G.T. Macfarlane

29.6k total citations · 7 hit papers
162 papers, 22.7k citations indexed

About

G.T. Macfarlane is a scholar working on Molecular Biology, Food Science and Nutrition and Dietetics. According to data from OpenAlex, G.T. Macfarlane has authored 162 papers receiving a total of 22.7k indexed citations (citations by other indexed papers that have themselves been cited), including 94 papers in Molecular Biology, 70 papers in Food Science and 68 papers in Nutrition and Dietetics. Recurrent topics in G.T. Macfarlane's work include Gut microbiota and health (78 papers), Probiotics and Fermented Foods (66 papers) and Microbial Metabolites in Food Biotechnology (39 papers). G.T. Macfarlane is often cited by papers focused on Gut microbiota and health (78 papers), Probiotics and Fermented Foods (66 papers) and Microbial Metabolites in Food Biotechnology (39 papers). G.T. Macfarlane collaborates with scholars based in United Kingdom, France and United States. G.T. Macfarlane's co-authors include John H. Cummings, Sandra Macfarlane, Glenn R. Gibson, E. A. Smith, E W Pomare, C. P. E. Naylor, W J Branch, Hans N. Englyst, Mark Hopkins and C. Allison and has published in prestigious journals such as Gastroenterology, American Journal of Clinical Nutrition and Applied and Environmental Microbiology.

In The Last Decade

G.T. Macfarlane

160 papers receiving 21.6k citations

Hit Papers

5 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Short chain fatty acids in human large intestine, portal, hepatic and venous blood.

1987 2.4k citations John H. Cummings, E W Pomare et al. Gut profile →
Regulation of short-chain fatty acid production

2003 1.4k citations Sandra Macfarlane, G.T. Macfarlane profile →
The control and consequences of bacterial fermentation in the human colon

1991 1.2k citations John H. Cummings, G.T. Macfarlane Journal of Applied Bacteriology profile →
Bacteria, Colonic Fermentation, and Gastrointestinal Health

2012 730 citations G.T. Macfarlane, Sandra Macfarlane profile →
Characterization of Bacterial Communities in Feces from Healthy Elderly Volunteers and Hospitalized Elderly Patients by Using Real-Time PCR and Effects of Antibiotic Treatment on the Fecal Microbiota

2004 610 citations Alemu Fite, G.T. Macfarlane et al. profile →
Bacterial metabolism and health-related effects of galacto-oligosaccharides and other prebiotics

2007 595 citations G.T. Macfarlane, Helen Steed et al. profile →
Comparison of fermentation reactions in different regions of the human colon

1992 524 citations G.T. Macfarlane, Glenn R. Gibson et al. Journal of Applied Bacteriology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
G.T. Macfarlane United Kingdom	71	12.5k	6.9k	6.7k	4.5k	3.3k	162	22.7k
Francisco Guarner Spain	59	12.9k 1.0×	4.8k 0.7×	8.1k 1.2×	3.3k 0.7×	3.5k 1.1×	213	22.7k
Mary Ellen Sanders United States	56	15.0k 1.2×	7.5k 1.1×	13.4k 2.0×	3.7k 0.8×	2.6k 0.8×	159	25.6k
John H. Cummings United Kingdom	83	8.7k 0.7×	12.6k 1.8×	7.6k 1.1×	5.9k 1.3×	4.0k 1.2×	168	28.6k
Karen P. Scott United Kingdom	48	13.2k 1.1×	5.1k 0.7×	5.7k 0.8×	4.8k 1.1×	1.8k 0.6×	112	20.7k
Kristin Verbeke Belgium	69	14.1k 1.1×	5.0k 0.7×	4.6k 0.7×	6.6k 1.5×	2.8k 0.9×	295	26.5k
Petra Louis United Kingdom	54	17.8k 1.4×	5.2k 0.7×	5.8k 0.9×	6.7k 1.5×	2.3k 0.7×	101	24.4k
Sylvia H. Duncan United Kingdom	80	21.7k 1.7×	6.7k 1.0×	7.8k 1.2×	7.9k 1.7×	2.8k 0.9×	177	29.9k
Jens Walter Canada	74	16.7k 1.3×	5.9k 0.8×	8.3k 1.3×	5.3k 1.2×	2.3k 0.7×	203	25.2k
Erika Isolauri Finland	95	16.2k 1.3×	10.7k 1.5×	13.1k 2.0×	5.8k 1.3×	4.3k 1.3×	335	34.7k
Roberto Berni Canani Italy	60	8.4k 0.7×	4.4k 0.6×	6.2k 0.9×	3.3k 0.7×	2.2k 0.7×	269	18.7k

