Genome Ecology
         
 
•     Evaluating the Biogeography and Population Genomics of Microbial Populations in Soils.
Recent analyses of microbial genome sequences has revealed remarkable genomic heterogeneity at the level of microbial species, but the ecological and evolutionary implications of these observations remain poorly understood. We are using multiple model systems to explore factors that drive genomic heterogeneity within
   
 
individual populations in soil at the landscape scale. These investigations seek to constrain frequency of recombination within the population (as driven by migration and horizontal gene exchange) and environmental factors that influence recombination within populations. A fundamental goal of this research is to understand the factors that govern the genomic diversity of populations and their implications for the evolution and environmental activity of microorganisms in soils.
 


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