Tobin J. Hammer

2.6k total citations · 2 hit papers
29 papers, 1.7k citations indexed

About

Tobin J. Hammer is a scholar working on Insect Science, Ecology, Evolution, Behavior and Systematics and Genetics. According to data from OpenAlex, Tobin J. Hammer has authored 29 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Insect Science, 15 papers in Ecology, Evolution, Behavior and Systematics and 8 papers in Genetics. Recurrent topics in Tobin J. Hammer's work include Insect symbiosis and bacterial influences (17 papers), Plant and animal studies (13 papers) and Insect and Pesticide Research (9 papers). Tobin J. Hammer is often cited by papers focused on Insect symbiosis and bacterial influences (17 papers), Plant and animal studies (13 papers) and Insect and Pesticide Research (9 papers). Tobin J. Hammer collaborates with scholars based in United States, Panama and Finland. Tobin J. Hammer's co-authors include Noah Fierer, Nancy A. Moran, M. Deane Bowers, Daniel H. Janzen, Winnie Hallwachs, Samuel Jaffe, Jon G. Sanders, Howard Ochman, W. Owen McMillan and Michelle Berry and has published in prestigious journals such as Proceedings of the National Academy of Sciences, PLoS ONE and Applied and Environmental Microbiology.

In The Last Decade

Tobin J. Hammer

29 papers receiving 1.7k citations

Hit Papers

Caterpillars lack a resident gut microbiome 2017 2026 2020 2023 2017 2019 100 200 300
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.

  1. Caterpillars lack a resident gut microbiome
    2017 339 citations Tobin J. Hammer, Daniel H. Janzen et al. Proceedings of the National Academy of Sciences profile →
  2. Not all animals need a microbiome
    2019 201 citations Tobin J. Hammer, Noah Fierer et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Tobin J. Hammer United States 17 1.2k 488 362 359 254 29 1.7k
Irene L. G. Newton United States 29 1.7k 1.4× 674 1.4× 658 1.8× 418 1.2× 476 1.9× 67 2.5k
Simon L. Elliot Brazil 24 995 0.8× 381 0.8× 464 1.3× 242 0.7× 350 1.4× 67 1.6k
Rosanna Giordano United States 18 1.7k 1.4× 360 0.7× 298 0.8× 316 0.9× 197 0.8× 40 2.1k
Steve J. Perlman Canada 29 2.4k 2.0× 652 1.3× 646 1.8× 244 0.7× 254 1.0× 62 3.0k
Václav Hypša Czechia 31 1.1k 0.9× 351 0.7× 361 1.0× 237 0.7× 583 2.3× 65 2.2k
Filip Husník Canada 22 849 0.7× 224 0.5× 264 0.7× 760 2.1× 499 2.0× 39 1.8k
Marta Wolff Colombia 20 1.1k 0.9× 422 0.9× 255 0.7× 92 0.3× 192 0.8× 108 1.4k
Pedro F. Vale United Kingdom 22 539 0.5× 168 0.3× 599 1.7× 262 0.7× 370 1.5× 52 1.4k
Yu Matsuura Japan 23 820 0.7× 279 0.6× 236 0.7× 224 0.6× 83 0.3× 41 1.5k
Alan Gunn United Kingdom 19 968 0.8× 659 1.4× 642 1.8× 156 0.4× 123 0.5× 34 1.5k

Countries citing papers authored by Tobin J. Hammer

Since Specialization
Citations

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

Fields of papers citing papers by Tobin J. Hammer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Tobin J. Hammer. 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 Tobin J. Hammer. The network helps show where Tobin J. Hammer may publish in the future.

