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Search Brenda Oppert - All Publications 90 found
Orozco-Flores, A. A., J. A. Valadez-Lira, B. Oppert, R. Gomez-Flores, R. Tamez-Guerra, C. Rodríguez-Padilla, and P. Tamez-Guerra. 2017. Regulation by gut bacteria of immune response, Bacillus thuringiensis susceptibility and hemolin expression in Plodia interpunctella. J. Insect Physiol. 98: 275-283.
Perkin, L. C., E. N. Elpidina, and B. Oppert. 2017. RNA interference and dietary inhibitors induce a similar compensation response in Tribolium castaneum larvae. Insect Mol. Biol. 26: 35-45.
Perkin, L., E. N. Elpindina, and B. Oppert. 2016. Expression patterns of cysteine peptidase genes across the Tribolium castaneum life cycle provide clues to biological function. PeerJ 4: e1581.
Tereshchenkova, V. F., I. A. Goptar, I. A. Kulemzina, D. P. Zhuzhikov, M. V. Serebryakova, M. A. Belozersky, Y. E. Dunaevsky, B. Oppert, I. Y. Filippova, E. N. Elpidina. 2016. Dipeptidyl peptidase 4 – An important digestive peptidase in Tenebrio molitor larvae. Insect Biochem. Mol. Biol. 76: 38-48.
   Coates, B.S., M.F. Poelchau, C. Childers, J.D. Evans, A.M. Handler, F. Guerrero, S.R. Skoda, K.R. Hopper, W.M. Wintermantel, K. Ling, W.B. Hunter, B.S. Oppert, A.A. Perez De Leon, K.J. Hackett, and D.D. Shoemaker. 2015. Arthropod genomics research in the United States Department of Agriculture-Agricultural Research Service: Current impacts and future prospects. Trends of Entomology 11: 1-27.
Martynov, A. G., E. N. Elpidina, L. C. Perkin, and B. S. Oppert. 2015. Functional analysis of C1 family cysteine peptidases in the larval gut of Tenebrio molitor and Tribolium castaneum. BMC Genomics 16: 1-15.
Oppert, B. S., R. N. C. Guedes, M. J. Aikens, L. Perkin, Z. Chen, T. W. Phillips, K. Y. Zhu, G. P. Opit, K. Hoon, Y. Sun, G. Meredith, K. Bramlett, N. S. Hernandez, B. Sanderson, M. W. Taylor, D. Dhingra, B. Blakey, M. Lorenzen, F. Adedipe, and F. Arthur. 2015. Genes related to mitochondrial functions are differentially expressed in phosphine-resistant and -susceptible Tribolium castaneum. BMC Genomics 16: 968.
Perkin, L. C., K. S. Friesen, P. W. Flinn, and B. Oppert. 2015. Venom gland components of the ectoparasitoid wasp, Anisopteromalus calandrae. J. Venom Res. 6: 19-37.
Zalunin, I. E., E. N. Elpidina, and B. S. Oppert. 2015. The role of proteolysis in the biological activity of Bt insecticidal crystal proteins. In: Soberon, M., Gao, Y., and Bravo, A., editors. Bt Resistance: characterization and strategies for GM crops producing Bacillus thuringiensis toxins. Wallingford, Oxfordshire, England: CABI Publishers.
Klocko, A.L., R. Meilan, R.R. James, V. Viswanath, C. Ma, P. Payne, L. Miller, J.S. Skinner, B. Oppert, G.A. Cardineau, and S.H. Strauss. 2014. Bt-Cry3Aa transgene expression reduces insect damage and improves growth in field-grown hybrid poplar. Can. J. For. Res. 44: 28-35.
Liu, C., Y. Xiao, X. Li, B.S. Oppert, B.E. Tabashnik, and K. Wu. 2014. Cis-mediated down-regulation of a trypsin gene associated with Bt resistance in cotton bollworm. Sci. Rep. 4: 7219.
