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ARS Home Pacific West Area Albany, California Western Regional Research Center Bioproducts Research People & Locations







Colleen  McMahan
                        Bioproducts Research

                        




                        
                        RESEARCH CHEMIST
                        Phone: (510) 559-5816
                        
                        
                        Fax: (510) 559-5818(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsDomestic Production of Natural Rubber and Resins
                                                    In-House Appropriated
                                                                    (D)Accession Number: 438153Sustainable Bioeconomy for Arid Regions (SBAR)
                                                    Reimbursable Cooperative Agreement
                                                                    (R)Accession Number: 434141Expression and Function of Rubber Particle Proteins
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 437019Biodegradation of Latex Balloons
                                                    Trust Fund Cooperative Agreement
                                                                    (T)Accession Number: 443509**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Replacement of carbon black with coppiced biochar in guayule rubber composites improves tensile properties
                                                        

- (Peer Reviewed Journal)Peterson, S.C., Mcmahan, C.M. 2023. Replacement of carbon black with coppiced biochar in guayule rubber composites improves tensile properties. Journal of Composites Science. 7(12):499. https://doi.org/10.3390/jcs7120499.Computational studies of rubber ozonation explain the effectiveness of 6PPD as an antidegradant and the mechanism of its quinone formation
                                                        

- (Peer Reviewed Journal)Rossomme, E.C., Hart-Cooper, W.M., Orts, W.J., McMahan, C.M., Head-Gordon, M. 2023. Computational studies of rubber ozonation explain the effectiveness of 6PPD as an antidegradant and the mechanism of its quinone formation. Environmental Science and Technology. 57(13):5216-5230. https://doi.org/10.1021/acs.est.2c08717.Overexpressing an Arabidopsis SEIPIN1 reduces rubber particle size in guayule
                                                        

- (Peer Reviewed Journal)Chen, G.Q., Ponciano, G.P., Dong, C., Dong, N., Johnson, K., Bolton, T.T., Williams, T.G., Wood, D.F., Placido, D.F., McMahan, C.M., Dyer, J.M. 2023. Overexpressing an Arabidopsis SEIPIN1 reduces rubber particle size in guayule. Industrial Crops and Products. 195. Article 116410. https://doi.org/10.1016/j.indcrop.2023.116410.Evidence of silane coupling in torrefied agro-industrial residue-filled poly(styrene-co-butadiene) rubber compounds
                                                        

- (Peer Reviewed Journal)Torres, L.F., McCaffrey, Z., Williams, T.G., Wood, D.F., Orts, W.J., McMahan, C.M. 2023. Evidence of silane coupling in torrefied agro-industrial residue-filled poly(styrene-co-butadiene) rubber compounds. Journal of Applied Polymer Science. 140(12). Article e53646. https://doi.org/10.1002/app.53646.Wounding and cold stress increase resin and rubber production of Parthenium argentatum cultivar G711
                                                        

- (Peer Reviewed Journal)Placido, D., McMahan, C.M., Lee, C.C. 2022. Wounding and cold stress increase resin and rubber production of Parthenium argentatum cultivar G711. Industrial Crops and Products. 193. Article 116174. https://doi.org/10.1016/j.indcrop.2022.116174.Electrically conductive elastomers based on natural rubber and polyaniline

- (Trade Journal)Malmonge, J., Santim, R., McMahan, C.M. 2022. Electrically conductive elastomers based on natural rubber and polyaniline. Rubber World. 267(2):34-36.Guayule as an alternative crop for natural rubber production grown in B- and Se-laden soil in Central California
                                                        

- (Peer Reviewed Journal)Banuelos, G.S., Placido, D.F., Zhu, H., Centofanti, T., Zambrano, M., Heinitz, C.C., Lone, T.A., McMahan, C.M. 2022. Guayule as an alternative crop for natural rubber production grown in B- and Se-laden soil in Central California. Industrial Crops and Products. 189. Article 115799. https://doi.org/10.1016/j.indcrop.2022.115799.Downregulation of squalene synthase broadly impacts isoprenoid biosynthesis in guayule
                                                        

- (Peer Reviewed Journal)Placido, D., Dong, N., Amer, B., Dong, C., Ponciano, G.P., Kahlon, T.S., Whalen, M., Baidoo, E., McMahan, C.M. 2022. Downregulation of squalene synthase broadly impacts isoprenoid biosynthesis in guayule. Metabolites. 12(4). Article 303. https://doi.org/10.3390/metabo12040303.Electrically conductive nanocomposites produced by in situ polymerization of pyrrole in a natural rubber latex medium
                                                        

- (Peer Reviewed Journal)Santim, R., Sanchez, A., da Silva, M., McMahan, C.M., Malmonge, J. 2022. Electrically conductive nanocomposites produced by in situ polymerization of pyrrole in a natural rubber latex medium. Polymer Composites. 43(5):2972-2979. https://doi.org/10.1002/pc.26591.Alkaline pretreatment of Taraxacum kok-saghyz (TK) roots for the extraction of natural rubber (NR)
                                                        

- (Peer Reviewed Journal)Ramirez Cavidad, D., Hathwaik, U.I., Cornish, K., McMahan, C.M., Michel Jr., F. 2022. Alkaline pretreatment of Taraxacum kok-saghyz (TK) roots for the extraction of natural rubber (NR). Biochemical Engineering Journal. 181. Article 108376. https://doi.org/10.1016/j.bej.2022.108376.RNASeq analysis of drought-stressed guayule reveals the role of gene transcription for modulating rubber, resin, and carbohydrate synthesis
                                                        

