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See publications listed chronologically

Click on the short descriptions for abstracts and reprints. Note: Articles are cross-listed and may appear in multiple categories.
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Sex Allocation    ·    Signal Theory    ·    Life History Evolution    ·    Stochastic Selection    
Adaptive Dynamics    ·    Gene Networks    ·    Host-Pathogen Interactions    ·    Other

Sexual Selection

Proulx, S.R. and Servedio, M.R. 2009. Dissecting selection on female mating preferences during secondary contact. Evolution 63-8:2031-2046.
  What cues does reinforcement select most strongly for?

Yu, D. W., Proulx, S.R. , and Shepard, G. H. 2007. Masculinity, culture and the Paradox of the Lek. In The Body Beautiful, Swami, V. and Furnham, A. Eds

Lorch, P., Proulx, S.R., Day, T. and Rowe, L. , 2003. Condition dependent sexual selection can accelerate adaptation, Evolutionary Ecology Research 5:867-881.
Sexual selection can speed up adaptation to novel or changing environments.

Proulx, S.R., Day, T. and Rowe, L., Older males signal more reliably, Proceedings: Biological Sciences 269:2291-2299.
How should males change the way they advertise themselves to females as they age?

Proulx, S.R., 2002. Niche Shifts and Expansion Due to Sexual Selection, Evolutionary Ecology Research 4:351-369.
Sexual selection can make it more easy for species to evolve increased niche breadth.

Proulx, S.R., 2001. Female choice via indicator traits easily evolves in the face of recombination and migration, Evolution, 55(12):2401-2411.
Female choice of high quality males can evolve in spatially structured populations because the same preference alleles are selected for in all populations.

Proulx, S.R., 2001. Can behavioural constraints alter the stability of signalling equilibria? Proceedings: Biological Sciences, 268:2307-2313.
What happens when signalers and receivers don't care about the same things?

Proulx, S.R., 1999. Matings systems and the evolution of niche breadth, American Naturalist 154(1):89-98.
Female choice of condition dependent traits can make niche expansion more likely.

Schwartz, T. S., Choi, J, Tae, H., Yang, Y., Mocktalis, K., Van Hemert, J.,Proulx, S.R. and Bronikowski, A. M. 2010. A garter snake transcriptome: pyrosequencing, de novo assembly, and sex-specific differences. BMC Genomics   Sex specific expression differences based on wild-caught populations of snakes.

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Sex Allocation

Schwanz, L.E., Janzen, F.J., and Proulx, S.R. 2009 (online early, in print in 2010). Sex allocation based on relative and absolute condition. Evolution 64:1331-1345.  Variation at multiple scales affects optimal sex allocation strategies in different ways.

Schwanz, L.E. and Proulx, S.R. 2008. Mutual information reveals variation in temperature-dependent sex determination in response to environmental fluctuation, lifespan and selection. Proceedings: Biological Sciences 275:2441-8   Information theory can be used to assess the amount of temperature dependant sex determination.

Proulx, S.R., 2004. Sources of Stochasticity in Models of Sex Allocation in Spatially Structured Populations, The Journal of Evolutionary Biology, 17:924-930.
   Variance due to mortality and foundress features generate selection on sex allocation for the same reasons.

Proulx, S.R., 2003. Book review- Sex Ratios: concepts and research methods, Edited by Ian C. W. Hardy. American Journal of Human Biology 15(2):236-237.
   Download the review.

Proulx, S.R., 2000. The ESS under spatial variation with applications to sex allocation, Theoretical Population Biology 58(1):33-47.
How are evolutionary dynamics affected by individual variation in offspring production?

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Signaling Theory

Proulx, S.R., Day, T. and Rowe, L., Older males signal more reliably, Proceedings: Biological Sciences 269:2291-2299.
How should males change the way they advertise themselves to females as they age?

