ABOUT ME

My work seeks to address a core conundrum in evolutionary biology: is repeated rapid evolution a predictable process in nature? My work investigates patterns of genetic variation in natural and semi-natural lines of D. melanogaster exposed to seasonally varying selection. These findings are of interest to the broader biology community for two reasons: First, because rapid evolution is a core process which allows responses to stressors in the same timescales as ecological changes, this findings will provide insights to research programs in anthropogenic climate change, agriculture, and human health (e.g., antibiotic resistance). And, second, the issue of rapid adaptation taps into a fundamental corollary in evolutionary biology: the idea that evolution is a slow process governed by random genetic drift, where adaptive events are rare outliers. Accordingly, my research will provide insights of whether rapid evolution undermines or synergizes with the current zeitgeist of population genetics. This project is sponsored by Dr. Alan Bergland at UVA.

My doctoral and master's thesis research studied patterns of genetic variation in natural populations of the circumboreal barnacle Semibalanus balanoides. I characterized what loci are under selection at different scales of environmental heterogeneity in intertidal habitats, i.e. upper/lower intertidal, estuaries, etc. My primary goal was to determine the identity of these ecologically important loci (i.e., whether selection is more pervasive in regulatory regions vs. protein coding regions), as well as the mechanisms that underlie their maintenance of genetic variation. As an inhabitant of a boundary ecosystem between areal and marine habitats, genomic studies on S. balanoides provide an invaluable opportunity to gain novel insights into micro-evolutionary responses to climate change. I conducted my research under the mentorship of David M. Rand at Brown University. I also did extensive collaborative work with members of the The Linnaeus Centre for Marine Evolutionary Biology: Kerstin JohannessonAnders Blomberg, and Magnus Rosenblad, working in different aspects of barnacle genomics and ecology. Part of this work is done at Tjärnö Lovéncentret in Sweden. 

 

My undergraduate studies were conducted on the mitochondrial genomics of the marine teleost Fundulus heteroclitus with Margie F. Oleksiak and Doug L. Crawford at the University of Miami

EDUCATION

2020 - Ph.D.

Brown University

Dept. of Ecology and Evolutionary Biology

2018 - Sc.M.

Brown University

Dept. of Ecology and Evolutionary Biology

2015 - Sc.B.

University of Miami (summa cum laude)

Rosenstiel School of Marine and Atmospheric Science

APPOINTMENTS (Recent & Current )

2020-Present

Research Associate

University of Virginia

Dept. of Biology

2017-2020

NSF-GRFP Fellow

Brown University

Dept. of Ecology and Evolutionary Biology

OUTREACH & SERVICE

I currently serve as a Member of the Diversity, Equity and Inclusion university-wide task force “Diversity Influencers” of the University of Virginia, (2020 – present). I also serve as a member of the Postdoctoral Diversity, Equity and Inclusion committee. University of Virginia, Charlottesville (VA, 2020 – present)

I have conducted various educational outreach projects. During my time at Brown I worked with the team from the Brown Junior researchers program. This outreach program with the boys and girls club of Rhode Island that helps students from grades 1 – 5 conduct basic scientific experiments. Our goal is to bring science to the community and get little kids exited about the natural world. Prior to that, I worked with  STEM FYE program at Miami Dade College in Miami, FL. The main goal of these endeavors is to expose high school students, mostly of underrepresented backgrounds in science, to scientific research.

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Website maintained by

 Joaquin C. B. Nunez

© 2020

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