T. Ryan Gregory

13.7k total citations · 3 hit papers
108 papers, 8.5k citations indexed

About

T. Ryan Gregory is a scholar working on Molecular Biology, Genetics and Plant Science. According to data from OpenAlex, T. Ryan Gregory has authored 108 papers receiving a total of 8.5k indexed citations (citations by other indexed papers that have themselves been cited), including 43 papers in Molecular Biology, 40 papers in Genetics and 38 papers in Plant Science. Recurrent topics in T. Ryan Gregory's work include Chromosomal and Genetic Variations (32 papers), Genomics and Phylogenetic Studies (28 papers) and Genetic diversity and population structure (22 papers). T. Ryan Gregory is often cited by papers focused on Chromosomal and Genetic Variations (32 papers), Genomics and Phylogenetic Studies (28 papers) and Genetic diversity and population structure (22 papers). T. Ryan Gregory collaborates with scholars based in Canada, United States and United Kingdom. T. Ryan Gregory's co-authors include Paul D. N. Hebert, Chris M. Wood, Tyler A. Elliott, Teresa J. Crease, Alexander F. Palazzo, David C. Hardie, J. Spencer Johnston, Michael T. Monaghan, Michael Balke and Alfried P. Vogler and has published in prestigious journals such as Nature, Nucleic Acids Research and SHILAP Revista de lepidopterología.

In The Last Decade

T. Ryan Gregory

104 papers receiving 8.2k 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.

The Promise of DNA Barcoding for Taxonomy

2005 965 citations Paul D. N. Hebert, T. Ryan Gregory profile →
Animal Genome Size Database

2002 543 citations T. Ryan Gregory profile →
Coincidence, coevolution, or causation? DNA content, cell size, and the C-value enigma

2001 529 citations T. Ryan Gregory profile →

Peers

Countries citing papers authored by T. Ryan Gregory

Since Specialization

Citations

This map shows the geographic impact of T. Ryan Gregory'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 T. Ryan Gregory with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T. Ryan Gregory more than expected).

Fields of papers citing papers by T. Ryan Gregory

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by T. Ryan Gregory. 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 T. Ryan Gregory. The network helps show where T. Ryan Gregory may publish in the future.

Co-authorship network of co-authors of T. Ryan Gregory

This figure shows the co-authorship network connecting the top 25 collaborators of T. Ryan Gregory. A scholar is included among the top collaborators of T. Ryan Gregory 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 T. Ryan Gregory. T. Ryan Gregory 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

#	Work	Indexed citations
1	Perceptions Toward an Attentional Bias Modification Mobile Game Among Individuals With Low Socioeconomic Status Who Smoke: Qualitative Study 2025 ·JMIR Serious Games ·(unknown), (unknown), (unknown), T. Ryan Gregory, (unknown), (unknown), (unknown), Sherine El‐Toukhy	2
2	A feature-based qualitative assessment of smoking cessation mobile applications 2024 ·SHILAP Revista de lepidopterología ·(unknown), (unknown), (unknown), (unknown), T. Ryan Gregory, (unknown), (unknown), Sherine El‐Toukhy	4
3	Perceptions of the Use of Mobile Technologies for Smoking Cessation: Focus Group Study With Individuals of Low Socioeconomic Status Who Smoke 2024 ·JMIR Formative Research ·(unknown), (unknown), T. Ryan Gregory, (unknown), (unknown), Sherine El‐Toukhy	6
4	The dynamic evolutionary history of genome size in North American woodland salamanders 2016 ·Genome ·Catherine E. Newman, T. Ryan Gregory, Christopher C. Austin	7
5	Conceptual and Empirical Challenges of Ascribing Functions to Transposable Elements 2014 ·The American Naturalist ·Tyler A. Elliott, Stefan Linquist, T. Ryan Gregory	27
6	The genome and developmental transcriptome of the strongylid nematode Haemonchus contortus 2013 ·Genome biology ·Erich M. Schwarz, Pasi K. Korhonen, Bronwyn E. Campbell, Neil D. Young, Aaron R. Jex, Abdul Jabbar, Ross S. Hall, Alinda Mondal, Adina Howe, Jason Pell, Andreas Hofmann, Peter R. Boag, Xing‐Quan Zhu, T. Ryan Gregory, Alex Loukas, Brian A. Williams, Igor Antoshechkin, C. Titus Brown, Paul W. Sternberg, Robin B. Gasser	188
7	Genome size diversity in the family Drosophilidae 2008 ·Heredity ·T. Ryan Gregory, J. Spencer Johnston	100
8	Genomic Diversity Research and the Role of Biorepositories 2007 ·Robert Hanner, T. Ryan Gregory	15
9	The tardigrade Hypsibius dujardini, a new model for studying the evolution of development 2007 ·Developmental Biology ·Willow N. Gabriel, (unknown), (unknown), T. Ryan Gregory, William R. Jeck, Corbin D. Jones, Bob Goldstein	96
10	Eukaryotic genome size databases 2006 ·Nucleic Acids Research ·T. Ryan Gregory, James Nicol, Hellis Tamm, Bellis Kullman, (unknown), Ilia J. Leitch, B. G. Murray, Donald F. Kapraun, J. Greilhuber, M. D. Bennett	326
11	Macroevolution, hierarchy theory, and the C-value enigma 2004 ·Paleobiology ·T. Ryan Gregory	64
12	C-value estimates for 31 species of ladybird beetles (Coleoptera: Coccinellidae) 2004 ·Hereditas ·T. Ryan Gregory, Oldřich Nedvěd, Sarah J. Adamowicz	25
13	The correlation between rDNA copy number and genome size in eukaryotes 2003 ·Genome ·(unknown), T. Ryan Gregory, Teresa J. Crease	369
14	Insertion–deletion biases and the evolution of genome size 2003 ·Gene ·T. Ryan Gregory	127
15	Genome Sizes of Spiders 2003 ·Journal of Heredity ·T. Ryan Gregory	54
16	A BIRD'S-EYE VIEW OF THE C-VALUE ENIGMA: GENOME SIZE, CELL SIZE, AND METABOLIC RATE IN THE CLASS AVES 2002 ·Evolution ·T. Ryan Gregory	202
17	Temporal control of DNA replication and the adaptive value of chromatin diminution in copepods 2001 ·Journal of Experimental Zoology ·Grace A. Wyngaard, T. Ryan Gregory	25
18	Nucleotypic effects without nuclei: Genome size and erythrocyte size in mammals 2000 ·Genome ·T. Ryan Gregory	90
19	The Modulation of DNA Content: Proximate Causes and Ultimate Consequences 1999 ·Genome Research ·T. Ryan Gregory, Paul D. N. Hebert	183
20	The Effects of Chronic Plasma Cortisol Elevation on the Feeding Behaviour, Growth, Competitive Ability, and Swimming Performance of Juvenile Rainbow Trout 1999 ·Physiological and Biochemical Zoology ·T. Ryan Gregory, Chris M. Wood	219

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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