Research Topics
| S H DuncanSummaryAffiliation: Rowett Research Institute Country: UK Publications
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Detail Information
Publications
Effects of esculin and esculetin on the survival of Escherichia coli O157 in human faecal slurries, continuous-flow simulations of the rumen and colon and in calvesSylvia H Duncan
Gut Microbiology and Immunology Division, Rowett Research Institute, Bucksburn, Aberdeen AB21 9SB, UK
Br J Nutr 91:749-55. 2004..Coumarin compounds that occur naturally in dietary plants or when supplemented in the diet probably inhibit the survival of E. coli O157 in the gut...- Growth requirements and fermentation products of Fusobacterium prausnitzii, and a proposal to reclassify it as Faecalibacterium prausnitzii gen. nov., comb. novSylvia H Duncan
Division of Gut Microbiology and Immunology, Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen A821 9SB, UK
Int J Syst Evol Microbiol 52:2141-6. 2002..nov., comb. nov. ATCC 27768(T) (= NCIMB 13872(T)) (formerly Fusobacterium prausnitzii) as the type species together with ATCC 27766 and the newly isolated strains A2-165 and L2-6... - Cultivable bacterial diversity from the human colonS H Duncan
Rowett Research Institute, Microbial Ecology Group, Aberdeen, UK
Lett Appl Microbiol 44:343-50. 2007..Despite this many new species are being isolated and described that occupy distinct niches in the colonic microbial community. This review focuses on these under-studied yet important gut anaerobes... - Roseburia intestinalis sp. nov., a novel saccharolytic, butyrate-producing bacterium from human faecesSylvia H Duncan
Gut Microbiology and Immunology Division, Rowett Research Institute, Bucksburn, Aberdeen, UK
Int J Syst Evol Microbiol 52:1615-20. 2002..It is proposed that a novel species, Roseburia intestinalis sp. nov., be created, with strain L1-82T (= DSM 14610T = NCIMB 13810T) as the type strain... 
Acetate utilization and butyryl coenzyme A (CoA):acetate-CoA transferase in butyrate-producing bacteria from the human large intestineSylvia H Duncan
Division of Gut Microbiology and Immunology, Rowett Research Institute Bucksburn, Aberdeen AB21 9SB, United Kingdom
Appl Environ Microbiol 68:5186-90. 2002..These results demonstrate that different functionally distinct groups of butyrate-producing bacteria are present in the human large intestine...
Proposal of a neotype strain (A1-86) for Eubacterium rectale. Request for an opinionSylvia H Duncan
Microbial Ecology Group, Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen, UK
Int J Syst Evol Microbiol 58:1735-6. 2008..It is therefore proposed that strain A1-86 (=DSM 17629=NCIMB 14373), isolated from human adult faeces, be formally recognized as the neotype strain of Eubacterium rectale...- Characteristics of sheep-rumen isolates of Pseudomonas aeruginosa inhibitory to the growth of Escherichia coli O157S H Duncan
Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen AB21 9SB, UK
FEMS Microbiol Lett 180:305-10. 1999..Tested strains attached in large numbers to cultured rumen epithelial cells, potentially providing a means of survival in this ecosystem... - Inhibitory activity of gut bacteria against Escherichia coli O157 mediated by dietary plant metabolitesS H Duncan
Rowett Research Institute, Bucksburn, Aberdeen, UK
FEMS Microbiol Lett 164:283-8. 1998..coli O157 in the gut. Adding esculin to incubations of mixed rumen contents significantly reduced the survival of E. coli O157... - Understanding the effects of diet on bacterial metabolism in the large intestineP Louis
Microbial Ecology Group, Rowett Research Institute, Aberdeen, UK
J Appl Microbiol 102:1197-208. 2007..Better understanding of the colonic microbial ecosystem will help to explain and predict the effects of dietary additives, including nondigestible carbohydrates, probiotics and prebiotics... - Dietary effects on the microbiological safety of foodE C McWilliam Leitch
Gut Microbiology and Immunology Division, Rowett Research Institute, Bucksburn, Aberdeen, UK
Proc Nutr Soc 60:247-55. 2001..This system may prove useful for the study of dietary effects on food-borne pathogens... - Human colonic microbiota associated with diet, obesity and weight lossS H Duncan
