: 10.3791/3314.

 Banerjee, G., S. Car, T. Liu, D. L. Williams, S. López Meza, J. D. Walton, and D. B. Hodge (2012) Scale-up and integration of alkaline hydrogen peroxide pretreatment, enzymatic hydrolysis, and ethanolic fermentation. Biotechnol. Bioengineer. 109:922-931.

 Luo, H., H. E. Hallen-Adams, J.  S. Scott-Craig, and J. D. Walton (2012) Ribosomal biosynthesis of α-amanitin in Galerina marginata. Fung. Genet. Biol. 49:123-129.

Arnison, P. G., et al. (2012) Ribosomally synthesized and post-translationally modified peptide natural products: Overview and recommendations for a universal nomenclature. Nat. Prod. Rep. 30:108-160.

Paper, J. M., J. S. Scott-Craig, D. Cavalier, A. Faik, R. E. Wiemels, M. S. Borrusch, M. Bongers, and J.D. Walton (2013) α-Fucosidases with different substrate specificities from two species of Fusarium. Appl. Microbiol. Biotechnol. 97:5371-5380.

Walton, J. D., H. Luo, and H. Hallen-Adams (2012) Ribosomally encoded cyclic peptide toxins from mushrooms. Meth Enzymol 516, part B (D.A. Hopwood, ed.), pp. 63-77.

Jabbour, D., M.S. Borrusch, G. Banerjee, and J.D. Walton (2013) Enhancement of fermentable sugar yields by α-xylosidase supplementation of commercial cellulases. Biotechnol. Biofuels 6:58

Wight, W.D., R. Labuda, J.D. Walton (2013) Conservation of the genes for HC-toxin biosynthesis in Alternaria jesenskae. BMC Microbiol. 13:165.

Zhou, P., K.A. Silverstein, L. Gao, J.D. Walton, S. Nallu, J. Guhlin, and N.D. Young (2013) Detecting small plant peptides using SPADA (Small Peptide Alignment Discovery Application). BMC Bioinformatics 14:335. PMID: 24256031.

Jabbour, D., E.R. Angelos, A. Mukhopadhyay, A. Womboldt, M.S. Borrusch, and J.D. Walton (2014) Factors contributing to the recalcitrance of herbaceous dicotyledons (forbs) to enzymatic deconstruction. Biotechnol. Biofuels 7:52. PMID: 24708722

Riley, R., A. Salamova, D. Brown, L.G. Nagy, D. Floudas, B. Held, A. Levasseur, V. Lombard, E. Morin, R. Otillar, E. Lindquist, H. Sun, K. LaButt, Jeremy Schmutz, D. Jabbour, H. Luo, S. Baker, A. Pisabarro, J.D. Walton, R. Blanchette, B. Henrissat, F. Martin, D. Cullen, D. Hibbett, and I.V. Grigoriev (2014). Extensive sampling of basidiomycete genomes demonstrates inadequacy of the white rot/brown rot paradigm for wood decay fungi. Proc. Natl. Acad. Sci. USA 111:9923-9928. PMID: 24958869.

Sgambelluri, R.M., S. Epis, D. Sassera, H. Luo, E.R. Angelos, and J.D. Walton (2014) Profiling of amatoxins and phallotoxins in the genus Lepiota by liquid chromatography combined with UV absorbance and mass spectrometry. Toxins 6:2336-2347.

Cao, H., J.D. Walton, P. Brumm, G.N. Phillips, Jr. (2014) Structure and substrate specificity of a eukaryotic fucosidase from Fusarium graminearum. J. Biol. Chem., in press.

Karkehabadi S, Helmich KE, Kaper T, Hansson H, Mikkelsen NE, Gudmundsson M, Piens K, Fujdala M, Banerjee G, Scott-Craig JS, Walton JD, Phillips GN Jr, Sandgren M. Biochemical Characterization and Crystal Structures of a Fungal Family 3 β-Glucosidase, Cel3A from Hypocrea jecorina. J Biol Chem. 2014 Aug 27. pii: jbc.M114.587766. [Epub ahead of print] PubMed PMID: 25164811.

Ye, Z., Y. Zheng, B. Li, M.S. Borrusch, R. Storms, and J.D. Walton (2014) Enhancement of syntheticTrichoderma-based enzyme mixtures for biomass conversion with an alternative family 5 glycosyl hydrolase from Sporotrichum thermophile. PLoS ONE 9(10):1. DOI: 10.1371/journal.pone.0109885.

Luo, H., S.Y. Hong, R.M. Sgambelluri, E. Angelos, X. Li, and J.D. Walton (201x) Peptide macrocyclization catalyzed by a prolyl oligopeptidase involved in α-amanitin biosynthesis. Chem Biol., in press.



U. S. 5,973,229 "Gene encoding herbicide safener binding protein". Inventors: J.D. Walton and J.S. Scott-Craig. Issued October 26, 1999.

The Big Muscaria - Berkeley CA

The Big Muscaria - Berkeley CA

Communing with Conocybe (picture by H. Hallen)

Communing with Conocybe (picture by H. Hallen)

GLBRC open house with Governor Jennifer Granholm

GLBRC open house with Governor Jennifer Granholm

MPMI Symposium 2009, Quebec

MPMI Symposium 2009, Quebec

Pressing pinot noir at the Martin Ray winery, 1979

Pressing pinot noir at the Martin Ray winery, 1979

Orchids at Machu Pichu

Orchids at Machu Pichu

Monte Bianco, Italy

Monte Bianco, Italy