Michael Strand

Regents Professor of Entomology
Ph.D. (1985) Texas A & M University
  • Regents Professorship, University of Georgia, 2013
  • President, Phys, Tox, Biochem Section, Entomological Society of America, 2012-2013
  • Elected Fellow, Entomological Society of America, 2012
  • American Soc. Microbiology Lecturer, American Society for Virology, 2012
  • National Recog. Award, Physiol. Biochem. & Toxicology, Entomological Society of America, 2009
  • Distinguished Editor, NIH Challenge Applications, 2009
  • Elected Fellow, American Association for the Advancement of Science, 2008
  • Brooks Research Award, College Ag & Envi. Science, University of Georgia, 2008
  • Distinguished Research Professor, University of Georgia, 2006
  • Chair, NIH Study Section in Vector Biology, 2004-2006
  • Chair, NIH Study Section Tropical Medicine and Parasitology, 2001-2004
  • Editorial Board, Journal of Insect Behavior
  • Editorial Board, Archives of Insect Biochemistry Physiology
  • Editorial Board, Annals of the Entomological Society of America
  • Editorial Board, Journal of Insect Biology
  • Editorial Board, Insect Biochemistry and Molecular Biology
  • Grant Support -
    • “Cellular Defense Response in an Insect System,” NIH
    • “Marker development for Mosquito Hemocytes,” NIH
    • “Regulation of Caste Formation in a Polyembryonic Wasp,” NSF
    • “Functional Analysis of Polydnavirus and Insect Immune Cell Genes,” USDA
    • “Functional Characterization of Viral IkB-Like Genes,” USDA
    • “Caste Formation in a Polyembryonic Wasp,” USDA
    • “Suppression of the Insect Cellular Immune Response by a Polydnavirus-Carrying Parasitoid,” USDA
Selected Publications:
  • Clark, K.D. and M.R. Strand. 2013. Hemolymph melanization in the silkmoth, Bombyx mori, involves formation of a high molecular mass complex that metabolizes tyrosine. J. Biol. Chem. 288: 14476-14487.
  • Burke, G.R., S.A. Thomas, J.-H. Eum and M.R. Strand. 2013. Mutualistic polydnaviruses share essential replication gene functions with pathogenic ancestors. PLoS Pathogens 9: e1003348.
  • Weldon, S.R., M.R. Strand and K.M. Oliver. 2013. Phage loss and the breakdown of a defensive symbiosis in aphids. Proc. Roy. Soc. B. 280: 2012-2103.
  • Rodriguez-Andres, J., S. Rani, M. Varjak, M.E. Chase-Topping, M.H. Beck, M.C. Ferguson, E. Schnettler, R. Fragkioudis, G. Barry, A. Merits, J.K. Fazakerley, M.R. Strand and A. Kohl. 2012. Phenoloxidase activity acts as a mosquito innate immune response against infection with Semliki Forest virus. PLoS Pathogens 8(11): e1002977.
  • Gulia-Nusa, M., J.-H. Eum, M.R. Strand and M.R. Brown. 2012. Ovary ecdysteroidogenic hormone activates egg maturation in the mosquito, Georgecraigius atropalpus, after adult eclosion or a blood meal. J. Exp. Biol. 215: 3758-3767.
  • Bitra, K., R.J. Suderman and M.R. Strand. 2012. Polydnavirus Ank proteins function as IkB mimics that subvert the insect Imd signaling pathway. PLoS Pathogens 8(5): e1002722.
  • Burke, G.R. and M.R. Strand. 2012. Deep sequencing identifies viral and wasp genes with potential roles in replication of Microplitis demolitor bracovirus. J. Virol. 86: 3293-3306.
  • Castillo, J., M.R. Brown and M.R. Strand. 2011. Blood feeding and insulin peptide 3 stimulate proliferation of hemocytes in the mosquito Aedes aegypti. PLoS Pathogens 7(10): e1002274.
  • Beck, M.R., S. Zhang, S. Bitra, G.R. Burke and M.R. Strand. 2011. The encapsidated genome Microplitis demolitor bracovirus integrates into the host Pseudoplusia includens. J. Virol. 85: 11658-11696.