Rowett Institute of Nutrition and Health, University of Aberdeen, Bucksburn, Aberdeen, UK
Int J Obes (Lond) 32:1720-4. 2008..It has been proposed that the development of obesity in humans is influenced by the relative proportions of the two major phyla of bacteria (Bacteroidetes and Firmicutes) present in the large intestine... - Binding and degradation of lectins by components of rumen liquorK Baintner
Rowett Research Institute, Aberdeen, Scotland, UK
J Appl Bacteriol 74:29-35. 1993..Clearly, as some lectins were not fully degraded in the rumen, they could be expected to depress the utilization of the diet not only in single-stomach animals but, possibly, also in ruminants... - Restricted distribution of the butyrate kinase pathway among butyrate-producing bacteria from the human colonPetra Louis
Division of Gut Microbiology and Immunology, Rowett Research Institute, Bucksburn, Aberdeen AB21 9SB, UK
J Bacteriol 186:2099-106. 2004.... - Anaerostipes caccae gen. nov., sp. nov., a new saccharolytic, acetate-utilising, butyrate-producing bacterium from human faecesAndreas Schwiertz
Department of Gastrointestinal Microbiology, German Institute of Human Nutrition, Bergholz Rehbrücke
Syst Appl Microbiol 25:46-51. 2002..Based on phenotypic and phylogenetic criteria, it is proposed that the two strains from faeces be classified as a new genus and species, Anaerostipes caccae. The type strain of Anaerostipes caccae is NCIMB 13811T (= DSM 14662T)... - Impact of pH on lactate formation and utilization by human fecal microbial communitiesAlvaro Belenguer
Estación Agrícola Experimental, Finca Marzanas s n, 24346 Grulleros León, Spain
Appl Environ Microbiol 73:6526-33. 2007..9, but at pH 5.2 reduced utilization occurs while production is maintained, resulting in lactate accumulation... - Availability of blueberry phenolics for microbial metabolism in the colon and the potential inflammatory implicationsWendy R Russell
Molecular Nutrition Group, Rowett Research Institute, Aberdeen, UK
Mol Nutr Food Res 51:726-31. 2007..Studies addressing a wide-range of well-characterised human volunteers will be required before such health claims can be fully established... - Interactions and competition within the microbial community of the human colon: links between diet and healthHarry J Flint
Microbial Ecology Group, Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen AB219SB, UK
Environ Microbiol 9:1101-11. 2007..Oligosaccharides used as dietary prebiotics must inevitably have complex effects upon the bacterial community that include non-target organisms and the consequences of metabolic cross-feeding and changes in the gut environment... - Oxalobacter formigenes and its potential role in human healthSylvia H Duncan
Gut Microbiology and Immunology Division, Rowett Research Institute, Bucksburn, Aberdeen AB21 9SB, United Kingdom
Appl Environ Microbiol 68:3841-7. 2002.... - The microbiology of butyrate formation in the human colonSusan E Pryde
Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen AB21 9SB, UK
FEMS Microbiol Lett 217:133-9. 2002.... - Selective colonization of insoluble substrates by human faecal bacteriaE Carol McWilliam Leitch
Microbial Ecology Group, Aberdeen, UK
Environ Microbiol 9:667-79. 2007..This study suggests that a specific subset of bacteria is likely to be the primary colonizers of particular insoluble colonic substrates. For a given substrate, however, the primary colonizing species may vary between host individuals... - Reduced dietary intake of carbohydrates by obese subjects results in decreased concentrations of butyrate and butyrate-producing bacteria in fecesSylvia H Duncan
Microbial Ecology Group, Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen AB21 9SB, UK
Appl Environ Microbiol 73:1073-8. 2007..1%, and 1.9%, respectively; P = 0.026) decreased as carbohydrate intake decreased. The abundance of butyrate-producing bacteria related to Roseburia spp. and E. rectale correlated well with the decline in fecal butyrate... - Proposal of Roseburia faecis sp. nov., Roseburia hominis sp. nov. and Roseburia inulinivorans sp. nov., based on isolates from human faecesSylvia H Duncan
Gut Health Division, Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen AB21 9SB, UK
