Jonathan P. Zehr

25.3k total citations · 5 hit papers
242 papers, 17.6k citations indexed

About

Jonathan P. Zehr is a scholar working on Ecology, Oceanography and Molecular Biology. According to data from OpenAlex, Jonathan P. Zehr has authored 242 papers receiving a total of 17.6k indexed citations (citations by other indexed papers that have themselves been cited), including 195 papers in Ecology, 161 papers in Oceanography and 99 papers in Molecular Biology. Recurrent topics in Jonathan P. Zehr's work include Microbial Community Ecology and Physiology (188 papers), Marine and coastal ecosystems (158 papers) and Protist diversity and phylogeny (77 papers). Jonathan P. Zehr is often cited by papers focused on Microbial Community Ecology and Physiology (188 papers), Marine and coastal ecosystems (158 papers) and Protist diversity and phylogeny (77 papers). Jonathan P. Zehr collaborates with scholars based in United States, United Kingdom and Spain. Jonathan P. Zehr's co-authors include Douglas G. Capone, Mark T. Mellon, Rachel A. Foster, Bethany D. Jenkins, David M. Karl, Grieg F. Steward, Edward J. Carpenter, Sabino Zani, Joseph P. Montoya and Steven M. Short and has published in prestigious journals such as Nature, Science and Cell.

In The Last Decade

Jonathan P. Zehr

240 papers receiving 17.1k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Trichodesmium , a Globally Significant Marine Cyanobacterium

1997 1.0k citations Douglas G. Capone, Jonathan P. Zehr et al. Science profile →
Nitrogenase gene diversity and microbial community structure: a cross‐system comparison

2003 754 citations Jonathan P. Zehr et al. Environmental Microbiology profile →
Unicellular cyanobacteria fix N2 in the subtropical North Pacific Ocean

2001 558 citations Jonathan P. Zehr, Joseph P. Montoya et al. profile →
Changing perspectives in marine nitrogen fixation

2020 291 citations Jonathan P. Zehr, Douglas G. Capone Science profile →
Nitrogen-fixing organelle in a marine alga

2024 88 citations Tyler H. Coale, Valentina Loconte et al. Science profile →

Peers

Jonathan P. Zehr

ECOLO

OCEAN

POLLU

Mary Ann Moran United States

Daniel Vaulot France

Meinhard Simon Germany

Douglas G. Capone United States

David L. Kirchman United States

Carlos Pedrós‐Alió Spain

David A. Hutchins United States

Josep M. Gasol Spain

Ramón Massana Spain

Lucas J. Stal Netherlands

Mary Ann Moran United States

Jonathan P. Zehr

11.1k ×0.9

ECOLO

7.5k ×0.7

OCEAN

5.8k ×1.2

2.6k ×1.0

1.9k ×0.8

POLLU

Citations per year, relative to Jonathan P. Zehr Jonathan P. Zehr (= 1×) peers Mary Ann Moran

Countries citing papers authored by Jonathan P. Zehr

Since Specialization

Citations

This map shows the geographic impact of Jonathan P. Zehr's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Jonathan P. Zehr with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Jonathan P. Zehr more than expected).

Fields of papers citing papers by Jonathan P. Zehr

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jonathan P. Zehr. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Jonathan P. Zehr. The network helps show where Jonathan P. Zehr may publish in the future.

Co-authorship network of co-authors of Jonathan P. Zehr

This figure shows the co-authorship network connecting the top 25 collaborators of Jonathan P. Zehr. A scholar is included among the top collaborators of Jonathan P. Zehr based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Jonathan P. Zehr. Jonathan P. Zehr is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Cheung, Shunyan, et al.. (2025). Global biogeography of N ₂ -fixing microbes: nifH amplicon database and analytics workflow. Earth system science data. 17(2). 393–422. 1 indexed citations

Dutkiewicz, Stephanie, Christopher L. Follett, Michael J. Follows, et al.. (2024). Multiple biotic interactions establish phytoplankton community structure across environmental gradients. Limnology and Oceanography. 69(5). 1086–1100. 5 indexed citations

Coale, Tyler H., Valentina Loconte, Kendra A. Turk‐Kubo, et al.. (2024). Nitrogen-fixing organelle in a marine alga. Science. 384(6692). 217–222. 88 indexed citations breakdown →

Gradoville, Mary R., Mathilde Dugenne, Annette Hynes, Jonathan P. Zehr, & Angelicque White. (2022). Empirical relationship between nifH gene abundance and diazotroph cell concentration in the North Pacific Subtropical Gyre. Journal of Phycology. 58(6). 829–833. 4 indexed citations