- (Peer Reviewed Journal)Dong, C., Ponciano, G.P., Huo, N., Gu, Y.Q., Ilut, D., McMahan, C.M. 2021. RNASeq analysis of drought-stressed guayule reveals the role of gene transcription for modulating rubber, resin, and carbohydrate synthesis. Scientific Reports. 11. Article 21610. https://doi.org/10.1038/s41598-021-01026-7.Guayule is an industrial crop that can be grown for its natural rubber production and phytoremediation capability in the Western San Joaquin Valley, California
                                                        

- (Peer Reviewed Journal)Placido, D.F., Heinitz, C.C., McMahan, C.M., Banuelos, G.S. 2021. Guayule is an industrial crop that can be grown for its natural rubber production and phytoremediation capability in the Western San Joaquin Valley, California. Current Plant Biology. 28. Article 100223. https://doi.org/10.1016/j.cpb.2021.100223.More than just the kernel

- (Trade Journal)Wood, D.F., Torres, L.F., Mc Caffrey, Z., Williams, T.G., Chiou, B., Mc Mahan, C.M., Orts, W.J. 2021. More than just the kernel. Nutfruit Magazine. https://www.nutfruit.org/industry/publications/inc-magazine/articles/detail/.Torrefied agro-industrial residue as filler in natural rubber compounds
                                                        

- (Peer Reviewed Journal)Torres, L.F., McCaffrey, Z., Washington, W., Williams, T.G., Wood, D.F., Orts, W.J., McMahan, C.M. 2021. Torrefied agro-industrial residue as filler in natural rubber compounds. Journal of Applied Polymer Science. 138(28). Article e50684. https://doi.org/10.1002/app.50684.Temporal analysis of natural rubber transferases reveals intrinsic distinctions for in vitro synthesis in two rubber-producing species

- (Peer Reviewed Journal)Cornish, K., Dacosta, B., McMahan, C.M. 2020. Temporal analysis of natural rubber transferases reveals intrinsic distinctions for in vitro synthesis in two rubber-producing species. Current Topics in Biochemical Research. 21:45-58.Transcriptomic and evolutionary analysis of the mechanisms by which P. argentatum, a rubber producing perennial, responds to drought
                                                        

- (Peer Reviewed Journal)Nelson, A.D., Ponciano, G.P., McMahan, C.M., Ilut, D.C., Pugh, N.A., Elshikha, D.E., Hunsaker, D.J., Pauli, D. 2019. Transcriptomic and evolutionary analysis of the mechanisms by which P. argentatum, a rubber producing perennial, responds to drought. Biomed Central (BMC) Plant Biology. 19:494. https://doi.org/10.1186/s12870-019-2106-2.Development of novel processes for aqueous extraction of natural rubber from Taraxacum kok-saghyz (TK)
                                                        

- (Peer Reviewed Journal)Ramirez-Cadavid, D., Cornish, K., Hathwaik, U.I., Kozak, R., McMahan, C.M., Michel, F. 2019. Development of novel processes for aqueous extraction of natural rubber from Taraxacum kok-saghyz (TK). Journal of Chemical Technology & Biotechnology. 94(8):2452-2464. https://doi.org/10.1002/jctb.6027.Molecular species of triacylglycerols in the rubber particles of Parthenium argentatum and Hevea brasiliensis
                                                        

- (Peer Reviewed Journal)Hathwaik, U.I., Lin, J.T., McMahan, C.M. 2018. Molecular species of triacylglycerols in the rubber particles of Parthenium argentatum and Hevea brasiliensis. Biocatalysis and Agricultural Biotechnology. 16:107-114. https://doi.org/10.1016/j.bcab.2018.07.019.A bicistronic transgene system for genetic modification of Parthenium argentatum
                                                        

- (Peer Reviewed Journal)Ponciano, G.P., Dong, N., Chen, G.Q., McMahan, C.M. 2018. A bicistronic transgene system for genetic modification of Parthenium argentatum. Plant Biotechnology Reports. 12(2):149-155. https://doi.org/10.1007/s11816-018-0478-7.Techno-economic analysis of guayule (parthenium argentatum) pyrolysis biorefining:  production of biofuels from guayule bagasse via tail-gas reactive pyrolysis
                                                        

- (Peer Reviewed Journal)Sabaini, P.S., Boateng, A.A., Schaffer, M.A., Mullen, C.A., Elkasabi, Y.M., McMahan, C.M., Macken, N. 2018. Techno-economic analysis of guayule (parthenium argentatum) pyrolysis biorefining:  production of biofuels from guayule bagasse via tail-gas reactive pyrolysis. Industrial Crops and Products. 112:82-89.Proteins and amino acids as biobased polymer modifiers

- (Abstract Only)Mcmahan, C.M., Hathwaik, U.I., Torres, L.F., Lhamo, D., Orts, W.J. 2017. Proteins and amino acids as biobased polymer modifiers.  [abstract].Fructan reduction by downregulation of 1-SST in guayule

- (Peer Reviewed Journal)Dong, N., Dong, C., Ponciano, G.P., Holtman, K.M., Placido, D.F., Coffelt, T.A., Whalen, M.C., McMahan, C.M. 2017. Fructan reduction by downregulation of 1-SST in guayule. Industrial Crops and Products. doi: 10.1016/j.indcrop.2017.04.034.Thermomyces lanuginosus STm: a source of thermostable hydrolytic enzymes for novel application in extraction of high-quality natural rubber from Taraxacum kok-saghyz (rubber dandelion)