  • Bitra, K., S. Zhang and M.R. Strand. 2011. Transcriptomic profiling of Microplitis demolitor bracovirus reveals host, tissue, and stage-specific patterns of activity. J. Gen. Virol. 92: 2060-2071.
  • Wen, Z., M. Gulia, K.D. Clark, A. Dhara, J.W. Crim, M.R. Strand and M.R. Brown. 2010. Two insulin-like peptide family members from the mosquito Aedes aegypti exhibit differential biolgoical and receptor binding activities. Mol. Cell Endocrinol. 328: 47-55.
  • Crowder, D.W., T.D. Northfield, M.R. Strand and W.E. Snyder. 2010. Organic agriculture promotes evenness and natural pest control. Nature 466: 109-113.
  • Pruijssers, A.J., P. Falabella, J.H. Eum, F. Pennacchio, M.R. Brown and M.R. Strand, 2009. Infection by a symbiotic polydnavirus induces wasting and inhibits metamorphosis of the moth Pseudoplusia includens. J. Exp. Biol. 212: 2998-3006.
  • Nakatogawa, S., Y. Oda, M. Kamiya, T. Kamijima, T. Aizawa, K.D. Clark, K. Kawano, M.R Strand and Y. Hayakawa. 2009. A novel peptdie meidates aggregation and migration of hemocytes from an insect. Curr. Biol. 19: 779-785.
  • Baton, L., A. Roberston, E. Warr, M.R. Strand and G. Dimopoulos. 2009. Genome-wide transcriptomic profiling of Anopheles gambiae hemocytes revels pathogen-specific signatures upon bacterial challenge and Plasmodium berghei infection. BMC Genomics 10: 257.
  • Lu, Z., M.H. Beck, H. Jiang, Y. Wang and M.R. Strand. 2008. The viral protein Egf1.0 is a dual activity inhibitor of prophenoloxidase activating proteinases 1 and 3 from Manduca sexta. J. Biol. Chem 283: 21325-21333.
  • Brown, M.R., K.D. Clark, M. Gulia, Z. Zhao, S.F. Garczynski, J.W. Crim, R.J. Suderman and M.R. Strand. 2008. An insuline-like peptide regulates egg maturation and metabolism in the mosquito Aedes aegypti. Proc. Natl. Acad. Sci. USA 105: 5716-5721.
  • Beck, M.H. and M.R. Strand. 2007. A novel prtein from a polydnavirus inhibits the insect prophenoloxidase activation pathway. Proc. Natl. Acad. Sci. USA 104: 19267-19272.
  • Pruijssers, A. and M.R. Strand. 2007. Protein tyrosine phosphatase-H2 and PTP-H3 from Microplitis demolitor bracovirus functions as a phagocytic inhibitor for insect immune cells. J. Virol. 81: 1209-1219.
  • Webb, B.A., M.R. Strand, S.E. Deborde, M. Beck., R.S. Hilgarth, K. Kadash, J.A. Kroemer, K.G. Lindstrom, W. Rattanadechakul, K.S. Shelby, L. Thoetkiattikul, M.W. Turnbull, W.E. Barney and R.A. Witherell. 2006. Polydnavirus genomes reflect their dual roles as mutualists and pathogens. Virology 347: 106-174.
  • Theotkiattikul, L., M.H. Beck and M.R. Strand. 2005. Ik-B-like proteins from a polydnavirus function as suppressors of the insect immune response. Proc. Natl. Acad. Sci. USA 102: 11426-11431.
  • Wertheim, B., A.R. Kraaijeveled, E. Schuster, E. Blanc, M. Hopkins, S.D. Pletcher, M.R. Strand, H.C.J. Godfray and L. Partridge. 2005. Genome wide expression in response to parasitoid attack in Drosophila. Genome Biol. 6: R94.
  • Clark, K.D., S. Garczynski, A. Arora, J. Crim and M.R. Strand. 2004. Specific residues in plasmatocyte spreading peptide are required for receptor binding and functional antagonism of insect immune cells. J. Biol. Chem 279: 33246-33252.
  • Donnell, D., L. Corley, G. Chen and M.R. Strand. 2004. Inheritence of germ cells mediates caste formation in a polyembryonic wasp. Proc. Natl. Acad. Sci. USA 101: 10095-10100.
