Todd J. Widhelm

2.1k total citations · 1 hit paper
24 papers, 1.3k citations indexed

About

Todd J. Widhelm is a scholar working on Plant Science, Ecology, Evolution, Behavior and Systematics and Molecular Biology. According to data from OpenAlex, Todd J. Widhelm has authored 24 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Plant Science, 16 papers in Ecology, Evolution, Behavior and Systematics and 10 papers in Molecular Biology. Recurrent topics in Todd J. Widhelm's work include Mycorrhizal Fungi and Plant Interactions (17 papers), Lichen and fungal ecology (15 papers) and Plant Pathogens and Fungal Diseases (9 papers). Todd J. Widhelm is often cited by papers focused on Mycorrhizal Fungi and Plant Interactions (17 papers), Lichen and fungal ecology (15 papers) and Plant Pathogens and Fungal Diseases (9 papers). Todd J. Widhelm collaborates with scholars based in United States, Colombia and Germany. Todd J. Widhelm's co-authors include Kenneth W. Bayles, Jennifer L. Endres, Vijaya Kumar Yajjala, Paul D. Fey, Jeffrey L. Bose, Robert Boissy, H. Thorsten Lumbsch, Matthew P. Nelsen, Marat R. Sadykov and Ana Crespo and has published in prestigious journals such as Scientific Reports, Journal of Bacteriology and Molecular Microbiology.

In The Last Decade

Todd J. Widhelm

23 papers receiving 1.3k 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.

A Genetic Resource for Rapid and Comprehensive Phenotype Screening of Nonessential Staphylococcus aureus Genes

2013 685 citations Paul D. Fey, Jennifer L. Endres et al. mBio profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Todd J. Widhelm United States	12	677	493	365	269	253	24	1.3k
Gleb Pishchany United States	16	646 1.0×	500 1.0×	82 0.2×	121 0.4×	154 0.6×	23	1.3k
Patricia Ayoubi United States	21	459 0.7×	192 0.4×	704 1.9×	107 0.4×	103 0.4×	24	1.4k
Steven T. Pullan United Kingdom	21	658 1.0×	349 0.7×	210 0.6×	51 0.2×	92 0.4×	32	1.3k
Helen Crooke United Kingdom	22	581 0.9×	262 0.5×	56 0.2×	379 1.4×	167 0.7×	51	1.6k
Emily J. Stevens United Kingdom	10	1000 1.5×	198 0.4×	240 0.7×	46 0.2×	53 0.2×	17	1.7k
Michael P. Schmitt United States	23	710 1.0×	514 1.0×	82 0.2×	35 0.1×	257 1.0×	40	1.6k
Joanna Jeleńska United States	18	784 1.2×	251 0.5×	1.3k 3.5×	49 0.2×	186 0.7×	30	2.0k
Tina Schäfer Germany	15	675 1.0×	511 1.0×	193 0.5×	34 0.1×	32 0.1×	24	1.3k
Joseba Bikandi Spain	15	419 0.6×	517 1.0×	224 0.6×	33 0.1×	101 0.4×	36	1.2k
Matthew S. Francis Sweden	27	793 1.2×	204 0.4×	158 0.4×	69 0.3×	29 0.1×	62	1.9k

Countries citing papers authored by Todd J. Widhelm

Since Specialization

Citations

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

Fields of papers citing papers by Todd J. Widhelm

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Todd J. Widhelm

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

All Works

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20 of 20 papers shown

Widhelm, Todd J., et al.. (2024). Bryoclavula dryalisepiplutea sp. nov. (Hydnaceae: Cantharellales), a new lichenized basidiomycete from East Texas. The Bryologist. 127(4).

Mercado‐Díaz, Joel A., et al.. (2023). Species assemblages of insular Caribbean Sticta (lichenized Ascomycota: Peltigerales) over ecological and evolutionary time scales. Molecular Phylogenetics and Evolution. 186. 107830–107830. 2 indexed citations

Widhelm, Todd J., et al.. (2023). High-throughput sequencing confirms the boundary between traditionally considered species pairs in a group of lichenized fungi (Peltigeraceae, Pseudocyphellaria). Botanical Journal of the Linnean Society. 201(4). 471–482. 2 indexed citations

Widhelm, Todd J., Felix Grewe, Bernard Goffinet, et al.. (2021). Phylogenomic reconstruction addressing the Peltigeralean backbone (Lecanoromycetes, Ascomycota). Fungal Diversity. 110(1). 59–73. 4 indexed citations

Lücking, Robert, Bibiana Moncada, Todd J. Widhelm, et al.. (2021). TheSticta filix - Sticta laceraconundrum (lichenized Ascomycota: Peltigeraceae subfamily Lobarioideae): unresolved lineage sorting or developmental switch?. Botanical Journal of the Linnean Society. 199(3). 706–727. 3 indexed citations