- (Peer Reviewed Journal)Sikandar, S., Ujor, V.C., Ezeji, T.C., Rossington, J.L., Michel, F.C., Mcmahan, C.M., Ali, N., Cornish, K. 2017. Thermomyces lanuginosus STm: a source of thermostable hydrolytic enzymes for novel application in extraction of high-quality natural rubber from Taraxacum kok-saghyz (rubber dandelion). Industrial Crops and Products. 103(2017):161-168. doi:10.1016/j.indcrop.2017.03.044.Effect of non-rubber constituents on Guayule and Hevea rubber intrinsic properties

- (Peer Reviewed Journal)Monadjemi, S., McMahan, C.M., Cornish, K. 2016. Effect of non-rubber constituents on Guayule and Hevea rubber intrinsic properties. Journal of Research Updates in Polymer Science. 5(5):87-96. doi: 10.6000/1929-5995.2016.05.03.1.Biorefinery developments for advanced biofuels from a widening array of biomass feedstocks

- (Review Article)Orts, W.J., McMahan, C.M. 2016. Biorefinery developments for advanced biofuels from a widening array of biomass feedstocks. BioEnergy Research. 9(2):430-446. doi: 10.1007/s12155-016-9732-4.Guayule (parthenium argentatum) pyrolysis biorefining:  production of hydrocarbon compatible bio-oils from guayule bagasse via tail-gas reactive pyrolysis
                                                        

- (Peer Reviewed Journal)Boateng, A.A., Mullen, C.A., Elkasabi, Y.M., Mcmahan, C.M. 2015. Guayule (parthenium argentatum) pyrolysis biorefining:  production of hydrocarbon compatible bio-oils from guayule bagasse via tail-gas reactive pyrolysis. Fuel. 158:948-956.A sustainability review of domestic rubber from the guayule plant

- (Peer Reviewed Journal)Rasutis, D., Soratana, K., Mcmahan, C.M., Landis, A. 2015. A sustainability review of domestic rubber from the guayule plant. Industrial Crops and Products. 70:383-394.Conductive elastomers by a new latex process

- (Proceedings)Mcmahan, C.M., Malmonge, J.A. 2015. Conductive elastomers by a new latex process. Meeting Abstract. International Latex Conference, Akron, Ohio, August 11-12, 2015.A study of amino acid modifiers in guayule natural rubber

- (Peer Reviewed Journal)Mcmahan, C.M., Lhamo, D. 2015. A study of amino acid modifiers in guayule natural rubber. Rubber Chemistry and Technology. 88:310-323.Protein influences on guayule and Hevea natural rubber sol and gel

- (Peer Reviewed Journal)Mcmahan, C.M., Kostyal, D., Lhamo, D., Cornish, K. 2015. Protein influences on guayule and Hevea natural rubber sol and gel. Journal of Applied Polymer Science. 132, 42051, DOI: 10.1002/app.42051.Studies of the latex of Brazilian IAC series clones from Hevea brasiliensis

- (Proceedings)Xie, W., Mcmahan, C.M., Moreno, R.M., Da Costa, B.M., Mattoso, L.H., Goncalves, P., Cornish, K. 2015. Studies of the latex of Brazilian IAC series clones from Hevea brasiliensis. Association for the Advancement of Industrial Crops Conference. 7:300-307.Magnesium affects rubber biosynthesis and particle stability in Ficus elastica, Hevea brasiliensis and Parthenium argentatum

- (Proceedings)Xie, W., Cornish, K., Mcmahan, C.M., Whalen, M.C., Shintani, D.K., Coffelt, T.A., Mattoso, L.H. 2015. Magnesium affects rubber biosynthesis and particle stability in Ficus elastica, Hevea brasiliensis and Parthenium argentatum. Association for the Advancement of Industrial Crops Conference. 7:292-299.Amino acid modifiers in guayule rubber compounds

- (Abstract Only)Mcmahan, C.M., Lhamo, D. 2015. Amino acid modifiers in guayule rubber compounds. Meeting Abstract. Tire Technology Expo 2015, Green Tire Materials Session, February 10-12, 2015, Cologne, Germany.Calcium media improves regeneration of guayule

- (Abstract Only)2013-2014 Production of guayule natural rubber in Arizona, U.S.A.

- (Abstract Only)A study of protein and amino acids in guayule natural rubber

- (Abstract Only)Effect of non-rubber constituents on guayule and Hevea rubber intrinsic properties

- (Abstract Only)A study of protein and amino acids in guayule natural rubber

- (Proceedings)Mcmahan, C.M., Lhamo, D. 2014. A study of protein and amino acids in guayule natural rubber. Meeting Abstract. American Chemical Society International Elastomer Conference, October 14-16, 2014.Nanocomposites of natural rubber and polyaniline-modified cellulose nanofibrils
                                                        

- (Peer Reviewed Journal)Silva, M.J., Sanches, A.O., Madeiros, E.S., Mattoso, L.H., Mcmahan, C.M., Malmonge, J.A. 2014. Nanocomposites of natural rubber and polyaniline-modified cellulose nanofibrils. Journal of Thermal Analysis and Calorimetry. 117:387-392.Expression of the cytoplasmic mevalonate pathway in chloroplasts to reduce substrate limitations for cytoplasmically-produced terpenoid secondary products

- (Abstract Only)Cornish, K., Kumar, S., Mcmahan, C.M., Whalen, M.C. 2013. Expression of the cytoplasmic mevalonate pathway in chloroplasts to reduce substrate limitations for cytoplasmically-produced terpenoid secondary products [abstract]. 3rd International Symposium on Chloroplast Genomics and Genetic Engineering (ISCGGE) Conference, May 8-11, 2013, Brunswich, New Jersey.Overexpression of 3-hydroxy-3-methylglutaryl coenzyme A reductase in Parthenium argentatum (guayule)

