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University of Colorado Denver College of Liberal Arts and Sciences

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Faculty & Staff Directory

Annika Mosier, Ph.D.

Assistant Professor

Office Location:  SI 4097

Phone: (303) 352-3702

Fax(303) 556-4352


​2015 Spring Semester Office Hours:

T & THU 2:00p-3:30p

Area of Expertise:

Microbial Ecology, Microbial Biogeochemistry, Aquatic Microbiology 

Ph.D. Stanford University, Department of Environmental Earth System Science (2011)

M.S. University of Nevada, Reno, Department of Environmental and Natural Resource Sciences (2004)

B.A. Willamette University, Major in Biology, Minor in Environmental Science (2000)

Research in the Mosier lab centers around (1) microbial biogeochemistry—understanding microbial function in the environment, and (2) microbial ecology—understanding and predicting the driving factors that shape microbial community structure and function in the environment. Earth's biosphere and climate are regulated by biogeochemical carbon and nitrogen exchanges between the land, oceans and atmosphere that are chiefly driven by microorganisms, and yet much remains to be learned about these critical processes. The Mosier lab examines the biogeochemistry and ecology of carbon and nitrogen cycling microbes in aquatic environments and their responses to environmental change. These themes are addressed by exploring the connections between genes, organisms, communities and the environment through the application of field and laboratory studies.

Select Publications:

Link to Google Scholar Profile page:​


Mosier, A.C.*, Justice, N.B.*, Bowen, B.P., Baran, R., Thomas, B.C., Northen, T.R., and J.F. Banfield.  2013.  Metabolites associated with adaptation of microorganisms to an acidophilic, metal-rich environment identified by stable-isotope-enabled metabolomics.  mBio 4(2):00484-12.  *Contributed Equally


Mosier, A.C., Lund, M.B., and C.A. Francis.  2012.  Ecophysiology of an ammonia-oxidizing archaeon adapted to low-salinity habitats.  Microbial Ecology, 64: 955-963.


Biller, S.J., Mosier, A.C.*, Wells, G.F.*, and C.A. Francis.  2012.  Global biodiversity of aquatic ammonia-oxidizing archaea is partitioned by habitat.  Frontiers in Microbiology, 3: 1–15.  *Contributed Equally


Mosier, A.C., Allen, E.E., Kim, M., Ferriera, S., and C.A. Francis.  2012.  Genome sequence of “Candidatus Nitrosoarchaeum limnia” BG20, a low-salinity ammonia oxidizing archaeon from the San Francisco Bay estuary.  Journal of Bacteriology, 194: 2119-2120.


Mosier, A.C., Allen, E.E., Kim, M., Ferriera, S., and C.A. Francis.  2012.  Genome sequence of “Candidatus Nitrosopumilus salaria” BD31, an ammonia oxidizing archaeon from the San Francisco Bay estuary.  Journal of Bacteriology, 194: 2121-2122.


Mosier, A.C., and C.A. Francis.  2011.  Determining the distribution of marine and coastal ammonia-oxidizing archaea and bacteria using a quantitative approach.  Methods in Enzymology, 486: 205-221.


Blainey, P.C.*, Mosier, A.C.*, Potanina, A., Francis, C.A., and S.R. Quake.  2011.  Genome of a low-salinity ammonia-oxidizing archaeon determined by single-cell and metagenomic analysis.  PLoS ONE, 6: e16626.  *Contributed Equally


Mosier, A.C., and C.A. Francis.  2010.  Denitrifier abundance and activity across the San Francisco Bay estuary.  Environmental Microbiology Reports, 2(5): 667–676.


Mosier, A.C., and C.A. Francis.  2008.  Relative abundance and diversity of ammonia-oxidizing archaea and bacteria in the San Francisco Bay estuary.  Environmental Microbiology, 10(11): 3002-3016.


Mosier, A.C., Murray, A.E., and C.H. Fritsen.  2007.  Microbiota within the perennial ice cover of Lake Vida, Antarctica.  FEMS Microbiology Ecology, 59: 274-288.


Mosier, A.  2006.  Diversity of Life.  In L. Mix, J. Armstrong, A. Mandel, A. Mosier, S. Rao, J. Raymond, S. Raymond, F. Stewart, and O. Zhaxybayeva, eds.  The Astrobiology PrimerAstrobiology, 6 (5): 735-813.



​​BIOL 3654 General Microbiology