Patrick J. Tranel

Associate Head

Dr. Tranel uses molecular and genomic approaches to investigate how weeds evolve in response to farmers’ attempts to manage them. His work aids in the development of effective, sustainable weed management systems.

Primary Disciplines

Research Interests

  • PLANT PROTECTION

Chapters in Books

  • Trucco, F. and P. J. Tranel. 2011. Amaranthus. Pp 11-21 in C. Kole (ed.) Wild Crop Relatives: Genomic and Breeding Resources: Vegetables. Springer, New York.
  • Stewart, C. N., Jr., Y. Peng, L. G. Abercrombie, M. D. Halfhill, M. R. Rao, P. Ranjan,  J Hu, R. D. Sammons, G. R. Heck, P. J. Tranel, and J. S. Yuan. 2010. Genomics of glyphosate resistance. Pp 149-164 in V. Nandula (ed.) Glyphosate Resistance in Weeds. Blackwell Publishing, Ames.
  • Tranel, P. J. and F. Trucco. 2009. 21st-century weed science: A call for Amaranthus genomics. Pp 53-81 in C. N. Stewart Jr. (ed.) Weedy and Invasive Plant Genomics. Blackwell Publishing, Ames.
  • Hu, J., P. J. Tranel, C. N. Stewart Jr., and J. S. Yuan. 2009. Molecular and genomic mechanisms of non-target-site herbicide resistance. Pp 149-161 in C. N. Stewart Jr. (ed.) Weedy and Invasive Plant Genomics. Blackwell Publishing, Ames.
  • Tranel, P. J. and F. Trucco. 2004. Molecular biology applied to weed science. Pages 745-747 In R. M. Goodman (ed.) Encyclopedia of Plant and Crop Science. Dekker, New York.
  • Tranel, P. J. 2002.Weeds and weed control strategies, Chapter 17. Pp. 446-471 in M.J. Chrispeels and D. E. Sadava (eds.) Plants, Genes, and Crop Biotechnology, 2nd Edition. Jones and Bartlett Publishers, Boston.

Selected Articles in Journals

  • Research Papers
  • Patterson, E. L., C. A. Saski, D. B. Sloan, P. J. Tranel, P. Westra, and T. A. Gaines. 2019. The draft genome of Kochia scoparia and the mechanism of glyphosate resistance via transposon-mediated EPSPS tandem gene duplication. Genome Biol. Evol. 11:2927-2940.
  • Kreiner, J. M., D. A. Giacomini, F. Bemm, B. Waithaka, J. Regalado, C. Lanz, J. Hildebrandt, P. H. Sikkema, P. J. Tranel, D. Weigel, J. R. Stinchcombe, and S. I. Wright. 2019. Multiple modes of convergent adaptation in the spread of glyphosate-resistant Amaranthus tuberculatus. Proc. Natl. Acad. Sci. U.S.A. 116:21076-21084.
  • Lillie, K. J., D. A. Giacomini, and P. J. Tranel. 2019. Comparing responses of sensitive and resistant populations of Palmer amaranth (Amaranthus palmeri) and waterhemp (Amaranthus tuberculatus var. rudis) to PPO inhibitors. Weed Technol. In press.
  • Benoit, L., B. Hedges, M. Schryver, N. Soltani, D. Hooker, D. Robinson, M. Laforest, B. Soufiane, P. J. Tranel, D. Giacomini, and P. Sikkema. 2019. The first record of PPO-inhibitor and 4-way herbicide resistance in eastern Canada. Can. J. Plant Sci. In press.
  • Lillie, K. J., D. A. Giacomini, J. D. Green, and P. J. Tranel. 2019. Coevolution of resistance to PPO inhibitors in waterhemp (Amaranthus tuberculatus) and Palmer amaranth (Amaranthus palmeri). Weed Sci. 67:521-526.
  • Montgomery, J. S., A. Sadeque, D. A. Giacomini, P. J. Brown, and P. J. Tranel. 2019. Sex-specific markers for waterhemp (Amaranthus tuberculatus) and Palmer amaranth (Amaranthus palmeri). Weed Sci. 67:412-418.