- (Peer Reviewed Journal)Dong, N., Ponciano, G.P., McMahan, C.M., Coffelt, T.A., Lauren, J., Robert, C., Whalen, M.C., Katrina, C. 2013. Overexpression of 3-hydroxy-3-methylglutaryl coenzyme A reductase in Parthenium argentatum (guayule). Industrial Crops and Products. 46(2013):15-24. DOI: 10.1016/j.indcrop.2012.12.044.Development of crops to produce industrially useful natural rubber

- (Book / Chapter)Whalen, M.C., McMahan, C.M., Shintani, D. 2013. Development of crops to produce industrially useful natural rubber. In: Bach, T.J. and Rohmer, M., editors. Isoprenoid Synthesis in Plants and Microorganisms: New Concepts and Experimental Approaches. New York, NY: Springer Science+Business Media p. 329-346.Laboratory and field studies of guayule modified to overexpress HMGR

- (Abstract Only)Mcmahan, C.M. 2013. Laboratory and field studies of guayule modified to overexpress HMGR [abstract]. Tire Technology Expo 2013, February 5-7, 2013 Cologne, Germany.Phenotype analysis of Russian dandelion root tissues from the national plant germplasm system collection

- (Abstract Only)Analysis of cold-acclimated guayule transcriptome

- (Abstract Only)Guayule resin detection and influence on guayule rubber

- (Abstract Only)Securing the future of natural rubber – an American tire and bio-energy platform from guayule

- (Abstract Only)Ericameria Nauseosa (rubber rabbitbrush): a complementary rubber feedstock to augment the guayule rubber production stream

- (Abstract Only)Shintani, D., Hathwaik, U., Miller, G., Robbins, C., Mcmahan, C.M. 2012. Ericameria Nauseosa (rubber rabbitbrush): a complementary rubber feedstock to augment the guayule rubber production stream [abstract]. Association for the Advancement of Industrial Crops (AAIC) November 12-15, 2012, Sonoma, California.The role of the small rubber particle protein in determining rubber yields and polymer length in Russian dandelion

- (Peer Reviewed Journal)Collins Silva, J., Nural, A.T., Scott, D.J., Hathwaik, U., Woosley, R., Schegg, K., Mcmahan, C.M., Whalen, M.C., Cornish, K., Shintani, D.K. 2012. The role of the small rubber particle protein in determining rubber yields and polymer length in Russian dandelion. Phytochemistry. 79:46-56.Transcriptome and gene expression analysis in cold-acclimated guayule (Parthenium argentatum)rubber-producing tissue

- (Peer Reviewed Journal)Ponciano, G.P., Mcmahan, C.M., Wengshuang, X., Lazo, G.R., Coffelt, T.A., Collins-Silva, J., Nural-Taban, A., Golley, M., Shintani, D.K., Whalen, M.C. (2012). Transcriptome and gene expression analysis in cold-acclimated guayule (Parthenium argentatum)rubber-producing tissue. Phytochemistry. 79:57-66.Remodeling the isoprenoid pathway in tobacco by expressing the cytoplasmic mevalonate pathway in chloroplasts

- (Peer Reviewed Journal)Kumar, S., Hahn, F.M., Baidoo, E., Kahlon, T.S., Wood, D.F., Mcmahan, C.M., Cornish, K., Keasling, J., Daniell, H., Whalen, M.C. 2011. Remodeling the isoprenoid pathway in tobacco by expressing the cytoplasmic mevalonate pathway in chloroplasts. Metabolic Engineering. 14(1):19-28.Valorization of guayule as a feedstock for lignocellulosic biorefineries using ammonia fiber expansion (AFEX) pretreatment

- (Peer Reviewed Journal)Chundawat, S.P.S., Chang, L., Gunawan, C., Balan, V., Mcmahan, C., Dale, B.E. 2012.Guayule as a feedstock for lignocellulosic biorefineries using ammonia fiber expansion (AFEX) pretreatment. Industrial Crops and Products. 37: 486-492.Blends of guayule natural rubber latex with commercial latex polymers

- (Proceedings)Mcmahan, C.M. 2011. Blends of guayule natural rubber latex with commercial latex polymers. Meeting Proceedings. 199-223.Using ribosome binding sequences for multiple-gene transformation

- (Abstract Only)Dong, N., Mcmahan, C.M. 2011. Using ribosome binding sequences for multiple-gene transformation. In Vitro Biology Meeting. 47:S57-S58.Seasonal and clonal variations in technological and thermal properties of raw Hevea natural rubber

- (Peer Reviewed Journal)Galiani, P.D., Martins, M.A., De Souza Goncalves, P., Mcmahan, C.M., Mattoso, L.C. 2011. Seasonal and clonal variations in technological and thermal properties of raw Hevea natural rubber. Journal of Applied Polymer Science. 122(4): 2749-2755.Unraveling the mystery of natural rubber biosythesis part I: investigation of the composition and growth of in vitro natural rubber using high resolution size exclusion chromatography

- (Peer Reviewed Journal)Chiang, K.C., Xie, W., Mcmahan, C.M., Puskas, J. 2011. Unraveling the mystery of natural rubber biosythesis part I: investigation of the composition and growth of in vitro natural rubber using high resolution size exclusion chromatography. Rubber Chemistry and Technology. 84(2):166-177.SUSTAINABILITY OF NATURAL RUBBER-PRODUCING CROPS IN THE UNITED STATES: APPLIED BIOTECHNOLOGY LESSONS 2000-2010

