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My research efforts center around plant resistance to insects, especially the quantification of sorghum tolerance to greenbug feeding damage. We have focused on tolerance because greenbug have developed numerous biotypes that were virulent to previously resistant cultivars. Tolerance is plant production in spite of insect attack, and therefore does not have the potential of imposing selection pressure on greenbug populations for still more virulent biotypes. We have also looked at the molecular genetics of aphid-plant interactions, especially the role of aphid salivary gland genes. We have silenced a transcript, for the first time in an aphid, and have shown that this particular transcript is absolutely essential to the survival of the aphid on its host plant.
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Mutti, N. S., Y. Park, J. C. Reese, and G. R. Reeck. 2006. RNAi knockdown of a salivary transcript leading to lethality in the pea aphid, Acyrthosiphon pisum. J. Insect Science 6:38.
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| 2006 |
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Diaz-Montano, J., J. C. Reese, W. T. Schapaugh, and L. R. Campbell. 2006. Characterization of antibiosis and antixenosis to the soybean aphid (Hemiptera: Aphididae) in several soybean genotypes. Journal of Economic Entomology 99: 1884-1889.
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| 2006 |
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Dogramaci, M., ZB Mayo, R.J. Wright, and J.C. Reese. 2005. Tritrophic interaction of parasitoid Lysiphlebus testaceipes (Hymenoptera: Aphididae), greenbug (Schizaphis graminum)(Homoptera: Aphididae), and greenbug-resistant sorghum hybrids. Journal of Economic Entomology 98: 202-209.
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| 2005 |
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Shen, Z., K. Pappan, N.S. Mutti, Q-J. He, M. Denton, Y. Zhang, M.R. Kanost, J.C. Reese, and G. R. Reeck. 2005. Pectinmethylesterase from the rice weevil, Sitophilus oryzae: cDNA isolation and dwquencing, genetic origin, and expression of the recombinant enyzyme. Journal of Insect Science 5:21
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| 2005 |
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Pegadaraju, V., C. Knepper, J. Reese, and J. Shah. 2005. Premature leaf senescence modulated by the Arabidopsis thaliana PHYTOALEXIN DEFICIENT4 gene is associated with defense against phloem-feeding green peach aphid. Plant Physiology 139: 1927-1934
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