  • Casale, F. A., D. A. Giacomini, and P. J. Tranel. 2019. Empirical investigation of mutation rate for herbicide resistance. Weed Sci. 67:361-368.
  • Evans, C., S. A. Strom, D. E. Riechers, A. S. Davis, P. J. Tranel, and A. G. Hager. 2019. Characterization of a waterhemp (Amaranthus tuberculatus) population from Illinois resistant to herbicides from five site-of-action groups. Weed Technol. 33:400-410.
  • Murphy, B. P., A. S. Larran, B. Ackley, M. M. Loux, and P. J. Tranel. 2019. Survey of glyphosate-, atrazine- and lactofen-resistance mechanisms in Ohio waterhemp (Amaranthus tuberculatus) populations. Weed Sci. 67:296-302.
  • Copeland, J. D., D. A. Giacomini, P. J. Tranel, G. B. Montgomery, and L. E. Steckel. 2018. Distribution of PPX2 mutations conferring PPO-inhibitor resistance in Palmer amaranth populations of Tennessee. Weed Technol. 32:592-596.
  • Evans, J. E., A. Williams, A. G. Hager, S. B. Mirsky, P. J. Tranel, and A. S. Davis. 2018. Confronting herbicide resistance with cooperative management. Pest Manag. Sci. 74:2424-2431.
  • Nandula, V. K., G. B. Montgomery, A. R. Vennapusa, M. Jugulam, D. A. Giacomini, J. D. Ray, J. A. Bond, L. E. Steckel, and P. J. Tranel. 2018. Glyphosate-resistant Echinochloa colona from Mississippi and Tennessee: magnitude and resistance mechanisms. Weed Sci. 66:603-610.
  • Figueiredo, M.R.A., L. J. Leibhart, Z. J. Reicher, P. J. Tranel, S. J. Nissen, P. Westra, M. L. Bernards, G. R. Kruger, T. A. Gaines, and M. Jugulam. 2018. Metabolism of 2,4-dichlorophenoxyacetic acid contributes to resistance in a common waterhemp (Amaranthus tuberculatus) population. Pest Manag. Sci. 74:2356-2362.
  • Kuepper A., F. Peter, P. Zoellner, L. Lorentz, P. J. Tranel, R. Beffa, and T. A. Gaines. 2018. Tembotrione detoxification in 4-hydroxyphenylpryuvate dioxygenase (HPPD) inhibitor-resistant Palmer amaranth (Amaranthus palmeri S. Wats.) Pest Manag. Sci. 74:2325-2334.
  • Schryver, M., N. Soltani, D. C. Hooker, D. E. Robinson, P. J. Tranel and P. H. Sikkema. 2018. Control of glyphosate resistant waterhemp (Amaranthus tuberculatus var. rudis) with dicamba and dimethenamid-P in Ontario. Can. J. Plant Sci. 98:362-369.
  • Murphy, B. P. and P. J. Tranel. 2018. Identification and validation of Amaranthus species-specific SNPs within the ITS region: applications in quantitative species identification. Crop Sci. 58:304-311.
  • Wu, C., A. S. Davis, and P. J. Tranel. 2018. Limited fitness costs of multiple herbicide-resistance traits in Amaranthus tuberculatus facilitate resistance evolution. Pest Manag. Sci. 74:293-301.
  • Schryver, M., N. Soltani, D. C. Hooker, D. E. Robinson, P. J. Tranel and P. H. Sikkema. 2017. Control of glyphosate-resistant common waterhemp (Amaranthus rudis) in three new herbicide-resistant soybean varieties in Ontario. Weed Technol. 31:828-837.
  • Schryver, M., N. Soltani, D. C. Hooker, D. E. Robinson, P. J. Tranel and P. H. Sikkema. 2017. Control of glyphosate-resistant common waterhemp (Amaranthus tuberculatus var. rudis) in soybean in Ontario. Weed Technol, 31:811-821.
  • Murphy, B. P., D. E. Plewa, E. Phillippi, S. M. Bissonnette, and P. J. Tranel. 2017. A quantitative assay for Amaranthus palmeri identification. Pest Manag Sci. 73:2221-2224.
