Lactobacillus succession in the piglet digestive tract demonstrated by plasmid profiling

Tannock, Gerald W.; Fuller, R.; Pedersen, Karl

doi:10.1128/aem.56.5.1310-1316.1990

Cited by 107 publications

(43 citation statements)

References 12 publications

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“…The pig's intestinal micro£ora undergoes a rapid ecological succession during the period from birth to weaning [36]. During and after birth, the young animal becomes contaminated with a variety of microbes from the birth canal and the immediate environment [4].…”

Section: Discussionmentioning

confidence: 99%

Effect of fermentable carbohydrates on piglet faecal bacterial communities as revealed by denaturing gradient gel electrophoresis analysis of 16S ribosomal DNA

Konstantinov

2003

FEMS Microbiology Ecology

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The effect of fermentable carbohydrates (sugar beet pulp and fructooligosaccharides) on the faecal bacterial communities of weaning piglets was analysed using 16S rDNA-based approaches. Amplicons of the V6^V8 variable regions of bacterial 16S rDNA were analysed by denaturing gradient gel electrophoresis (DGGE), cloning and sequencing. Differences in piglet faecal bacterial community structure were determined based on the Dice coefficients for pairwise comparison of the DGGE fingerprints and revealed significant changes in the faecal microbiota immediately after weaning. Piglets fed with fermentable carbohydrates showed a higher bacterial diversity and a more rapid stabilisation of the bacterial community compared with that of the animals fed with the control diet. Thirteen dominant DGGE bands were matched with sequences that showed 91^97% similarity to those derived from the Clostridium coccoides group and the Clostridium leptum subgroup. Amplicons related to Ruminococcus-like species were found in all DGGE fingerprints derived from pigs on the diet containing sugar beet pulp and fructooligosaccharides, but not in pigs on the control diet. These results indicate that these bacteria may play a role in the utilisation of dietary fibres.

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Section: Discussionmentioning

confidence: 99%

Effect of fermentable carbohydrates on piglet faecal bacterial communities as revealed by denaturing gradient gel electrophoresis analysis of 16S ribosomal DNA

Konstantinov

2003

FEMS Microbiology Ecology

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“…Most probiotic preparations consist of a mixture of strains or species of lactobacilli (Johnsson and Conway 1992). Such mixtures are more likely to be successful as probiotic preparations, since individual strains of lactobacilli are predominant members of the gut microflora for only comparatively short periods (Tannock et al 1990), and a mixture is more likely to contain a currently predominant strain than is a probiotic based on a single strain.…”

Section: Discussionmentioning

confidence: 99%

The effect of mixtures of Lactobacillus spp. on the survival of enterotoxigenic Escherichia coli in in vitro continuous culture of porcine intestinal bacteria

Hillman¹,

Spencer²,

Murdoch³

et al. 1995

Lett Appl Microbiol

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Mixtures of strains of Lactobacillus spp., two of strains inhibitory to growth of the porcine enteropathogen Escherichia coli O149: K88ac: K91 in a co-culture screen, and one of strains with no effect on this pathogen, were examined to determine their effects on the retention of this pathogen in an in-vitro continuous culture system designed to maintain a representation of the porcine ileal microflora. Strains effective in co-culture also increased the rate of decline of the pathogen in the continuous culture. The inhibitory effect exceeded the displacement effect observed with non-inhibitory strains.

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“…In many animal studies, the number of receptors available for some pathogens, in intestinal mucus and enterocytes, have been shown to increase postnatally [8^11]. In addition, the intestinal Lactobacillus population has been shown to change during infancy [5,12]. These data suggest that the ability of probiotic bacteria to adhere and colonise the intestinal mucosa, and therefore their e¤cacy to balance the endogenous micro£ora and to modulate the gastrointestinal immune system, may be dependent on the age of the host under probiotic therapy.…”

Section: Introductionmentioning

confidence: 99%

The ability of probiotic bacteria to bind to human intestinal mucus

Kirjavainen

1998

FEMS Microbiology Letters

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Human mucus was isolated from faecal samples of newborns, two and six month old infants and adults. The adhesion to this mucus by the bacteria mentioned below was assessed in vitro. Depending on the age group: 44^46% of the applied Lactobacillus GG, 23^30% of Bifidobacterium lactis Bb-12, 9^14% of Lactobacillus johnsonii LJ-1, 3^10% of Lactobacillus salivarius LM2-118, Lactobacillus crispatus M247, Lactobacillus paracasei F19 and 2% of L. crispatus Mu5 adhered. All the strains adhered better to the mucus of adults than to that of infants. With some of the strains significant differences between the infant age groups were also observed. In conclusion, the age of the target group may be worthy of consideration when planning a schedule for probiotic or functional food therapy. z

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Lactobacillus succession in the piglet digestive tract demonstrated by plasmid profiling

Cited by 107 publications

References 12 publications

Effect of fermentable carbohydrates on piglet faecal bacterial communities as revealed by denaturing gradient gel electrophoresis analysis of 16S ribosomal DNA

Effect of fermentable carbohydrates on piglet faecal bacterial communities as revealed by denaturing gradient gel electrophoresis analysis of 16S ribosomal DNA

The effect of mixtures of Lactobacillus spp. on the survival of enterotoxigenic Escherichia coli in in vitro continuous culture of porcine intestinal bacteria

The ability of probiotic bacteria to bind to human intestinal mucus

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