Co-authorship network of co-authors of Tobin J. Hammer

This figure shows the co-authorship network connecting the top 25 collaborators of Tobin J. Hammer. A scholar is included among the top collaborators of Tobin J. Hammer 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 Tobin J. Hammer. Tobin J. Hammer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Hammer, Tobin J., et al.. (2025). Blanking on blanks: few insect microbiota studies control for contaminants. mBio. 16(4). e0265824–e0265824. 2 indexed citations
2.
Hammer, Tobin J., et al.. (2025). Core symbionts, age at inoculation and diet affect colonization of the bumblebee gut by a common bacterial pathogen. Journal of Animal Ecology. 94(5). 985–998. 1 indexed citations
3.
Hammer, Tobin J., et al.. (2024). Diversity alone does not reliably indicate the healthiness of an animal microbiome. The ISME Journal. 18(1). 14 indexed citations
4.
Hammer, Tobin J., Jordan G. Kueneman, Quinn S. McFrederick, et al.. (2023). Bee breweries: The unusually fermentative, lactobacilli-dominated brood cell microbiomes of cellophane bees. Frontiers in Microbiology. 14. 1114849–1114849. 7 indexed citations
5.
Hammer, Tobin J.. (2023). Why do hosts malfunction without microbes? Missing benefits versus evolutionary addiction. Trends in Microbiology. 32(2). 132–141. 14 indexed citations
6.
Hammer, Tobin J., et al.. (2022). Microbiome assembly and maintenance across the lifespan of bumble bee workers. Molecular Ecology. 32(3). 724–740. 28 indexed citations
7.
Hammer, Tobin J., et al.. (2021). Thermal niches of specialized gut symbionts: the case of social bees. Proceedings of the Royal Society B Biological Sciences. 288(1944). 20201480–20201480. 32 indexed citations
8.
Hammer, Tobin J., et al.. (2021). The gut microbiota of bumblebees. Insectes Sociaux. 68(4). 287–301. 56 indexed citations
9.
Hammer, Tobin J., et al.. (2021). Extinction of anciently associated gut bacterial symbionts in a clade of stingless bees. The ISME Journal. 15(9). 2813–2816. 38 indexed citations
10.
Hammer, Tobin J., et al.. (2020). Heliconius Butterflies Host Characteristic and Phylogenetically Structured Adult-Stage Microbiomes. Applied and Environmental Microbiology. 86(24). 24 indexed citations
11.
Danielsson, Rebecca, Jane M. Lucas, Mohammad Ramin, et al.. (2019). Compound- and context-dependent effects of antibiotics on greenhouse gas emissions from livestock. Royal Society Open Science. 6(10). 182049–182049. 7 indexed citations
12.
Moran, Nancy A., Howard Ochman, & Tobin J. Hammer. (2019). Evolutionary and Ecological Consequences of Gut Microbial Communities. Annual Review of Ecology Evolution and Systematics. 50(1). 451–475. 176 indexed citations
13.
Hammer, Tobin J. & Nancy A. Moran. (2019). Links between metamorphosis and symbiosis in holometabolous insects. Philosophical Transactions of the Royal Society B Biological Sciences. 374(1783). 20190068–20190068. 106 indexed citations
14.
Keiser, Carl N., Tobin J. Hammer, & Jonathan N. Pruitt. (2019). Supplementary material from "Social spider webs harbour largely consistent bacterial communities across broad spatial scales". Figshare. 1 indexed citations
15.
Berry, Michelle, et al.. (2018). Structure and function of the bacterial and fungal gut microbiota of Neotropical butterflies. Ecological Monographs. 89(2). 57 indexed citations
16.
Hammer, Tobin J., Daniel H. Janzen, Winnie Hallwachs, Samuel Jaffe, & Noah Fierer. (2017). Caterpillars lack a resident gut microbiome. Proceedings of the National Academy of Sciences. 114(36). 9641–9646. 339 indexed citations breakdown →
17.
18.
Hammer, Tobin J. & M. Deane Bowers. (2015). Gut microbes may facilitate insect herbivory of chemically defended plants. Oecologia. 179(1). 1–14. 200 indexed citations
19.
Hammer, Tobin J. & Sunshine A. Van Bael. (2015). An endophyte‐rich diet increases ant predation on a specialist herbivorous insect. Ecological Entomology. 40(3). 316–321. 7 indexed citations
20.
Hammer, Tobin J., W. Owen McMillan, & Noah Fierer. (2014). Metamorphosis of a Butterfly-Associated Bacterial Community. PLoS ONE. 9(1). e86995–e86995. 127 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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