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Alan G. Williams · SciRah

Researcher profile · Semantic Scholar

Alan G. Williams

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Alan G. Williams — researcher profile on SciRah

h-index: 36
Works: 104
Citations: 4,602

Most-cited papers

The Rumen Protozoa
Alan G. Williams, G. Coleman
1992Brock/Springer Series in Contemporary Bioscience1,021 citations
Semantic Scholar
Some rumen ciliates have endosymbiotic methanogens.
B. J. Finlay, G. Esteban, Ken J. Clarke, Alan G. Williams +2 more
1994FEMS Microbiology Letters374 citations Open access
Semantic Scholar
Proteolytic and other hydrolytic enzyme activities in non-starter lactic acid bacteria (NSLAB) isolated from cheddar cheese manufactured in the United Kingdom
Alan G. Williams, J. Banks
1997163 citations
Semantic Scholar
PREMATURE LEAF ABSCISSION: AN INDUCED PLANT DEFENSE AGAINST GALL APHIDS'
Alan G. Williams, T. Whitham
1986145 citations
Semantic Scholar
Hydrogenosomes in the rumen protozoon Dasytricha ruminantium Schuberg.
N. Yarlett, A. C. Hann, David Lloyd, Alan G. Williams
1981Biochemical Journal138 citations Open access
Semantic Scholar
Glucomannan-Mediated Attachment of Rhizobium leguminosarum to Pea Root Hairs Is Required for Competitive Nodule Infection
Alan G. Williams, A. Wilkinson, M. Krehenbrink, D. Russo +2 more
2008Journal of Bacteriology130 citations Open access
Semantic Scholar
Proteins Exported via the PrsD-PrsE Type I Secretion System and the Acidic Exopolysaccharide Are Involved in Biofilm Formation by Rhizobium leguminosarum
D. Russo, Alan G. Williams, A. Edwards, Diana M. Posadas +4 more
2006Journal of Bacteriology125 citations Open access
Semantic Scholar
Efficacy of Various Pasteurization Time-Temperature Conditions in Combination with Homogenization on Inactivation of Mycobacterium avium subsp. paratuberculosis in Milk
Irene R. Grant, Alan G. Williams, M. Rowe, D. Muir
2005Applied and Environmental Microbiology118 citations Open access
Semantic Scholar
Energy sources of non-starter lactic acid bacteria isolated from Cheddar cheese.
Alan G. Williams, S. E. Withers, J. Banks
200099 citations
Semantic Scholar
Enhancement of amino acid catabolism in Cheddar cheese using α-ketoglutarate: amino acid degradation in relation to volatile compounds and aroma character
J. Banks, M. Yvon, J. Gripon, M. Á. de la Fuente +3 more
200188 citations
Semantic Scholar
Hydrogenosomes in known species of rumen entodiniomorphid protozoa
N. Yarlett, G. Coleman, Alan G. Williams, D. Lloyd
198488 citations
Semantic Scholar
Catabolism of amino acids by lactic acid bacteria isolated from Cheddar cheese
Alan G. Williams, Jason Noble, J. Banks
200184 citations
Semantic Scholar
The presence of oxygen in rumen liquor and its effects on methanogenesis
R. I. Scott, N. Yarlett, K. Hillman, Alan G. Williams +2 more
198383 citations
Semantic Scholar
The in-vitro metabolism of D, L-lactic acid by rumen microorganisms
C. Newbold, Alan G. Williams, D. G. Chamberlain
198780 citations
Semantic Scholar
The role of the nonstarter lactic acid bacteria in Cheddar cheese ripening
J. Banks, Alan G. Williams
200477 citations
Semantic Scholar
Discrimination among Bacillus cereus, B. mycoides and B. thuringiensis and some other species of the genus Bacillus by Fourier transform infrared spectroscopy.
S. H. Beattie, C. Holt, D. Hirst, Alan G. Williams
1998FEMS Microbiology Letters73 citations
Semantic Scholar
Hydrogenosomes in a mixed isolate of Isotricha prostoma and Isotricha intestinalis from ovine rumen contents.
N. Yarlett, A. C. Hann, David Lloyd, Alan G. Williams
1983Comparative biochemistry and physiology. B, Comparative biochemistry68 citations
