Timothy J. Johnson

14.9k citations

184 papers · 10.8k indexed · 5 hit papers · h-index 52

Endocrinology top 0.02%
- Escherichia coli research studies 59
Molecular Medicine top 0.02%
- Antibiotic Resistance in Bacteria 60
Food Science top 0.05%
- Salmonella and Campylobacter epidemiology 67
- Probiotics and Fermented Foods 23
Animal Science and Zoology top 0.2%
- Animal Nutrition and Physiology 26
Microbiology top 0.5%
Molecular Biology
- Gut microbiota and health 37
Ecology
- Bacteriophages and microbial interactions 20
Pollution
- Pharmaceutical and Antibiotic Environmental Impacts 20

Co-authors: Lisa K. Nolan Sara J. Johnson Curt Doetkott Yvonne Wannemuehler Jessica L. Danzeisen Catherine W. Giddings Steven L. Foley James R. Johnson
Cited by: Endocrinology Molecular Medicine Food Science
Partner nations: United States Spain Australia

In The Last Decade

Timothy J. Johnson

176 papers receiving 10.6k citations

Hit Papers

5 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.

2019 Piglet gut microbial shifts early in life: causes and effects
2016 Systematic improvement of amplicon marker gene methods for increased accuracy in microbiome studies
2014 The chicken gastrointestinal microbiome
2011 Modulations of the Chicken Cecal Microbiome and Metagenome in Response to Anticoccidial and Growth Promoter Treatment
2011 Population Dynamics of Salmonella enterica Serotypes in Commercial Egg and Poultry Production

Peers

Countries citing papers authored by Timothy J. Johnson

Since Specialization

Citations

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

Fields of papers citing papers by Timothy J. Johnson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network

