Palmer, C.A., A. Picard, R. A. Watts, L. D. Houck and S. J. Arnold. 2008. Rapid evolution of Plethodontid Modulating Factor (PMF), a hypervariable salamander courtship pheromone, is driven by positive selection. Journal of Molecular Evolution (submitted).

Palmer, C. A., D. M. Hollis, R. A. Watts, L. D. Houck, M. A. McCall, R. G. Gregg and S. J. Arnold.  2007.  Plethodontid modulating factor (PMF), a hypervariable salamander courtship pheromone in the three-finger protein superfamily.  FEBS Journal 274: 2300-2310. pdf

Houck, L.D., R.A. Watts, L.M. Mead, C.A. Palmer, S.J. Arnold, P.W. Feldhoff and R.C. Feldhoff. 2007. A candidate vertebrate pheromone, SPF, increases receptivity in female salamanders. IN: Chemical Signals in Vertebrates XI., J. Hurst, R. Beynon and D. Muller-Schwarze (Eds), Springer. In Press.

Houck, L.D., C.A. Palmer, R.A. Watts, S.J. Arnold, P.W. Feldhoff and R.C. Feldhoff. 2007. A new vertebrate courtship pheromone, PMF, affects female receptivity in a terrestrial salamander. Animal Behaviour 73(2):315-320. pdf

Palmer, C.A., R.A Watts, L.D. Houck, A.L. Picard, and S.J. Arnold. 2007. Evolutionary replacement of pheromone components in a salamander signaling complex: more evidence for phenotypic-molecular decoupling.  Evolution 61(1):202-15. pdf

Estes, S. and S. J. Arnold. 2007.  Resolving the paradox of stasis:  models with stabilizing selection explain evolutionary divergence on all timescales.  American Naturalist 169:227-244. pdf

Fontana, M.F., L.D. Houck and N. Staub.  2007.  In situ localization of plethodontid courtship pheromone mRNA in formalin-fixed tissue.  General & Comparative Endocrinology 150:480-485. pdf

Wirsig-Wiechmann, C.R., L.D. Houck, J.M. Wood, P. W. Feldhoff and R.C. Feldhoff.  2006.  Male Pheromone Protein Components Activate Female Vomeronasal Neurons in the Salamander Plethodon shermani.  BMC Neuroscience 7,26. doi:10,1186/1471-2202-7-26. pdf

Schubert, S.N., L.D. Houck, P.W. Feldhoff, R.C. Feldhoff and S.K. Woodley.  2006.  Effects of androgens on behavioral and vomeronasal responses to chemosensory cues in male terrestrial salamanders (Plethodon shermani).  Hormones & Behavior 50: 469-476. pdf

Hollis, D.M., E.J. Coddington and F.L. Moore.  2006.  Neuroanatomical distribution of cannabinoid receptor gene expression in the brain of the rough-skinned newt, Taricha granulosa.  Brain, Behavior, and Evolution 67(3): 135-149. pdf

Dyal, L. 2006. Novel courtship behaviors in three small eastern Plethodon species. Journal of Herpetology 40:55-65. pdf

Palmer, C.A. and L.D. Houck.  2005.  Responses to sex- and species-specific chemical signals in allopatric and sympatric salamander species.  Pp. 32-41  In: R.T. Mason, M.P. LeMaster and D. Muller-Schwarze, (eds.), Chemical Signals in Vertebrates, 10.  Kluwer Academic/Plenum Publishers, New York, NY.

Palmer, C.A., R.A. Watts, R.G. Gregg, M.A. McCall, L.D. Houck, R. Highton and S.J. Arnold.  2005.  Lineage-specific differences in evolutionary mode in a salamander courtship pheromone. Mol. Biol. Evol. 22: 2243-2256. pdf

Picard, A.L.  2005. Courtship in the Zig-zag Salamander (Plethodon dorsalis):  insights into a transition in pheromone delivery behavior.  Ethology 111: 799-809.

Hollis, D.M., J. Chu, E.A. Walthers, B.L. Heppner, B.T. Searcy and F.L. Moore. 2005.  Neuroanatomical distribution of vasotocin and mesotocin in two urodele amphibians (Plethodon shermani and Taricha granulosa) based on in situ histochemistry.  Brain Res. 1035: 1-12. pdf

Laberge, F. and G. Roth.  2005. Connectivity and cytoarchitecture of the ventral telencephalon in the salamander Plethodon shermani. Journal of Comparative Neurology 482: 176-200. pdf

Schülert, N. and U. Dicke.  2005.  Dynamic response properties of visual neurons and context-dependent surround effects on receptive fields in the tectum of the salamander Plethodon shermani.  Neuroscience 134:617-632. pdf

Landwehr, S. and U. Dicke.  2005.  Distribution of GABA, glycine and glutamate in neurons of the medulla oblongata and their projections to the midbrain tectum in plethodontid salamanders.  Journal of Comparative Neurology 490: 145-162. pdf

Watts, R.A., C.A. Palmer, R.C. Feldhoff, P.W. Feldhoff, L.D. Houck, A.G. Jones, M.E. Pfrender, S.M. Rollmann and S.J. Arnold.  2004.  Stabilizing selection on behavior and morphology masks positive selection on the signal in a salamander pheromone signaling complex.  Molecular Biology & Evolution 21(5):1032-1041. pdf

Arnold, S. J.  2004.  Performance surfaces and adaptive landscapes.  Integrative & Comparative Biology 43: 579-584. pdf

Mead, L.S. and S.J. Arnold. 2004. Quantitative genetic models of sexual selection. TRENDS in Ecology & Evolution 19(5): 264-271. pdf

Rollmann, S.M., L.D. Houck and R.C. Feldhoff.  2003.  Conspecific and heterospecific pheromone effects on female receptivity.  Animal Behaviour 66: 857-861. pdf

Houck, L.D. and S.J. Arnold.  2003.  Courtship and mating behavior.  Pp. 383-424. In:  D.M. Sever (ed.), Phylogeny and Reproductive Biology of Urodela (Amphibia).  Science Publishers, Enfield, New Hampshire. pdf

Boake, C. R. B., S. J. Arnold, F. Breden, L. Meffert, M. Ptacek, M. Ritchie, B. Taylor, J. B. Wolf, and A. J. Moore.  2002.  Genetic tools for studying adaptation and the evolution of behavior. American Naturalist 160(Sup.): S143-S159. pdf

Arnold, S. J.  2003.  Too much natural history, or too little?  Animal Behaviour 65: 1065-1068. pdf

Wirsig-Wiechmann, C. R., L. D. Houck, P. W. Feldhoff and R. C. Feldhoff.  2002.  Pheromonal activation of vomeronasal neurons in plethodontid salamanders. Brain Research 952: 335-344. pdf