S. Patricia Stock

Professor - Entomology, Plant Science
Marley 741B
(520) 626-3854 / (520) 621-1317 (Lab)

Educational Background

1992 Ph.D. in Natural Sciences (with honors). National University of La Plata, College of Natural Sciences and Museum Studies, La Plata, Argentina. Major: Parasitology. Dissertation: Entomophilic and Entomopathogenic Nematodes of Coleopteran Pests from the Pampean Region. Advisors: Dr. Carol Sutton (Department of Parasitology) and Dr. Delma Miralles (Department of Zoology). 1991 Teaching credential for higher education. National University of La Plata, College of Natural Sciences and Museum Studies, La Plata, Argentina. 1985 B.S., Biology (Major: Zoology). National University of La Plata, College of Natural Sciences and Museum Studies, La Plata, Argentina.

Research Interests

Insect -nematodes-bacteria symbioses. Nematode-bacteria mutualisms. Multitrophic interactions. Nematode diversity and phylogenetics.

Selected Publications

  • Refereed journal articles (las 3 years, total of 100) Lee, M. M. and Stock, S. P. 2010. A multigene approach for assessing evolutionary relationships of Xenorhabdus spp. (?-Proteobacteria), the bacterial symbionts of entomopathogenic Steinernema nematodes. Journal of Invertebrate Pathology 104, 67-74. Lee, M. M. and Stock, S. P. 2010. Multilocus approach to assessing coevolutionary relationships between Steinernema nematodes (Nematoda: Steinernematidae) and their bacterial symbionts, Xenorhabdus spp (?-Proteobacteria, Enterobacteriaceae). Systematic Parasitology 77, 1-12. Stock, S. P., Selossé, M.A., Bordenstein, S., Odden, J., Oldenberg, D., Reznikoff, W. and Werren, J. H. 2010. Symbiosis instruction: considerations from the education workshop at the 6th ISS Congress. Symbiosis 51, 67-73. Gassmann, A. J. Stock, S. P., Tabashnik, B. E. and Singer, M. J. 2010. Tritrophic effects of host plants on an herbivore–pathogen interaction. Annals of the Entomological Society of America 103, 371-378. Hannon, E. R., Sisterson, M. S., Stock, S. P., Carrière, Y., Tabashnik, B. E. and Gassmann, A. J. 2010. Effects of four nematode species on fitness costs of pink bollworm resistance to Bacillus thuringiensis toxin Cry1Ac. Journal of Economic Entomology 103, 1821-1831. Plichta, K. C., Joyce, S., Waterfield, N., Clarke, D. and Stock S. P. 2009. Heterorhabditis gerrardi n. sp. (Nematoda: Heterorhabditidae): the hidden host of Photorhabdus asymbiotica (Enterobacteriaceae: Gamma-Proteobacteria. Journal of Helminthology 83, 309-320. Hatting, J., Stock, S. P. and Hazir, S. 2009. Diversity and distribution of entomopathogenic nematodes (Steinernematidae, Heterorhabditidae) in South Africa. Journal of Invertebrate Pathology 102,120-128. Powers, T.O., Neher, D.A., Mullin, P. Esquivel, A., Giblin-Davis, R.M., Kanzaki, N., Stock, S. P., Mora, M. M. and Uribe-Lorio, L. 2009. Tropical nematode diversity: vertical stratification of nematode communities in a Costa Rican humid lowland rainforest. Molecular Ecology 18, 985-996. Stock, S. P., Rivera-Orduño, B. and Flores-Lara, Y. 2009. Heterorhabditis sonorensis n. sp. (Nematoda: Heterorhabditidae), a natural pathogen of the seasonal cicada Diceroprocta ornea (Homoptera: Cicadidae in the Sonoran desert. Journal of Invertebrate Pathology 100, 175-184. Gassmann A. J., Fabrick, J.A., Sisterson, M. Hannon, E.R., Stock, S. P., Carrière, Y and Tabashnik, B.E. 2009. Effects of pink bollworm resistance to Bacillus thuringiensis on phenoloxidase activity and susceptibility to entomopathogenic