- (Proceedings)Mcmahan, C.M., Shintani, D.K., Cornish, K., Coffelt, T.A., Ray, D.T., Whalen, M.C. 2010. Sustainability of Natural Rubber-Producing Crops in the United States: Applied Biotechnology Lessons 2000-2010. Association of the Advancement of Industrial Crops (AAIC) 22nd Annual Meeting, 2010 New Crops: Exploring Diversity, Preserving our Future, Fort Collins, CO, September 18-22, 2010.Agronomic and Natural Rubber Characteristics of  Sunflower as a Rubber-Producing Plant

- (Peer Reviewed Journal)Pearson, C., Cornish, K., Mcmahan, C.M., Rath, D.J., Brichta, J.L., Van Fleet, J.E. 2010. Agronomic and Natural Rubber Characteristics of Sunflower as a Rubber-Producing Plant. Industrial Crops and Products. 31:481-491.Natural Rubber Quantification in Sunflower Using an Automated Solvent Extractor

- (Peer Reviewed Journal)Pearson, C.H., Cornish, K., Mcmahan, C.M., Rath, D.J., Whalen, M.C. 2010. Natural Rubber Quantification in Sunflower Using an Automated Solvent Extractor. Industrial Crops and Products. 31:469-475.The complete sequence of the plastid genome of Parthenium argentatum is similar to those of other Asteraceae species and provides DNA barcodes that differentiate species and lines

- (Peer Reviewed Journal)Kumar, S., Whalen, M.C., Hahn, F.M., Mcmahan, C.M., Cornish, K. 2009. The complete sequence of the plastid genome of Parthenium argentatum is similar to those of other Asteraceae species and provides DNA barcodes that differentiate species and lines. Biomed Central (BMC) Plant Biology. 9:131.Available:  http://www.biomedcentral.com/1471-2229-9-131.Biosynthesis of Polyisoprenoids

- (Pct (patent Cooperation Treaty))Puskas, J., Mcmahan, C.M., Deffieux, A., Kennedy, J.P. 2010. Biosynthesis of Polyisoprenoids. Patent Cooperation Treaty US2009/005985.Fast pyrolysis of guayule biomass

- (Abstract Only)Mcmahan, C.M., Boateng, A.A., Cornish, K. 2010. Fast pyrolysis of guayule biomass. 239th American Chemical Society (ACS) Meeting and Exposition, March 21-25, San Francisco, CA.Guayule (Parthenium argentatum)pyrolysis and analysis by PY-GC/MS

- (Peer Reviewed Journal)Boateng, A.A., Mullen, C.A., McMahan, C.M., Whalen, M.C., Cornish, K. 2010. Guayule (Parthenium argentatum)pyrolysis and analysis by PY-GC/MS. Journal of Analytical & Applied Pyrolysis. 87:14-23.Guayule: Culture, breeding and rubber production

- (Book / Chapter)Ray, D.T., Foster, M.A., Coffelt, T.A., Mcmahan, C.M.  Guayule: Culture, Breeding and Rubber Production, Industrial Crops and Uses (2010), pp. 384-410.Rapid Field Measurement of Rubber Content in Russian Dandelion

- (Abstract Only)Mcmahan, C.M., Himmelsbach, D.S., Brichta, J.L., Chanon, A., Ehrensing, D., Kleinhenz, M.D., Whalen, M.C. 2009. Rapid Field Measurement of Rubber Content in Russian Dandelion. Association for the Advancement of Industrial Crops (AAIC) 2009 International Conference, Termas de Chillan, November 14-19th.Composite of Natural Rubber Extracted from Guayule Reinforced with Cellulose Microfibers

- (Proceedings)Malmonge, J.A., Medeiros, E.S., Rosa, M.F., Wood, D.F., Mcmahan, C.M., Mattoso, L.H. 2009. Composite of Natural Rubber Extracted from Guayule Reinforced with Cellulose Microfibers. 10th Brazilian Polymer Congress, October 13-17, 2009, Iguassu Falls, PR, Brazil.Energy-dense liquid fuel intermediates by pyrolysis of guayule (Parthenium argentatum) shrub and bagasse

- (Peer Reviewed Journal)Boateng, A.A., Mullen, C.A., Goldberg, N.M., Hicks, K.B., Mcmahan, C.M., Whalen, M.C., Cornish, K. 2009. Energy-dense liquid fuel intermediates by pyrolysis of guayule (Parthenium argentatum) shrub and bagasse. Fuel. 88:2207-2215.Biological feedstock development as part of the domestication and commercialization of Taraxacum kok-saghyz, a potential domestic source of natural rubber and inulin: progress and outlook

- (Abstract Only)Kleinhenz, M.D., Michel, F.C., Chanon, A.M., Ehrensing, D., Miller, R.A., Streeter, J.G., Seiple, R., Ohlemacher, C., Mcmahan, C.M., Shintani, D., Myers, S.C., Ravlin, F.W. 2009. Biological feedstock development as part of the domestication and commercialization of Taraxacum kok-saghyz, a potential domestic source of natural rubber and inulin: progress and outlook. American Chemical Society (ACS) Rubber Division Meeting, Pittsburgh, PA, October 12-16, 2009.The functional analyses of the cis-prenyltransferase and the rubber elongation factor in rubber biosynthesis

