Bigelow Laboratory for Ocean Sciences

Ocean Life, Planet Health


Countway - Publications


Kim, D. Y., Countway, P. D., Jones, A. C., Schnetzer, A., Yamashita, W., Tung, C. & Caron, D. A. 2013. Monthly to interannual variability of microbial eukaryote assemblages at four depths in the eastern North Pacific. The ISME Journal, Advance Online Publication

Coyne, K. J., Countway, P. D., Pilditch, C., Lee, C., Caron, D. A. & Cary, S. C. 2013. Diversity and distributional patterns of ciliates in Guaymas Basin hydrothermal vent sediments. The Journal of Eukaryotic Microbiology, 60:433-447


Caron, D. A., Countway, P. D., Jones, A. C., Kim, D. Y. & Schnetzer, A. 2012. Marine Protistan Diversity. In: Carlson, C. A. & Giovannoni, S. J. (eds.) Annual Review of Marine Science, Vol 4. Annual Reviews, Palo Alto. 4:467-493

Howard, M. D. A., Jones, A. C., Schnetzer, A., Countway, P. D., Tomas, C. R., Kudela, R. M., Hayashi, K., Chia, P. & Caron, D. A. 2012. Quantitative Real-Time Polymerase Chain Reaction for Cochlodinium fulvescens (Dinophyceae), A Harmful Dinoflagellate from California Coastal Waters. Journal Of Phycology, 48:384-393

Kim, D. Y., Countway, P. D., Yamashita, W. & Caron, D. A. 2012. A combined sequence-based and fragment-based characterization of microbial eukaryote assemblages provides taxonomic context for the Terminal Restriction Fragment Length Polymorphism (T-RFLP) method. Journal Of Microbiological Methods, 91:527-536


Garneau, M. E., Schnetzer, A., Countway, P. D., Jones, A. C., Seubert, E. L. & Caron, D. A. 2011. Examination of the Seasonal Dynamics of the Toxic Dinoflagellate Alexandrium catenella at Redondo Beach, California, by Quantitative PCR. Applied and Environmental Microbiology, 77:7669-7680

Kim, D. Y., Countway, P. D., Gast, R. J. & Caron, D. A. 2011. Rapid Shifts in the Structure and Composition of a Protistan Assemblage During Bottle Incubations Affect Estimates of Total Protistan Species Richness. Microbial Ecology, 62:383-398

Schnetzer, A., Moorthi, S. D., Countway, P. D., Gast, R. J., Gilg, I. C. & Caron, D. A. 2011. Depth matters: Microbial eukaryote diversity and community structure in the eastern North Pacific revealed through environmental gene libraries. Deep-Sea Research Part I- Oceanographic Research Papers, 58:16-26

Steele, J. A., Countway, P. D., Xia, L., Vigil, P. D., Beman, J. M., Kim, D. Y., Chow, C. E. T., Sachdeva, R., Jones, A. C., Schwalbach, M. S., Rose, J. M., Hewson, I., Patel, A., Sun, F. Z., Caron, D. A. & Fuhrman, J. A. 2011. Marine bacterial, archaeal and protistan association networks reveal ecological linkages. ISME Journal, 5:1414-1425


Countway, P. D., Vigil, P. D., Schnetzer, A., Moorthi, S. D. & Caron, D. A. 2010. Seasonal analysis of protistan community structure and diversity at the USC Microbial Observatory (San Pedro Channel, North Pacific Ocean). Limnology And Oceanography, 55:2381-2396

Gilg, I. C., Amaral-Zettler, L. A., Countway, P. D., Moorthi, S., Schnetzer, A. & Caron, D. A. 2010. Phylogenetic Affiliations of Mesopelagic Acantharia and Acantharian-like Environmental 18S rRNA Genes off the Southern California Coast. Protist, 161:197-211


Caron, D. A. & Countway, P. D. 2009. Hypotheses on the role of the protistan rare biosphere in a changing world. Aquatic Microbial Ecology, 57:227-238

Caron, D. A., Worden, A. Z., Countway, P. D., Demir, E. & Heidelberg, K. B. 2009. Protists are microbes too: a perspective. ISME Journal, 3:4-12

Caron, D. A., Countway, P. D., Savai, P., Gast, R. J., Schnetzer, A., Moorthi, S. D., Dennett, M. R., Moran, D. M. & Jones, A. C. 2009. Defining DNA-based operational taxonomic units for microbial-eukaryote ecology. Applied and Environmental Microbiology, 75:5797-5808

Rose, J. M., Vora, N. M., Countway, P. D., Gast, R. J. & Caron, D. A. 2009. Effects of temperature on growth rate and gross growth efficiency of an Antarctic bacterivorous protist. Isme Journal, 3:252-260

Vigil, P., Countway, P. D., Rose, J., Lonsdale, D. J., Gobler, C. J. & Caron, D. A. 2009. Rapid shifts in dominant taxa among microbial eukaryotes in estuarine ecosystems. Aquatic Microbial Ecology, 54:83-100


Countway, P. D., Gast, R. J., Dennett, M. R., Savai, P., Rose, J. M. & Caron, D. A. 2007. Distinct protistan assemblages characterize the euphotic zone and deep sea (2500 m) of the western North Atlantic (Sargasso Sea and Gulf Stream). Environmental Microbiology, 9:1219-1232


Countway, P. D. & Caron, D. A. 2006. Abundance and Distribution of Ostreococcus sp. in the San Pedro Channel, California, as Revealed by Quantitative PCR. Applied and Environmental Microbiology, 72:2496-2506

Moorthi, S. D., Countway, P. D., Stauffer, B. A. & Caron, D. A. 2006. Use of quantitative real-time PCR to investigate the dynamics of the red tide dinoflagellate Lingulodinium polyedrum. Microbial Ecology, 52:136-150


Countway, P. D., Gast, R. J., Savai, P. & Caron, D. A. 2005. Protistan diversity estimates based on 18S rDNA from seawater incubations in the western North Atlantic. Journal of Eukaryotic Microbiology, 52:95-106

Countway, P. D. 2005. Doctoral Dissertation: Molecular Ecology of Marine Protistan Assemblages. Dept. of Biology: Marine Biology & Biological Oceanography. University of Southern California


Caron, D. A., Countway, P. D. & Brown, M. V. 2004. The growing contributions of molecular biology and immunology to protistan ecology: Molecular signatures as ecological tools. Journal of Eukaryotic Microbiology, 51:38-48


Caron, D. A., Countway, P. D., Lambert, S. E., Rose, J. M. & Schaffner, R. A. 2002. Protozoa in marine and estuarine waters. In: Bitton, G. (ed.) Encyclopedia of Environmental Microbiology. John Wiley & Sons, Inc., New York.2613-2626


Countway, P. D. 1999. Carbon production and growth physiology of heterotrophic bacteria in a subtropical coral reef ecosystem. M.S. Thesis, Virginia Institue of Marine Science, College of William and Mary