nematodes. Journal of Economic Entomology 102, 1224-1232. Lee, M. M., Sicard, M., Skeie, M, and Stock, S. P. 2009. Steinernema boemarei n. sp. (Nematoda: Steinernematidae), a new entomopathogenic nematode from southern France. Systematic Parasitology 72, 127-141. Xu, Y., Orozco, R., Kithsiri, E.M., Espinosa-Artiles, P. Gunatilaka L., Stock, S. P., and Molnár, I. 2009. Biosynthesis of the cyclooligomer depsipeptide bassianolide, an insecticidal virulence factor of Beauveria bassiana. Fungal Genetics and Biology 46, 353-364. Gassmann, A., Stock, S. P., Sisterson, M. S., Carrière, Y., and Tabashnik, B. E. 2008. Synergism between entomopathogenic nematodes and Bt crops: integrating biological control and resistance management. Journal of Applied Ecology 45, 957-966. Yu, H., Gouge, D. H., Stock, S. P. and Baker, P. B. 2008. Development of entomopathogenic nematodes (Rhabditida: Steinernematidae; Heterorhabditidae) in desert subterranean termite Heterotermes aureus (Isoptera: Rhinotermitidae). Journal of Nematology 40, 311-317. Stock, S. P., Al Banna, L., Katbeh, A. and Darwish, R. 2008. Diversity and distribution of entomopathogenic nematodes (Nematoda: Steinernematidae, Heterorhabditidae) and their bacterial symbionts (Gamma-Proteobacteria: Enterobacteriaceae) in Jordan. Journal of Invertebrate Pathology 98, 228-234. Lopez Nunez, J.C., Plichta, K., Gongora-Botero, C. and Stock, S.P. 2008. A new entomopathogenic nematode, Steinernema colombiense n. sp. (Nematoda: Steinernematidae) from Colombia. Nematology 10, 561-574. Stock, S.P. and Goodrich-Blair, H. 2008. Entomopathogenic nematodes and their bacterial symbionts: the inside out of a mutualistic association. Symbiosis 46, 65-76. Stock, S.P. and Goodrich-Blair, H. 2008. Nematode-bacterium symbioses: crossing kingdom and disciplinary boundaries. Symbiosis 46, 61-64. Emelianoff, V., Le Brun, N., Pagès, Stock, S.P., Tailliez, P., Moulia, C. and Sicard, M. 2008. Isolation and identification of entomopathogenic nematodes and their symbiotic bacteria from Hérault and Gard (Southern France). Journal of Invertebrate Pathology 98, 211-217. Xu, Y., Orozco, R., Kithsri-Wijeratne, E.M., Gunatilaka, A.A., Stock, S. P. and Molnar, I. 2008. Biosynthesis of the cyclooligomer depsipeptide beauvericin, a virulence factor of the entomopathogenic fungus Beauveria bassiana. Chemistry and Biology 15, 898-907. Chapters in Scholarly Books Stock, S.P. 2009. Molecular approaches and taxonomy of insect parasitic and pathogenic nematodes. In: Insect Pathogens: Molecular Approaches and Techniques (Stock, Vandenberg, Boemare and Glazer, eds.) CABI Publishing, Wallingford, UK. pp. 70-98. Stock, S. P. and Hunt, D. J. 2005. Nematode morphology and systematics. In: Grewal, P. S., Ehlers, R. U. and Shapiro-Ilan, D. I. (eds.) Nematodes as biological control agents. CAB International Publishing, Wallingford, UK, pp. 3-43. Kaya, H. K. and Stock, S. P. 1997. Techniques in insect nematology. In: L. A. Lacey (ed.) Manual of techniques of insect pathogens. Academic Press, pp. 281-324. Books Stock, S. P., Boemare, N., Glazer, I. and Vandenberg, J. 2009. Molecular Approaches and Techniques for the Study of Insect Pathogens. CAB International, Wallingford, UK. 417 pp.

Teaching Responsibilities

  • ENTO/ECOL/MIC/VSC 310- LIving in Symbiosis (Fall semester) ENTO 446/EIS 546 Insect Pathogens- (Every other Spring semester)

Areas of Research

  • Biodiversity and Evolutionary Biology
  • Microbiology

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