   Oppert, B. S., A. Rasoolizadeh, and D. Michaud. 2014. The coleopteran gut and targets for pest control. In: Hoffman, K. H., editor. Insect Molecular Biology and Ecology. Boca Raton, FL: CRC Press.
Semashko, T.A., E.A. Vorotnikova, V.F. Sharikova, K.S. Vinokurov, Y.A. Smirnova, Y.E. Dunaevsky, M.A. Belozersky, B. Oppert, E.N. Elpidina. 2014. Selective chromogenic and fluorogenic peptide substrates for the assay of cysteine peptidases in complex mixtures. Anal. Biochem. 449: 179-187.
Shirley, D., Oppert, C., Reynolds, T. B., Miracle, R., Oppert, B., Klingeman, W. E., and J. L. Jurat-Fuentes. 2014. Expression of an endoglucanase from Tribolium castaneum (TcEG1) in Saccharomyces cerevisiae. Insect Sci. 21: 609-618.
Goptar, I.A., D.A. Shagin, I.A. Shagina, E.S. Mudrik, Y.A. Smirnova, D.P. Zhuzhikov, Y.E. Dunaevsky, B.S. Oppert, I.Y. Filippova, and E.N. Elipidina. 2013. A digestive prolyl carboxypeptidase in Tenebrio molitor larvae. Insect Biochem. Mol. Biol. 43: 501:509.
Oppert, B., and T.D. Morgan. 2013. Improved high-throughput bioassay for Rhyzopertha dominica (F.) (Coleoptera: Bostrichidae). J. Stored Prod. Res. 52: 68-73.
Gao, Y., B.S. Oppert, J.C. Lord, C. Liu, and Z. Lei. 2012. Bacillus thuringiensis Cry3Aa toxin increases the susceptibility of Crioceris quatuordecimpunctata to Beauveria bassiana infection. J. Invertebr. Pathol. 109: 260-263.
Goptar, I.A., T.A. Semashko, S.A. Danilenko, E.N. Lysogorskaya, E.S. Oksenoit, D.P. Zhuzhikov, M.A. Belozersky, Y.E. Dunaevsky, B. Oppert, I.Y. Filippova, and E.N. Elpidina. 2012. Cysteine digestive peptidases function as post-glutamine cleaving enzymes in tenebrionid stored-product pests. Comp. Biochem. Physiol. Part B 161: 148-154.
Oppert, B., A.G. Martynov, and E.N. Elpidina. 2012. Bacillus thuringiensis Cry3Aa protoxin intoxication of Tenebrio molitor induces widespread changes in the expression of serine peptidase transcripts. Comp. Biochem. Physiol. Part D 7: 233-243.
Oppert, B.S., S.E. Dowd, P. Bouffard, L. Li, A. Conesa, M.D. Lorenzen, M. Toutges, J. Marshall, D.L. Huestis, J.A. Fabrick, C. Oppert, and J.L. Jurat-Fuentes. 2012. Transcriptome profiling of the intoxication response of Tenebrio molitor larvae to Bacillus thuringiensis Cry3Aa protoxin. PLoS ONE 7(e34624), 12 pp.
Valadez-Lira, J.A., J.M. Alcocer-Gonzalez, G. Damas, G. Nuñez-Mejiá, B. Oppert, C. Rodriguez-Padilla, and P. Tamez-Guerra. 2012. Comparative evaluation of phenoloxidase activity in different larval stages of four lepidopteran pests after exposure to Bacillus thuringiensis. J. Insect Sci. 12(80),11 pp.
Yao, J., L.L. Buschman, B. Oppert, C. Khajuria, and K.Y. Zhu. 2012. Characterization of cDNAs encoding serine proteases and their transcriptional responses to Cry1Ab protoxin in the gut of Ostrinia nubilalis larvae. PloS ONE 7: e44090.
