Triennial Lactation symposium: Nutrigenomics in livestock: Systems biology meets nutrition

Juan J Loor, M. Vailati-Riboni, Joshua Clay McCann, Z. Zhou, M. Bionaz

Research output: Contribution to journalArticle

Abstract

The advent of high-throughput technologies to study an animal’s genome, proteome, and metabolome (i.e., “omics” tools) constituted a setback to the use of reductionism in livestock research. More recent development of “next-generation sequencing” tools was instrumental in allowing in-depth studies of the microbiome in the rumen and other sections of the gastrointestinal tract. Omics, along with bioinformatics, constitutes the foundation of modern systems biology, a field of study widely used in model organisms (e.g., rodents, yeast, humans) to enhance understanding of the complex biological interactions occurring within cells and tissues at the gene, protein, and metabolite level. Application of systems biology concepts is ideal for the study of interactions between nutrition and physiological state with tissue and cell metabolism and function during key life stages of livestock species, including the transition from pregnancy to lactation, in utero development, or postnatal growth. Modern bioinformatic tools capable of discerning functional outcomes and biologically meaningful networks complement the ever-increasing ability to generate large molecular, microbial, and metabolite data sets. Simultaneous visualization of the complex intertissue adaptations to physiological state and nutrition can now be discerned. Studies to understand the linkages between the microbiome and the absorptive epithelium using the integrative approach are emerging. We present examples of new knowledge generated through the application of functional analyses of transcriptomic, proteomic, and metabolomic data sets encompassing nutritional management of dairy cows, pigs, and poultry. Published work to date underscores that the integrative approach across and within tissues may prove useful for fine-tuning nutritional management of livestock. An important goal during this process is to uncover key molecular players involved in the organismal adaptations to nutrition.

Original languageEnglish (US)
Pages (from-to)5554-5574
Number of pages21
JournalJournal of animal science
Volume93
Issue number12
DOIs
StatePublished - Dec 18 2015

Fingerprint

Nutrigenomics
nutrigenomics
Systems Biology
Livestock
Lactation
lactation
livestock
Microbiota
nutrition
physiological state
Computational Biology
bioinformatics
Biological Sciences
metabolites
Physiological Adaptation
metabolome
Metabolomics
Metabolome
Rumen
metabolomics

Keywords

  • Bioinformatics
  • Dairy cow
  • Microbiome
  • Monogastric nutrition

ASJC Scopus subject areas

  • Food Science
  • Animal Science and Zoology
  • Genetics

Cite this

Triennial Lactation symposium : Nutrigenomics in livestock: Systems biology meets nutrition. / Loor, Juan J; Vailati-Riboni, M.; McCann, Joshua Clay; Zhou, Z.; Bionaz, M.

In: Journal of animal science, Vol. 93, No. 12, 18.12.2015, p. 5554-5574.

Research output: Contribution to journalArticle

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