  • Giron, D., D. Dunn, I.C.W. Hardy and M.R. Strand, 2004. Aggression by polyembryonic wasp soldiers correlates with kinship but not with resource competition. Nature 430: 676-679.

Lawrence Shimkets

Professor of Microbiology
Ph.D. (1980) University of Minnesota
  • Robert G. Eagon Research Award, Southeastern Branch of the American Society for Microbiology, 2001
  • Fellow, American Academy of Microbiology
  • NSF Presidential Young Investigator Award, 1984-1989
  • Grant Support -
    • “Myxococcus xanthus Lipid Chemotaxis,” NSF
Selected Publications:
  • Bonner P.J., Xu Q., Black W.P., Li Z., Yang Z.M. and L.J. Shimkets. 2005. The Dif chemosensory pathway is directly involved in phosphatidylethanolamine sensory transduction in Myxococcus xanthus. Molecular Microbiology 57: 1499-1508.
  • Simunovic, V., Gherardini, F.C. and L.J. Shimkets. 2003. Membrane localization of motility, signaling, and polyketide synthetase proteins in Myxococcus xanthus. Journal of Bacteriology 185: 5066-5075.
  • Brofft, J.E., McArthur, J.V. and L.J. Shimkets. 2002. Recovery of novel bacterial diversity from a forested wetland impacted by reject coal. Environmental Microbiology 4: 764-769.
  • Phillips R.W., Wiegel J., Berry C.J., Fliermans C., Peacock A.D., White D.C. and L.J. Shimkets. 2002. Kineococcus radiotolerans sp nov., a radiation-resistant, Gram-positive bacterium. International Journal of Systematic and Evolutionary Microbiology 52: 933-938.
  • Kearns D.B., Bonner P.J., Smith D.R. and L.J. Shimkets. 2002. An extracellular matrix-associated zinc metalloprotease is required for dilauroyl phosphatidylethanolamine chemotactic excitation in Myxococcus xanthus. Journal of Bacteriology 184: 1678-1684.
  • Lancero H., Brofft J.E., Downard J., Birren B.W., Nusbaum C., Naylor J., Shi W.Y. and L.J. Shimkets. 2002. Mapping of Myxococcus xanthus social motility dsp mutations to the dif genes. Journal of Bacteriology 184: 1462-1465.
  • Kearns D.B., Venot A., Bonner P.J., Stevens B., Boons G.J. and L.J. Shimkets. 2001. Identification of a developmental chemoattractant in Myxococcus xanthus through metabolic engineering. Proc. Natl. Acad. Sci., USA 98: 13990-13994.
  • Bonner, P.J. and L.J. Shimkets. 2001. Piecing together a puzzling pathway: new insights into C-signaling. Trends in Microbiology 9: 462-464.
  • Kearns, D.B. and L.J. Shimkets. 2001. Directed movement and surface-borne motility of Myxococcus and Pseudomonas. Methods in Enzymology 336: 94-102.
  • Kearns, D.B. and L.J. Shimkets. 2001. Lipid chemotaxis and signal transduction in Myxococcus xanthus. Trends in Microbiology 9: 126-129.
  • Wise, M.G., McArthur, J.V. and L.J. Shimkets. 2001. Methylosarcina fibrata gen. nov., sp nov and Methylosarcina quisquiliarum sp nov., novel type I methanotrophs. International Journal of Systematic and Evolutionary Microbiology 51: 611-621.
  • Kearns, D.B., Robinson, J. and L.J. Shimkets.2001. Pseudomonas aeruginosa exhibits directed twitching motility up phosphatidylethanolamine gradients. Journal of Bacteriology 183: 763-767.
  • Kearns, D.B., Campbell, B.D. and L.J. Shimkets. 2000. Myxococcus xanthus fibril appendages are essential for excitation by a phospholipid attractant. Proc. Natl. Acad. Sci., USA 97: 11505-11510.
  • Yang Z.M., Ma X.Y., Tong L.M., Kaplan H.B., Shimkets L.J. and W.Y. Shi. 2000. Myxococcus xanthus dif genes are required for biogenesis of cell surface fibrils essential for social gliding motility. Journal of Bacteriology 182: 5793-5798.
  • Crawford, E.W. and L.J. Shimkets. 2000. The Myxococcus xanthus socE and csgA genes are regulated by the stringent response. Molecular Microbiology 37: 788-799.
