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Lactobacilli in the...
Lactobacilli in the intestinal microbiota of Swedish infants
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- Ahrné, Siv (author)
- Lund University,Lunds universitet,Livsmedelsteknik,Avdelningen för livsmedel och läkemedel,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Food Technology, Engineering and Nutrition,Division of Food and Pharma,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH
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- Lönnermark, Elisabeth, 1965 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för laboratoriemedicin, Avdelningen för klinisk bakteriologi,Institute of Laboratory Medicine, Dept of Clinical Bacteriology
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- Wold, Agnes E, 1955 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för laboratoriemedicin, Avdelningen för klinisk bakteriologi,Institute of Laboratory Medicine, Dept of Clinical Bacteriology
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- Åberg, Nils, 1943 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kvinnors och barns hälsa, Avdelningen för pediatrik,Institute for the Health of Women and Children, Dept of Paediatrics
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- Hesselmar, Bill, 1955 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kvinnors och barns hälsa, Avdelningen för pediatrik,Institute for the Health of Women and Children, Dept of Paediatrics
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- Saalman, Robert, 1952 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kvinnors och barns hälsa, Avdelningen för pediatrik,Institute for the Health of Women and Children, Dept of Paediatrics
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- Strannegård, Inga-Lisa, 1937 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kvinnors och barns hälsa, Avdelningen för pediatrik,Institute for the Health of Women and Children, Dept of Paediatrics
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- Molin, Göran (author)
- Lund University,Lunds universitet,Livsmedelsteknik,Avdelningen för livsmedel och läkemedel,Institutionen för processteknik och tillämpad biovetenskap,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Food Technology, Engineering and Nutrition,Division of Food and Pharma,Department of Process and Life Science Engineering,Departments at LTH,Faculty of Engineering, LTH
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- Adlerberth, Ingegerd, 1959 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för laboratoriemedicin, Avdelningen för klinisk bakteriologi,Institute of Laboratory Medicine, Dept of Clinical Bacteriology
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(creator_code:org_t)
- Elsevier BV, 2005
- 2005
- English.
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In: Microbes and Infection. - : Elsevier BV. - 1286-4579 .- 1769-714X. ; 7:11-12, s. 1256-62
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Abstract
Subject headings
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- Lactobacillus colonisation was examined in 112 Swedish infants. Faecal samples obtained at 1, 2, 4 and 8 weeks and at 6, 12 and 18 months of age were cultivated quantitatively on Rogosa agar. Lactobacilli were speciated by PCR and typed to the strain level by randomly amplified polymorphic DNA (RAPD). Lactobacilli reached a peak at 6 months when 45% of the infants were colonised. L. rhamnosus and L. gasseri were the most common species in this period. Colonisation by lactobacilli in general (P < 0.01) and L. rhamnosus in particular (P < 0.05) was more common in breast-fed than in weaned infants at 6 months of age. Lactobacillus isolation reached a nadir of 17% by 12 months (P < 0.0001), but increased to 31% by 18 months of age P < 0.05). The food-related species L. paracasei, L. plantarum, L. acidophilus and L. delbrueckii dominated in this second phase. A single strain persisted for at least 3 weeks in 17% of the infants during the first 6 months, most commonly L. rhamnosus. Lactobacillus population counts in colonised infants increased from 10(6.4) cfu/g at 1 week to 10(8.8) cfu/g at 6 months, and then dropped to 10(5.4) cfu/g faeces at 12 months of age. Lactobacillus colonisation was not significantly related to delivery mode, or to presence of siblings or pets in the household. Our results suggest that certain Lactobacillus species, especially L. rhamnosus, thrive in the intestinal flora of breast-fed infants. After weaning they are replaced by other Lactobacillus species of types found in food.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Pediatrik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Pediatrics (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
Keyword
- Breast Feeding
- Colony Count
- Microbial
- DNA Fingerprinting
- DNA
- Bacterial/analysis
- Feces/microbiology
- Humans
- Infant
- Infant
- Newborn
- Intestines/*microbiology
- purification
- Polymerase Chain Reaction
- Random Amplified Polymorphic DNA Technique
- Sweden
- Time Factors
- Weaning
- Lactobacillus
- Colonisation
- Intestine
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Ahrné, Siv
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Lönnermark, Elis ...
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Wold, Agnes E, 1 ...
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Åberg, Nils, 194 ...
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Hesselmar, Bill, ...
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Saalman, Robert, ...
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Strannegård, Ing ...
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Molin, Göran
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Adlerberth, Inge ...
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Pediatrics
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Microbiology in ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Infectious Medic ...
- Articles in the publication
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Microbes and Inf ...
- By the university
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University of Gothenburg
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Lund University