Mercado‐Díaz, Joel A., Robert Lücking, Bibiana Moncada, Todd J. Widhelm, & H. Thorsten Lumbsch. (2020). Elucidating species richness in lichen fungi: The genusSticta(Ascomycota: Peltigeraceae) in Puerto Rico. Taxon. 69(5). 851–891. 17 indexed citations

Moncada, Bibiana, Robert Lücking, Nicolas Magain, et al.. (2020). Cophylogenetic patterns in algal symbionts correlate with repeated symbiont switches during diversification and geographic expansion of lichen-forming fungi in the genus Sticta (Ascomycota, Peltigeraceae). Molecular Phylogenetics and Evolution. 150. 106860–106860. 19 indexed citations

Grewe, Felix, Claudio Gennaro Ametrano, Todd J. Widhelm, et al.. (2020). Using target enrichment sequencing to study the higher-level phylogeny of the largest lichen-forming fungi family: Parmeliaceae (Ascomycota). IMA Fungus. 11(1). 27–27. 9 indexed citations

Widhelm, Todd J., Felix Grewe, Jen‐Pan Huang, et al.. (2019). Multiple historical processes obscure phylogenetic relationships in a taxonomically difficult group (Lobariaceae, Ascomycota). Scientific Reports. 9(1). 8968–8968. 32 indexed citations

10.

Sadykov, Marat R., Ian H. Windham, Todd J. Widhelm, et al.. (2019). CidR and CcpA Synergistically Regulate Staphylococcus aureus cidABC Expression. Journal of Bacteriology. 201(23). 16 indexed citations

11.

Widhelm, Todd J., Joel A. Mercado‐Díaz, Jen‐Pan Huang, et al.. (2018). Oligocene origin and drivers of diversification in the genus Sticta (Lobariaceae, Ascomycota). Molecular Phylogenetics and Evolution. 126. 58–73. 19 indexed citations

12.

Sadykov, Marat R., Jongsam Ahn, Todd J. Widhelm, et al.. (2017). Poly(3‐hydroxybutyrate) fuels the tricarboxylic acid cycle and de novo lipid biosynthesis during Bacillus anthracis sporulation. Molecular Microbiology. 104(5). 793–803. 11 indexed citations

13.

Leavitt, Steven D., Felix Grewe, Todd J. Widhelm, et al.. (2016). Resolving evolutionary relationships in lichen-forming fungi using diverse phylogenomic datasets and analytical approaches. Scientific Reports. 6(1). 22262–22262. 42 indexed citations

14.

Thomas, Vinai C., Marat R. Sadykov, Sujata S. Chaudhari, et al.. (2014). A Central Role for Carbon-Overflow Pathways in the Modulation of Bacterial Cell Death. PLoS Pathogens. 10(6). e1004205–e1004205. 89 indexed citations

15.

Yajjala, Vijaya Kumar, Todd J. Widhelm, Jennifer L. Endres, Paul D. Fey, & Kenneth W. Bayles. (2014). Generation of a Transposon Mutant Library in Staphylococcus aureus and Staphylococcus epidermidis Using bursa aurealis. Methods in molecular biology. 1373. 103–110. 7 indexed citations

16.

Widhelm, Todd J., et al.. (2013). Methods to Generate a Sequence-Defined Transposon Mutant Library in Staphylococcus epidermidis Strain 1457. Methods in molecular biology. 1106. 135–142. 6 indexed citations

17.

Fey, Paul D., Jennifer L. Endres, Vijaya Kumar Yajjala, et al.. (2013). A Genetic Resource for Rapid and Comprehensive Phenotype Screening of Nonessential Staphylococcus aureus Genes. mBio. 4(1). e00537–12. 685 indexed citations breakdown →

18.

Sadykov, Marat R., Vinai C. Thomas, Darrell D. Marshall, et al.. (2013). Inactivation of the Pta-AckA Pathway Causes Cell Death in Staphylococcus aureus. Journal of Bacteriology. 195(13). 3035–3044. 66 indexed citations

19.

Widhelm, Todd J. & H. Thorsten Lumbsch. (2011). The phylogenetic placement of Miltideaceae inferred from ribosomal DNA sequence data.. 106. 365–373. 5 indexed citations

20.

Schmitt, Imke, Ana Crespo, Pradeep K. Divakar, et al.. (2009). New primers for promising single-copy genes in fungal phylogenetics and systematics. Persoonia - Molecular Phylogeny and Evolution of Fungi. 23(1). 35–40. 208 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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