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   Research and Theoretical Biology
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   Steve Proulx Research      Proulx CV

Professional Experience  CV    CV  Publications  CV    CV  Presentations

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CURRENT POSITION

  Assistant Professor    
  Department of Ecology, Evolution & Marine Biology    
  UC Santa Barbara phone:(805)893-4086  
  4109 LSB fax:(805)893-4724  
  Santa Barbara, CA, 93106 e-mail: proulx(at)lifesci.ucsb.edu  

EDUCATION
Ph.D.  University of Utah , Department of Biology, May, 2000
  CV  The evolutionary dynamics of niche breadth, female choice, and male advertising
  CV  Thesis advisor: Frederick R. Adler
B.A.  University of California, Santa Cruz 1993
  CV  Thesis advisors: Burney LeBoeuf and Marshall Sylvan

 

PROFESSIONAL EXPERIENCE
2010-present   Associate Professor, UC Santa Barbara
2008-2010       Assistant Professor, UC Santa Barbara
2005-2008       Assistant Professor, Iowa State University
2001-2005       Postdoctoral Fellow- University of Oregon
2000-2001       Toronto Postdoctoral Fellowship in Evolutionary Ecology

WORKSHOPS, SYMPOSIA, ETC
2008   Rice University Computational and Theoretical Biology Symposium
2008   University of Michigan Early Career Scientist Symposium
2007   EPA International Science Forum on Computational Toxicology
2007   NESCent working group: Variaiton in Genetic Networks
2007   Santa Fe Institute workshop "Complexities in Aging"
2005   NESCent Catalysis Meeting- Integrated Studies of Genetic Networks
2000  Connectivity of migratory populations and its consequences for population dynamics and microevolutionary processes., Edgewater, MD.
1999  European Science Foundation Workshop- Selection in Genetically and Spatially Structured Populations., Edinburgh, UK.
1995  Special Year in Mathematical Biology., Salt Lake City, Utah.

FUNDING
2008  NSF (Advancing Theory in Biology): The origin of genetic interactions by natural selection
2003  NIH NRSA Fellowship: Robustness and Genetic Variation in Gene Networks
1999  University of Utah Graduate School Travel Award
1996  Sigma Xi Grant in Aid
1993  Department of Biology Undergraduate Research Award
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PUBLICATIONS    See publications listed by topic or from ISI

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. 2012. Multiple routes to Subfunctionalization and Gene Duplicate Specialization. Genetics, 190: 737-751  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.

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.

Proulx, S.R. Adler, F.R. 2010. The standard of neutrality: still flapping in the breeze? Journal of Evolutionary Biology 23: 1339-1350.  Applying the neutrality concept to understand organismal and genetic evolution.

Proulx, S.R. 2010. (Book Review)Sex Allocation. By Stuart West. Princeton, New Jersey: Princeton University Press (2009). Animal Behaviour .  Book Review

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?

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.

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.

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?

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. 2008. Review of Modeling Biology: Structures, Behaviors, Evolution. Edited by Manfred D. Laubichler and Gerd B. Müller. Quarterly Review of Biology 83:295-6     Book Review

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.

O'Fallon, B., Adler, F. R., and Proulx, S. R. 2007. Quasispecies evolution in subdivided populations favors maximally deleterious mutations. Proceedings: BIological Sciences 274:3159-3164
    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.

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.

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

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. 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. , 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.

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.

Day, T. and 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.

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., 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).

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 speeds up adaptation to changing environments.

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.

Proulx, S.R., Day, T. and Rowe, L., 2002. 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?

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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. 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.

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?

Yook, K., Proulx, S.R., 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?

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. 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.

PUBLICATIONS IN PREPARATION
Proulx, S.R. and Smiley, M. The Evolutionary Origins of Genetic Regulation.
Smiley, M. and Proulx, S.R. Gene Expression Dynamics in Randomly Varying Environments.
Proulx, S.R. and Adler, F.R. The standard of neutrality: Still flapping in the breeze?
   Return to the top of the page   CONFERENCE PRESENTATIONS

Proulx, S.R., 2004. Evolution of regulatory specificity, Invited speaker at the University of Oregon and Indiana University joint NSF IGERT Symposium on The Evolution of Gene Regulation.

Proulx, S.R., and Phillips, P. C. 2003. Limits on the evolution of genetic canalization in genetic networks, Presented paper at the Society for the Study of Evolution Meeting.

Proulx, S.R., and Adler, F. R. 2002. Metapopulation structure favors reduced mutation repair, Presented paper at the Society for the Study of Evolution Meeting.

Proulx, S.R., 2001. Selection for increased deleterious mutations in a metapopulation. Presented paper-- CalPEG.

Proulx, S.R., and Day, T. 2001. What can invasion analyses tell us about evolution under stochasticity in finite populations? Presented paper at the Society for the Study of Evolution Meeting.

Lorch, P., Proulx, S.R., Day, T., and Rowe, L. 2001. Sexual selection accelerates adaptation by natural selection. Presented paper at the Society for the Study of Evolution Meeting.

Lorch, P. and Proulx, S.R. 2000. Evolution via sexual selection with evolving covariances and condition dependence presented poster at the Society for the Study of Evolution Meeting.

Proulx, S.R. 1999. Dispersal without gene flow: Female choice of locally adapted mates effectively alters spatial structure, spoken paper at the European Science Foundation Workshop on Selection in Genetically and Spatially Structured Populations.

Proulx, S.R. 1999. Spatial heterogeneity can resolve the paradox of the lek, presented poster at the Seventh Congress of the European Society for Evolutionary Biology.

Proulx, S.R. 1998. An egg in the hand is worth two sperm in the bush, spoken paper at the 7th International Behavioral Ecology Congress.

Proulx, S.R. 1996. Sexual selection and local adaptation are reciprocally enhancing, presented poster at the 6th International Behavioral Ecology Congress.

Proulx, S.R., Adler, F.R. 1995. The effects of pollinator agents on sex allocation in hermaphroditic plants, presented poster at the Ecological Society of America annual meeting.

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