- (Abstract Only)Shintani, D., Collins, J., Distefano, M., Hathwaik, U., Henry, O., Mcmahan, C.M., Whalen, M.C., Xie, W. 2009. The functional analyses of the cis-prenyltransferase and the rubber elongation factor in rubber biosynthesis. Terpnet 2009.Expression of the cytoplasmic mevalonate pathway in chloroplasts

- (Abstract Only)Whalen, M.C., Kumar, S., Lin, J.T., Hahn, F.M., Cornish, K., Mcmahan, C.M. 2009. Expression of the cytoplasmic mevalonate pathway in chloroplasts. Terpnet 2009.Natural Rubber from Domestic Crops

- (Abstract Only)Mcmahan, C.M. 2009. Natural Rubber from Domestic Crops. American Chemical Society (ACS) Rubber Division Meeting, Pittsburgh, PA, October 12-16, 2009.INVESTIGATION OF THE COMPOSITION AND GROWTH OF IN-VITRO NATURAL RUBBER USING HIGH RESOLUTION SIZE EXCLUSION CHROMATOGRAPHY

- (Proceedings)Puskas, J.E., Chiang, C.K., Heidenreich, A., Xie, W., McMahan, C.M. 2009. Investigation of the composition and growth of in-vitro natural rubber using high resolution size exclusion chromatography. Polymer Preprints 2009, 50(1):232-233.Comparative study on the technological properties of latex and natural rubber from Hancornia speciosa Gomes and Hevea brasiliensis

- (Peer Reviewed Journal)Malmonge, J.A., Camilo, E.C., Moreno, R.M., Mcmahan, C.M., Mattoso, L. 2009. Comparative study on the technological properties of latex and natural rubber from Hancornia speciosa Gomes and Hevea brasiliensis. Journal of Applied Polymer Science. 111:2986-2991.Initiation of rubber biosynthesis: in vitro comparisons of benzophenone-modified diphosphate analogue structure in three natural rubber-producing species

- (Peer Reviewed Journal)Xie, W., Mcmahan, C.M., Whalen, M.C., Distefano, M., Degraw, A., Cornish, K., Shintani, D. 2008. Initiation of rubber biosynthesis: in vitro comparisons of benzophenone-modified diphosphate analogue structure in three natural rubber-producing species. Phytochemistry. 69:2539-2545.BIO-OIL FROM GUAYULE BAGASSE

- (Abstract Only)Mcmahan, C.M., Mullen, C.A., Boateng, A.A., Goldberg, N.M., Hicks, K.B., Cornish, K., Whalen, M.C. 2008. Bio-oil from guayule bagasse. Association for the Advancement of Industrial Crops 2008 Annual Meeting, September 7-11, College Station, TX.Standard Operating Protocol for Growing Transgenic Sunflower Plants in Contained Environments

- (Peer Reviewed Journal)Pearson, C.H., Rath, D.J., Mcmahan, C.M., Cornish, K., Whalen, M.C. 2008. Standard Operating Protocol for Growing Transgenic Sunflower Plants in Contained Environments. Crop Management at www.cropmanagement.org. 10.1094/CM-2008-0910-01-PS. Available:  http://plantmanagementnetwork.org/pub/cm/perspective/2008/protocol/.HIGH-PERFORMANCE STEREOSPECIFIC ELASTOMERS FROM BIOREACTORS

- (Proceedings)Mcmahan, C.M., Whalen, M.C. 2008. High-performance stereospecific elastomers from bioreactors. International Latex Conference, Cleveland, OH, July 22-23, 2008. pp 130-143.Identification of the composition and growth of in vitro natural rubber using high resolution size exclusion chromatography

- (Proceedings)Puskas, J.E., Chiang, C.K., Heidenreich, A., Xie, W., Mcmahan, C.M. 2008. Identification of the composition and growth of in vitro natural rubber using high resolution size exclusion chromatography. American Chemical Society Rubber Division Meeting, Louisville, KY, October 14-16, 2008.IDENTIFICATION OF THE COMPOSITION AND GROWTH OF IN VITRO NATURAL RUBBER USING HIGH RESOLUTION SIZE EXCLUSION CHROMATOGRAPHY

- (Abstract Only)Chiang, K.C., Heidenreich, A., Puskas, J., Xie, W., Mcmahan, C.M. 2008. IDENTIFICATION OF THE COMPOSITION AND GROWTH OF IN VITRO NATURAL RUBBER USING HIGH RESOLUTION SIZE EXCLUSION CHROMATOGRAPHY. American Chemical Society Rubber Division, 174th Technical Meeting, October 14-16, 2008, Louisville, KY.POST-HARVEST STORAGE EFFECTS ON GUAYULE LATEX, RUBBER, AND RESIN CONTENTS AND YIELDS

- (Peer Reviewed Journal)Coffelt, T.A., Nakayama, F.S., Ray, D.T., Cornish, K., McMahan, C.M. 2009. Post-harvest storage effects on guayule latex and rubber yields. Industrial Crops and Products. 29(2-3):326-335.Unraveling the Mystery of Natural Rubber Biosynthesis

- (Proceedings)Puskas, J.E., Li, H., Lindsay, A., Deffieux, A., Peruch, F., Mcmahan, C.M., Xie, W. 2008. Unraveling the Mystery of Natural Rubber Biosynthesis. Proceedings of the International Latex Conference Meeting, Independence, OH, July 22-23, 2008.  p. 192-194.Development of microsatellite markers in Parthenium ssp.