Turk‐Kubo, Kendra A., Matthew M. Mills, Kevin R. Arrigo, et al.. (2021). UCYN-A/haptophyte symbioses dominate N2 fixation in the Southern California Current System. ISME Communications. 1(1). 42–42. 24 indexed citations

Gradoville, Mary R., Ana María Cabello, Samuel T. Wilson, et al.. (2021). Light and depth dependency of nitrogen fixation by the non‐photosynthetic, symbiotic cyanobacterium UCYN‐A. Environmental Microbiology. 23(8). 4518–4531. 19 indexed citations

Landa, Marine, et al.. (2021). Elucidation of trophic interactions in an unusual single-cell nitrogen-fixing symbiosis using metabolic modeling. PLoS Computational Biology. 17(5). e1008983–e1008983. 12 indexed citations

Zehr, Jonathan P. & Douglas G. Capone. (2020). Changing perspectives in marine nitrogen fixation. Science. 368(6492). 291 indexed citations breakdown →

Gradoville, Mary R., Hanna Farnelid, Angelicque White, et al.. (2020). Latitudinal constraints on the abundance and activity of the cyanobacterium UCYN‐A and other marine diazotrophs in the North Pacific. Limnology and Oceanography. 65(8). 1858–1875. 46 indexed citations

10.

Muñoz‐Marín, Maria del Carmen, Irina N. Shilova, Tuo Shi, et al.. (2019). The Transcriptional Cycle Is Suited to Daytime N ₂ Fixation in the Unicellular Cyanobacterium “ Candidatus Atelocyanobacterium thalassa” (UCYN-A). mBio. 10(1). 35 indexed citations

11.

Robidart, Julie, Irina N. Shilova, Kendra A. Turk‐Kubo, et al.. (2018). Effects of nutrient enrichment on surface microbial community gene expression in the oligotrophic North Pacific Subtropical Gyre. The ISME Journal. 13(2). 374–387. 17 indexed citations

12.

Gradoville, Mary R., Deniz Bombar, Byron C. Crump, et al.. (2017). Diversity and activity of nitrogen‐fixing communities across ocean basins. Limnology and Oceanography. 62(5). 1895–1909. 92 indexed citations

13.

Varaljay, Vanessa A., Julie Robidart, Christina M. Preston, et al.. (2015). Single-taxon field measurements of bacterial gene regulation controlling DMSP fate. The ISME Journal. 9(7). 1677–1686. 44 indexed citations

14.

Thompson, Anne, Rachel A. Foster, Andreas Krupke, et al.. (2012). Unicellular Cyanobacterium Symbiotic with a Single-Celled Eukaryotic Alga. Science. 337(6101). 1546–1550. 370 indexed citations

15.

Zehr, Jonathan P., H. James Tripp, Jason A. Hilton, Pia H. Moisander, & Rachel A. Foster. (2011). Ecological Aspects of Nitrogen-Fixing Cyanobacteria Illuminated by Genomics and Metagenomics. Journal of Phycology. 47. 1 indexed citations

16.

Shi, Tuo, et al.. (2010). Genome-wide analysis of diel gene expression in the unicellular N2-fixing cyanobacterium Crocosphaera watsonii WH 8501. The ISME Journal. 4(5). 621–632. 86 indexed citations

17.

Hewson, Ian, Rachel Poretsky, Roxanne A. Beinart, et al.. (2009). In situ transcriptomic analysis of the globally important keystone N2-fixing taxon Crocosphaera watsonii. The ISME Journal. 3(5). 618–631. 54 indexed citations

18.

Zehr, Jonathan P., Shellie R. Bench, Brandon J. Carter, et al.. (2008). Globally Distributed Uncultivated Oceanic N ₂ -Fixing Cyanobacteria Lack Oxygenic Photosystem II. Science. 322(5904). 1110–1112. 250 indexed citations

19.

Zehr, Jonathan P., et al.. (2007). Low genomic diversity in tropical oceanic N ₂ -fixing cyanobacteria. Proceedings of the National Academy of Sciences. 104(45). 17807–17812. 62 indexed citations

20.

Manson, J. Russell, Thomas D. DiStefano, & Jonathan P. Zehr. (1999). Environmental Engineers and Environmental Science: Comparative Approaches in Practice, Research, and Education. Journal of Environmental Engineering. 125(1). 5–6. 2 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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