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Maren L. Friesen

Posted by | February 28, 2021


Maren L. Friesen

Job Title:

Assistant Professor

Work Address:

Department of Plant Biology, Michigan State University, East Lansing, MI 48824-1312 (USA).


Phone Number:




Research Areas:

  • Biological Nitrogen Fixation
  • Nitrogen and Ecosystems

Current N-related Projects:

  • NITROGEN: Oxygen-tolerant Nitrogenase(National Science Foundation, 2013-2016)
  • Dimensions: Collaborative Research: Symbiont and Transcriptomic Niche Dimensions of Long-term Coexistence in Trifolium Communities (NSF, 2014-2017)


Friesen, M. L., & Heath, K. D. (2013) One hundred years of solitude: integrating single-strain inoculations with community perspectives in the legume–rhizobium symbiosis. New Phytologist. DOI: 10.1111/nph.12173

Friesen, M.L.* and Jones, E.I.* (2012) Modelling the Evolution of Mutualistic Symbioses. contributed chapter to Bacterial Molecular Networks: Methods and Protocols (editors: Denis Thieffry; Jacques van Helden; Ariane Toussaint). Springer, 804:481-99.

Friesen, M.L. and Mathias, A. (2010) Mixed infections may promote diversification of mutualistic symbionts: why are there ineffective rhizobia? Journal of Evolutionary Biology 23(2): 323-334. doi:10.1111/j.1420-9101.2009.01902.x

Friesen, M.L. (2012) Widespread fitness alignment in the rhizobia-legume symbiosis. New Phytologist, 194(4): 1096-1111 DOI: 10.1111/j.1469-8137.2012.04099.x.

Friesen M.L., Sachs J.L., Porter S.S., von Wettberg E.J., Stark S.C., Martinez-Romero E. (2011) Microbially Mediated Plant Functional Traits. Annual Review of Ecology, Evolution, and Systematics vol. 42: 23-46 DOI: 10.1146/annurev-ecolsys-102710-145039