  • Schryver, M. G., N. Solatani, D. C. Hooker, D. E. Robinson, P. J. Tranel, and P. H. Sikkema. 2017. Glyphosate-resistant waterhemp (Amaranthus tuberculatus var. rudis) in Ontario, Canada. Can. J. Plant Sci. 97:1057-1067
  • Giacomini, D. A., A. M. Umphres, H. Nie, T. C. Mueller, L. E. Steckel, B. G. Young, R. C. Scott, and P. J. Tranel. 2017. Two new PPX2 mutations associated with resistance to PPO-inhibiting herbicides in Amaranthus palmer. Pest Manag Sci. 73:1559-1563.
  • Dillon, A., V. K. Varanasi, T. V. Danilova, D. Koo, S. Nakka, D. E. Peterson, P. J. Tranel, B. Friebe, B. S. Gill, and M. Jugulam. 2017. Physical mapping of amplified copies of the 5-enolypyruvylshikimate-3-phosphate synthase gene in glyphosate-resistant Amaranthus tuberculatus. Plant Physiol. 173:1226-1234.
  • P. J. Tranel, C. Wu, and A. Sadeque. 2017. Target-site resistances to ALS and PPO inhibitors are linked in waterhemp (Amaranthus tuberculatus). Weed Sci. 65:4-8.
  • Salas, R. A., N. R. Burgos, P. J. Tranel, S. Singh, L. Glasgow, R. C. Scott, and R. L. Nichols. 2016. Resistance to PPO-inhibiting herbicide in Palmer amaranth from Arkansas. Pest Manag. Sci. 72:864-869.
  • Hausman, N. E., P. J. Tranel, D. E. Riechers, and A. G. Hager. 2016. Responses of a waterhemp (Amaranthus tuberculatus) population resistant to HPPD-inhibiting herbicides to foliar-applied herbicides. Weed Technol. 30:106-115.
  • Huffman, J. L., C. W. Riggins, L. E. Steckel, and P. J. Tranel. 2016. The EPSPS Pro106Ser substitution solely accounts for glyphosate resistance in a goosegrass (Eleusine indica) population from Tennessee, United States. J. Integr. Agric. 15:1304-1312.
  • Evans, J. A., P. J. Tranel, A. G. Hager, B. Schutte, C. Wu, L. A. Chatham, and A. S. Davis. 2016. Managing the evolution of herbicide resistance. Pest Manag. Sci. 72:74-80.
  • Huffman, J., N. E. Hausman, A. G. Hager, D. E. Riechers, and P. J. Tranel. 2015. Genetics and inheritance of nontarget-site resistances to atrazine and mesotrione in a waterhemp (Amaranthus tuberculatus) population from Illinois. Weed Sci. 63:799-809.
  • Wuerffel, R. J., J. M. Young, R. M. Lee, P. J. Tranel, D. A. Lightfoot, and B. G. Young. 2015. Distribution of the ΔG210 protoporphyrinogen oxidase mutation in Illinois waterhemp (Amaranthus tuberculatus) and an improved molecular method for detection. Weed Sci. 63:839-845.
  • Chatham, L. A., K. W. Bradley, G. R. Kruger, J. R. Martin, M.D.K. Owen, D. E. Peterson, J. Mithila, and P. J. Tranel. 2015. A multi-state study of the association between glyphosate resistance and EPSPS gene amplification in waterhemp (Amaranthus tuberculatus). Weed Sci. 63:569-577.
  • Guo, J., C. W. Riggins, N. E. Hausman, A. G. Hager, D. E. Riechers, A. S. Davis, and P. J. Tranel. 2015. Non-target-site resistance to ALS inhibitors in waterhemp (Amaranthus tuberculatus). Weed Sci. 63:399–407.
  • Wuerffel, R. J., J. M. Young, P. J. Tranel, and B. G. Young. 2015. Soil-residual PPO-inhibiting herbicides influence the frequency of associated resistance in Amaranthus tuberculatus. Weed Sci. 63:529–538.
  • Chatham, L. A., C. Wu, C. W. Riggins, A. G. Hager, B. G. Young, G. K. Roskamp, and P. J. Tranel. 2015. EPSPS gene amplification is present in the majority of glyphosate-resistant Illinois waterhemp (Amaranthus tuberculatus) populations. Weed Technol. 29:48-55.
