John Ryals

27.4k citations

109 papers · 21.2k indexed · 14 hit papers · h-index 65

Plant Science top 0.01%
- Plant-Microbe Interactions and Immunity 46
- Plant pathogens and resistance mechanisms 18
- Plant Virus Research Studies 14
- Plant Pathogenic Bacteria Studies 11
Horticulture top 0.5%
Biotechnology top 0.2%
- Transgenic Plants and Applications 10
Cell Biology top 0.5%
Molecular Biology top 0.5%
- Plant tissue culture and regeneration 16
- Metabolomics and Mass Spectrometry Studies 9
- RNA and protein synthesis mechanisms 9

Co-authors: Scott Uknes E. R. Ward Leslie Friedrich Helmut Keßmann Urs Neuenschwander Henry‐York Steiner Terrence P. Delaney Antonio Molina
Cited by: Plant Science Horticulture Biotechnology
Journals: The Plant Cell (21 papers)Plant Molecular Biology (9 papers)Proceedings of the National Academy of Sciences (7 papers)
Partner nations: United States Switzerland Japan

In The Last Decade

John Ryals

108 papers receiving 20.0k citations

Hit Papers

14 papers align trajectories log scale

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.

2010 PLoS ONE
1996 The Plant Journal
1996 The Plant Journal
1996 The Plant Cell
1996 The Plant Cell
1996 The Plant Cell
1995 Proceedings of the National Academy of Sciences
1994 Cell
1994 Annual Review of Phytopathology
1994 Science
1993 Science
1992 The Plant Cell
1991 The Plant Cell
1990 Science

