Lab Members: Ryoko Oono

Ryoko Oono (Postdoctoral Research Associate)


Ph.D. University of Minnesota, 2010
B.A. Carleton College, 2005

Research Interests

-Symbiotic interactions, plant-microbe endosymbiosis (fungal endophytes, mycorrhizae, legume-rhizobia)
-Mutualism-parasitism continuum
-Evolution (origin and stability) of mutualistic interactions
-Microbial social evolution


Oono, R., Anderson C. G., & Denison, R. F. Failure to fix nitrogen (N2) by nonreproductive symbiotic rhizobia triggers sanctions that reduce fitness of their reproductive clonemates. Proceedings of Royal Society B. (2011) DOI: 10.1098/rspb.2010.2193

Oono, R. & Denison, R. F. Comparing symbiotic efficiency between swollen versus nonswollen rhizobial bacteroids. Plant Physiology. (2010) 154: 1541-1548.

Weiblen, G. D., Lomascolo, S., Oono, R., & Dumont, E. R. Dimorphism in nutritional properties of functionally dioecious figs in New Guinea. Biotropica. (2010) 42: 656-663.

Oono, R., Schmitt, I., Sprent J. I., & Denison, R. F. Multiple evolutionary origins of legume traits leading to extreme rhizobial differentiation. New Phytologist. (2010) 187: 508-520.

Oono, R., Denison, R. F., & Kiers, E. T. Tansley Review: Controlling the reproductive fate of rhizobia: how universal are legume sanctions? New Phytologist. (2009) 183: 967-979.