  • Schultz, J. L., L. A. Chatham, C. W. Riggins, P. J. Tranel, and K. W. Bradley. 2015. Distribution of herbicide resistances and molecular mechanisms conferring resistance in Missouri waterhemp (Amaranthus rudis) populations. Weed Sci. 63:336-345.
  • Tatum-Parker, T., F. Trucco, P. A.[sic] Tranel, and A. L. Rayburn. 2015. Micropollen formation in F1 hybrids and backcrosses of waterhemp (Amaranthus tuberculatus) x smooth pigweed (A. hybridus) as a quick method for determination of interspecific hybridization events. J. Agric. Sci. 7:1-7.
  • Yang, S., G. Hao, F. E. Dayan, P. J. Tranel, and G. Yang. 2013. Insight into the structural requirements of protoporphyrinogen oxidase inhibitors: molecular docking and CoMFA of diphenyl ether, isoxazole phenyl, and pyrazole phenyl ether. Chinese J. Chem. 31:1153-1158.
  • Brenner, D. M., W. G. Johnson, C. L. Sprague, P. J. Tranel, and B. G. Young. 2013. Crop-weed hybrids are more frequent for the grain amaranth ‘Plainsman’ than for ‘D136-1’. Genet. Resour. Crop. Evol. 60:2201-2205.
  • Hausman, N. E., P. J. Tranel, D. E. Riechers, D. J. Maxwell, L. C. Gonzini, and A. G. Hager. 2013. Responses of an HPPD inhibitor-resistant waterhemp (Amaranthus tuberculatus) population to soil-residual herbicides. Weed Technol. 27:704-711.
  • Ma, R., S. S. Kaundun, P. J. Tranel, C. W. Riggins, D. L. McGinness, A. G. Hager, T. R. Hawkes, E. McIndoe, and D. E. Riechers. 2013. Distinct detoxification mechanisms confer resistance to mesotrione and atrazine in a population of waterhemp (Amaranthus tuberculatus). Plant Physiol. 163:363-377.
  • Gaines, T. A., A. A. Wright, W. T. Molin, L. Lorentz, C. W. Riggins, P. J. Tranel, R. Beffa, P. Westra, and S. B. Powles. 2013. Identification of genetic elements associated with EPSPS gene amplification. PLoS ONE 8(6): e65819. doi:10.1371/journal.pone.0065819.
  • Bell, M. S., A. G. Hager, and P. J. Tranel. 2013. Multiple resistance to herbicides from four site-of-action groups in waterhemp (Amaranthus tuberculatus). Weed Sci. 61:460-468.
  • Panozzo, S., L. Scarabel, P. J. Tranel, and M. Sattin. 2013. Target-site resistance to ALS inhibitors in the polyploid species Echinochloa crus-galli. Pestic. Biochem. Physiol. 105:93-101.
  • Liu, J., A. S. Davis, and P. J. Tranel. 2012. Pollen biology and dispersal dynamics in waterhemp (Amaranthus tuberculatus). Weed Sci. 60:416-422.
  • Rousonelos, S. L. R. M. Lee, M. S. Moreira, M. J. VanGessel, and P. J. Tranel. 2012. Characterization of a common ragweed (Ambrosia artemisiifolia) population resistant to ALS- and PPO-inhibiting herbicides. Weed Sci. 60:335-344.
  • Bernards, M. L., R. J. Crespo, G. R. Kruger, R. Gaussoin, and P. J. Tranel. 2012. A waterhemp (Amaranthus tuberculatus) population resistant to 2,4-D. Weed Sci. 60:379-384.
  • Riggins, C. W., and P. J. Tranel. 2012. Will the Amaranthus tuberculatus resistance mechanism to PPO-inhibiting herbicides evolve in other Amaranthus species? Int. J. Agron. Vol. 2012, doi:10.1155/2012/305764.
  • Zheng, D., G. R. Kruger, S. Singh, V. M. Davis, P. J. Tranel, S. C. Weller, and W. G. Johnson. 2011. Cross-resistance of horseweed (Conyza canadensis) populations with three different ALS mutations.Pest Manag. Sci. 67:1486-1492.
