Pia Moisander

Associate Professor




Science and Engineering 330 B


1996 University of Helsinki Finland M.S. in Biology
2002 University of North Carolina Chapel Hill Ph.D in Biology


  • Marine Microbiology
  • General Microbiology Laboratory
  • Biology of Cells Laboratory

Research interests

  • Marine microbial ecology
  • Diversity, distributions, and activity of marine microbes contributing to nitrogen fixation
  • Microbially mediated transformations of nitrogen
  • Ecology of toxin-producing cyanobacteria
  • Cyanobacterial blooms

Research activities

  • Microbial associations in zooplankton: significance for the marine nitrogen cycle. NSF-Biological Oceanography. Sep 15 2011 - August 31 2014
  • Linkages between bacteria and the Moon Jelly Aurelia aurita. SMS seed grant (with J. Urban-Rich, UMass Boston)

Select publications

Mulholland MR, Filippino KC, Bernhardt PW, Blanco J, Mondragon E, Turk K, Moisander PH, Zehr JP (2012).
N2 fixation and nifH gene diversity in mid-Atlantic coastal waters
Limnology and Oceanography, 57, 1067-1083.

Moisander PH, Cheshire LA, Braddy J, Calandrino L, Hoffman M, Piehler MF, Paerl HW (2012).
Facultative diazotrophy increases competitive strength of Cylindrospermopsis raciborskii under fluctuating nitrogen availability
FEMS Microbiology Ecology, 79, 800-811.

Moisander PH, Zhang RF, Boyle EA, Hewson I, Montoya JP, Zehr JP (2012).
Analogous nutrient limitations in unicellular diazotrophs and Prochlorococcus in the South Pacific Ocean
The ISME Journal, 6, 733-744.

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