Semantic Scholar
Respiration of the rumen ciliate Dasytricha ruminantium Schuberg.
N. Yarlett, David Lloyd, Alan G. Williams
1982Biochemical Journal62 citations Open access
Semantic Scholar
Amino acid fermentation in non‐starter Lactobacillus spp. isolated from Cheddar cheese
J. D. Tammam, Alan G. Williams, J. Noble, D. Lloyd
2000Letters in Applied Microbiology59 citations
Semantic Scholar
Intracellular prokaryotes in rumen ciliate protozoa: Detection by confocal laser scanning microscopy after in situ hybridization with fluorescent 16S rRNA probes
D. Lloyd, Alan G. Williams, R. Amann, A. Hayes +2 more
199657 citations
Semantic Scholar
Hydrogen production by rumen holotrich protozoa: effects of oxygen and implications for metabolic control by in situ conditions.
D. Lloyd, K. Hillman, N. Yarlett, Alan G. Williams
1989The Journal of Protozoology57 citations
Semantic Scholar
Factors affecting the activity of enzymes involved in peptide and amino acid catabolism in non-starter lactic acid bacteria isolated from Cheddar cheese
Alan G. Williams, J. Noble, J. Tammam, D. Lloyd +1 more
200255 citations
Semantic Scholar
Oxygen affinities of the hydrogenosome-containing protozoa Tritrichomonas foetus and Dasytricha ruminantium, and two aerobic protozoa, determined by bacterial bioluminescence.
David Lloyd, J. Williams, N. Yarlett, Alan G. Williams
1982Journal of General Microbiology55 citations Open access
Semantic Scholar
Mutation of praR in Rhizobium leguminosarum enhances root biofilms, improving nodulation competitiveness by increased expression of attachment proteins
M. Frederix, A. Edwards, A. Świderska, A. Stanger +6 more
2014Molecular Microbiology52 citations Open access
Semantic Scholar
The production of plant cell wall polysaccharide‐degrading enzymes by hemicellulolytic rumen bacterial isolates grown on a range of carbohydrate substrates
Alan G. Williams, S. E. Withers
198249 citations
Semantic Scholar
A plant arabinogalactan-like glycoprotein promotes a novel type of polar surface attachment by Rhizobium leguminosarum.
Fang Xie, Alan G. Williams, A. Edwards, J. A. Downie
2012Molecular Plant-Microbe Interactions47 citations Open access
Semantic Scholar
Effect of ciliate protozoa on the activity of polysaccharide-degrading enzymes and fibre breakdown in the rumen ecosystem.
Alan G. Williams, S. E. Withers
1991Journal of Applied Bacteriology47 citations
Semantic Scholar
Variability of the species and strain phenotype composition of the non-starter lactic acid bacterial population of cheddar cheese manufactured in a commercial creamery
Alan G. Williams, Seungchul Choi, J. Banks
200243 citations
Semantic Scholar
The potential of bacteria isolated from ruminal contents of seaweed-eating North Ronaldsay sheep to hydrolyse seaweed components and produce methane by anaerobic digestion in vitro
Alan G. Williams, S. E. Withers, A. D. Sutherland
2012Microbial Biotechnology42 citations Open access
Semantic Scholar
Microbiological characterisation of artisanal farmhouse cheeses manufactured in Scotland.
Alan G. Williams, S. E. Withers
201042 citations
Semantic Scholar
The effect of the carbohydrate growth substrate on the glycosidase activity of hemicellulose‐degrading rumen bacterial isolates
Alan G. Williams, S. E. Withers
198241 citations
Semantic Scholar
Aminopeptidase and Dipeptidyl Peptidase Activity of Lactobacillus spp. and Non-starter Lactic Acid Bacteria (NSLAB) isolated from Cheddar Cheese
Alan G. Williams, X. Felipe, J. Banks
199840 citations
Semantic Scholar
The effects of defaunation on the metabolism of lactic acid in the rumen
C. Newbold, D. G. Chamberlain, Alan G. Williams
198640 citations
Semantic Scholar
Hemicellulose-degrading enzymes in rumen ciliate protozoa
