Application of denaturant gradient gel electrophoresis for the analysis of the porcine gastrointestinal microbiota

Joyce M. Simpson, Vance J. McCracken, Bryan A White, H Rex Gaskins, Roderick Ian Mackie

Research output: Contribution to journalArticle

Abstract

The porcine gastrointestinal tract (GIT) microbiota has been studied to increase production efficiency, improve product quality, and help attempt to reduce disease. During the developmental period from birth through weaning, the intestinal microbiota undergoes a rapid ecological succession. There is interest in developing a monitoring technique that allows for analysis of bacterial population levels and shifts within the pig intestine. The objective of this study was to determine if denaturant gradient gel electrophoresis (DGGE) could be effectively applied to measure changes in bacterial populations of the pig GIT, as influenced by age, diet or compartment. Bacterial genetic diversity was determined using DGGE analysis of the V3 region of 16S rDNA PCR products (~200 bp) obtained from primers specific for the domain Bacteria. Protocol development included optimization of: DNA extraction procedures, PCR amplification, removal of PCR artifacts, and optimization of gel preparation and image capture. DGGE analysis revealed diverse bacterial populations between pigs of different ages and among individual gut compartments. Comparison of fecal DNA from different aged pigs revealed several unique PCR product bands indicating the presence of unique bacterial populations. Comparison of different gut compartments demonstrated that bacterial populations were most similar (C(s) value >50%) within a single compartment and between adjacent ones. Thus, DGGE can be used to examine bacterial diversity and population shifts in the pig GIT. Copyright (C) 1999 Elsevier Science B.V.

Original languageEnglish (US)
Pages (from-to)167-179
Number of pages13
JournalJournal of Microbiological Methods
Volume36
Issue number3
DOIs
StatePublished - Jun 1 1999

Fingerprint

Electrophoresis
Swine
Gels
Population
Gastrointestinal Tract
Polymerase Chain Reaction
DNA
Ribosomal DNA
Weaning
Artifacts
Intestines
Gastrointestinal Microbiome
Parturition
Diet
Bacteria

Keywords

  • Bacterial diversity
  • DGGE
  • Gastrointestinal tract
  • Pig

ASJC Scopus subject areas

  • Microbiology
  • Molecular Biology
  • Microbiology (medical)

Cite this

Application of denaturant gradient gel electrophoresis for the analysis of the porcine gastrointestinal microbiota. / Simpson, Joyce M.; McCracken, Vance J.; White, Bryan A; Gaskins, H Rex; Mackie, Roderick Ian.

In: Journal of Microbiological Methods, Vol. 36, No. 3, 01.06.1999, p. 167-179.

Research output: Contribution to journalArticle

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