  • Hausman, N. E., S. Singh, P. J. Tranel, D. E. Riechers, S. S. Kaundun, N. D. Polge, D. A. Thomas, and A. G. Hager. 2011. Resistance to HPPD-inhibiting herbicides in a population of waterhemp (Amaranthus tuberculatus) from Illinois, United States. Pest Manag. Sci. 67:258-261.
  • Thinglum, K. A., C. W. Riggins, A. S. Davis, K. W. Bradley, K. Al-Khatib, and P. J. Tranel. 2011. Wide distribution of the waterhemp (Amaranthus tuberculatus) deltaG210 PPX2 mutation, which confers resistance to PPO-inhibiting herbicides. Weed Sci. 59:22-27.
  • Riggins, C. W., Y. Peng, C. N. Stewart Jr., and P. J. Tranel. 2010. Characterization of de novo transcriptome for waterhemp (Amaranthus tuberculatus) using GS-FLX 454 pyrosequencing and its application for studies of herbicide target-site genes. Pest Manag. Sci. 66:1042-1052. [Also see associated Commentary (66:1041)].
  • Peng, Y., L. G. Abercrombie, J. S. Yuan, C. W. Riggins, R. D. Sammons, P. J. Tranel, and C. N. Stewart Jr. 2010. Characterization of the horseweed (Conyza canadensis) transcriptome using GS-FLX 454 pyrosequencing and its application for expression analysis of non-target herbicide resistance genes. Pest Manag. Sci. 66:1053-1062. [Also see associated Commentary (66:1041)].
  • Dayan, F. E., P. R. Daga, S. O. Duke, R. M. Lee, P. J. Tranel, and R. J. Doerksen. 2010. Biochemical and structural consequences of a glycine deletion in the alpha-8 helix of protoporphyrinogen oxidase. Biochim. Biophys. Acta 1804:1548-1556.
  • Bell, M. S. and P. J. Tranel. 2010. Time requirements from pollination to seed maturity in waterhemp (Amaranthus tuberculatus). Weed Sci. 58:167-173.
  • Gaines, T. A., W. Zhang, D. Wang, B. Bukun, S. T. Chisholm, D. L. Shaner, S. J. Nissen, W. L. Patzoldt, P. J. Tranel, A. S. Culpepper, T. L. Grey, T. M. Webster, W. K. Vencill, R. D. Sammons, J. Jiang, C. Preston, J. E. Leach, and P. Westra. 2010. Gene amplification confers glyphosate resistance in Amaranthus palmeri. Proc. Natl. Acad. Sci. USA. 107:1029-1034. [Also see associated Commentary (107:955-956)].
  • Davis, V. M., G. R. Kruger, S. G. Hallett, P. J. Tranel, and W. G. Johnson. 2010. Heritability of glyphosate resistance in Indiana horseweed (Conyza canadensis) populations. Weed Sci. 58:30-38.
  • Trucco, F., T. Tatum, A. L. Rayburn, and P. J. Tranel. 2009. Out of the swamp: Unidirectional hybridization with weedy species may explain the prevalence of Amaranthus tuberculatus as a weed. New Phytol. 184:819-827.
  • Lee, R. M., J. Thimmapuram, K. A. Thinglum, G. Gong, A. G. Hernandez, C. L. Wright, R. W. Kim, M. A. Mikel, and P. J. Tranel. 2009. Sampling the waterhemp (Amaranthus tuberculatus) genome using pyrosequencing technology. Weed Sci. 57: 463-469.
  • Zhu, J., W. L. Patzoldt, O. Radwan, P. J. Tranel, and S. J. Clough. 2009. Effects of photosystem-II-interfering herbicides atrazine and bentazon on the soybean transcriptome. Plant Gen. 2:191-205.
  • Zhu, J., W. L. Patzoldt, R. T. Shealy, L. O. Vodkin, S. J. Clough, and P. J. Tranel. 2008. Transcriptome response to glyphosate in sensitive and resistant soybean. J. Agric. Food Chem. 56:6355-6363.
  • Lee, R. M., A. G. Hager, and P. J. Tranel. 2008. Prevalence of a novel resistance mechanism to PPO-inhibiting herbicides in waterhemp (Amaranthus tuberculatus). Weed Sci. 56:371-375.