Gao, Y., J. L. Jurat-Fuentes, B. Oppert, J.A. Fabrick, C. Liu, J. Gao, and Z. Lei. 2011. Increased toxicity of Bacillus thuringiensis Cry3Aa against Crioceris quatuordecimpunctata, Phaedon brassicae and Colaphellus bowringi by a Tenebrio molitor cadherin fragment. Pest Manag. Sci. 67: 1076-1081.
Oppert, B., T.D. Morgan, and K.J. Kramer. 2011. Efficacy of Bacillus thuringiensis Cry3Aa protoxin and protease inhibitors against coleopteran storage pests. Pest Manag. Sci. 67: 568-573.
Toutges, M.J., K.L. Hartzer, J.C. Lord, and B.S. Oppert. 2011. Evaluation of reference genes for quantitative polymerase chain reaction across life cycle stages and tissue types of Tribolium castaneum. J. Agric. Food Chem. 58: 8948-8951.
Willis, J.D., B.S. Oppert, C. Oppert, W.E. Klingeman, and J.L. Jurat-Fuentes. 2011. Identification, cloning, and expression of a GHF9 cellulase from Tribolium castaneum (Coleoptera: Tenebrionidae). J. Insect Physiol. 57: 300-306.
Dubovenko, A.G., Y.E. Dunaevsky, M.A. Belozersky, B. Oppert, J.C. Lord, and E.N. Elpidina. 2010. Trypsin-like proteins of the fungi as possible markers of pathogenicity. Fungal Biol. 114: 151-159.
Gao, Y., Y. Hu, Q. Fu, J. Zhang, B.S. Oppert, F. Lai, and Z. Zhang. 2010. Screen of Bacillus thuringiensis toxins for transgenic rice to control Sesamia inferens and Chilo suppressalis. J. Invertebr. Pathol. 105: 11-15.
Liu, C., Y. Gao, C. Ning, K. Wu, B.S. Oppert, and Y. Gao. 2010. Antisera-mediated in vivo reduction of Cry1Ac toxicity in Helicoverpa armigera. J. Insect Physiol. 56: 718-724.
Lord, J.C., K. Hartzer, M. Toutges, and B. Oppert. 2010. Evaluation of quantitative PCR reference genes for gene expression studies in Tribolium castaneum after fungal challenge. J. Microbiol. Meth. 80: 219-221.
Oppert B.S., E.N. Elpidina, M. Toutges, and S. Mazumdar-Leighton. 2010. Microarray analysis reveals strategies of Tribolium castaneum larvae to compensate for cysteine and serine protease inhibitors. Comp. Biochem. Physiol. Part D 5: 280-287.
  Oppert, B.S. 2010. Rapid bioassay to screen potential biopesticides in Tenebrio molitor larvae. Biopestic. Int. 6: 67-73.
Oppert, B.S., R.T. Ellis, and J. Babcock. 2010. Effects of Cry1F and Cry34Ab1/35Ab1 on storage pests. J. Stored Prod. Res. 46: 143-148.
Oppert, C., W.E. Klingeman, J.D. Willis, B. Oppert, and J.L. Jurat-Fuentes. 2010. Prospecting for cellulolytic activity in insect digestive fluids. Comp. Biochem. Physiol. Part B 155: 145-154.
Willis, J.D., W.E. Klingeman, C. Oppert, B.S. Oppert, and J.L. Jurat-Fuentes. 2010. Characterization of cellulolytic activity from digestive fluids of Dissosteira carolina (Orthoptera: Acrididae). Comp. Biochem. Physiol. Part B 157: 267-272.
Crook, D.J., S. Prabhakar, and B. Oppert. 2009. Protein digestion in larvae of the red oak borer Enaphalodes rufulus. Physiol. Entomol. 34: 152-157.
Fabrick, J., C. Oppert, M.D. Lorenzen, K. Morris, B. Oppert, and J.L. Jurat-Fuentes. 2009. A novel Tenebrio molitor cadherin is a functional receptor for Bacillus thuringiensis Cry3Aa toxin. J. Biol. Chem. 284: 18401-18410.
