John S. Gilleard - Publications, H-index & Citations

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John S. Gilleard

faculty of veterinary medicine

55H-index

232Paper Count

8.8KCitation Count

Published Papers 83

Publication Date

First genetic characterization of gastrointestinal nematode communities and benzimidazole resistance in cattle from Argentina

Heredity

IF3.9

2026-08-03

PREAI

María L. Maté; Candela Canton; Elizabeth Redman; Mariana Ballent; Carlos Lanusse; Luis I. Alvarez; John S. Gilleard; Juan P. Liron

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The development and validation of long-read ITS-1/5.8S/ITS-2 nemabiome metabarcoding for ovine gastrointestinal nematodes using Oxford Nanopore Technologies (ONT) sequencing

International Journal for Parasitology

IF3.2

2026-04-15

OAAI

Eléonore Charrier; Rebecca Chen; Elizabeth Redman; Sawsan Ammar; Camila Meira; Camila Queiroz; John.S. Gilleard

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Enhanced detection of equine strongyles: Insights from morphological and nemabiome metabarcoding approaches in northern Iran

EQUINE VETERINARY JOURNAL

IF2.2

2025-11-01

OAAI

Mohtasebi, Sina; Ahn, Sangwook; Karimi, Mahan; Saberi, Mohammad; Gilleard, John S.; Poissant, Jocelyn

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International Journal for Parasitology: Drugs and Drug Resistance

IF0

2025-10-07

OAAI

Camila Queiroz; Michel Levy; Russell Avramenko; Rebecca Chen; Michaela Seal; Elizabeth Redman; Anne Zajac; John Stuart Gilleard

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Nemabiome metabarcoding of wild conservation bison herds and co-grazing cattle reveals different species compositions and low-level benzimidazole resistance

INTERNATIONAL JOURNAL FOR PARASITOLOGY-PARASITES AND WILDLIFE

IF0

2025-09-01

OAAI

Kipp, Kaylee R.; Redman, Elizabeth M.; Luksovsky, Joe L.; Claussen, Dani; Jones, Lee C.; Buttke, Danielle E.; Budke, Christine M.; Cook, Walter E.; Gilleard, John S.; Verocai, Guilherme G.

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High frequency of benzimidazole resistance polymorphisms and age-class differences in trichostrongyle nematodes of ranched bison from the south-central United States

INTERNATIONAL JOURNAL FOR PARASITOLOGY-DRUGS AND DRUG RESISTANCE

IF3.4

2025-06-10

OAAI

Kaylee R. Kipp; Elizabeth M. Redman; Joe L. Luksovsky; Dani Claussen; John S. Gilleard; Guilherme G. Verocai

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Naturally occurring variation in a cytochrome P450 modifies thiabendazole responses independently of beta-tubulin

PLOS PATHOGENS

IF4.9

2025-01-14

OAAI

Collins, J. B.; Dilks, Clayton M.; Hahnel, Steffen R.; Rodriguez, Briana; Fox, Bennett W.; Redman, Elizabeth; Yu, Jingfang; Cooke, Brittany; Sihuta, Kateryna; Zamanian, Mostafa; Roy, Peter J.; Schroeder, Frank C.; Gilleard, John S.; Andersen, Erik C.

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Trichuriasis in Human Patients from Côte d'Ivoire Caused by Novel Trichuris incognita Species with Low Sensitivity to Albendazole/Ivermectin Combination Treatment

EMERGING INFECTIOUS DISEASES

IF6.6

2025-01-01

OAAI

Venkatesan, Abhinaya; Chen, Rebecca; Bar, Max; Schneeberger, Pierre H. H.; Reimer, Brenna; Hurlimann, Eveline; Coulibaly, Jean T.; Ali, Said M.; Sayasone, Somphou; Soghigian, John; Keiser, Jennifer; Gilleard, John Stuart

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Towards precision parasite management for livestock gastrointestinal nematodes in 2030

Trends in Parasitology

IF6.6

2024-10-01

PREAI

Slapeta, Jan; Velde, Fiona Vande; Martinez-Valladares, Maria; Canton, Candela; Claerebout, Edwin; Gilleard, John Stuart

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Multiple UDP glycosyltransferases modulate benzimidazole drug sensitivity in the nematode Caenorhabditis elegans in an additive manner

INTERNATIONAL JOURNAL FOR PARASITOLOGY

IF3.2

2024-09-01

OAAI

Sharma, Nidhi; Au, Vinci; Martin, Kiana; Edgley, Mark L.; Moerman, Don; Mains, Paul E.; Gilleard, John S.