Proulx, S.R., 2001. Can behavioural constraints alter the stability of signalling equilibria? Proceedings: Biological Sciences, 268:2307-2313.
What happens when signalers and receivers don't care about the same things?

Proulx, S.R., Day, T., The timing of costs and reliable signalling, in preparation.

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Life History Evolution

Proulx, S.R., Day, T. and Rowe, L., Older males signal more reliably, Proceedings: Biological Sciences 269:2291-2299.
How should males change the way they advertise themselves to females as they age?

Proulx, S.R. and Day, T., 2001. What can invasion analyses tell us about evolution under stochasticity in finite populations? Selection: Molecules, Genes, and Memes, 2:2-15.
The geometric mean has been used as a measure of the direction of evolution for decades, but only strictly applies to infinite populations.

Proulx, S.R., 2004. Does sex age you? Science's Aging Knowledge Environment 2004(14) pp. pe14.
   Publishers web site.    Download the article (&copy 2004 by the American Association for the Advancement of Science).

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Stochastic Selection

Proulx, S.R. 2011/12. Multiple routes to Subfunctionalization and Gene Duplicate Specialization. Genetics, Online Ahead of Print  Modeling the process of divergence and duplication when protein sequence and regulatory regions both evolve. 

Shpak, M. and Proulx, S.R. 2007. The role of life cycle and migration in selection for variance in offspring number. Bulletin of Mathematical Biology, 69(3):837-860
    How does selection act on variable offspring number in subdivided populations?

Proulx, S.R., 2004. Sources of Stochasticity in Models of Sex Allocation in Spatially Structured Populations, The Journal of Evolutionary Biology, 17:924-930.
   Variance due to mortality and foundress features generate selection on sex allocation for the same reasons.

Proulx, S.R. and Day, T., 2001. What can invasion analyses tell us about evolution under stochasticity in finite populations? Selection: Molecules, Genes, and Memes, 2:2-15.
The geometric mean has been used as a measure of the direction of evolution for decades, but only strictly applies to infinite populations.

Proulx, S.R., 2000 . The ESS under spatial variation with applications to sex allocation, Theoretical Population Biology 58(1):33-47.
How are evolutionary dynamics affected by individual variation in offspring production?

Proulx, S.R. 2011. The rate of mutli-step evolution in Moran and Wright-Fisher populations. Theoretical Population Biology 80(3):197-207.  Branching process approximations for the rate of fixation of adaptations requiring multiple substitutions. ArXiv version.

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Adaptive Dynamics

Proulx, S.R. and Phillips, P. C. 2006. Allelic divergence precedes and promotes gene duplication. Evolution, 60(5):881-892.
   We discovered that conditions that favor divergence of genes after duplication almost always favor allelic divergence before duplication.

Proulx, S.R. and Day, T., 2001. What can invasion analyses tell us about evolution under stochasticity in finite populations? Selection: Molecules, Genes, and Memes, 2:2-15.
The geometric mean has been used as a measure of the direction of evolution for decades, but only strictly applies to infinite populations.

Proulx, S.R., 2001. Female choice via indicator traits easily evolves in the face of recombination and migration, Evolution, 55(12):2401-2411.
Female choice of high quality males can evolve in spatially structured populations because the same preference alleles are selected for in all populations.

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Gene Networks

Yanchukov, A. and Proulx, S.R. 2011/12. Invasion of gene duplication through masking for maladatpive gene flow. Evolution   Can migration/selection balance select for the spread of gene duplications?

Proulx, S.R. 2011/12. Multiple routes to Subfunctionalization and Gene Duplicate Specialization. Genetics, Online Ahead of Print  Modeling the process of divergence and duplication when protein sequence and regulatory regions both evolve. 

Proulx, S.R. 2011. The rate of mutli-step evolution in Moran and Wright-Fisher populations. Theoretical Population Biology 80(3):197-207.  Branching process approximations for the rate of fixation of adaptations requiring multiple substitutions. ArXiv version.