Huestis, D.L., B. Oppert, and J.L. Marshall. 2009. Geographic distributions of Idh-1 alleles in a cricket are linked to differential enzyme kinetic performance across thermal environments. BMC Evol. Biol. 9(113), 12 pp.
Liu, C., K. Wu, Y. Wu, Y. Gao, C. Ning, and B. Oppert. 2009. Reduction of Bacillus thuringiensis Cry1Ac toxicity against Helicoverpa armigera by a soluble toxin-binding cadherin fragment. J. Insect Physiol. 55: 686-693.
Marshall, J.L., D.L. Huestis, Y. Hiromasa, S. Wheeler, C. Oppert, S.A. Marshall, J.M. Tomich, and B. Oppert. 2009. Identification, RNAi knockdown, and functional analysis of an ejaculate protein that mediates a postmating, prezygotic phenotype in a cricket. PloS ONE 4(e7537), 10 pp.
Morris, K., M.D. Lorenzen, Y. Hiromasa, J.M. Tomich, C. Oppert, E.N. Elpidina, K.Vinokurov, J.L. Jurat-Fuentes, J. Fabrick, and B. Oppert. 2009. Tribolium castaneum larval gut transcriptome and proteome: a resource for the study of the coleopteran gut. J. Proteome Res. 8: 3889-3898.
Vinokurov, K.S., E.N. Elpidina, D.P. Zhuzhikov, B. Oppert, D. Kodrik, and F. Sehnal. 2009. Digestive proteolysis organization in two closely related Tenebrionid beetles: Red flour beetle (Tribolium castaneum)and confused flour beetle (Tribolium confusum). Arch. Insect Biochem. Physiol. 70: 254-279.
Goiptar, I.A., I.Y. Filippova, E.N. Lysogorskaya, E.S. Oksenoit, K.S. Vinokurov, D.P. Zhuzhikov, N.V. Bulushova, I.A. Zalunin, Y.E. Dunaevsky, M.A. Belozersky, B. Oppert, and E.N. Elpidina. 2008. Localization of post-proline cleaving peptidases in Tenebrio molitor larval midgut. Biochimie 90: 508-514.
Janarthanan, S., P. Suresh, G. Radke, T.D. Morgan, and B. Oppert. 2008. Arcelins from an Indian wild pulse, Lablab purpureus, and insecticidal activity in storage pests. J. Agric. Food Chem. 56: 1676-1682.
Park, Y., J. Aikins, L.J. Wang, R.W. Beeman, B. Oppert, J.C. Lord, S.J. Brown, M.D. Lorenzen, S. Richards, G.M. Weinstock, and R.A. Gibbs. 2008. Analysis of transcriptome data in the red flour beetle, Tribolium castaneum. Insect Biochem. Mol. Biol. 38: 380-386.
Tamez-Guerra, P., J.A. Valadez-Lira, J.M. Alcocer-Gonzalez, B. Oppert, R. Gomez-Flores, R. Tamez-Guerra, and C. Rodriguez-Padilla. 2008. Detection of genes encoding antimicrobial peptides in Mexican strains of Trichoplusia ni (Hübner) exposed to Bacillus thuringiensis. J. Invertebr. Pathol. 98: 218-227.
Tribolium Sequencing Consortium (includes R.W. Beeman, M.D. Lorenzen, B. Oppert, J. Lord, K. Kramer, Y. Arakane). 2008. The genome of the model beetle and pest Tribolium castaneum. Nature 452: 949-955.
Karumbaiah, L., B. Oppert, J.L. Jurat-Fuentes, and M.J. Adang. 2007. Analysis of midgut proteinases from Bacillus thuringiensis-susceptible and -resistant Heliothis virescens (Lepidoptera: Noctuidae). Comp. Biochem. Physiol. Part B 146: 139-146.