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Next-generation sequencing technologies for helminth diagnostics and surveillance in ruminants: shifting diagnostic barriers

Trends in Parasitology

IF6.6

2024-06-01

PREAI

Antonopoulos, Alistair; Gilleard, John S.; Charlier, Johannes

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A set of nematode rRNA cistron databases and a primer assessment tool to enable more flexible and comprehensive metabarcoding

MOLECULAR ECOLOGY RESOURCES

IF5.5

2024-05-11

OAAI

Charrier, Eleonore; Chen, Rebecca; Thundathil, Noelle; Gilleard, John S.

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Integration of ITS-2 rDNA nemabiome metabarcoding with Fecal Egg Count Reduction Testing (FECRT) reveals ivermectin resistance in multiple gastrointestinal nematode species, including hypobiotic Ostertagia ostertagi, in western Canadian beef cattle

INTERNATIONAL JOURNAL FOR PARASITOLOGY-DRUGS AND DRUG RESISTANCE

IF3.4

2023-08-01

OAAI

De Seram, Eranga L.; Uehlinger, Fabienne D.; de Queiroz, Camila; Redman, Elizabeth M.; Campbell, John R.; Nooyen, Drue; Morisetti, Arianna; Pollock, Colleen M.; Ekanayake, Samantha; Penner, Gregory B.; Gilleard, John S.

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cis regulatory requirements for hypodermal cell-specific expression of the Caenorhabditis elegans cuticle collagen gene dpy-7

MOLECULAR AND CELLULAR BIOLOGY

IF2.7

2023-03-29

189

OAAI

Gilleard, JS; Barry, JD; Johnstone, IL

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Activation of hypodermal differentiation in the Caenorhabditis elegans embryo by GATA transcription factors ELT-1 and ELT-3

MOLECULAR AND CELLULAR BIOLOGY

IF2.7

2023-03-27

111

OAAI

Gilleard, JS; McGhee, JD

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It's a small world for parasites: evidence supporting the North American invasion of European Echinococcus multilocularis

PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

IF3.5

2023-03-08

OAAI

Santa, Maria A. A.; Umhang, Gerald; Klein, Claudia; Grant, Danielle M. M.; Ruckstuhl, Kathreen E. E.; Musiani, Marco; Gilleard, John S. S.; Massolo, Alessandro

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Molecular evidence of widespread benzimidazole drug resistance in Ancylostoma caninum from domestic dogs throughout the USA and discovery of a novel β-tubulin benzimidazole resistance mutation

PLOS PATHOGENS

IF4.9

2023-03-02

OAAI

Venkatesan, Abhinaya; Jimenez Castro, Pablo D.; Morosetti, Arianna S.; Horvath, Hannah C.; Chen, Rebecca M.; Redman, Elizabeth S.; Dunn, Kayla; Collins, James Bryant V.; Fraser, James S.; Anderson, Erik C. V.; Kaplan, Ray M.; Gilleard, John S. V.

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Shortened egg reappearance periods of equine cyathostomins following ivermectin or moxidectin treatment: morphological and molecular investigation of efficacy and species composition

INTERNATIONAL JOURNAL FOR PARASITOLOGY

IF3.2

2022-11-01

PREAI

Nielsen, Martin K.; Steuer, Ashley E.; Anderson, Haley P.; Gavriliuc, Stefan; Carpenter, Alyssa B.; Redman, Elizabeth M.; Gilleard, John S.; Reinemeyer, Craig R.; Poissant, Jocelyn

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Generalist nematodes dominate the nemabiome of roe deer in sympatry with sheep at a regional level

INTERNATIONAL JOURNAL FOR PARASITOLOGY

IF3.2

2022-11-01

OAAI

Beaumelle, Camille; Redman, Elizabeth; Verheyden, Helene; Jacquiet, Philippe; Begoc, Noemie; Veyssiere, Florence; Benabed, Slimania; Cargnelutti, Bruno; Lourtet, Bruno; Poirel, Marie-Therese; de Rijke, Jill; Yannic, Glenn; Gilleard, John S.; Bourgoin, Gilles

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Genomic landscape of drug response reveals mediators of anthelmintic resistance

CELL REPORTS

IF6.9

2022-10-01

OAAI

Doyle, Stephen R.; Laing, Roz; Bartley, David; Morrison, Alison; Holroyd, Nancy; Maitland, Kirsty; Antonopoulos, Alistair; Chaudhry, Umer; Flis, Ilona; Howell, Sue; McIntyre, Jennifer; Gilleard, John S.; Tait, Andy; Mable, Barbara; Kaplan, Ray; Sargison, Neil; Britton, Collette; Berriman, Matthew; Devaney, Eileen; Cotton, James A.

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Research Directions