- (Abstract Only)Brown, A., Mcmahan, C.M., Shintani, D., Whalen, M.C. 2008. Development of microsatellite markers in Parthenium ssp. Association for the Advancement of Industrial Crops.THERMOOXIDATIVE STUDY OF RAW NATURAL RUBBER FROM BRAZILIAN IAC 300 SERIES CLONES

- (Peer Reviewed Journal)Martins, M.A., Moreno, R.M., McMahan, C.M., Brichta, J.L. 2008. Thermooxidative study of raw natural rubber from Brazilian IAC 300 series clones. Thermochimica Acta. 474:62-66.Plant Population, Planting Date, and Germplasm Effects on Guayule Latex, Rubber and Resin Yields

- (Peer Reviewed Journal)Coffelt, T.A., Nakayama, F.S., Ray, D.T., Cornish, K., Mcmahan, C.M., Williams, C.F. 2009.  Plant Population, Planting Date, and Germplasm Effects on Guayule Latex, Rubber and Resin Yields. Industrial Crops and Products. 29(1):255-260.Guayule Latex: Physical and Chemical Properties

- (Trade Journal)Mcmahan, C.M., Williams, J., Cornish, K. 2007. Guayule Latex: Physical and Chemical Properties.  37:16-18. . Trade Journal Publication.The rationale for transforming sunflower into a rubber-producing crop

- (Proceedings)Pearson, C.H., Cornish, K., Mcmahan, C.M., Whalen, M.C., Rath, D., Dong, N., Wong, S.R. 2007. The rationale for transforming sunflower into a rubber-producing crop. Proceedings Assoc for Advancement of Industrial Crops (AAIC) Annual Meeting.  In:  Issues in New Crops and New Uses, Editors, Janick, J. and Whipkey, A. Alexandria, Virginia, American Society for Horticultural Science Press. p. 72-77.Using Peat Pellets in Liquid Media to Root Sunflower Tissue Culture Plants

- (Proceedings)Pearson, C.H., Cornish, K., Mcmahan, C.M., Whalen, M.C., Rath, D., Dong, N., Wong, S.R. 2007. Using Peat Pellets in Liquid Media to Root Sunflower Tissue Culture Plants. Proceedings Assoc for Advancement of Industrial Crops (AAIC) Annual Meeting.  In:  Issues in New Crops and New Uses, Editors, Janick, J. and Whipkey, A. Alexandria, Virginia, American Society for Horticultural Science Press. p. 78-81.Natural Rubber Biosynthesis and a Profitable Guayule Crop

- (Abstract Only)Cornish, K., McMahan, C.M. 2007. Natural Rubber Biosynthesis and a Profitable Guayule Crop. Annual Meeting of the Phytochemical Society of North America.The Functional Identification of Rubber Biosynthetic Genes in Plants

- (Abstract Only)Shintani, D.K., Whalen, M.C., Mcmahan, C.M., Cornish, K., Distefano, M. 2007. The Functional Identification of Rubber Biosynthetic Genes in Plants.  Annual Meeting of the Phytochemical Society of North America.Elemental Analysis and Protein Quantification of Raw Natural Rubber of IAC Series 400 Clones

- (Proceedings)Martins, M.A., Mcmahan, C.M., Goncaves, P.S., Mattoso, L.H. 2007. Elemental Analysis and Protein Quantification of Raw Natural Rubber of IAC Series 400 Clones. Proceedings of the 11th International Seminar on Elastomers.Development of Crops To Produce Industrially Useful Natural Rubber

- (Abstract Only)Whalen, M.C., Xie, W., Mcmahan, C.M., Shintani, D. 2007. Development of Crops To Produce Industrially Useful Natural Rubber.  Terpnet 2007.A photoactive isoprenoid diphosphate analogue containing a stable phosphonate linkage: synthesis and biochemical studies with prenyltransferases

- (Peer Reviewed Journal)Degraw, A.J., Zhao, Z., Strickland, C.L., Taban, A., Hsieh, J., Jeffries, M., Xie, W., Shintani, D., Mcmahan, C.M., Cornish, K., Distefano, M. 2007. A photoactive isoprenoid diphosphate analogue containing a stable phosphonate linkage: synthesis and biochemical studies with prenyltransferases. Journal of Organic Chemistry.  72: 4587-4595.PARTICLE SIZE INVESTIGATION ON NATURAL RUBBER FROM DIFFERENT CLONES OF BRAZILIAN IAC SERIES

- (Proceedings)Martins, M.A., Mcmahan, C.M., Wood, D.F., Moreno, R.M., Mattoso, L.H., Goncalves, P.S. 2007. Particle size investigation on natural rubber from different clones of Brazilian IAC series. The 6th International Symposium on Natural Polymers and Composites, XI International Macromolecular Colloquium, April 22-25, 2007, Gramado, Brazil.The Potential for Sunflower as a Rubber-Producing Crop for the United States

- (Proceedings)Cornish, K., Pearson, C.H., Rath, D., Dong, N., McMahan, C.M., Whalen, M.C. 2006. The Potential for Sunflower as a Rubber-Producing Crop for the United States. Proceedings of the First Symposium on Sunflower Industrial Uses, University of Udine, Italy; September 10-14, 2006.POST-HARVEST STORAGE EFFECTS ON GUAYULE LATEX QUALITY FROM AGRONOMIC TRIALS

- (Peer Reviewed Journal)McMahan, C.M., Cornish, K., Coffelt, T.A., Nakayama, F.S., Mccoy, R., Brichta, J.L., Ray, D. 2006. Post-harvest Storage Effects on Guayule Latex Quality from Agronomic Trials. Industrial Crops and Products.  24:321-328.MAGNESIUM ION REGULATION OF THE IN VITRO RUBBER BIOSYNTHESIS BY PARTHENIUM ARGENTATUM GRAY