Proulx, S.R. Smiley, M.W. 2010. The Evolutionary Origins of Gene Regulation. Journal of Experimental Zoology Part B: Molecular and Developmental Evolution 314B:327-340  When can regulation of gene expression evolve by small evolutionary steps?

Smiley, M.W. and Proulx, S.R. 2010. Gene expression dynamics in randomly varying environments. Journal of Mathematical Biology 61:231-251.  How closely does gene expression track the environment when the environment changes at random time points?

Proulx, S. R. , Promislow, D., and Nuzhdin, S. 2007. Direct selection on genetic robustness is revealed in the yeast transcriptome. PLoS ONE 2(9): e911.
    Even while measures of environmental and genetic expression robustenss are correlated, they each have unique patterns of correlation with causal variables.

Teotònio, H., Rose, M. R. and Proulx, S.R. , 2007. Phenotypic plasticity and evolvability: an empirical test with experimental evolution. In Phenotypic Plasticity in Insects, D. Whitman and T. N. Ananthakrishnan, Eds. Science Publishers, Inc. Plymouth, UK.

Proulx, S.R. and Phillips, P. C. 2006. Allelic divergence precedes and promotes gene duplication. Evolution, 60(5):881-892.
   We discovered that conditions that favor divergence of genes after duplication almost always favor allelic divergence before duplication.

Force, A., Cresko, W. A., Pickett, F. B. , Proulx, S.R., Amemiya, C., and Lynch, L. , 2005. The origin of subfunctions and modular gene regulation Genetics, 170:433-446.

Proulx, S.R. , Promislow, D.E.L. and Phillips, P.C. 2005, Network thinking in ecology and evolution. Trends in Ecology and Evolution, 20(6):345-353.
   How can conceiving of biological systems as networks improve our understanding of evolutionary and ecological dynamics?

Proulx, S.R. and Phillips, P.C. 2005, The opportunity for canalization and the evolution of genetic networks. The American Naturalist, 165(2):147-162 .
   Selection for robustness is only on the order of the fitness load available for canalization.

Yook, K., Proulx, S.R., and Jorgenson, E. 2001, Rules of nonallelic noncomplementation at the synapse in Caenorhabditis elegans, Genetics 158(1):209-220.
What patterns of epistasis occur for synaptic function genes in C. elegans?

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Host-Pathogen Interactions

O'Fallon, B., Adler, F. R., and Proulx, S. R. 2007. Quasispecies evolution in subdivided populations favors maximally deleterious mutations. Proceedings: BIological Sciences
    In subdivided populations, selection can favor strains of clonal organisms that have more deleterious mutational effects (but not higher mutation rates). This is basically driven by a migration/colonization advantage.

Day, T., Proulx, S.R. , 2004. A general theory for the evolutionary dynamics of virulence, The American Naturalist, 163(4):E40-E63.
   We incorporate within host genetic variance in models of virulence evolution.

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Other

Hawkins, J.S., Proulx, S.R. , Rapp, R.A., and Wendel, J.F. 2009. Rapid DNA loss as a counterbalance to genome expansion through retrotransposon proliferation in plants. PNAS 106(42):17811-17816   Differential loss of transposable elements in cotton lineages.

O'Fallon, B., Adler, F. R., and Proulx, S. R. 2007. Quasispecies evolution in subdivided populations favors maximally deleterious mutations. Proceedings: BIological Sciences
    In subdivided populations, selection can favor strains of clonal organisms that have more deleterious mutational effects (but not higher mutation rates). This is basically driven by a migration/colonization advantage.

Anderson, J. L., Albergotti, L., Proulx, S. , Peden, C., Huey, R. B., Phillips, P. C. 2007. Thermal preference of Caenorhabditis elegans : a null model and empirical tests. The Journal of Experimental Biology 210:3107-3116.
    Worms with temperature specific movement rates, but no preference, spread themselves uniformly over thermal gradients.

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