Li, H., L.L. Buschman, F. Huang, K.Y. Zhu, B. Bonning, and B. Oppert. 2007. DiPel-selected Ostrinia nubilalis larvae are not resistant to transgenic corn expressing Bacillus thuringiensis Cry1Ab. J. Econ. Entomol. 100: 1862-1870.
   Li, H., L.L. Buschman, K.Y. Zhu, F. Huang, and B. Oppert. 2007. Resistance to Bacillus thuringiensis endotoxins in the European corn borer, Ostrinia nubilalis. Biopestic. Int. 3: 96-107.
Prabhakar, S., M.S. Chen, E.N. Elpidina, K.S. Vinokurov, C.M. Smith, J. Marshall, and B. Oppert. 2007. Sequence analysis and molecular characterization of larval midgut cDNA transcripts encoding peptidases from the yellow mealworm, Tenebrio molitor L. Insect Mol. Biol. 16: 455-468.
Oppert, B. 2006. Two-dimensional analysis of proteinase activity. J. Biochem. Biophys. Methods 67: 173-179.
Oppert, B., P. Walters, and M. Zuercher. 2006. Digestive proteinases of the larger black flour beetle, Cynaeus angustus (Coleoptera: Tenebrionidae). Bull. Entomol. Res. 96: 167-172.
  Tamez-Guerra, P.G. Damas, M.M. Iracheta, B. Oppert, R. Gomez-Flores, and C. Rodriguez-Padilla. 2006. Differences in susceptibility and physiological fitness of Mexican field Trichoplusia ni strains exposed to Bacillus thuringiensis. J. Econ. Entomol. 99: 937-945.
Vinokurov, K.S., E.N. Elpidina, B. Oppert, S. Prabhakar, D.P. Zhuzhikov, Y.E. Dunaevsky, and M.A. Belozersky. 2006. Fractionation of digestive proteinases from Tenebrio molitor (Coleoptera: Tenebrionidae) larvae and role in protein digestion. Comp. Biochem. Physiol. Part B 145: 138-146.
Vinokuroz, K.S., E.N. Elpidina, B. Oppert, S. Prabhakar, D.P. Zhuzhikov, Y.E. Dunaevsky, and M.A. Belozersky. 2006. Diversity of digestive proteinases in Tenebrio molitor (Coleoptera: Tenebrionidae) larvae. Comp. Biochem. Physiol. Part B 145: 126-137.
Elpidina, E.N., T.A. Tsybina, Y.E. Dunaevsky, M.A. Belozersky, D.P. Zhuzhikov, and B. Oppert. 2005. A chymotrypsin-like proteinase from the midgut of Tenebrio molitor larvae. Biochimie 87: 771-779.
Li, H., B. Oppert, R.A. Higgins, F. Huang, L.L. Buschman, and K.Y. Zhu. 2005. Susceptibility of Dipel-resistant and -susceptible Ostrinia nubilalis (Lepidoptera: Crambidae) to individual Bacillus thuringiensis protoxins. J. Econ. Entomol. 98: 1333-1340.
Li, H., B. Oppert, R.A. Higgins, F. Huang, L.L. Buschman, J. Gao, and K.Y. Zhu. 2005. Characterization of cDNAs encoding three trypsin-like proteinases and mRNA quantitative analysis in Bt-resistant and -susceptible strains of Ostrinia nubilalis. Insect Biochem. Mol. Biol. 35: 847-860.
Oppert, B., T.D. Morgan, K. Hartzer, and K.J. Kramer. 2005. Compensatory proteolytic responses to dietary proteinase inhibitors in the red flour beetle, Tribolium castaneum (Coleoptera: Tenebrionidae). Comp. Biochem. Physiol. Part C 140: 53-58.
Tsybina, T.A., Y.E. Dunaevsky, M.A. Belozersky, D.P. Zhuzhikov, B. Oppert, and E.N. Elpidina. 2005. Digestive proteinases of yellow mealworm (Tenebrio molitor) larvae: purification and characterization of a trypsin-like proteinase. Biochemistry (Moscow) 70: 300-305.