Alan G. Williams, G. Coleman
1985Current Microbiology39 citations
Semantic Scholar
Influence of CO2 and low concentrations of O2 on fermentative metabolism of the ruminal ciliate Polyplastron multivesiculatum
J. Ellis, P. McIntyre, Mohammed I. Saleh, Alan G. Williams +1 more
1991Applied and Environmental Microbiology38 citations Open access
Semantic Scholar
Butyrate formation from glucose by the rumen protozoon Dasytricha ruminantium.
N. Yarlett, David Lloyd, Alan G. Williams
1985Biochemical Journal38 citations Open access
Semantic Scholar
Interactions between the methanogen Methanosarcina barkeri and rumen holotrich ciliate protozoa
K. Hillman, D. Lloyd, Alan G. Williams
198835 citations
Semantic Scholar
A note on the effects of oxygen on hydrogen production by the rumen protozoon Dasytricha ruminantium Schuberg
N. Yarlett, R. I. Scott, Alan G. Williams, D. Lloyd
198335 citations
Semantic Scholar
Hemicellulose-degrading Enzymes Synthesized by Rumen Bacteria
Alan G. Williams, S. E. Withers
198133 citations
Semantic Scholar
Direct interface of chemistry to microbiological systems: membrane inlet mass spectrometry.
D. Lloyd, Katie L. Thomas, G. Cowie, J. Tammam +1 more
2002Journal of Microbiological Methods32 citations
Semantic Scholar
Use of a portable quadrupole mass spectrometer for the measurement of dissolved gas concentrations in ovine rumen liquor in situ
K. Hillman, D. Lloyd, Alan G. Williams
1985Current Microbiology32 citations
Semantic Scholar
Influence of CO2 and low concentrations of O2 on fermentative metabolism of the rumen ciliate Dasytricha ruminantium.
J. Ellis, P. McIntyre, Mohammed I. Saleh, Alan G. Williams +1 more
1991Journal of General Microbiology31 citations Open access
Semantic Scholar
Glutamate dehydrogenase activity in lactobacilli and the use of glutamate dehydrogenase‐producing adjunct Lactobacillus spp. cultures in the manufacture of cheddar cheese
Alan G. Williams, S. E. Withers, Elizabeth Y. Brechany, J. Banks
2006Journal of Applied Microbiology30 citations
Semantic Scholar
Growth and diarrhoeagenic enterotoxin formation by strains of Bacillus cereus in vitro in controlled fermentations and in situ in food products and a model food system
S. H. Beattie, Alan G. Williams
200226 citations
Semantic Scholar
Lipopolysaccharide O-Chain Core Region Required for Cellular Cohesion and Compaction of In Vitro and Root Biofilms Developed by Rhizobium leguminosarum
D. Russo, P. Abdian, Diana M. Posadas, Alan G. Williams +5 more
2014Applied and Environmental Microbiology25 citations Open access
Semantic Scholar
The distribution of polysaccharide-degrading enzymes in the bovine rumen digesta ecosystem
Alan G. Williams, N. H. Strachan
1984Current Microbiology25 citations
Semantic Scholar
Bacillus spp. in the rumen ecosystem. Hemicellulose depolymerases and glycoside hydrolases of Bacillus spp. and rumen isolates grown under anaerobic conditions
Alan G. Williams, S. E. Withers
198324 citations
Semantic Scholar
Studies on the production of saccharinic acids by the alkaline treatment of young grass and their effectiveness as substrates for mixed rumen microorganisms in vitro
Alan G. Williams, I. Morrison
198223 citations
Semantic Scholar
The effects of co-cultivation with the acetogen Acetitomaculum ruminis on the fermentative metabolism of the rumen fungi Neocallimastix patriciarum and Neocallimastix sp. strain L2.
E. Rees, D. Lloyd, Alan G. Williams
1995FEMS Microbiology Letters21 citations
Semantic Scholar
Glycoside hydrolases of rumen bacteria and protozoa
Alan G. Williams, S. E. Withers, G. Coleman
1984Current Microbiology21 citations
Semantic Scholar

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