Steven Hallam

24.3k total citations · 4 hit papers
168 papers, 10.3k citations indexed

About

Steven Hallam is a scholar working on Molecular Biology, Ecology and Environmental Chemistry. According to data from OpenAlex, Steven Hallam has authored 168 papers receiving a total of 10.3k indexed citations (citations by other indexed papers that have themselves been cited), including 106 papers in Molecular Biology, 86 papers in Ecology and 30 papers in Environmental Chemistry. Recurrent topics in Steven Hallam's work include Microbial Community Ecology and Physiology (77 papers), Genomics and Phylogenetic Studies (44 papers) and Methane Hydrates and Related Phenomena (27 papers). Steven Hallam is often cited by papers focused on Microbial Community Ecology and Physiology (77 papers), Genomics and Phylogenetic Studies (44 papers) and Methane Hydrates and Related Phenomena (27 papers). Steven Hallam collaborates with scholars based in Canada, United States and Germany. Steven Hallam's co-authors include Edward F. DeLong, Christina M. Preston, Matthew B. Sullivan, Kishori M. Konwar, Paul M. Richardson, Jody J. Wright, Tanja Woyke, William W. Mohn, Tracy J. Mincer and Simon Roux and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Steven Hallam

164 papers receiving 10.1k citations

Hit 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.

Community Genomics Among Stratified Microbial Assemblages in the Ocean's Interior

2006 1.0k citations Edward F. DeLong, Christina M. Preston et al. Science profile →
Reverse Methanogenesis: Testing the Hypothesis with Environmental Genomics

2004 501 citations Steven Hallam, Nicholas H. Putnam et al. Science profile →
Microbial ecology of expanding oxygen minimum zones

2012 416 citations Steven Hallam et al. profile →
Viral dark matter and virus–host interactions resolved from publicly available microbial genomes

2015 340 citations Simon Roux, Steven Hallam et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Steven Hallam Canada	52	6.4k	4.7k	2.2k	1.6k	1.2k	168	10.3k
Lise Øvreås Norway	39	6.6k 1.0×	4.6k 1.0×	1.7k 0.8×	1.3k 0.8×	1.3k 1.1×	78	11.1k
Emilio O. Casamayor Spain	56	8.3k 1.3×	4.6k 1.0×	2.6k 1.2×	2.4k 1.5×	1.6k 1.4×	157	11.9k
Jörg Overmann Germany	59	6.0k 0.9×	6.0k 1.3×	1.7k 0.8×	1.1k 0.7×	1.3k 1.1×	297	12.3k
Julie A. Huber United States	33	6.0k 0.9×	4.6k 1.0×	2.1k 1.0×	1.3k 0.8×	696 0.6×	86	9.5k
Ramūnas Stepanauskas United States	58	7.3k 1.1×	5.8k 1.2×	2.1k 1.0×	1.8k 1.1×	2.3k 1.9×	128	12.1k
Michael S. Rappé United States	38	7.1k 1.1×	5.5k 1.2×	1.8k 0.8×	2.3k 1.4×	776 0.6×	75	9.8k
Adam C. Martiny United States	54	7.4k 1.2×	4.5k 0.9×	1.3k 0.6×	4.0k 2.4×	1.0k 0.8×	129	11.9k
Bernhard M. Fuchs Germany	54	10.1k 1.6×	7.1k 1.5×	2.6k 1.2×	4.0k 2.5×	2.4k 2.0×	129	15.5k
J. Colin Murrell United Kingdom	55	4.0k 0.6×	5.8k 1.2×	2.7k 1.2×	895 0.6×	2.9k 2.5×	198	11.2k
Tim Urich Germany	49	5.4k 0.8×	3.6k 0.8×	2.0k 0.9×	510 0.3×	2.2k 1.9×	126	10.3k

Countries citing papers authored by Steven Hallam

Since Specialization

Citations

This map shows the geographic impact of Steven Hallam'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 Steven Hallam with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Steven Hallam more than expected).

Fields of papers citing papers by Steven Hallam

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Steven Hallam. 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 Steven Hallam. The network helps show where Steven Hallam may publish in the future.

Co-authorship network of co-authors of Steven Hallam

This figure shows the co-authorship network connecting the top 25 collaborators of Steven Hallam. A scholar is included among the top collaborators of Steven Hallam 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 Steven Hallam. Steven Hallam 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

Noonan, Avery J. C., et al.. (2025). An automated high-throughput lighting system for screening photosynthetic microorganisms in plate-based formats. Communications Biology. 8(1). 438–438.

Mills, Daniel B., Rachel L. Simister, Taylor R. Sehein, et al.. (2024). Constraining the oxygen requirements for modern microbial eukaryote diversity. Proceedings of the National Academy of Sciences. 121(2). e2303754120–e2303754120. 8 indexed citations

Noonan, Avery J. C., et al.. (2024). Correlation Mapping of the Human Respiratory Tract Microbiome Reveals Lung-Specific Indicators and Subnetworks. A6840–A6840.