  • Crawford, E.W. and L.J. Shimkets. 2000. The stringent response in Myxococcus xanthus is regulated by SocE and the CsgA C-signaling protein. Genes and Development 14: 483-492.
  • Wise, M.G., McArthur, J.V. and L.J. Shimkets. 1999. Methanotroph diversity in landfill soil: Isolation of novel type I and type II methanotrophs whose presence was suggested by culture-independent 16S ribosomal DNA analysis. Applied and Environmental Microbiology 65: 4887-4897.
  • Shimkets, L.J. 1999. Intercellular signaling during fruiting-body development of Myxococcus xanthus. Annual Review of Microbiology 53: 525-549.
  • Kearns, D.B. and L.J. Shimkets. 1998. Chemotaxis in a gliding bacterium. Proc. Natl. Acad. Sci., USA 95: 11957-11962.
  • Leff, L.G., McArthur, J.V. and L.J. Shimkets. 1998. Persistence and dissemination of introduced bacteria in freshwater microcosms. Microbial Ecology 36: 202-211.

Paul Schliekelman

Associate Professor and Associate Department Head of Statistics
Ph.D. (2000) North Carolina State University
Selected Publications:
  • McBride K.L., R. Pignatelli, M. Lewin, T. Ho, S. Fernbach, A. Menesses, W. Lam, S.M. Leal, N. Kaplan, P. Schliekelman, J.A. Towbin, and J.W. Belmont. 2005. Inheritance analysis of congenital left ventricular outflow tract obstruction malformations: Segregation, multiplex relative risk, and heritability. American Journal of Medical Genetics 134A: 180-186.
  • Schliekelman, P., S.P. Ellner and F. Gould. 2005. Pest control by genetic manipulation of sex ratio. Journal of Economic Entomology 98: 18-34.
  • Gould, F. and P. Schliekelman. 2004. Population genetics of autocidal control and Strain Replacement. Annual Review of Entomology 49: 193-217.
  • Ganko, E.W., V. Bhattacharjee, P. Schliekelman and J.F. McDonald. 2003. Evidence for the contribution of LTR retrotransposons to C. elegans gene evolution. Mol. Biol. Evol. 20: 1925-1931.
  • Schliekelman, P. 2003. Transient dynamics in multilocus invasions by transgenic organisms. Journal of Mathematical Biology 46: 171-188.
  • Schliekelman, P. and M. Slatkin. 2002. Multiplex relative risk and estimation of the number of loci underlying complex inherited diseases. American Journal of Human Genetics 71: 1369-1385.
  • Schliekelman P., C. Garner and M. Slatkin. 2001. Natural selection on alleles conferring resistance to HIV infection and AIDS in African populations. Nature 411: 545-546.
  • Schliekelman, P. and S.P. Ellner. 2001. Egg size evolution and energetic constraints on population dynamics. Theoretical Population Biology 60: 73-92.
  • Schliekelman, P. and F. Gould. 2000. Pest control by the introduction of a conditional lethal trait on multiple loci: Potential, limitations, and optimal strategies. Journal of Economic Entomology 93: 1543-1565.
  • Schliekelman, P. and F. Gould. 2000. Pest control by the release of insects carrying female killing alleles on multiple loci. Journal of Economic Entomology 93: 1566-1579.

Ellen Neidle

Professor of Microbiology
Ph.D. (1987) Yale University
  • Creative Research Medal, University of Georgia, 2005
  • Grant Support -
    • “Regulation of Aromatic Compound Degradation in Acinetobacter,” NSF
    • “REU Site: Research in Prokaryotic Biology” NSF
Selected Publications:
  • Reams, A.B. and E.L. Neidle. 2004. Gene amplification involves site-specific short homology-independent illegitimate recombination in Acinetobacter sp. strain ADP1. Journal of Molecular Biology 338: 643-656.
  • Buchan, A., Neidle, E.L. and M.A. Moran. 2004. Diverse organization of genes of the beta-ketoadipate pathway in members of the marine Roseobacter lineage. Applied and Environmental Microbiology 70: 1658-1668.
