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John Wallace

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TOP 3
Anthony J Richardson; Nest McKain; R John Wallace
Ammonia production by human faecal bacteria, and the enumeration, isolation and characterization of bacteria capable of growth on peptides and amino acids.
Dinesh Thapa; Riccardo Losa; Béatrice Zweifel; R John Wallace
Sensitivity of pathogenic and commensal bacteria from the human colon to essential oils.
Kevin J Shingfield; Vesa Toivonen; Aila Vanhatalo; Seppo Ahvenjärvi; Anu Arölä; J Mikko Griinari; Pekka Huhtanen; Piia Kairenius; Stefan Muetzel; Delphine Paillard; R John Wallace
Dietary fish oil supplements modify ruminal biohydrogenation, alter the flow of fatty acids at the omasum, and induce changes in the ruminal Butyrivibrio population in lactating cows.

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All Publications

2013: Anthony J Richardson; Nest McKain; R John Wallace
Ammonia production by human faecal bacteria, and the enumeration, isolation and characterization of bacteria capable of growth on peptides and amino acids.
BMC microbiology 2013;13():6.
2012: Dinesh Thapa; Riccardo Losa; Béatrice Zweifel; R John Wallace
Sensitivity of pathogenic and commensal bacteria from the human colon to essential oils.
Microbiology (Reading, England) 2012;158(Pt 11):2870-7.
2012: Kevin J Shingfield; Vesa Toivonen; Aila Vanhatalo; Seppo Ahvenjärvi; Anu Arölä; J Mikko Griinari; Pekka Huhtanen; Piia Kairenius; Stefan Muetzel; Delphine Paillard; R John Wallace
Dietary fish oil supplements modify ruminal biohydrogenation, alter the flow of fatty acids at the omasum, and induce changes in the ruminal Butyrivibrio population in lactating cows.
The Journal of nutrition 2012;142(8):1437-48.
2011: Sharon A Huws; Eun J Kim; Michael R F Lee; Mark B Scott; John K S Tweed; Eric Pinloche; R John Wallace; Nigel D Scollan
As yet uncultured bacteria phylogenetically classified as Prevotella, Lachnospiraceae incertae sedis and unclassified Bacteroidales, Clostridiales and Ruminococcaceae may play a predominant role in ruminal biohydrogenation.
Environmental microbiology 2011;13(6):1500-12.
2011: Silvia W Gratz; R John Wallace; Hani S El-Nezami
Recent Perspectives on the Relations between Fecal Mutagenicity, Genotoxicity, and Diet.
Frontiers in pharmacology 2011;2():4.
2010: Sharon A Huws; Michael R F Lee; Stefan M Muetzel; Mark B Scott; R John Wallace; Nigel D Scollan
Forage type and fish oil cause shifts in rumen bacterial diversity.
FEMS microbiology ecology 2010;73(2):396-407.
2009: Sharon A Huws; Eun J Kim; Alison H Kingston-Smith; Michael R F Lee; Stefan M Muetzel; Alan R Cookson; C James Newbold; R John Wallace; Nigel D Scollan
Rumen protozoa are rich in polyunsaturated fatty acids due to the ingestion of chloroplasts.
FEMS microbiology ecology 2009;69(3):461-71.
2009: Estelle Devillard; Freda M McIntosh; Delphine Paillard; Nadine A Thomas; Kevin J Shingfield; R John Wallace
Differences between human subjects in the composition of the faecal bacterial community and faecal metabolism of linoleic acid.
Microbiology (Reading, England) 2009;155(Pt 2):513-20.
2009: Freda M McIntosh; Kevin J Shingfield; Estelle Devillard; Wendy Russell; R John Wallace
Mechanism of conjugated linoleic acid and vaccenic acid formation in human faecal suspensions and pure cultures of intestinal bacteria.
Microbiology (Reading, England) 2009;155(Pt 1):285-94.
2008: Joan E Edwards; Neil R McEwan; R John Wallace
Adaptation to flavomycin in the ruminal bacterium, Prevotella bryantii.
Journal of applied microbiology 2008;104(6):1617-23.
2007: S M Duval; Neil R McEwan; R C Graham; R John Wallace; C James Newbold
Effect of a blend of essential oil compounds on the colonization of starch-rich substrates by bacteria in the rumen.
Journal of applied microbiology 2007;103(6):2132-41.