Vinokurov, K.S., B. Oppert, and E.N. Elpidina. 2005. An overlay technique for postelectrophoretic analysis of proteinase spectra in complex mixtures using p-nitroanilide substrates. Anal. Biochem. 337: 164-166.
Zhu, Y.C., X. Liu, A.S. Maddur, B. Oppert, and M.S Chen. 2005. Cloning and characterization of chymotrypsin- and trypsin-like cDNAs from the gut of the Hessian fly [Mayetiola destructor (say)]. Insect Biochem. Mol. Biol. 35: 23-32.
Li, H., B. Oppert, R.A. Higgins, F. Huang, K.Y. Zhu, and L.L. Buschman. 2004. Comparative analysis of proteinase activities of Bacillus thuringiensis-resistant and -susceptible Ostrinia nubilalis (Lepidoptera: Crambidae). Insect Biochem. Mol. Biol. 34: 753-762.
Li, H., J. González-Cabrera, B. Oppert, J. Ferré, R.A. Higgins, L.L. Buschman, G.A. Radke, K.Y. Zhu, and F. Huang. 2004. Binding analyses of Cry1Ab and Cry1Ac with membrane vesicles from Bacillus thuringiensis-resistant and -susceptible Ostrinia nubilalis. Biochem. Biophys. Res. Comm. 323: 52-57.
Candas, M., O. Loseva, B. Oppert, P. Kosaraju, and L.A. Bulla, Jr. 2003. Insect resistance to Bacillus thuringiensis: Alterations in the Indianmeal moth larval gut proteome. Mol. Cell. Proteomics 2: 19-28.
Li, H., B. Oppert, K.Y. Zhu, R.A. Higgins, F. Huang, and L.L. Buschman. 2003. Transgenic plants expressing Bacillus thuringiensis delta-endotoxins. Entomologia Sinica 10: 155-166.
Oppert, B., T.D. Morgan, K. Hartzer, B. Lenarcic, K. Galesa, J. Brzin, V. Turk, K. Yoza, K. Ohtsubo, and K.J. Kramer. 2003. Effects of proteinase inhibitors on digestive proteinases and growth of the red flour beetle, Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). Comp. Biochem. Physiol. Part C 134: 481-490.
Zhu, Y.C., F. Zeng, and B. Oppert. 2003. Molecular cloning of trypsin-like cDNAs and comparison of proteinase activities in the salivary glands and gut of the tarnished plant bug Lygus lineolaris (Heteroptera: Miridae). Insect Biochem. Mol. Biol. 33: 889-899.
Oppert, B., K. Hartzer, and M. Zuercher. 2002. Digestive proteinases in Lasioderma serricorne (Coleoptera: Anobiidae). Bull. Entomol. Res. 92: 331-336.
Herrero, S., B. Oppert, and J. Ferre. 2001. Different mechanisms of resistance to Bacillus thuringiensis toxins in the Indianmeal moth. Appl. Environ. Microbiol. 67: 1085-1089.
  Oppert, B., K. Hartzer, and C.M. Smith. 2000. Digestive proteinases of alfalfa weevil, Hypera postica, (Gyllenhal) (Coleoptera: Curculionidae). Trans. Kansas Acad. Sci. 103: 99-110.
Oppert, B., R. Hammel, J.E. Throne, and K.J. Kramer. 2000. Fitness costs of resistance to Bacillus thuringiensis in the Indianmeal moth, Plodia interpunctella. Entomol. Exp. Appl. 96: 281-287.
   Oppert, B.S. 2000. Transgenic plants expressing enzyme inhibitors and the prospects for biopesticide development, pp. 83-95. In: O. Koul and G.S. Dhaliwal (Eds.), Phytochemical Biopesticides. Harwood Academic Publishers, Amsterdam, The Netherlands.
