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Name: John Mercer

Title: PhD, MRI PI


Phone: 406-452-6208


University of Iowa, BS, 1979, Zoology

University of California, San Diego, PhD, 1986, Biology



1986-1991 Leukemia Society of America Postdoctoral Fellow. Mammalian Genetics Laboratory, National Cancer Institute, Frederick, MD

1991-1995 Assistant Professor. Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX

1995-2006 Scientist (Associate Professor). McLaughlin Research Institute, Great Falls, MT

2006-present Professor. McLaughlin Research Institute, Great Falls, MT

October 2009-August 2011 Visiting Scholar. Department of Biochemistry, Stanford University School of Medicine, Stanford, CA

August 2011-present Visiting Professor. inStem/National Centre for Biological Sciences, Bangalore, Karnataka, India


Major Areas of Research

Molecular mechanisms of inherited cardiomyopathies.

Unconventional myosins in organelle and RNA transport.


Current Publications 

Sotelo, J.R., Canclini, L., Kun, A., Sotelo-Silveira, J.R., Xu, L., Wallrabe, L., Calliari, A., Rosso, G., Cal, K., and Mercer, J.A.  2013.  Myosin-Va-dependent cell-to-cell transfer of RNA from Schwann cells to axons.   PLoS ONE 8(4): e61905. doi:10.1371/journal.pone.0061905. (link)

Margaret Sunitha S., Mercer, J.A., Spudich, J.A., and Sowdhamini R. 2012.  Integrative structural modelling of the cardiac thin filament: energetics at the interface and conservation patterns reveal a spotlight on period 2 of tropomyosin.  Bioinform Biol Insights. 6:203-23. (link)

Wöllert, T., A. Patel, Y.-L. Lee, D.W. Provance, V. Vought, M.S. Cosgrove, J.A. Mercer,and G.M. Langford. 2011.  Myosin-Va tail associates directly with Rab3A-containing compartments in neurons. J. BiolChem, 286: 14352-14361. (link)

Wang, Z., Edwards, J.G., Riley, N., Provance, D.W., Karcher, R.L., Li, X., Davison, I.G., Ikebe, M.,Mercer, J.A., Kauer, J.A., and Ehlers, M.D. (2008).  Myosin-Vb mobilizes recycling endosomes and AMPA receptors for postsynaptic plasticity.  Cell 135: 535-548. (link)

Provance, D.W., E.J. Addison, P.R. Wood, D.Z. Chen, R.L. Karcher, C.M. Silan, and J.A. Mercer (2008).  Myosin-Vb functions as a peripheral, dynamic tether for endocytic compartments during transferrin trafficking.  BMC Cell Biology 8: 44. (link)

Salerno, V.P., Calliari, A., Provance, D.W., Sotelo-Silveira, J.R., Sotelo, J.R., and Mercer, J.A. (2008).  Myosin-Va mediates RNA localization in primary fibroblasts from multiple organs.  Cell Motil. Cytoskel., 65: 422-433. (Download PDF)

Stauffer, E.A., Scarborough, J.D., Hirono, M., Miller, E.D., Shah, K., Mercer, J.A., Holt, J.R., and Gillespie, P.G. (2005). Fast adaptation in vestibular hair cells requires myosin-1c Activity. Neuron 47: 541-553. (Download PDF)

D.W. Provance, C.R. Gourley, C.M. Silan, L.C. Cameron, K.M. Shokat, J.R. Goldenring, K.Shah, P.G. Gillespie, and J.A. Mercer (2004).  Chemical-genetic inhibition of a sensitized mutant myosin-Vb demonstrates a role in peripheral-pericentriolar membrane traffic.  Proc. Nat. Acad. Sci., 101, 1868-1873. (Download PDF)

Holt, J.R., Gillespie, S.K.H., Provance, D.W., Shah, K., Shokat, K.M., Corey, D.P., Mercer, J.A. and Gillespie, P.G. (2002).  A chemical-genetic strategy implicates myosin-1c in adaptation by hair cells.  Cell 108, 371-381. (Download PDF)

Provance, D.W., James, T.L. and Mercer, J.A. (2002).  Melanophilin, the product of the leaden locus, is required for targeting of myosin-Va to melanosomes.  Traffic 3,124-132. (link)

                                            For more information, please contact the CSFN Office at:

                                                        Phone: (406) 243-4324                                  Email:

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