  • Hugie, J. A., G. A. Bollero, P. J. Tranel, and D. E. Riechers. 2008. Defining the rate requirements for synergism between mesotrione and atrazine in redroot pigweed (Amaranthus retroflexus). Weed Sci. 56:265-270.
  • Brotherton, J. E., M. R. Jeschke, P. J. Tranel, and J. M. Widholm. 2007. Identification of Arabidopsis thaliana variants with differential glyphosate responses. J. Plant Physiol. 164:1337-1345.
  • Volenberg, D. S., W. L. Patzoldt, A. G. Hager, and P. J. Tranel. 2007. Responses of contemporary and historical waterhemp (Amaranthus tuberculatus) accessions to glyphosate. Weed Sci. 55:327-333.
  • Volenberg, D. S., P. J. Tranel, J. F. Holt, F. W. Simmons, S. C. Weller, A. Sharkhuu, and D. E. Riechers. 2007. Assessment of two biotypes of Solanum ptycanthum that differ in resistance levels to imazamox. Weed Res. 47:353-363.
  • Patzoldt, W. L. and P. J. Tranel. 2007. Multiple ALS mutations confer herbicide resistance in waterhemp (Amaranthus tuberculatus). Weed Sci. 55:421-428.
  • Trucco, F., D. Zheng, A. J. Woodyard, J. R. Walter, T. C. Tatum, A. L. Rayburn, and P. J. Tranel. 2007. Non-hybrid progeny from crosses of dioecious amaranths: implications for gene flow research. Weed Sci. 55:119-122.
  • Patzoldt, W. L., A. G. Hager, J. S. McCormick, and P. J. Tranel. 2006. A codon deletion confers resistance to herbicides inhibiting protoporphyrinogen oxidase. Proc. Natl. Acad. Sci. USA. 103:12329-12334. [Also see associated In This Issue (103:1211-12212) and Commentary (103:12215-122160].
  • Trucco, F., T. Tatum, K. R. Robertson, A. L. Rayburn, and P. J. Tranel. 2006. Characterization of waterhemp (Amaranthus tuberculatus) x smooth pigweed (A. hybridus) F1 hybrids. Weed Technol. 20:14-22.
  • Trucco, F., A. G. Hager, and P. J. Tranel. 2006. Acetolactate synthase mutation conferring imidazolinone-specific herbicide resistance in Amaranthus hybridus. J. Plant Physiol. 163:475-479.
  • Tatum, T. C., R. Skirvin, P. J. Tranel, M. Norton, and A. L. Rayburn. 2005. In vitro procedure for obtaining mitotic chromosomes from weedy Amaranthus species. In Vitro Cell. Dev.-Pl. 41:844-847.
  • Rayburn, A. L., R. McCloskey, T. C. Tatum, M. R. Jeschke, and P. J. Tranel. 2005. Genome size analysis of weedy Amaranthus species. Crop Sci. 45:2557-2562.
  • Trucco, F., T. Tatum, A. L. Rayburn, and P. J. Tranel. 2005. Fertility, segregation at a herbicide-resistance locus, and genome structure in BC1 hybrids from two important weedy Amaranthus species. Mol. Ecol. 14:2717-2728.
  • Zheng, D., W. L. Patzoldt, and P. J. Tranel. 2005. Association of the W574L ALS substitution with resistance to cloransulam and imazamox in common ragweed (Ambrosia artemisiifolia). Weed Sci. 53:424-430.
  • Wassom, J. J. and P. J. Tranel. 2005. Amplified fragment length polymorphism-based genetic relationships among weedy Amaranthus species. J. Heredity. 96:410-416.
  • Trucco, F., M. R. Jeschke, A. L. Rayburn, and P. J. Tranel. 2005. Promiscuity in weedy amaranths: high frequency of female tall waterhemp (Amaranthus tuberculatus) x smooth pigweed (A. hybridus) hybridization under field conditions. Weed Sci. 53:46-54.
  • Patzoldt, W. L., P. J. Tranel, and A. G. Hager. 2005. A waterhemp (Amaranthus tuberculatus) biotype with multiple resistance across three herbicide sites of action. Weed Sci. 53:30-36.
  • Trucco, F., M. R. Jeschke, A. L. Rayburn, and P. J. Tranel. 2005. Amaranthus hybridus can be pollinated frequently by A. tuberculatus under field conditions. Heredity 94:64-70.