2007: Delphine Paillard; Nest McKain; M T Rincon; Kevin J Shingfield; D I Givens; R John Wallace
Quantification of ruminal Clostridium proteoclasticum by real-time PCR using a molecular beacon approach.
Journal of applied microbiology 2007;103(4):1251-61.
2007: A Y Guliye; R John Wallace
Effects of aromatic amino acids, phenylacetate and phenylpropionate on fermentation of xylan by the rumen anaerobic fungi, Neocallimastix frontalis and Piromyces communis.
Journal of applied microbiology 2007;103(4):924-9.
2007: R John Wallace; Nest McKain; Kevin J Shingfield; Estelle Devillard
Isomers of conjugated linoleic acids are synthesized via different mechanisms in ruminal digesta and bacteria.
Journal of lipid research 2007;48(10):2247-54.
2007: Delphine Paillard; Nest McKain; Lal C Chaudhary; Nicola D Walker; Florian Pizette; Ingrid Koppova; Neil R McEwan; Jan Kopecný; Philip E Vercoe; Petra Louis; R John Wallace
Relation between phylogenetic position, lipid metabolism and butyrate production by different Butyrivibrio-like bacteria from the rumen.
Antonie van Leeuwenhoek 2007;91(4):417-22.
2007: Margarida R G Maia; Lal C Chaudhary; Lauren Figueres; R John Wallace
Metabolism of polyunsaturated fatty acids and their toxicity to the microflora of the rumen.
Antonie van Leeuwenhoek 2007;91(4):303-14.
2007: Estelle Devillard; Freda M McIntosh; Sylvia H Duncan; R John Wallace
Metabolism of linoleic acid by human gut bacteria: different routes for biosynthesis of conjugated linoleic acid.
Journal of bacteriology 2007;189(6):2566-70.
2006: Estelle Devillard; Freda M McIntosh; C James Newbold; R John Wallace
Rumen ciliate protozoa contain high concentrations of conjugated linoleic acids and vaccenic acid, yet do not hydrogenate linoleic acid or desaturate stearic acid.
The British journal of nutrition 2006;96(4):697-704.
2006: I Wasowska; M R G Maia; K M Niedźwiedzka; M Czauderna; J M C Ramalho Ribeiro; Estelle Devillard; Kevin J Shingfield; R John Wallace
Influence of fish oil on ruminal biohydrogenation of C18 unsaturated fatty acids.
The British journal of nutrition 2006;95(6):1199-211.
2005: Joan E Edwards; Brian J Bequette; Nest McKain; Neil R McEwan; R John Wallace
Influence of flavomycin on microbial numbers, microbial metabolism and gut tissue protein turnover in the digestive tract of sheep.
The British journal of nutrition 2005;94(1):64-70.
2005: C James Newbold; Neil R McEwan; Roger E Calza; Emilie N Chareyron; Stéphane M Duval; Sylvain C P Eschenlauer; Freda M McIntosh; Nancy Nelson; Anthony J Travis; R John Wallace
An NAD(+)-dependent glutamate dehydrogenase cloned from the ruminal ciliate protozoan, Entodinium caudatum.
FEMS microbiology letters 2005;247(2):113-21.
2005: Joan E Edwards; Neil R McEwan; Nest McKain; Nicola Walker; R John Wallace
Influence of flavomycin on ruminal fermentation and microbial populations in sheep.
Microbiology (Reading, England) 2005;151(Pt 3):717-25.
2005: Nicola D Walker; Neil R McEwan; R John Wallace
A pepD-like peptidase from the ruminal bacterium, Prevotella albensis.
FEMS microbiology letters 2005;243(2):399-404.
2005: R John Wallace
REPLACE: a European project on plants, their extracts and other natural alternatives to antimicrobials in animal feeds.
Euro surveillance : bulletin Européen sur les maladies transmissibles = European communicable disease bulletin 2005;10(3):E050303.5.
2004: R John Wallace; Lal C Chaudhary; Eiichi Miyagawa; Nest McKain; Nicola D Walker
Metabolic properties of Eubacterium pyruvativorans, a ruminal 'hyper-ammonia-producing' anaerobe with metabolic properties analogous to those of Clostridium kluyveri.
Microbiology (Reading, England) 2004;150(Pt 9):2921-30.
