Headshot of U N E employee Kelsey Speer

Kelsey Speer, Ph.D.


Assistant Teaching Professor, Biology


Decary 327
Biddeford Campus

Currently teaching BIO 105 - Biology I: Ecology/Evolution and BIO 106 - Biology II: Cellular/Molecular.



Macalester College
University of Pennsylvania

Post-Doctoral Training

Investigated coral reef ecosystem health, cell biology, and climate change
Laboratory of Katie Barott
University of Pennsylvania


Selected publications

  • Speer, K.F., Allen-Waller, L., Novikov, D.R.*, and Barott, K.L. (2021). Molecular mechanisms of sperm motility are conserved in an early-branching metazoan. Proc. Natl. Acad. Sci. U. S. A. 118(48):e2109993118. 

  • Shi, F., Mendrola, J.M., Sheetz, J.B., Wu, N., Sommer, A., Speer, K.F., Noordermeer, J.N., Kan, Z.-Y., Perry, K., Englander, S.W., et al. (2021). ROR and RYK extracellular region structures suggest that receptor tyrosine kinases have distinct WNT-recognition modes. Cell Rep. 37, 109834. 

  • Speer, K.F., Sommer, A., Tajer, B., Mullins, M.C., Klein, P.S., Lemmon, M.A., 2019. Non-acylated Wnts Can Promote Signaling. Cell Reports 26, 875–883.e5. 

  • Bhavanasi, D., Speer, K.F., Klein, P.S., 2016. CKAP4 is identified as a receptor for Dickkopf in cancer cells. J Clin Invest 126, 2419–2421. Commentary. 

  • Padmakumar, V.C., Speer, K., Pal-Ghosh, S., Masiuk, K.E., Ryscavage, A., Dengler, S.L., Hwang, S., Edwards, J.C., Coppola, V., Tessarollo, L., Stepp, M.A., Yuspa, S.H., 2012. Spontaneous skin erosions and reduced skin and corneal wound healing characterize CLIC4(NULL) mice. Am J Pathol 181, 74–84.  

  • Speer, K.F., Cosimini, C.L., Splan, K.E., 2012. Characterization of a heterodimeric Smac-based peptide that features sequences specific to both the BIR2 and BIR3 domains of the X-linked inhibitor of apoptosis protein. Biopolymers 98, 122–130.