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Conservation Genetics of Freshwater Mussels

Freshwater mussels are recognized as one of the most endangered group of organisms in the world. Scaleshell musselI am currently working on improving our understanding of phylogeography, population structure and genetic variation in freshwater mussels using a variety of molecular tools. I am also interested in understanding the role of processes such as gene flow and natural selection in maintaining genetic variation. 

Ongoing projects in my lab include questions related to species delineation in the genus Cyprogenia; understanding the impacts of gender mediated gene flow; comparing the genetic diversity and population structure of closely related common and endangered species.

Louisiana Pearlshell

One of the first steps towards the long-term conservation of freshwater mussels is understanding the distribution of genetic diversity within a  species.

The entire range of Margaritifera hembeli is contained within two parishes in Louisiana.
My research is investigating the relationship of M. hembeli to other margaritiferids as well as the the distribution of genetic variation across its range in both space and time

Adam R Guenther

Undergraduate Student
Undergraduate Research Assistant
Area of Expertise: 
Aquatic conservation genetics

Katie Miller

Graduate Student
Graduate Student
Area of Expertise: 

The Roe Lab

To date my research in my lab has focused on freshwater mollusks, fishes, and shrimps. I have two major areas of interest, I use phylogenetic methods to understand the evolution of organisms and their distributions, and population genetic tools to aid in conservation of rare species. Because many freshwater organisms are affected by anthropogenic impacts on water quality and availability, much of the work in my lab has involved endangered species.