  • Clark, T.J., Phillips, R.S., Bundy, B.M., Momany, C. and E.L. Neidle. 2004. Benzoate decreases the binding of cis,cis-muconate to the BenM regulator despite the synergistic effect of both compounds on transcriptional activation. Journal of Bacteriology 186: 1200-1204.
  • Clark, T., Haddad S., Neidle E.L. and C. Momany. 2004. Crystallization of the effector-binding domains of BenM and CatM, LysR-type transcriptional regulators from Acinetobacter sp. ADP1. Acta Crystallographica. Section D, Biological Crystallography 60: 105-108.
  • Reams, A.B. and E.L. Neidle. 2004. Selection for gene clustering by tandem duplication., Annual Review of Microbiology 58: 119-142.
  • Beharry, Z.M., Eby, D.M., Coulter, E.D., Viswanathan, R., Neidle, E.L., Phillips, R.S. and D.M. Kurtz. 2003. Histidine ligand protonation and redox potential in the Rieske dioxygenases: role of a conserved aspartate in anthranilate 1,2-dioxygenase. Biochemistry 42: 13625-13636.
  • Reams, A.B. and E.L. Neidle. 2003. Genome plasticity in Acinetobacter: new degradative capabilities acquired by the spontaneous amplification of large chromosomal segments, Molecular Microbiology, 47: 1291-304.
  • Brzostowicz, P.C., Reams, A.B., Clark, T.J. and E.L. Neidle. 2003. Transcriptional cross-regulation of the catechol and protocatechuate branches of the beta-ketoadipate pathway contributes to carbon source-dependent expression of the Acinetobacter sp. strain ADP1. Applied and Environmental Microbiology 69: 1598-1606.
  • Cosper, N.J., Eby, D.M., Kounosu, A., Kurosawa, N., Neidle, E.L., Kurtz, D.M., Iwasaki, T. and R.A. Scott. 2002. Redox-dependent structural changes in archaeal and bacterial Rieske-type [2Fe-2S] clusters. Protein Science 11: 2969-2973.
  • Bundy, B.M., Collier, L.S., Hoover T.R. and E.L. Neidle. 2002. Synergistic transcriptional activation by one regulatory protein in response to two metabolites. Proc. Natl. Acad. Sci. USA 99: 7693-7698.
  • Karlsson, A., Beharry, Z.M., Matthew, E.D., Coulter, E.D., Neidle, E.L., Kurtz, D.M., Eklund, H. and S. Ramaswamy. 2002. X-ray crystal structure of benzoate 1,2-dioxygenase reductase from Acinetobacter sp. strain ADP1. Journal of Molecular Biology 318: 261-272.
  • Clark, T.J., Momany, C. and E.L. Neidle. 2002. The benPK operon, proposed to play a role in transport, is part of a regulon for benzoate catabolism in Acinetobacter sp. strain ADP1, Microbiology 148: 1213-1223.
  • Buchan A., Neidle, E.L. and M.A. Moran. 2001. Diversity of the ring-cleaving dioxygenase gene pcaH in a salt marsh bacterial community. Applied and Environmental Microbiology 67: 5801-5809.
  • Haddad, S., Eby, D.M. and E.L. Neidle. 2001. Cloning and expression of the benzoate dioxygenase genes from Rhodococcus sp. strain 19070. Applied and Environmental Microbiology 67: 2507-2514.
  • Eby, D.M., Beharry, Z.M., Coulter, E.D., Kurtz, D.M. and E.L. Neidle. 2001. Characterization and evolution of anthranilate 1,2-dioxygenase from Acinetobacter sp. strain ADP1, Journal of Bacteriology 183: 109-118.
  • Cosper N.J., Collier, L.S., Clark, T.J., Scott, R.A. and E.L. Neidle. 2000. Mutations in catB, the gene encoding muconate cycloisomerase, activate transcription of the distal ben genes and contribute to a complex regulatory circuit in Acinetobacter sp. strain ADP1. Journal of Bacteriology 182: 7044-7052.
  • Buchan, A., Collier, L.S., Neidle, E.L. and M.A. Moran. 2000. Key aromatic-ring-cleaving enzyme, protocatechuate 3,4-dioxygenase, in the ecologically important marine Roseobacter lineage. Applied and Environmental Microbiology 66: 4662-4672.