The 25 scholars most cited alongside Timothy J. Johnson, 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 Timothy J. Johnson Line = papers co-authored together Timothy J. Johnson links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Do we need a standardized 16S rRNA gene amplicon sequencing analysis protocol for poultry microbiota research? Joshua M. Lyte,Mitiku Mihiret Seyoum,Diana E. Ayala,Jannigje G. Kers,Valentina Caputi,Timothy J. Johnson,Li Zhang,J. Rehberger,Guolong Zhang,Sami Dridi,Brett Hale,Jean Eduardo de Oliveira,Daniel Grum,Alexandra H. Smith,Michael H. Kogut,Steven C. Ricke,Anne Ballou,Bill Potter,Monika Proszkowiec‐Weglarz	2025	2
2	Combination of autochthonous Lactobacillus strains and trans-Cinnamaldehyde in water reduces Salmonella Heidelberg in turkey poults Grace Dewi,Shijinaraj Manjankattil,Claire Peichel,Timothy J. Johnson,Sally Noll,Carol J. Cardona,Anup Kollanoor Johny	2024	4
3	Impact of a postbiotic containing saponin, with or without vaccination, on the mitigation of colibacillosis in broilers challenged with avian pathogenic Escherichia coli serotype O78 W. Evan Chaney,Timothy J. Johnson,Alain Meyer,Teresia Maina,V.A. Kuttappan,S. Ali Naqvi,Mary K. Phillips‐Jones,Charles L. Hofacre	2024	3
4	Evidence of host specificity in Lactobacillus johnsonii genomes and its influence on probiotic potential in poultry Abigail J. Johnson,Elizabeth A. Miller,Bonnie Weber,Cristian Flores Figueroa,Jeannette Munoz Aguayo,Anup Kollanoor Johny,Sally Noll,J.A. Brannon,Briana Kozlowicz,Timothy J. Johnson	2023	18
5	Survey of clinical and commensal Escherichia coli from commercial broilers and turkeys, with emphasis on high-risk clones using APECTyper Jodi Delago,Elizabeth A. Miller,Cristian Flores-Figueroa,Jeannette Muñoz-Aguayo,Carol J. Cardona,Alexandra H. Smith,Timothy J. Johnson	2023	6
6	Dietary Inclusion of a Saccharomyces cerevisiae-Derived Postbiotic Is Associated with Lower Salmonella enterica Burden in Broiler Chickens on a Commercial Farm in Honduras W. Evan Chaney,S. Ali Naqvi,Manuel Gutierrez,A.G. Gernat,Timothy J. Johnson,D. B. Petry	2022	17
7	Genomic Epidemiology of Shiga Toxin-Producing Escherichia coli Isolated from the Livestock-Food-Human Interface in South America Nicolás Galarce,Fernando Sánchez,Beatriz Escobar,Lisette Lapierre,Javiera Cornejo,Raúl Alegría‐Morán,Víctor Neira,Vı́ctor Martı́nez,Timothy J. Johnson,Danny Fuentes‐Castillo,Elder Sano,Nilton Lincopán	2021	16
8	Genomic features and antimicrobial resistance patterns of Shiga toxin‐producing Escherichia coli strains isolated from food in Chile Fernando Sánchez,Verónica Fuenzalida,Romina Ramos,Beatriz Escobar,Víctor Neira,Consuelo Borie,Lisette Lapierre,P. López,Lucas Venegas,Phillip Dettleff,Timothy J. Johnson,Danny Fuentes‐Castillo,Nilton Lincopán,Nicolás Galarce	2021	10
9	Genomic diversity and molecular epidemiology of Pasteurella multocida Emily Smith,Elizabeth A. Miller,Jeannette Munoz Aguayo,Cristian Flores Figueroa,Jill Nezworski,Marissa Studniski,B. W. Wileman,Timothy J. Johnson	2021	40
10	Emergence of a Novel Salmonella enterica Serotype Reading Clonal Group Is Linked to Its Expansion in Commercial Turkey Production, Resulting in Unanticipated Human Illness in North America Elizabeth A. Miller,Ehud Elnekave,Cristian Flores-Figueroa,Abigail J. Johnson,Ashley Kearney,Jeannette Muñoz-Aguayo,Kaitlin A. Tagg,Lorelee Tschetter,Bonnie Weber,Céline Nadon,Dave Boxrud,Randall S. Singer,Jason P. Folster,Timothy J. Johnson	2020	27
11	Diverse Commensal Escherichia coli Clones and Plasmids Disseminate Antimicrobial Resistance Genes in Domestic Animals and Children in a Semirural Community in Ecuador Liseth Salinas,Paúl Cárdenas,Timothy J. Johnson,Karla Vasco,Jay P. Graham,Gabriel Trueba	2019	48
12	Microbial associations and spatial proximity predict North American moose ( Alces alces ) gastrointestinal community composition Nicholas M. Fountain‐Jones,Nicholas J. Clark,Amy C. Kinsley,Michelle Carstensen,James D. Forester,Timothy J. Johnson,Elizabeth A. Miller,Seth A. Moore,Tiffany M. Wolf,Meggan E. Craft	2019	20
13	Bacterial community structure and function distinguish gut sites in captive red‐shanked doucs (Pygathrix nemaeus) Jonathan B. Clayton,Robin Shields‐Cutler,Suzie Hoops,Gabriel A. Al‐Ghalith,John Chih Mun Sha,Timothy J. Johnson,Dan Knights	2019	10
14	Antibiotics and Host-Tailored Probiotics Similarly Modulate Effects on the Developing Avian Microbiome, Mycobiome, and Host Gene Expression Tonya Ward,Bonnie Weber,Kristelle M. Mendoza,Jessica L. Danzeisen,Katharine Llop,Kevin S. Lang,Jonathan B. Clayton,Elicia D. Grace,J.A. Brannon,Igor Radović,Mai V. Beauclaire,Timothy Heisel,Dan Knights,Carol J. Cardona,Michael H. Kogut,Casey Johnson,Sally Noll,Ryan J. Arsenault,Kent M. Reed,Timothy J. Johnson	2019	29
15	Separate F-Type Plasmids Have Shaped the Evolution of the H 30 Subclone of Escherichia coli Sequence Type 131 Timothy J. Johnson,Jessica L. Danzeisen,Bonnie P. Youmans,Kyle A. Case,Katharine Llop,Jeannette Muñoz-Aguayo,Cristian Flores-Figueroa,Maliha Aziz,Nicole Stoesser,Evgeni V. Sokurenko,Lance B. Price,James R. Johnson	2016	98
16	Associations Between Multidrug Resistance, Plasmid Content, and Virulence Potential Among Extraintestinal Pathogenic and Commensal Escherichia coli from Humans and Poultry Timothy J. Johnson,Catherine M. Logue,James R. Johnson,Michael A. Kuskowski,Julie S. Sherwood,H. John Barnes,Chitrita DebRoy,Yvonne Wannemuehler,Mana Obata‐Yasuoka,Lodewijk Spanjaard,Lisa K. Nolan	2011	115
17	Pathogenomics of the Virulence Plasmids ofEscherichia coli Timothy J. Johnson,Lisa K. Nolan	2009	328
18	Examination of the Source and Extended Virulence Genotypes of Escherichia coli Contaminating Retail Poultry Meat Timothy J. Johnson,Catherine M. Logue,Yvonne Wannemuehler,Subhashinie Kariyawasam,Curt Doetkott,Chitrita DebRoy,David G. White,Lisa K. Nolan	2009	62
19	The Genome Sequence of Avian PathogenicEscherichia coliStrain O1:K1:H7 Shares Strong Similarities with Human Extraintestinal PathogenicE. coliGenomes Timothy J. Johnson,Subhashinie Kariyawasam,Yvonne Wannemuehler,Paul Mangiamele,Sara J. Johnson,Curt Doetkott,Jerod A. Skyberg,Aaron M. Lynne,James R. Johnson,Lisa K. Nolan	2007	321
20	Plasmid Replicon Typing of Commensal and Pathogenic Escherichia coli Isolates Timothy J. Johnson,Yvonne Wannemuehler,Sara J. Johnson,Catherine M. Logue,David G. White,Curt Doetkott,Lisa K. Nolan	2007	283

About Timothy J. Johnson

Timothy J. Johnson is a scholar working on Endocrinology, Molecular Medicine and Food Science, having authored 184 papers that have together received 10.8k indexed citations. Recurring topics across this work include Salmonella and Campylobacter epidemiology (67 papers), Antibiotic Resistance in Bacteria (60 papers), Escherichia coli research studies (59 papers), Gut microbiota and health (37 papers), Animal Nutrition and Physiology (26 papers), Probiotics and Fermented Foods (23 papers), Bacteriophages and microbial interactions (20 papers) and Pharmaceutical and Antibiotic Environmental Impacts (20 papers). The work is most often cited by research in Endocrinology (4.2k citations), Molecular Medicine (3.8k citations) and Food Science (4.1k citations). Timothy J. Johnson has collaborated with scholars based in United States, Spain and Australia. Frequent co-authors include Lisa K. Nolan, Sara J. Johnson, Curt Doetkott, Yvonne Wannemuehler, Jessica L. Danzeisen, Catherine W. Giddings, Steven L. Foley, James R. Johnson, Catherine M. Logue and Richard E. Isaacson.

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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