  • Maertens, K. D., C. L. Sprague, P. J. Tranel, and R. A. Hines. 2004. Amaranthus hybridus populations resistant to triazine and acetolactate synthase-inhibiting herbicides. Weed Res. 44:21-26.
  • Tranel, P. J., W. Jiang, W. L. Patzoldt, and T. R. Wright. 2004. Intraspecific variability of the acetolactate synthase gene. Weed Sci. 52:236-241.
  • Patzoldt, W. L., B. S. Dixon, and P. J. Tranel. 2003. Triazine resistance in Amaranthus tuberculatus (Moq) Sauer that is not site-of-action mediated. Pest Manag. Sci. 59:1134-1142.
  • Wassom, J. J., A. W. Knepp, P. J. Tranel, and L. M. Wax. 2003. Variability in photosynthetic rates and accumulated biomass among greenhouse-grown common cocklebur (Xanthium strumarium) accessions. Weed Technol. 17:84-88.
  • Ainsworth, E. A., P. J. Tranel, B. G. Drake, and S. P. Long. 2003. The clonal structure of Quercus geminata revealed by conserved microsatellite loci. Mol. Ecol. 12:527-532.
  • Tranel, P. J., M. R. Jeschke, J. J. Wassom, D. J. Maxwell, and L. M. Wax. 2003. Variation in soybean (Glycine max (L.) Merr.) interference among common cocklebur (Xanthium strumarium L.) accessions. Crop Prot. 22:375-380.
  • Jeschke, M. R., P. J. Tranel, and A. L. Rayburn. 2003. DNA content analysis of smooth pigweed (Amaranthus hybridus) and tall waterhemp (A. tuberculatus): implications for hybrid detection. Weed Sci. 51:1-3.
  • Patzoldt, W. L., P. J. Tranel, and A. G. Hager. 2002. Variable herbicide responses among Illinois waterhemp (Amaranthus rudis and A. tuberculatus) populations. Crop Prot. 21:707-712.
  • Patzoldt, W. L. and P. J. Tranel. 2002. Molecular analysis of cloransulam resistance in a population of giant ragweed. Weed Sci. 50:299-305.
  • Tranel, P. J., J. J. Wassom, M. R. Jeschke, and A. L. Rayburn. 2002. Transmission of herbicide resistance from a monoecious to a dioecious weedy Amaranthus species. Theor. Appl. Genet. 105:674-679.
  • Wassom, J. J., P. J. Tranel, and L. M. Wax. 2002. Variation among U.S. accessions of common cocklebur (Xanthium strumarium). Weed Technol. 16:171-179.
  • Patzoldt, W. L., P. J. Tranel, A. L. Alexander, and P. R. Schmitzer. 2001. A common ragweed population resistant to cloransulam-methyl. Weed Sci. 49:485-490.
  • Tranel, P. J. and J. J. Wassom. 2001. Genetic relationships of common cocklebur accessions from the United States. Weed Sci. 49:318-325.
  • Foes, M. J., L. Liu, G. Vigue, E. W. Stoller, L. M. Wax, and P. J. Tranel. 1999. A kochia (Kochia scoparia) biotype resistant to triazine and ALS-inhibiting herbicides. Weed Sci. 47:20-27.
  • Foes, M. J., L. Liu, P. J. Tranel, L. M. Wax, and E. W. Stoller. 1998. A biotype of common waterhemp (Amaranthus rudis) resistant to triazine and ALS herbicides. Weed Sci. 46:514-520.
  • Tranel, P. J. and K. Keegstra. 1996. A novel, bipartite transit peptide targets OEP75 to the outer membrane of the chloroplastic envelope. Plant Cell 8:2093-2104.
  • Tranel, P. J., J. Froehlich, A. Goyal, and K. Keegstra. 1995. A component of the chloroplastic protein import apparatus is targeted to the outer envelope membrane via a novel pathway. EMBO J. 14:2436-2446.
  • Tranel, P. J., D. R. Gealy, and G. P. Irzyk. 1993. Physiological responses of downy brome (Bromus tectorum) roots to Pseudomonas fluorescens strain D7 phytotoxin. Weed Sci. 41:483-489.