Marshall, Erin A., Avery J. C. Noonan, Fernando Sergio Leitão Filho, et al.. (2023). Methionine-producing tumor micro(be) environment fuels growth of solid tumors. Cellular Oncology. 46(6). 1659–1673. 10 indexed citations

Dong, Hongpo, Simon Jon McIlroy, Sean A. Crowe, et al.. (2022). Expanding the phylogenetic distribution of cytochrome b-containing methanogenic archaea sheds light on the evolution of methanogenesis. The ISME Journal. 16(10). 2373–2387. 29 indexed citations

Chadwick, Grayson L., Connor T. Skennerton, Rafael Laso-Pérez, et al.. (2022). Comparative genomics reveals electron transfer and syntrophic mechanisms differentiating methanotrophic and methanogenic archaea. PLoS Biology. 20(1). e3001508–e3001508. 87 indexed citations

Lin, Heyu, David B. Ascher, Yoochan Myung, et al.. (2021). Mercury methylation by metabolically versatile and cosmopolitan marine bacteria. The ISME Journal. 15(6). 1810–1825. 102 indexed citations

Hallam, Steven, et al.. (2021). Biochar amendment rapidly shifts microbial community structure with enhanced thermophilic digestion activity. Bioresource Technology. 341. 125864–125864. 22 indexed citations

Roux, Simon, Blair G. Paul, Sarah C. Bagby, et al.. (2021). Ecology and molecular targets of hypermutation in the global microbiome. Nature Communications. 12(1). 3076–3076. 43 indexed citations

10.

Hallam, Steven, et al.. (2020). Leveraging heterogeneous network embedding for metabolic pathway prediction. Bioinformatics. 37(6). 822–829. 6 indexed citations

11.

Borrel, Guillaume, Panagiotis S. Adam, Luke J. McKay, et al.. (2019). Wide diversity of methane and short-chain alkane metabolisms in uncultured archaea. Nature Microbiology. 4(4). 603–613. 156 indexed citations

12.

Pachiadaki, Maria, Eva Sintes, Kristin Bergauer, et al.. (2017). Major role of nitrite-oxidizing bacteria in dark ocean carbon fixation. Science. 358(6366). 1046–1051. 209 indexed citations

13.

Collingro, Astrid, Stephan Köstlbacher, Marc Mußmann, et al.. (2017). Unexpected genomic features in widespread intracellular bacteria: evidence for motility of marine chlamydiae. The ISME Journal. 11(10). 2334–2344. 24 indexed citations

14.

Strassert, Jürgen F. H., Anna Karnkowska, Elisabeth Hehenberger, et al.. (2017). Single cell genomics of uncultured marine alveolates shows paraphyly of basal dinoflagellates. The ISME Journal. 12(1). 304–308. 28 indexed citations

15.

Solonenko, Sergei A., J. Cesar Ignacio‐Espinoza, Adriana Alberti, et al.. (2013). Sequencing platform and library preparation choices impact viral metagenomes. BMC Genomics. 14(1). 320–320. 71 indexed citations

16.

Bourbonnais, Annie, S. Kim Juniper, D. A. Butterfield, et al.. (2012). Activity and abundance of denitrifying bacteria in the subsurface biosphere of diffuse hydrothermal vents of the Juan de Fuca Ridge. Biogeosciences. 9(11). 4661–4678. 34 indexed citations

17.

Hallam, Steven, Konstantinos Konstantinidis, Nicholas H. Putnam, et al.. (2006). Genomic analysis of the uncultivated marine crenarchaeote Cenarchaeum symbiosum. Proceedings of the National Academy of Sciences. 103(48). 18296–18301. 348 indexed citations

18.

Čuboňová, L’ubomı́ra, Kathleen Sandman, Steven Hallam, Edward F. DeLong, & John N. Reeve. (2005). Histones in Crenarchaea. Journal of Bacteriology. 187(15). 5482–5485. 51 indexed citations

19.

Hallam, Steven, Nicholas H. Putnam, Christina M. Preston, et al.. (2004). Reverse Methanogenesis: Testing the Hypothesis with Environmental Genomics. Science. 305(5689). 1457–1462. 501 indexed citations breakdown →

20.

Wiernik, Peter H., Nancy Sun, Deborah Thompson, et al.. (1994). Effect of retinoic acid and interferon alpha on granulocyte-macrophage colony forming cells in chronic myeloid leukemia: Increased inhibition by all-trans- and 13-cis-retinoic acids in advanced stage disease. Leukemia Research. 18(10). 741–748. 12 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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