2013
DOI: 10.1016/j.meegid.2013.03.022
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Profiling the gastrointestinal microbiota in response to Salmonella: Low versus high Salmonella shedding in the natural porcine host

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Cited by 80 publications
(91 citation statements)
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References 61 publications
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“…In 2012, Looft et al, in an antibiotic feeding study with piglets weaned at 21 days and fed for 21 days, had results that contrasted with those of Lamendella et al (56): 20% Firmicutes, 50% Bacteroidetes, and ϳ10% Proteobacteria (57). Another study from Looft and colleagues reported ϳ20 to 30% Firmicutes and 50 to 60% Bacteroidetes in animals weaned at 12 days and tested at 8 weeks (58). One explanation for the dominance of the Firmicutes in our study is the use of terminal small ileum samples rather than fecal samples, and that explanation is supported by a recent study examining the composition of the microbiota in several segments of the porcine GI tract: here, the ileal microbiota was ϳ95% Firmicutes, whereas the cecal, colonic, and fecal flora was ϳ50% Bacteroidetes (30).…”
Section: Discussionmentioning
confidence: 98%
“…In 2012, Looft et al, in an antibiotic feeding study with piglets weaned at 21 days and fed for 21 days, had results that contrasted with those of Lamendella et al (56): 20% Firmicutes, 50% Bacteroidetes, and ϳ10% Proteobacteria (57). Another study from Looft and colleagues reported ϳ20 to 30% Firmicutes and 50 to 60% Bacteroidetes in animals weaned at 12 days and tested at 8 weeks (58). One explanation for the dominance of the Firmicutes in our study is the use of terminal small ileum samples rather than fecal samples, and that explanation is supported by a recent study examining the composition of the microbiota in several segments of the porcine GI tract: here, the ileal microbiota was ϳ95% Firmicutes, whereas the cecal, colonic, and fecal flora was ϳ50% Bacteroidetes (30).…”
Section: Discussionmentioning
confidence: 98%
“…At the genus level, the abundance of Peptococcus was lower in the caecal digesta of the OB group, and Catenibacterium was higher in the caecal digesta of the OB group compared to the CON group (Table 3). Peptococcus was frequently isolated from piggery wastes [21], while Catenibacterium was once discovered to have a significant increased abundance in pigs infected with Salmonella enterica [22,23]. Information about these two genera, for the most part, is currently lacking and thus there exists a great need for further research of these bacteria.…”
Section: Discussionmentioning
confidence: 99%
“…As could be expected, the bacterial community in the mixing fossa resembled bacteria found in animal feces. Many phylotypes belonging to Firmicutes possess enzymes that ferment plant cell wall components [Ziemer, 2013], and members of the Ruminococcaceae are known to produce short-chain fatty acids, which might promote gut health [Bearson et al, 2013]. Two bacterial families, i.e., Prevotellaceae (Bacteroidales) and Moraxellaceae (Pseudomonadales), had a high relative abundance in the mixing fossa.…”
Section: Microbial Community In the Mixing Fossa: Entrance To The Digmentioning
confidence: 99%
“…Two bacterial families, i.e., Prevotellaceae (Bacteroidales) and Moraxellaceae (Pseudomonadales), had a high relative abundance in the mixing fossa. Prevotellaceae is one of the most prevalent families in the swine gastrointestinal tract [Bearson et al, 2013], and strains belonging to Moraxellaceae are commensals or cause opportunistic infections [Pettersson et al, 1998]. As such, their high relative abundance in organic waste is easily understood.…”
Section: Microbial Community In the Mixing Fossa: Entrance To The Digmentioning
confidence: 99%