What we do


We study reproductive biology of symbiotic organisms.  In mutualistic symbioses, reciprocal selection for adaptations that prevent partners from cheating often leads to modifications in partner reproductive biology, including the loss of sexual reproduction in one of the partners.  Yet, genetic recombination is important for keeping the mean fitness of a population high through evolutionary time.  We are interested in understanding mechanisms that, in the absence of sex, stabilize mutualistic symbioses over extended evolutionary periods.  Our focal study systems are: (i) arbuscular mycorrhizae and (ii) symbioses between fungi and their endobacteria.


Bacterial endosymbionts of arbuscular mycorrhizal fungi: ecology and evolution

Genome organization and transmission genetics of arbuscular mycorrhizal fungi

The role of common mycorrhizal networks in nutrient translocation

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