C. C. Babbitt, R. Haygood, W. J. Nielsen, L. W. Pfefferle, J. Horvath, O. Fedrigo, and G. A. Wray. The impact of positive selection on gene expression during human evolution. In preparation.
D. A. Garfield, D. E. Runcie, C. C. Babbitt, R. Haygood, W. J. Nielsen, and G. A. Wray, 2013. The impact of gene expression variation on the robustness and evolvability of a developmental gene regulatory network. PLOS Biology 11:e1001696.
D. Garfield, R. Haygood, W. J. Nielsen, and G. A. Wray, 2012. Population genetics of cis-regulatory sequences that operate during embryonic development in the sea urchin Strongylocentrotus purpuratus. Evolution and Development 14:152–167.
O. Fedrigo, A. D. Pfefferle, C. C. Babbitt, R. Haygood, C. E. Wall, and G. A. Wray, 2011. A potential role for glucose transporters in the evolution of human brain size. Brain, Behavior and Evolution 78:315–326.
T. A. Oliver, D. A. Garfield, M. K. Manier, R. Haygood, G. A. Wray, and S. R. Palumbi, 2010. Whole-genome positive selection and habitat-driven evolution in a shallow and a deep-sea urchin. Genome Biology and Evolution 2:800–814.
R. Haygood, C. C. Babbitt, O. Fedrigo, and G. A. Wray, 2010. Contrasts between adaptive coding and noncoding changes during human evolution. Proceedings of the National Academy of Sciences of the United States of America 107:7853–7857.
C. C. Babbitt, J. S. Silverman, R. Haygood, J. M. Reininga, M. V. Rockman, and G. A. Wray, 2010. Multiple functional variants in cis modulate PDYN expression. Molecular Biology and Evolution 27:465–479.
L. R. Warner, C. C. Babbitt, A. E. Primus, T. F. Severson, R. Haygood, and G. A. Wray, 2009. Functional consequences of genetic variation in primates on tyrosine hydroxylase (TH) expression in vitro. Brain Research 1288:1–8.
J. Tung, O. Fedrigo, R. Haygood, S. Mukherjee, and G. A. Wray, 2009. Genomic features that predict allelic imbalance in humans suggest patterns of constraint on gene expression variation. Molecular Biology and Evolution 26:2047–2059.
R. Haygood and M. Turelli, 2009. Evolution of incompatibility-inducing microbes in subdivided host populations. Evolution 63:432–447.
J. L. Walters, E. M. Binkley, R. Haygood, and L. A. Romano, 2008. Evolutionary analysis of the cis-regulatory region of the spicule matrix gene SM50 in strongylocentrotid sea urchins. Developmental Biology 315:567–578.
C. C. Babbitt, R. Haygood, and G. A. Wray, 2007. When two is better than one. Cell 131:225–227.
R. Haygood, O. Fedrigo, B. Hanson, K.-D. Yokoyama, and G. A. Wray, 2007. Promoter regions of many neural- and nutrition-related genes have experienced positive selection during human evolution. Nature Genetics 39:1140–1144.
B. W. Spitzer and R. Haygood, 2007. Migration load and the coexistence of ecologically similar sexuals and asexuals. American Naturalist 170:567–572.
Sea Urchin Genome Sequencing Consortium, 2006. The genome of the sea urchin Strongylocentrotus purpuratus. Science 314:941–952.
R. Haygood, 2006. Mutation rate and the cost of complexity. Molecular Biology and Evolution 23:957–963.
R. Haygood, 2004. Sexual conflict and protein polymorphism. Evolution 58:1414–1423.
R. Haygood, A. R. Ives, and D. A. Andow, 2004. Population genetics of transgene containment. Ecology Letters 7:213–220.
R. Haygood, A. R. Ives, and D. A. Andow, 2003. Consequences of recurrent gene flow from crops to wild relatives. Proceedings of the Royal Society of London Series B, Biological Sciences 270:1879–1886.
R. Haygood, 2002. Coexistence in MacArthur-style consumer–resource models. Theoretical Population Biology 61:215–223.
R. Haygood, 1994. Native code compilation in SICStus Prolog. P. Van Hentenryck (editor), Proceedings of the Eleventh International Conference on Logic Programming, MIT Press, pp. 190–204.
B. K. Holmer, B. Sano, M. Carlton, P. Van Roy, R. Haygood, W. R. Bush, A. M. Despain, J. M. Pendleton, and T. P. Dobry, 1990. Fast Prolog with an extended general purpose architecture. Proceedings of the 17th International Symposium on Computer Architecture, IEEE Computer Society Press, pp. 282–291.