- (Peer Reviewed Journal)Dacosta, B.M., Keasling, J.D., Mcmahan, C.M., Cornish, K. 2006. Magnesium ion regulation of the in vitro rubber biosynthesis by parthenium argentatum gray. Phytochemistry.MAGNESIUM ION REGULATION OF IN VITRO RUBBER BIOSYNTHESIS BY PARTHENIUM ARGENTATUM GRAY

- (Peer Reviewed Journal)Dacosta, B.M., Keasling, J.D., Mcmahan, C.M., Cornish, K. 2006. Magnesium Ion Regulation of In Vitro Rubber Biosynthesis by Parthenium Argentatum Gray. Phytochemistry.  67:  1621-1628.ASTM D1076 CATEGORY 4 LATEX AND QUANTIFYING GUAYULE (NRG) AND HEVEA (NR) LATEX PROTEIN

- (Proceedings)Cornish, K., McMahan, C.M., Xie, W., Williams, J., Nguyen, K.C., Kostyal, D., Marsh, D.T. 2006. Astm d1076 category 4 latex and quantifying guayule (nrg) and hevea (nr) latex protein. Proceedings of the International Latex Conference.  pp. 246-261.Biotechnological Development of Domestic Rubber Producing Crops

- (Trade Journal)Cornish, K., McMahan, C.M., Pearson, C.H., Ray, D.T., Shintani, D.K. 2005. Domestic rubber producing crops. Rubber World. 233(2):40-44.BIOTECHNOLOGICAL DEVELOPMENT OF RUBBER-PRODUCING CROPS

- (Trade Journal)Cornish, K., McMahan, C.M., Pearson, C.H., Ray, D.T., Shintani, D. 2005. Biotechnological Development of Rubber-Producing Crops. Rubber World.  233(2):40-44POST-HARVEST STORAGE EFFECTS ON GUAYULE LATEX QUALITY FROM AGRONOMIC TRIALS

- (Proceedings)Mcmahan, C.M., Cornish, K., Mccoy, R.G., Brichta, J.L., Wilson, S., Coffelt, T.A., Nakayama, F.S., Ray, D.T. 2005. Post-harvest storage effects on guayule latex quality from agronomic trials. International Conference on Industrial Crops and Rural Development Proceedings. p. 575-596.POST-HARVEST STORAGE CONDITIONS ON GUAYULE LATEX QUALITY FROM AGRONOMIC TRIALS

- (Proceedings)Mcmahan, C.M., Cornish, K., Mccoy, R.G., Brichta, J.L., Wilson, S., Coffelt, T.A., Nakayama, F.S., Ray, D.T. 2005.  Post-harvest storage conditions on guayule latex quality from agronomic trials.  In: M.J. Pascual-Villalobos, F. S. Nakayama, C.A. Bailey, E. Correal and W.W. Schloman, Jr., editors.  Proceedings of the Association for Advancement of Industrial Crops (AAIC) Annual Meeting, Murcia, Spain, September 17-21, 2005.  pp. 575-596.QUANTIFYING NATURAL RUBBER IN HELIANTHUS ANNUUS USING THE DIONEX ASE 200

- (Proceedings)Rath, D.J., Pearson, C.H., Cornish, K., Mcmahan, C.M., Scott, D.J. 2005. Quantifying natural rubber in helianthus annuus using the dionex ase 200. Proceedings of American Chemical Society National Meeting. P.59BIOTECHNOLOGICAL DEVELOPMENT OF RUBBER-PRODUCING CROPS

- (Proceedings)Cornish, K., Mcmahan, C.M., Pearson, C.H., Ray, D.T., Shintani, D. 2005. Biotechnological development of rubber-producing crops. Proceedings of American Chemical Society National Meeting. P.57DYNAMIC MECHANICAL PROPERTIES OF LATEX FILMS

- (Proceedings)McMahan, C.M., Pawlowski, H.A., Cornish, K., Williams, J. 2005. Dynamic Mechanical Properties of Latex films.  Rubber Division, American Chemical Society.FACTORS AFFECT AGROBACTERIUM-MEDIATED SUNFLOWER TRANSFORMATION.

- (Proceedings)Dong, N., Williams, N.T., Mcmahan, C.M., Rath, D., Pearson, C., Cornish, K. 2005. Factors affect agrobacterium-mediated sunflower transformation.. In Vitro Biology Meeting. 41, p. 30-A, Spring 2005.CROSSLINKING OF LATEX FILMS: A DYNAMIC MECHANICAL APPROACH

- (Proceedings)McMahan, C.M., Pawlowski, H.A., Williams, J. 2005. Crosslinking of latex films: a dynamic mechanical approach. Latex International Conference Proceedings. p.7-22.CHARACTERIZATION OF GUAYULE LATEX: VARIATION ACROSS LINES AND PLANT TISSUES

- (Proceedings)Cornish, K., Mcmahan, C.M., Mccoy, R.G., Van Fleet, J.E., Fowler, J.L. Characterization of guayule latex: variation across lines and plant tissues. Latex International Conference Proceedings. p. 239-254. 2004CHARACTERIZATION OF GUAYULE LATEX: VARIATION ACROSS LINES AND PLANT TISSUES

- (Proceedings)Cornish, K., Mcmahan, C.M., Mccoy, R.G., Van Fleet, J.E., Fowler, J.L. 2004. Characterization of guayule latex: variation across lines and plant tissues. Meeting Proceedings.p. 239-254.
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