Andrea L. Case, PhD

Kent State University - Biological Sciences

Education

  • B.A | 1994 | University of North Carolina at Greensboro, Biology
  • PhD | 2000 | University of Toronto

Select Publications

  • Hovatter, S.R., C.B. Blackwood & A.L. Case. 2013. Conspecific plant-soil feedback scales with population size in Lobelia siphilitica (Lobeliaceae). Oecologia, doi:10.1007/s00442-013-2710-z.
  • Caruso, C.M. & A.L. Case. 2013. Testing models of sex-ratio evolution in a gynodioecious plant: female frequency co-varies with the cost of male fertility restoration. Evolution 67:561-566.
  • Caruso, C.M., A.L. Case, & M.F. Bailey. 2012. The evolutionary ecology of cytonuclear interactions in angiosperms. Trends in Plant Science 17: 638-643.
  • Mower, J.P., A.L. Case, E.R. Floro, & J.H. Willis. 2012 Evidence against equimolarity of large repeat arrangements and a predominant master circle structure of the mitochondrial genome from a monkeyflower (Mimulus guttatus) lineage with cryptic CMS. Genome Biology & Evolution 4: 670-686.
  • Karron, J.D., C.T. Ivey, R.J. Mitchell, M. Whitehead, R. Peakall, & A.L. Case. 2012. New perspectives on the evolution of plant mating systems. Annals of Botany 109(3): 493-503.

My research is focused on the evolution of reproductive systems in flowering plants. I am particularly interested in understanding sexual diversity – for example, why some groups of organisms are hermaphrodites while others are predominantly composed of males and females. Most flowering plant species exhibit some form of hermaphroditism, where individuals function as both male and female, while only about 6% of flowering plants consist of separate females and males. These strategies are completely reversed in animals, where majority of species have separate sexes. I’m interested in finding genetic, life history, and ecological factors that contribute to the evolutionary dynamics of sexual systems. My main approach is to study evolution in a “transitional” sexual system, known as gynodioecy, where females and hermaphrodites co-exist within populations. Gynodioecy is thought to be the most common pathway through which completely separate sexes has evolved from hermaphroditism. Intermediate stages provide us with important clues as to how and why sexual systems change over time. For more information see lab website.

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