Peers

Countries citing papers authored by John Ryals

Since Specialization

Citations

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

Fields of papers citing papers by John Ryals

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network

The 25 scholars most cited alongside John Ryals, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with John Ryals Line = papers co-authored together John Ryals links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Plasma metabolomic biomarker panel to distinguish patients with amyotrophic lateral sclerosis from disease mimics Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration ·Kay A. Lawton,Meredith V. Brown,Danny Alexander,Zhen Li,Jacob Wulff,Robert Lawson,В.А. Леванисов,Mike Milburn,John Ryals,Robert Bowser,Merit Cudkowicz,James D. Berry,(unknown)	2014	71
2	Assessment of Genetically Modified Soybean in Relation to Natural Variation in the Soybean Seed Metabolome Scientific Reports ·Joseph D. Clarke,Danny C. Alexander,Chester Peyronnin,John Ryals,Matthew Mitchell,Jacob Wulff,Lining Guo	2013	52
3	Metabolomic Profiling in Selaginella lepidophylla at Various Hydration States Provides New Insights into the Mechanistic Basis of Desiccation Tolerance Molecular Plant ·Abou Yobi,Bernard Wone,Wenxin Xu,Danny C. Alexander,Lining Guo,John Ryals,Melvin J. Oliver,John C. Cushman	2012	116
4	Biochemical alterations associated with ALS Amyotrophic Lateral Sclerosis ·Kay A. Lawton,Merit Cudkowicz,Meredith V. Brown,Danny Alexander,Rebecca Caffrey,Jacob Wulff,Robert Bowser,Robert Lawson,В.А. Леванисов,Michael V. Milburn,John Ryals,James D. Berry	2011	76
5	Metabolomic Profiling Reveals Biochemical Pathways and Biomarkers Associated with Pathogenesis in Cystic Fibrosis Cells Journal of Biological Chemistry ·Diana Wetmore,Elizabeth Joseloff,Joseph M. Pilewski,Maya Kundu,Kay A. Lawton,Matthew Mitchell,Michael V. Milburn,John Ryals,Lining Guo	2010	64
6	Metabolomics in premature labor: a novel approach to identify patients at risk for preterm delivery The Journal of Maternal-Fetal & Neonatal Medicine ·Roberto Romero,Shali Mazaki‐Tovi,Edi Vaisbuch,Juan Pedro Kusanovic,Tinnakorn Chaiworapongsa,Ricardo Gómez,Jyh Kae Nien,Bo Hyun Yoon,Moshe Mazor,Jingqin Luo,David Banks,John Ryals,Chris Beecher	2010	134
7	α-Hydroxybutyrate Is an Early Biomarker of Insulin Resistance and Glucose Intolerance in a Nondiabetic Populationbreakdown → PLoS ONE ·Walter Gall,Kirk Beebe,Kay A. Lawton,Klaus‐Peter Adam,Matthew Mitchell,Diane A. Dickie,John Ryals,Michael V. Milburn,Monica Nannipieri,Stefania Camastra,Andrea Natali,Ele Ferrannini,(unknown)	2010	546
8	Untargeted Metabolomic Profiling as an Evaluative Tool of Fenofibrate-Induced Toxicology in Fischer 344 Male Rats Toxicologic Pathology ·Tetsuya Ohta,Naoya Masutomi,Naohisa Tsutsui,Tetsuya Sakairi,Matthew Mitchell,Michael V. Milburn,John Ryals,Kirk Beebe,Lining Guo	2009	187
9	Wheat Genes Encoding Two Types of PR-1 Proteins Are Pathogen Inducible, but Do Not Respond to Activators of Systemic Acquired Resistance Molecular Plant-Microbe Interactions ·Antonio Molina,Jörn Görlach,S. Volrath,John Ryals	1999	94
10	Benzothiadiazole induces disease resistance in Arabidopsis by activation of the systemic acquired resistance signal transduction pathwaybreakdown → The Plant Journal ·Kay A. Lawton,Leslie Friedrich,Michelle D. Hunt,Kris Weymann,塁橋本,Helmut Keßmann,Карасев Петр Александрович,John Ryals	1996	641
11	Recent advances in systemic acquired resistance research — a review Gene ·Michelle D. Hunt,Urs Neuenschwander,Terrence P. Delaney,Kris Weymann,Leslie Friedrich,Kay A. Lawton,RK Vijh,John Ryals	1996	67
12	Activation of plant disease resistance. Aspects of applied biology ·Urs Neuenschwander,Leslie Friedrich,Terrence P. Delaney,Bernard Vernooij,Helmut Keßmann,John Ryals	1995	7
13	Systemic Acquired Resistance PLANT PHYSIOLOGY ·John Ryals,Scott Uknes,E. R. Ward	1994	349
14	Salicylic acid as a signal molecule in plant-pathogen interactions Current Opinion in Cell Biology ·Bernard Vernooij,Scott Uknes,E. R. Ward,John Ryals	1994	60
15	Molecular Cloning and Sequencing of a cDNA Encoding Mung Bean Cytochrome P450 (P450C4H) Possessing Cinnamate 4-Hydroxylase Activity Biochemical and Biophysical Research Communications ·Masaharu Mizutani,E. R. Ward,J. Michael DiMaio,Daisaku Ohta,John Ryals,Sofía Montañez	1993	81
16	Chemical regulation of transgene expression in plants Plant Molecular Biology ·E. R. Ward,John Ryals,B. J. Miflin	1993	23
17	Two antiviral proteins, gp35 and gp22, correspond to ?-1,3-glucanase and an isoform of PR-5 Plant Molecular Biology ·Orit Edelbaum,Patrick Gabriels,Menachem Rubinstein,Daniela Novick,Alexandru Dragoman,Mary B. Moyer,E. R. Ward,John Ryals,Ilan Sela	1991	19
18	Differential Regulation of β-1,3-Glucanase Messenger RNAs in Response to Pathogen Infection PLANT PHYSIOLOGY ·E. R. Ward,George B. Payne,Mary B. Moyer,Shericca Williams,Sandra Dincher,Truchot Ghislain,J. Beck,F.H.A. Olde Scholtenhuis,Patricia Ahl-Goy,Frederick Meins,John Ryals	1991	119
19	Evidence for a third structural class of β-1,3-glucanase in tobacco Plant Molecular Biology ·George B. Payne,E. R. Ward,Thomas Gaffney,Patricia Ahl Goy,Mary B. Moyer,Andrew R. Harper,Frederick Meins,John Ryals	1990	70
20	Isolation and sequence of a genomic clone encoding the basic form of pathogenesis-related protein 1 fromNicotiana tabacum Plant Molecular Biology ·George B. Payne,کیوان گدرونی,Nalini Desai,Shericca Williams,Sandra Dincher,Michael G. Carnes,John Ryals	1989	34

About John Ryals

John Ryals is a scholar working on Plant Science, Biotechnology and Molecular Biology, having authored 109 papers that have together received 21.2k indexed citations. Recurring topics across this work include Plant-Microbe Interactions and Immunity (46 papers), Plant pathogens and resistance mechanisms (18 papers), Plant tissue culture and regeneration (16 papers), Plant Virus Research Studies (14 papers), Plant Pathogenic Bacteria Studies (11 papers), Transgenic Plants and Applications (10 papers), Metabolomics and Mass Spectrometry Studies (9 papers) and RNA and protein synthesis mechanisms (9 papers). The work is most often cited by research in Plant Science (16.9k citations), Horticulture (139 citations) and Biotechnology (1.1k citations). John Ryals has collaborated with scholars based in United States, Switzerland and Japan. Frequent co-authors include Scott Uknes, E. R. Ward, Leslie Friedrich, Helmut Keßmann, Urs Neuenschwander, Henry‐York Steiner, Terrence P. Delaney, Antonio Molina, Bernard Vernooij and Kay A. Lawton. Their work appears in journals such as The Plant Cell, Plant Molecular Biology, Proceedings of the National Academy of Sciences, Journal of Bacteriology and The Plant Journal.

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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