Int J Syst Evol Microbiol 56:2437-41. 2006..nov. (type strain A2-183(T)=DSM 16839(T)=NCIMB 14029(T)), Roseburia inulinivorans sp. nov. (type strain A2-194(T)=DSM 16841(T)=NCIMB 14030(T)) and Roseburia faecis sp. nov. (type strain M72/1(T)=DSM 16840(T)=NCIMB 14031(T))... - Oxalobacter formigenes and its role in oxalate metabolism in the human gutColin S Stewart
Division of Gut Microbiology and Immunology, Rowett Research Institute, Bucksburn, Aberdeen, UK
FEMS Microbiol Lett 230:1-7. 2004..formigenes, that are able to degrade toxic compounds in the gut, may, in future, find application for therapeutic use, with substantial benefit for human health and well-being... - Contribution of acetate to butyrate formation by human faecal bacteriaSylvia H Duncan
Gut Microbiology and Immunology Division, Rowett Research Institute, Aberdeen, UK
Br J Nutr 91:915-23. 2004..Variations in the dominant metabolic type of butyrate producer between individuals or with variations in diet are not ruled out, however, and could influence butyrate supply in the large intestine... - Effects of alternative dietary substrates on competition between human colonic bacteria in an anaerobic fermentor systemSylvia H Duncan
Gut Microbiology and Immunology Division, Rowett Research Institute, Bucksburn, Aberdeen AB21 9SB, United Kingdom
Appl Environ Microbiol 69:1136-42. 2003..Thus, considerable caution is necessary when workers attempt to predict the in vivo effects of probiotics and prebiotics from their effects in vitro... - pH and peptide supply can radically alter bacterial populations and short-chain fatty acid ratios within microbial communities from the human colonAlan W Walker
Microbial Genetics Group, Rowett Research Institute, Greenburn Rd, Bucksburn, Aberdeen AB21 9SB, United Kingdom
Appl Environ Microbiol 71:3692-700. 2005.... - Two routes of metabolic cross-feeding between Bifidobacterium adolescentis and butyrate-producing anaerobes from the human gutAlvaro Belenguer
Microbial Ecology Group, Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen AB21 9SB, United Kingdom
Appl Environ Microbiol 72:3593-9. 2006..adolescentis and butyrate-forming bacteria may operate in gut ecosystems, one due to consumption of fermentation end products (lactate and acetate) and the other due to cross-feeding of partial breakdown products from complex substrates... - Molecular diversity, cultivation, and improved detection by fluorescent in situ hybridization of a dominant group of human gut bacteria related to Roseburia spp. or Eubacterium rectaleRustam I Aminov
Gut Health Division, Rowett Research Institute, Greenburn Road, Bucksburn, Aberdeen AB21 9SB, United Kingdom
Appl Environ Microbiol 72:6371-6. 2006..Most of the diversity within this important group of butyrate-producing gut bacteria can apparently be retrieved through cultivation... - Application of 16S rRNA gene-targetted fluorescence in situ hybridization and restriction fragment length polymorphism to study porcine microbiota along the gastrointestinal tract in response to different sources of dietary fibreMarisol Castillo
Departament de Ciencia Animal i dels Aliments, Universitat Autonoma de Barcelona, Barcelona, Spain
FEMS Microbiol Ecol 59:138-46. 2007..Restriction fragment length polymorphism profiles showed changes related to diet, with pigs fed wheat bran having the lowest richness of all diets (P=0.008)... - Lactate-utilizing bacteria, isolated from human feces, that produce butyrate as a major fermentation productSylvia H Duncan
Microbial Genetics Group, Rowett Research Institute, Greenburn Rd, Bucksburn, Aberdeen AB21 9SB, UK
Appl Environ Microbiol 70:5810-7. 2004..The abundance of E. hallii in particular in the colonic ecosystem suggests that these bacteria play important roles in preventing lactate accumulation... - Metabolism of linoleic acid by human gut bacteria: different routes for biosynthesis of conjugated linoleic acidEstelle Devillard
Rowett Research Institute, Bucksburn, Aberdeen, AB21 9SB, United Kingdom
J Bacteriol 189:2566-70. 2007..formed either vaccenic acid (trans-11-18:1) or a 10-hydroxy-18:1; these compounds are precursors of the health-promoting conjugated linoleic acid cis-9,trans-11-18:2 in human tissues and the intestine, respectively...