2004: Hongrong Wang; Nest McKain; Nicola D Walker; R John Wallace
Influence of dipeptidyl peptidase inhibitors on growth, peptidase activity, and ammonia production by ruminal microorganisms.
Current microbiology 2004;49(2):115-22.
2004: Cengiz Atasoglu; A Y Guliye; R John Wallace
Use of stable isotopes to measure de novo synthesis and turnover of amino acid-C and -N in mixed micro-organisms from the sheep rumen in vitro.
The British journal of nutrition 2004;91(2):253-62.
2003: Nicola D Walker; Neil R McEwan; R John Wallace
Cloning and functional expression of dipeptidyl peptidase IV from the ruminal bacterium Prevotella albensis M384(T).
Microbiology (Reading, England) 2003;149(Pt 8):2227-34.
2003: Freda M McIntosh; P Williams; R Losa; R John Wallace; D A Beever; C James Newbold
Effects of essential oils on ruminal microorganisms and their protein metabolism.
Applied and environmental microbiology 2003;69(8):5011-4.
2003: Estelle Devillard; Christel Bera-Maillet; Harry J Flint; Karen P Scott; C James Newbold; R John Wallace; Jean-Pierre Jouany; Evelyne Forano
Characterization of XYN10B, a modular xylanase from the ruminal protozoan Polyplastron multivesiculatum, with a family 22 carbohydrate-binding module that binds to cellulose.
The Biochemical journal 2003;373(Pt 2):495-503.
2003: R John Wallace; Nest McKain; Neil R McEwan; E Miyagawa; Lal C Chaudhary; T P King; Nicola D Walker; J H A Apajalahti; C James Newbold
Eubacterium pyruvativorans sp. nov., a novel non-saccharolytic anaerobe from the rumen that ferments pyruvate and amino acids, forms caproate and utilizes acetate and propionate.
International journal of systematic and evolutionary microbiology 2003;53(Pt 4):965-70.
2002: Sylvain C P Eschenlauer; Nest McKain; Nicola D Walker; Neil R McEwan; C James Newbold; R John Wallace
Ammonia production by ruminal microorganisms and enumeration, isolation, and characterization of bacteria capable of growth on peptides and amino acids from the sheep rumen.
Applied and environmental microbiology 2002;68(10):4925-31.
2002: Cengiz Atasoglu; R John Wallace
De novo synthesis of amino acids by the ruminal anaerobic fungi, Piromyces communis and Neocallimastix frontalis.
FEMS microbiology letters 2002;212(2):243-7.
2002: Juan P Russi; R John Wallace; C James Newbold
Influence of the pattern of peptide supply on microbial activity in the rumen simulating fermenter (RUSITEC).
The British journal of nutrition 2002;88(1):73-80.
2001: R John Wallace; G F Hartnell
Technical note: methods for detecting liquid enzyme additives added to animal feeds.
Journal of animal science 2001;79(10):2731-5.
2001: R John Wallace; S J Wallace; Nest McKain; V L Nsereko; G F Hartnell
Influence of supplementary fibrolytic enzymes on the fermentation of corn and grass silages by mixed ruminal microorganisms in vitro.
Journal of animal science 2001;79(7):1905-16.
2001: Cengiz Atasoglu; C James Newbold; R John Wallace
Incorporation of [(15)N] ammonia by the cellulolytic ruminal bacteria Fibrobacter succinogenes BL2, Ruminococcus albus SY3, and Ruminococcus flavefaciens 17.
Applied and environmental microbiology 2001;67(6):2819-22.
2000: Neil R McEwan; Sylvain C P Eschenlauer; Roger E Calza; R John Wallace; C James Newbold
The 3' untranslated region of messages in the rumen protozoan Entodinium caudatum.
Protist 2000;151(2):139-46.
2000: R John Wallace; S J Wallace; Nest McKain
Proteolytic activity of ruminal digesta during the feeding cycle in sheep receiving grass hay/concentrate or maize silage/concentrate diets.
Letters in applied microbiology 2000;30(4):317-9.
1999: Estelle Devillard; C James Newbold; Karen P Scott; Evelyne Forano; R John Wallace; Jean-Pierre Jouany; Harry J Flint
A xylanase produced by the rumen anaerobic protozoan Polyplastron multivesiculatum shows close sequence similarity to family 11 xylanases from gram-positive bacteria.
FEMS microbiology letters 1999;181(1):145-52.