Wolfgang Lukowitz

Assistant Professor of Plant Biology
Ph.D. (1996) University of Tubingen, Germany
  • Grant Support -
    • “Arabidopsis 2010: Regulation of the proembryo boundary in Arabidopsis,” NSF
    • "MAP kinase signaling in the Arabidopsis embryo," NSF
Selected Publications:
  • Jeong, S., M. Volny and W. Lukowitz. 2013. Axis formation in Arabidopsis - transcription factors tell their side of the story. Curr. Opin. Plant Biol. 15: 4-9.
  • Rademacher, E.H., A.S. Lokerse, A. Schlereth, C.L. Peris, M. Bayer, M. Kientz, A.F. Rios, J.W. Borst, W. Lukowitz, G. Jurgens and D. Dolf Weijers. 2012. Different auxin response machineries control distinct cell fates in the early plant embryo. Dev. Cell 22: 211-222.
  • Jeong, S., T. Palmer and W. Lukowitz. 2011. The RWP-RK factor GROUNDED promotes embryonic polarity by facilitating YODA MAP-kinase signaling. Curr. Biol. 21: 1268-76.
  • Jeong, S., M. Bayer, W. Lukowitz. 2010. Taking the first steps: from polarity to axial domains in the early Arabidopsis embryo. J Exp. Bot. 62: 1687-97.
  • Nawy, T., M. Bayer, J. Mravec, J. Friml, K.D. Birndbaum and W. Lukowitz. 2010. The GATA factor HANABA TARANU is required to position the proembryo boundary in the early Arabidopsis embryo. Dev. Cell 19: 103-113.
  • Bayer, M., T. Nawy, C. Giglione, M. Galli and W. Lukowitz. 2009. Paternal control of embryonic pattering in Arabidopsis thaliana. Science 323: 1485-88.
  • Lampard, G., W. Lukowitz, B. Ellis and D. Bergmann. 2009. Novel and expanded roles for MAPK singaling in Arabidopsis stomatal cell fate revealed by cell-type specific manipulations. Plant Cell 21: 3506-17.
  • Nawy, T., W. Lukowitz and M. Bayer. 2008. Talk global, act local - embryonic pattering in Arabidopsis. Curr. Opin. Plant Biol. 11: 28-33.
  • Bannigan, A. W.-R. Scheible, W. Lukowitz, C. Fagerstrom, P. Wadsworth, C. Somerville and T.I. Baskin. 2007. A conserved role for kinesin-5 in plant mitosis. J Cell Sci 120: 2819-27.
  • Jenik, P.D., C.S. Gillmor and W. Lukowitz. 2007. Embryonic pattering in Arabidopsis thaliana. Ann. Rev. Cell Cell Biol. Dev. 23: 207-238.
  • Lukowitz, W., A. Roeader, D. Parmenter and C. Somerville. 2004. A MPAKK kinase gene regulates extra-embryonic cell fate in Arabidopsis. Cell 116: 109-119.
  • Nawy, T., M. Bayer, J. Mravec, J. Friml, K.D. Birnbaum and W. Lukowitz. 2010. The GATA factor HANABA TARANU is required to position the proembryo boundary in the early Arabidopsis embryo. Dev Cell 19: 103-113.
  • Lampard, G.R., W. Lukowitz, B.E. Ellis and D. Bergmann. 2009. Novel and expanded roles for MPK signaling in Arabidopsis stomatal cell fate revealed by cell type-specific manipulations. Plant Cell 21: 3506-3517.
  • Bayer, M., T. Nawy, C. Giglione, M. Galli, T. Meinnel and W. Lukowitz. 2009. Paternal control of embryonic development in Arabidopsis thaliana. Science 323: 1485-1488.
  • Nawy, T., W. Lukowitz and M. Bayer. 2008. Talk global, act local - embryonic patterning in Arabidopsis. Curr Opin Plant Biol 11: 28-33.
  • Bannigan, A., W.-R. Scheible, W. Lukowitz, C. Fagerstrom, P. Wadsworth, C. Somerville and T.I. Baskin. 2007. A conserved role for kinesin-5 in plant mitosis. J Cell Sci 120: 2819-2827.
  • Jenik, P.D., C.S. Gillmor and W. Lukowitz. 2007. Embryonic patterning in Arabidopsis thaliana. Ann Rev Cell Biol Dev 23: 207-238.
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