Zhu, Y.C., B. Oppert, K.J. Kramer,W.H. McGaughey, and A.K. Dowdy. 2000. cDNA sequence, mRNA expression and genomic DNA of trypsinogen from the Indianmeal moth, Plodia interpunctella. Insect Mol. Biol. 9: 19-26.
Zhu, Y.C., K.J. Kramer, B. Oppert, and A.K. Dowdy, 2000. cDNAs of aminopeptidase-like protein genes from Plodia interpunctella strains with different susceptibilities to Bacillus thuringiensis toxins. Insect Biochem. Mol. Biol. 30: 215-224.
Huang, F., K.Y. Zhu, L.L. Buschman, R.A. Higgins, and B. Oppert. 1999. Comparison of midgut proteinases in Bacillus thuringiensis-susceptible and -resistant European corn borer, Ostrinia nubilalis (Lepidoptera: Pyralidae). Pestic. Biochem. Physiol. 65: 132-139.
  Oppert, B. 1999. Protease interactions with Bacillus thuringiensis insecticidal toxins. Arch. Insect Biochem. Physiol. 42: 1-12.
   Reeck, G., B. Oppert, M. Denton, M. Kanost, J.E. Baker, and K.J. Kramer. 1999. Insect proteinases, pp. 125-148. In: V. Turk (Ed.), Proteases: new perspectives. Birkhauser Verlag, Basel, Switzerland.
Johnson, D.E., B. Oppert, and W.H. McGaughey. 1998. Spore coat protein synergizes Bacillus thuringiensis crystal toxicity for the Indianmeal moth (Plodia interpunctella). Curr. Microbiol. 36: 278-282.
   McGaughey, W.H., and B. Oppert. 1998. Mechanisms of insect resistance to Bacillus thuringiensis toxins. Isr. J. Entomol. XXXII: 1-14.
   Oppert, B.S., and K.J. Kramer. 1998. Economical use of substrates in enzyme activity blots. American Biotech. Lab, pp. 16-20.
   Oppert, B., K.J. Kramer, and W.H. McGaughey. 1997. Rapid microplate assay for substrates and inhibitors of proteinase mixtures. BioTechniques 23: 70-72.
   Oppert, B., K.J. Kramer, and W.H. McGaughey. 1997. Insect resistance to Bacillus thuringiensis toxins. The Chemist 74: 7-10.
Oppert, B., K.J. Kramer, R.W. Beeman, D.E. Johnson, and W.H. McGaughey. 1997. Proteinase-mediated insect resistance to Bacillus thuringiensis toxins. J. Biol. Chem. 272: 23473-23476.
Zhu, Y., B. Oppert, K.J. Kramer, W.H. McGaughey, and A.K. Dowdy. 1997. cDNAs for a chymotrypsinogen-like protein from two strains of Plodia interpunctella. Insect Biochem. Mol. Biol. 27: 1027-1037.
Oppert, B., K.J. Kramer, D.E. Johnson, S.J. Upton, and W.H. McGaughey. 1996. Luminal proteinases from Plodia interpunctella and the hydrolysis of Bacillus thuringiensis CryIA(c) protoxin. Insect Biochem. Mol. Biol. 26: 571-583.
   Oppert, B., K.J. Kramer, D.E. Johnson, S.C. MacIntosh, and W.H. McGaughey. 1994. Altered protoxin activation by midgut enzymes from a Bacillus thuringiensis resistant strain of Plodia interpunctella. Biochem. Biophys. Res. Comm. 198: 940-947.
   Morgan, T.D., B. Oppert, T.H. Czapla, and K.J. Kramer. 1993. Avidin and streptavidin as insecticidal and growth inhibiting dietary proteins. Entomol. Exp. Appl. 69: 97-108.
   Oppert, B., T.D. Morgan, C. Culbertson, and K.J. Kramer. 1993. Dietary mixtures of cysteine and serine proteinase inhibitors exhibit synergistic toxicity toward the red flour beetle, Tribolium castaneum. Comp. Biochem. Physiol. Part C 105: 379-385.

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