2026 Le Luo Guan: Biology and Biochemistry Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Biology and Biochemistry	82	3710	3418	118	107	311	23522

Overview

Le Luo Guan is affiliated with the University of Alberta in Canada. Their research primarily focuses on agricultural and biological sciences, with significant contributions to biochemistry, genetics, and molecular biology. The scientist has concentrated work in subfields including agronomy and crop science, molecular biology, infectious diseases, nutrition and dietetics, and small animals.

The main topics in their research include:

Ruminant nutrition and digestive physiology
Gut microbiota and health
Animal health and immunology
Plant and fungal interactions
Genetic and phenotypic traits in livestock
Reproductive physiology in livestock
Infant nutrition and health

Le Luo Guan has published frequently in the following venues:

Journal of Dairy Science
Journal of Animal Science
SSRN Electronic Journal
Microbiome
Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology

Some of the recent publications include:

Multi-omics reveals that the rumen microbiome and its metabolome together with the host metabolome contribute to individualized dairy cow performance, 2020, Microbiome
An integrated gene catalog and over 10,000 metagenome-assembled genomes from the gastrointestinal microbiome of ruminants, 2021, Microbiome
The Role of the Gut Microbiome in Cattle Production and Health: Driver or Passenger?, 2020, Annual Review of Animal Biosciences
Linking perturbations to temporal changes in diversity, stability, and compositions of neonatal calf gut microbiota: prediction of diarrhea, 2020, The ISME Journal
Understanding the role of rumen epithelial host-microbe interactions in cattle feed efficiency, 2022, Animal nutrition

Frequent collaborators with Le Luo Guan include:

M.A. Steele
Tim A. McAllister
Mi Zhou
Hui-Zeng Sun
Nilusha Malmuthuge

Best Publications

Rumen microbial community composition varies with diet and host, but a core microbiome is found across a wide geographical range

Gemma Henderson;Faith Cox;Siva Ganesh;Arjan Jonker

1704
Citations
The Genome Sequence of Taurine Cattle: A Window to Ruminant Biology and Evolution

Christine G. Elsik;Christine G. Elsik;Christine G. Elsik;Ross L. Tellam;Kim C. Worley;Kim C. Worley;Richard A. Gibbs

1451
Citations
Multi-omics reveals that the rumen microbiome and its metabolome together with the host metabolome contribute to individualized dairy cow performance

Ming-Yuan Xue;Hui-Zeng Sun;Hui-Zeng Sun;Xue-Hui Wu;Jian-Xin Liu

525
Citations
Addressing global ruminant agricultural challenges through understanding the rumen microbiome: past, present and future

Sharon A. Huws;Christopher J. Creevey;Linda B. Oyama;Itzhak Mizrahi

511
Citations
Board-invited review: the biology and regulation of preadipocytes and adipocytes in meat animals.

G. J. Hausman;M. V. Dodson;K. Ajuwon;M. Azain

420
Citations
Assessment of the Microbial Ecology of Ruminal Methanogens in Cattle with Different Feed Efficiencies

Mi Zhou;Emma Hernandez-Sanabria;Le Luo Guan

398
Citations
Linkage of microbial ecology to phenotype: correlation of rumen microbial ecology to cattle's feed efficiency.

Le Luo Guan;Joshua D. Nkrumah;Joshua D. Nkrumah;John A. Basarab;Stephen S. Moore

368
Citations
Metatranscriptomic Profiling Reveals Linkages between the Active Rumen Microbiome and Feed Efficiency in Beef Cattle.

Fuyong Li;Le Luo Guan

302
Citations
Development and physiology of the rumen and the lower gut: Targets for improving gut health.

Michael A. Steele;Greg B. Penner;Frédérique Chaucheyras-Durand;Le Luo Guan

297
Citations
The Gut Microbiome and Its Potential Role in the Development and Function of Newborn Calf Gastrointestinal Tract

Nilusha Malmuthuge;Philip J. Griebel;Philip J. Griebel;Le Luo Guan

295
Citations
Effects of sampling location and time, and host animal on assessment of bacterial diversity and fermentation parameters in the bovine rumen.

M. Li;G.B. Penner;E. Hernandez-Sanabria;M. Oba

277
Citations
Taxonomic identification of commensal bacteria associated with the mucosa and digesta throughout the gastrointestinal tracts of preweaned calves.

Nilusha Malmuthuge;Philip J. Griebel;Philip J. Griebel;Le Luo Guan

265
Citations
Review: Biological determinants of between-animal variation in feed efficiency of growing beef cattle.

G. Cantalapiedra-Hijar;M. Abo-Ismail;G.E. Carstens;L.L. Guan

249
Citations
Characterization of variation in rumen methanogenic communities under different dietary and host feed efficiency conditions, as determined by PCR-denaturing gradient gel electrophoresis analysis.

Mi Zhou;Emma Hernandez-Sanabria;Le Luo Guan

236
Citations
Effect of dietary forage to concentrate ratio on volatile fatty acid absorption and the expression of genes related to volatile fatty acid absorption and metabolism in ruminal tissue.

G.B. Penner;M. Taniguchi;L.L. Guan;K.A. Beauchemin

225
Citations
Impact of feed efficiency and diet on adaptive variations in the bacterial community in the rumen fluid of cattle.

Emma Hernandez-Sanabria;Laksiri A. Goonewardene;Zhiquan Wang;Obioha N. Durunna

220
Citations
Reducing GHG emissions through genetic improvement for feed efficiency: effects on economically important traits and enteric methane production

J. A. Basarab;K. A. Beauchemin;V. S. Baron;K. H. Ominski

220
Citations
Transcriptome microRNA profiling of bovine mammary epithelial cells challenged with Escherichia coli or Staphylococcus aureus bacteria reveals pathogen directed microRNA expression profiles

Weiwu Jin;Eveline M Ibeagha-Awemu;Guanxiang Liang;Frédéric Beaudoin

198
Citations
Detection and identification of Lactobacillus species in crops of broilers of different ages by using PCR-denaturing gradient gel electrophoresis and amplified ribosomal DNA restriction analysis.

Le Luo Guan;Karen E. Hagen;Gerald W. Tannock;Gerald W. Tannock;Doug R. Korver

187
Citations
Understanding host-microbial interactions in rumen: searching the best opportunity for microbiota manipulation.

Nilusha Malmuthuge;Le Luo Guan

181
Citations