People

A picture of Dr. Liz Mandeville

Liz Mandeville, PI

Dr. Mandeville is an assistant professor of computational biology in the Department of Integrative Biology at the University of Guelph. Work in her lab focuses on quantifying and explaining variation in evolutionary processes using high resolution genomic data. Most of her work focuses on freshwater fish facing anthropogenic disturbances, and she often collaborates with conservation and management agencies. She also enjoys learning and teaching new computational approaches and programming languages, and is interested in effective visualization of multidimensional scientific data.

Liz completed her BS in Ecology and Evolutionary Biology at Yale University, followed by a PhD and postdoctoral research at the University of Wyoming.


Ben Schultz, PhD Student

Ben completed a MASc in Environmental Applied Science and Management at Ryerson University, where he focused on parasite ecology, specifically regarding freshwater invertebrates. Ben’s interests include freshwater ecology, parasitology, and more recently, genomics. Part of his PhD in Integrative Biology is focusing on genomic analysis of Chrosomus dace populations, specifically on the hybridization of Chrosomus eos and C. neogaeus and the parental and hybrid sex determination mechanisms.


A picture of Cassandre Pyne

Cassandre Pyne, MSc Student

Cassandre completed her BSc at Queen’s University with a major in Biology and a minor in Computing. For her MSc she’s interested in using bioinformatic and computational tools to investigate evolutionary processes. Specifically, she is focused on determining the genetic basis of sex determination in Catostomus suckers using genomic data as well as bioinformatic tools such as a genome wide association study. Catostomus suckers are freshwater fish that experience contemporary hybridization and varying reproductive isolation between species.


Jillian Campbell, MSc Student

Jillian completed her BSc with a major in Biology at Queen’s University. She is now working towards completing her MSc in Integrative Biology at the University of Guelph. More specifically, for her MSc Jillian is interested in using genetic analyses to determine the effectiveness of a fisheries management intervention at reducing the incidence of hybridization between native and non-native Catostomus suckers. Determining the effectiveness of such operations helps to establish stronger management and conservation approaches in the future.


A picture of Sam Arevalo

Samantha Arevalo, Undergraduate

Sam recently graduated from the University of Guelph with a BSc in Zoology. She aims to work in helping protect SAR species and understanding how humans have impacted aquatic ecology. With the Mandeville lab, she is involved with two main projects: 1) MLWIC for fish hybrids and 2) assessing population dynamics of creek chub. The goal of the MLWIC project is to determine how accurately a machine learning package in R (named MLWIC) can identify hybrid trout species apart from parental species. The creek chub project, which was also her fourth year research project, assesses how anthropogenic barriers affect genetic differentiation of creek chub populations across southwestern Ontario. This ongoing project combines spatial data and genomic analyses to determine how agricultural landscapes play a role in the evolutionary processes of fish.


A picture of Mathew Mervyn

Mathew Mervyn, Undergraduate

Mat is volunteering in the Mandeville lab while completing his BSc in Zoology with a minor in Business at the University of Guelph. He’s interested in population dynamics, inter-species interactions, and human impacts on ecosystems. He also helps out on campus by volunteering in labs and as a volunteer TA for BIOL*1070.


A drawing of Amy Pitura

Amy Pitura, Undergraduate

Amy is a research assistant this summer, and she’ll be finishing her BSc in Marine and Freshwater Biology by the end of the year. She’s passionate about aquatic ecosystems and is excited to contribute to understanding the mechanism of Catostomus and Chrosomus sex determination and how that affects their hybridization. She’s also helping with the Lab’s other projects, such as the MLWIC for fish hybrids project and the agricultural streams project.


A picture of Amanda Meuser

Amanda Meuser, Undergraduate

Amanda is a fourth-year research project student in the Mandeville lab and will be completing her BSc in Molecular Biology and Genetics with a minor in French Studies in the spring. For her research project, she is interested in studying how population genetics of certain freshwater fish species, including creek chub and common shiner, have been altered in agriculturally impacted streams. She is eager to learn more about bioinformatic tools and computational approaches to genomic data analysis.


Alumni of the Lab

Bram Ratz, Master’s in Bioinformatics

Daniel Fabrizio, Undergraduate thesis (MCB)