  • Tranel, P. J., D. R. Gealy, and A. C. Kennedy. 1993. Inhibition of downy brome (Bromus tectorum) root growth by a phytotoxin from Pseudomonas fluorescens strain D7. Weed Technol. 7:134-139.
  • Tranel, P. J. and J. Dekker. 1992. Inheritance of clomazone tolerance in maize seedlings. Maydica 37:137-142.
  • Review Articles
  • Murphy, B. P. and P. J. Tranel. 2019. Target-site mutations conferring herbicide resistance. Plants 8:382.
  • Giacomini, D. A., T. Gaines, R. Beffa, and P. J. Tranel. 2018. Optimizing RNA-seq studies to investigate herbicide resistance. Pest Manag. Sci. 74:2260-2264.
  • Dayan, F. E., A. Barker, and P. J. Tranel. 2018. Origins and structure of chloroplastic and mitochondrial plant protoporphyrinogen oxidases: implications for the evolution of herbicide resistance. Pest Manag. Sci. 74:2226-2234.
  • Ravet, K., E. L. Patterson, H. Krahmer, K. Hamouzova, L. Fan, M. Jasieniuk, A. Lawton-Rauh, J. M. Malone, J. S. McElroy, A. Merotto Jr., P. Westra, C. Preston, M. M. Vila-Aiub, R. Busi, P. J. Tranel, C. Reinhardt, C. Saski, R. Beffa, P. Neve, and T. A. Gaines. 2018. The power and potential of genomics in weed biology and management. Pest Manag. Sci. 74:2216-2225.
  • P. J. Tranel. 2017. Herbicide-resistance mechanisms: gene amplification is not just for glyphosate. (Commentary). Pest Manag. Sci. 73:2225-2226
  • Délye, C., A. Duhoux, F. Pernin, C. W. Riggins, and P. J. Tranel. 2015. Molecular mechanisms of herbicide resistance. Weed Sci. Special Issue:91-115.
  • Dayan, F. E., D. K. Owens, P. J. Tranel, C. Preston, and S. O. Duke. 2014. Evolution of resistance to phytoene desaturase and protoporphyrinogen oxidase inhibitors – state of knowledge. Pest Manag. Sci. 70:1358-1366.
  • Busi, R., M. M. Vila-Aiub, H. J. Beckie, T. A. Gaines, D. E. Goggin, S. S. Kaundun, M. Lacoste, P. Neve, S. J. Nissen, J. K. Norsworthy, M. Renton, D. L. Shaner, P. J. Tranel, T. Wright, Q. Yu, and S. B. Powles. 2013. Herbicide-resistant weeds: from research and knowledge to future needs. Evol. Appl. 6:1218-1221.
  • Burgos, N. R., P. J. Tranel, J. C. Streibig, V. M. Davis, D. Shaner, J. K. Norsworthy, and C. Ritz. 2013. Review: Confirmation of resistance to herbicides and evaluation of resistance levels. Weed Sci. 61:4-20.
  • Tranel, P. J., C. W. Riggins, M. S. Bell, and A. G. Hager. 2011. Herbicide resistances in Amaranthus tuberculatus: a call for new options. J. Agric. Food Chem. 59:5808-5812.
  • Stewart, C. N., Jr., P. J. Tranel, D. P. Horvath, J. V. Anderson, L. H. Rieseberg, J. H. Westwood, C. A. Mallory-Smith, M. L. Zapiola, and K. M. Dlugosch. 2009. Evolution of weediness and invasiveness: charting the course for weed genomics. Weed Sci. 57:451-462.
  • Tranel, P. J. and D. P. Horvath. 2009. Molecular biology and genomics: new tools for weed science. Bioscience 59:207-215.
  • Lee, R. M. and P. J. Tranel. 2008. Utilization of DNA microarrays in weed science research. Weed Sci. 56:283-289.
  • Yuan, J. S., P. J. Tranel, and C. N. Stewart Jr. 2007. Non-target-site herbicide resistance: a family business. Trends Plant Sci. 12:6-13.
  • Tranel, P. J. and T. R. Wright. 2002. Resistance of weeds to ALS-inhibiting herbicides: What have we learned? Weed Sci. 50:700-712.