1999: Neil R McEwan; Sylvain C P Eschenlauer; Roger E Calza; R John Wallace; C James Newbold
Protozoal sequences may reveal additional isoforms of the 14-3-3 protein family.
Protist 1999;150(3):257-64.
1999: Nicola D Walker; Neil R McEwan; R John Wallace
Overlapping sequences with high homology to functional proteins coexist on complementary strands of DNA in the rumen bacterium Prevotella albensis.
Biochemical and biophysical research communications 1999;263(1):58-62.
1999: F Floret; Lal C Chaudhary; W C Ellis; S El Hassan; Nest McKain; C James Newbold; R John Wallace
Influence of 1-[(E)-2-(2-methyl-4-nitrophenyl)diaz-1-enyl]pyrrolidine-2-carboxylic acid and diphenyliodonium chloride on ruminal protein metabolism and ruminal microorganisms.
Applied and environmental microbiology 1999;65(7):3258-60.
1999: Cengiz Atasoglu; C Valdés; C James Newbold; R John Wallace
Influence of peptides and amino acids on fermentation rate and de novo synthesis of amino acids by mixed micro-organisms from the sheep rumen.
The British journal of nutrition 1999;81(4):307-14.
1999: S López; C Valdés; C James Newbold; R John Wallace
Influence of sodium fumarate addition on rumen fermentation in vitro.
The British journal of nutrition 1999;81(1):59-64.
1998: Sylvain C P Eschenlauer; Neil R McEwan; Roger E Calza; R John Wallace; R Onodera; C James Newbold
Phylogenetic position and codon usage of two centrin genes from the rumen ciliate protozoan, Entodinium caudatum.
FEMS microbiology letters 1998;166(1):147-54.
1998: Cengiz Atasoglu; C Valdés; Nicola D Walker; C James Newbold; R John Wallace
De novo synthesis of amino acids by the ruminal bacteria Prevotella bryantii B14, Selenomonas ruminantium HD4, and Streptococcus bovis ES1.
Applied and environmental microbiology 1998;64(8):2836-43.
1998: R John Wallace; W K Min; M W Witt; George Grant; JC MacRae; W J Maeng; C James Newbold; LM Rode
Uptake of acetylated peptides from the small intestine in sheep and their nutritive value in rats.
The British journal of nutrition 1998;80(1):101-8.
1998: M W Witt; C James Newbold; R John Wallace
Influence of dietary acetylated peptides on fermentation and peptidase activities in the sheep rumen.
Journal of applied microbiology 1998;84(5):847-51.
1998: M L Falconer; R John Wallace
Variation in proteinase activities in the rumen.
Journal of applied microbiology 1998;84(3):377-82.
1997: R John Wallace; Nest McKain
Peptidase activity of human colonic bacteria.
Anaerobe 1997;3(4):251-7.
1997: C James Newbold; S M el Hassan; J Wang; M E Ortega; R John Wallace
Influence of foliage from African multipurpose trees on activity of rumen protozoa and bacteria.
The British journal of nutrition 1997;78(2):237-49.
1997: R John Wallace; Nest McKain; G A Broderick; LM Rode; Nicola D Walker; C James Newbold; J Kopecny
Peptidases of the rumen bacterium, Prevotella ruminicola.
Anaerobe 1997;3(1):35-42.
1996: C James Newbold; R John Wallace; F M McIntosh
Mode of action of the yeast Saccharomyces cerevisiae as a feed additive for ruminants.
The British journal of nutrition 1996;76(2):249-61.
1996: R John Wallace; Nest McKain
Influence of 1,10-phenanthroline and its analogues, other chelators and transition metal ions on dipeptidase activity of the rumen bacterium, Prevotella ruminicola.
The Journal of applied bacteriology 1996;81(1):42-7.
1996: R John Wallace; C James Newbold; Nest McKain
Inhibition by 1,10-phenanthroline of the breakdown of peptides by rumen bacteria and protozoa.
The Journal of applied bacteriology 1996;80(4):425-30.
1996: R John Wallace
Ruminal microbial metabolism of peptides and amino acids.
The Journal of nutrition 1996;126(4 Suppl):1326S-34S.
1995: R John Wallace; J Kopecny; G A Broderick; Nicola D Walker; L Sichao; C James Newbold; Nest McKain
Cleavage of di- and tripeptides by Prevotella ruminicola.
