Publications

Goebel, N.L., C.A. Edwards, J.P. Zehr, and M. Follows. Modeled Phytoplankton Productivity and Diversity in the California Current System. Submitted

Fiechter and C. A. Edwards, Diagnostic calculations of phytoplankton chlorophyll-to-carbon ratios using a coupled physical-biological model for the California Current. Submitted

Thompson, A., R.A. Foster,. A Krupke, Carter, B., D. Vaulot, Kuypers M., J. P. Zehr. Novel unicellular cyanobacterium is symbiotic with a single-celled eukaryotic alga. Submitted

Robidart, J., I. N. Ilikchyan, and J. P. Zehr. ‘Omics’-enabled microbial sensors on ocean platforms. Molecular Biological Technologies for Ocean Sensing. Humana Press. In press

H. Song, C. A. Edwards, A. M. Moore, J. Fiechter, Incremental four-dimensional variational data assimilation of positive-definite oceanic variables using a logarithm transformation, Ocean Modeling, in press.

M. G. Jacox and C. A. Edwards (2012), Upwelling source depth in the presence of nearshore wind stress curl, J. Geophys. Res., 117, C05008, doi:10.1029/2011JC007856.

Wilson, S.T., Z. S. Kolber, S. Tozzi, J. P. Zehr and D. M. Karl 2012. Nitrogen fixation, hydrogen cycling, and electron transport kinetics in Trichodesmium erythraeum (Cyanobacteria) strain IMS101. Journal of Phycology DOI: 10.1111/j.1529-8817.2012.01166.x

Paerl, R. W., K. A. Turk, R. Beinart, F. P. Chavez, and J. P. Zehr. 2011. Seasonal change in the abundance of Synechococcus and multiple distinct phylotypes in Monterey Bay determined by rbcL and narB quantitative PCR. Environ. Microbiol. 14(3):580-593; doi: 10.1111/j.1462-2920.2011.02594.x

Robidart, J., C. M. Preston, R. W. Paerl, K. A. Turk, A. C. Mosier, C. A. Francis, C. A. Scholin, and J. P. Zehr. 2011. Seasonal Synechococcus and Thaumarchaeal population dynamics examined with high resolution with remote in situ instrumentation. ISME J. 6:513-523; doi:10.1038/ismej.2011.127

Bench, S. R., I. N. Ilikchyan, H. J. Tripp, and J. P. Zehr. 2011. Two strains of Crocosphaera watsonii with highly conserved genomes are distinguished by strain-specific features. Front. Microbio. 2:261. doi: 10.3389/fmicb.2011.

Tripp, H. J., I. Hewson, S. Boyarsky, J. Stuart, and J. P. Zehr. 2011. Misannotations of rRNA can now generate 90% false positive protein matches in metatranscriptomic studies. Nucleic Acids Res 39(20):8792-8802; doi: 10.1093/nar/gkr576

Preston, C. M., A. Harris, J. P. Ryan, B.Roman, R. Marin III, S. Jensen, C. Everlove, J. Birch, J. M. Dzenitis, D. Pargett, M. Adachi, K. Turk, J. P Zehr, and C. A. Scholin. 2011. Underwater application of quantitative PCR on an ocean mooring. PloS ONE 6(8):e22522 doi:10.1371/journal.pone.0022522

Zehr, J. P., J. Robidart, and C. Scholin. 2011. Marine microorganisms, biogeochemical cycles, and global climate change. Microbe. 6(4):169-175.

Paerl, R. W., K. S. Johnson, R. M. Welsh, A. Z. Worden, F. P. Chavez, and J. P. Zehr. 2011. Differential distributions of Synechococcus subgroups across the California Current System. Front. Aquat. Microb. 2:59. doi: 10.3389/fmicb.2011.00059

Goebel, N. L., C. A. Edwards, J. P. Zehr, and M. J. Follows. 2010. An emergent community ecosystem model applied to the California Current System. J. Mar. Syst. 83:221-241

Foster, R. A., N. L. Goebel, and J. P. Zehr. 2010. Isolation of Calothrix rhizosoleniae (Cyanobacteria) strain SC01from Chaetoceros (Bacillariophyta) spp. diatoms of the subtropical north Pacific Ocean. J. Phycol. 46:1028-1037.

