Thomas Davis

Graduate Program Coordinator
Phone: (603) 862-3217
Office: Agriculture, Nutrition, & Food Systems, Rudman Hall Rm 104, Durham, NH 03824

My research is concerned with the genetic analysis and manipulation of economically important plants, with current emphasis on strawberry, quinoa, and some other cultivated and weedy species. We are using a combination of conventional, molecular, and cytogenetic techniques to construct strawberry genome maps, to compare genome structures among strawberry (Fragaria) species, and to trace the evolutionary history of the strawberry. The development of new types of molecular markers useful for plant genome mapping and phylogenetic investigations is also an important focus. We are assembling locally adapted germplasm from the genus Chenopodium as a foundation for a genomic project relevant to the re-domestication of quinoa. Finally, we are identifying, cloning, and characterizing genes for economically important traits such as disease resistance, flowering habit, and others.


  • Ph.D., University of California - Davis
  • B.S., Biology, California Polytechnic State University - San Luis Obispo

Courses Taught

  • ANFS 997: ANFS Seminar
  • BIOL 409: Introductory Botany
  • GEN 772: Evolutionary Genetic of Plants
  • GEN 999: Doctoral Research
  • INCO 796: Cosmology & Our View of World
  • PBIO 999: Doctoral Research

Selected Publications

Neff, E., Sullivan, J. R., & Davis, T. M. (2018). Enhanced Documentation of Chenopodium foggii (Amaranthaceae) in Northern New England. Rhodora, 120(983), 257-259. doi:10.3119/18-02

Smith, R. G., Birthisel, S. K., Bosworth, S. C., Brown, B., Davis, T. M., Gallandt, E. R., . . . Warren, N. D. (2018). Environmental Correlates with Germinable Weed Seedbanks on Organic Farms across Northern New England. Weed Science, 66(1), 78-93. doi:10.1017/wsc.2017.40

Opazo, M. C., Lizana, R., Stappung, Y., Davis, T. M., Herrera, R., & Moya-León, M. A. (2017). XTHs from Fragaria vesca: genomic structure and transcriptomic analysis in ripening fruit and other tissues. BMC Genomics, 18(1). doi:10.1186/s12864-017-4255-8

Yang, Y., & Davis, T. M. (2017). A New Perspective on Polyploid Fragaria (Strawberry) Genome Composition Based on Large-Scale, Multi-Locus Phylogenetic Analysis. Genome Biology and Evolution, 9(12), 3433-3448. doi:10.1093/gbe/evx214

Mathey, M. M., Mookerjee, S., Mahoney, L. L., Gündüz, K., Rosyara, U., Hancock, J. F., . . . Finn, C. E. (2017). Genotype by environment interactions and combining ability for strawberry families grown in diverse environments. Euphytica, 213(5). doi:10.1007/s10681-017-1892-6

Bassil, N. V., Davis, T. M., Zhang, H., Ficklin, S., Mittmann, M., Webster, T., . . . van de Weg, E. (2015). Development and preliminary evaluation of a 90 K Axiom® SNP array for the allo-octoploid cultivated strawberry Fragaria
ananassa. BMC Genomics, 16(1). doi:10.1186/s12864-015-1310-1

Shulaev, V., Sargent, D. J., Crowhurst, R. N., Mockler, T. C., Folkerts, O., Delcher, A. L., . . . Folta, K. M. (2011). The genome of woodland strawberry (Fragaria vesca). Nature Genetics, 43(2), 109-116. doi:10.1038/ng.740

Folta, K. M., & Davis, T. M. (2006). Strawberry Genes and Genomics. Critical Reviews in Plant Sciences, 25(5), 399-415. doi:10.1080/07352680600824831

Sargent, D. J., Davis, T. M., Tobutt, K. R., Wilkinson, M. J., Battey, N. H., & Simpson, D. W. (2004). A genetic linkage map of microsatellite, gene-specific and morphological markers in diploid Fragaria. Theoretical and Applied Genetics, 109(7), 1385-1391. doi:10.1007/s00122-004-1767-9

Davis, T. M., & Yu, H. (1997). A Linkage Map of the Diploid Strawberry, Fragaria vesca. Journal of Heredity, 88(3), 215-221. doi:10.1093/oxfordjournals.jhered.a023091

Most Cited Publications