Anaerobe 1995;1(6):335-43.
1995: C James Newbold; R John Wallace; XB Chen; F M McIntosh
Different strains of Saccharomyces cerevisiae differ in their effects on ruminal bacterial numbers in vitro and in sheep.
Journal of animal science 1995;73(6):1811-8.
1994: R John Wallace
Ruminal microbiology, biotechnology, and ruminant nutrition: progress and problems.
Journal of animal science 1994;72(11):2992-3003.
1994: R John Wallace; L Arthaud; C James Newbold
Influence of Yucca shidigera extract on ruminal ammonia concentrations and ruminal microorganisms.
Applied and environmental microbiology 1994;60(6):1762-7.
1993: R John Wallace; P P Frumholtz; Nicola D Walker
Breakdown of N-terminally modified peptides and an isopeptide by rumen microorganisms.
Applied and environmental microbiology 1993;59(9):3147-9.
1993: C James Newbold; R John Wallace; Nicola D Walker
The effect of tetronasin and monensin on fermentation, microbial numbers and the development of ionophore-resistant bacteria in the rumen.
The Journal of applied bacteriology 1993;75(2):129-34.
1993: R John Wallace; Nest McKain; G A Broderick
Breakdown of different peptides by Prevotella (Bacteroides) ruminicola and mixed microorganisms from the sheep rumen.
Current microbiology 1993;26(6):333-6.
1993: R John Wallace; Nicola D Walker
Isolation and attempted introduction of sugar alcohol-utilizing bacteria in the sheep rumen.
The Journal of applied bacteriology 1993;74(4):353-9.
1992: R John Wallace
Rumen microbiology, biotechnology and ruminant nutrition: the application of research findings to a complex microbial ecosystem.
FEMS microbiology letters 1992;79(1-3):529-34.
1992: R John Wallace
Acetylation of peptides inhibits their degradation by rumen micro-organisms.
The British journal of nutrition 1992;68(2):365-72.
1992: Nest McKain; R John Wallace; N D Watt
Selective isolation of bacteria with dipeptidyl aminopeptidase type I activity from the sheep rumen.
FEMS microbiology letters 1992;74(2-3):169-73.
1992: C James Newbold; R John Wallace; N D Watt
Properties of ionophore-resistant Bacteroides ruminicola enriched by cultivation in the presence of tetronasin.
The Journal of applied bacteriology 1992;72(1):65-70.
1991: R John Wallace; Nest McKain
A survey of peptidase activity in rumen bacteria.
Journal of general microbiology 1991;137(9):2259-64.
1990: S Bhat; R John Wallace; ER Orskov
Adhesion of cellulolytic ruminal bacteria to barley straw.
Applied and environmental microbiology 1990;56(9):2698-703.
1990: C James Newbold; R John Wallace; Nest McKain
Effects of the ionophore tetronasin on nitrogen metabolism by ruminal microorganisms in vitro.
Journal of animal science 1990;68(4):1103-9.
1988: C James Newbold; R John Wallace; N D Watt; A J Richardson
Effect of the novel ionophore tetronasin (ICI 139603) on ruminal microorganisms.
Applied and environmental microbiology 1988;54(2):544-7.
1987: R John Wallace; C A McPherson
Factors affecting the rate of breakdown of bacterial protein in rumen fluid.
The British journal of nutrition 1987;58(2):313-23.
1986: R John Wallace
Catabolism of Amino Acids by Megasphaera elsdenii LC1.
Applied and environmental microbiology 1986;51(5):1141-3.
1983: R John Wallace; J Kopecny
Breakdown of diazotized proteins and synthetic substrates by rumen bacterial proteases.
Applied and environmental microbiology 1983;45(1):212-7.
1982: Andrew Chesson; Colin S Stewart; R John Wallace
Influence of plant phenolic acids on growth and cellulolytic activity of rumen bacteria.
Applied and environmental microbiology 1982;44(3):597-603.
1982: J Kopecny; R John Wallace
Cellular location and some properties of proteolytic enzymes of rumen bacteria.
Applied and environmental microbiology 1982;43(5):1026-33.
1980: M E Barr; S O Mann; A J Richardson; Colin S Stewart; R John Wallace
Establishment of ureolytic staphylococci in the rumen of gnotobiotic lambs.
The Journal of applied bacteriology 1980;49(2):325-30.