Wilson S. T., S. Tozzi, R. A. Foster, I. Ilikchyan, Z. S. Kolber, J. P. Zehr, and D. M. Karl. 2010. Hydrogen cycling by the unicellular marine diazotroph Crocosphaera watsonii strain WH8501. Appl Environ Microbiol. 76(20):6797-6803.

Goebel, N. L., K. A. Turk, K. M. Achilles, R. W. Paerl, I. Hewson, A. E. Morrison, J. P. Montoya, C. A. Edwards and J. P. Zehr. 2010. Abundance and distribution of major groups of diazotrophic cyanobacteria and their potential contribution to N2 fixation in the tropical Atlantic Ocean. Environ. Microbiol. 12(12):3272-3289.

Bothe, H., H. J. Tripp, and J. P. Zehr. 2010. Unicellular cyanobacteria with a new mode of life: the lack of photosynthetic oxygen evolution allows nitrogen fixation to proceed. Arch. Microbiol. 192:783-790, DOI 10.1007/s00203-010-0621-5

Pennebaker, K., K. R. M. Mackey, R. M. Smith, S. B. Williams, and J. P. Zehr. 2010. Diel cycling of DNA staining and nifH gene regulation in the unicellular cyanobacterium Crocosphaera watsonii Strain WH8501 (Cyanophyta). Environ. Microbiol. 12(4):1001-1010.

Hewson, I., R. S. Poretsky, H. J. Tripp, J. P. Montoya, and J. P. Zehr. 2010. Spatial patterns and light-driven variation of microbial population gene expression in surface waters of the oligotrophic open ocean. Environ. Microbiol. 12(7):1940-1956, Doi:10.1111/j.1462-2920.2010.02198.x

Tripp, H. J., S. Bench, K. Turk, R. A. Foster, B. Desany, F. Niazi, J. P. Affourtit, and J. P. Zehr. 2010. Metabolic streamlining in an open ocean nitrogen-fixing cyanobacterium. Nature 464:90-94.

Shi, T., I. Ilikchyan, S. Rabouille, and J. P. Zehr. 2010. Genome-wide analysis of diel gene expression in the unicellular N2-fixing cyanobacterium Crocosphaera watsonii WH 8501. ISME J. 4:621-632.

Zehr, J. P., S. R. Bench, B. J. Carter, I. Hewson, F. Niazi, T. Shi, , H. J. Tripp, and J. P. Affourtit. 2008. Globally distributed uncultivated oceanic N2-fixing cyanobacteria lack oxygenic photosystem II. Science. 322:1110-1112.

Paerl, R. W., R. A. Foster, B. D. Jenkins, J. P. Montoya, and J. P. Zehr. 2008. Phylogenetic diversity of cyanobacterial narB genes from various marine habitats. Environ. Microbiol. 10(12): 3377-3387.

Goebel, N. L., C. A. Edwards, B. J. Carter, K. M. Achilles, and J. P. Zehr. 2008. Growth and carbon content of three different sized diazotrophic cyanobacteria observed in the subtropical North Pacific. J. Phycol. 44(5):1212-1220.

Zehr, J. P., S. R. Bench, E. A. Mondragon, J. McCarren, and E. F. DeLong. 2007. Low genomic diversity in tropical oceanic N2-fixing cyanobacteria. PNAS 104(45):17807-17812.

Rabouille, S., C. A. Edwards, and J. P. Zehr. 2007. Modelling the vertical distribution of Prochlorococcus and Synechococcus in the North Pacific Subtropical Ocean. Environ. Microbiol. 9(10): 2588-2602.