Countries citing papers authored by G.T. Macfarlane

Since Specialization

Citations

This map shows the geographic impact of G.T. Macfarlane's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by G.T. Macfarlane with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites G.T. Macfarlane more than expected).

Fields of papers citing papers by G.T. Macfarlane

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by G.T. Macfarlane. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by G.T. Macfarlane. The network helps show where G.T. Macfarlane may publish in the future.

Co-authorship network of co-authors of G.T. Macfarlane

This figure shows the co-authorship network connecting the top 25 collaborators of G.T. Macfarlane. A scholar is included among the top collaborators of G.T. Macfarlane based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with G.T. Macfarlane. G.T. Macfarlane is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Macfarlane, Sandra, Sonja Cleary, B. Bahrami, Nick J. Reynolds, & G.T. Macfarlane. (2013). Synbiotic consumption changes the metabolism and composition of the gut microbiota in older people and modifies inflammatory processes: a randomised, double-blind, placebo-controlled crossover study. Alimentary Pharmacology & Therapeutics. 38(7). 804–816. 108 indexed citations

Steed, Helen, G.T. Macfarlane, K. L. Blackett, et al.. (2010). Clinical trial: the microbiological and immunological effects of synbiotic consumption – a randomized double‐blind placebo‐controlled study in active Crohn’s disease. Alimentary Pharmacology & Therapeutics. 32(7). 872–883. 164 indexed citations

Macfarlane, Sandra, Elizabeth Furrie, G.T. Macfarlane, & John Dillon. (2007). Microbial Colonization of the Upper Gastrointestinal Tract in Patients with Barrett's Esophagus. Clinical Infectious Diseases. 45(1). 29–38. 125 indexed citations

Hopkins, Mark, G.T. Macfarlane, Elizabeth Furrie, Alemu Fite, & Sandra Macfarlane. (2005). Characterisation of intestinal bacteria in infant stools using real-time PCR and northern hybridisation analyses. FEMS Microbiology Ecology. 54(1). 77–85. 119 indexed citations

Cummings, John H., G.T. Macfarlane, & Sandra Macfarlane. (2003). Intestinal bacteria and ulcerative colitis.. PubMed. 4(1). 9–20. 130 indexed citations

Cummings, John H. & G.T. Macfarlane. (2002). Gastrointestinal effects of prebiotics. British Journal Of Nutrition. 87(6). 145–151. 228 indexed citations

Macfarlane, Sandra, John H. Cummings, & G.T. Macfarlane. (2000). Bacterial populations on the rectal mucosa in healthy and colitic subjects. Gastroenterology. 118(4). A101–A101. 3 indexed citations

Smith, E. A. & G.T. Macfarlane. (1997). Formation of Phenolic and Indolic Compounds by Anaerobic Bacteria in the Human Large Intestine. Microbial Ecology. 33(3). 180–188. 202 indexed citations

Macfarlane, Sandra & G.T. Macfarlane. (1997). Formation of a dipeptidyl arylamidase by Bacteroides splanchnicus NCTC 10825 with specificities towards glycylprolyl-x and valylalanine-x substrates. Journal of Medical Microbiology. 46(7). 547–555. 3 indexed citations

10.

Michel, Catherine & G.T. Macfarlane. (1996). Digestive fates of soluble polysaccharides from marine macroalgae: involvement of the colonic microflora and physiological consequences for the host. Journal of Applied Bacteriology. 80(4). 349–369. 68 indexed citations

11.

Macfarlane, G.T. & Glenn R. Gibson. (1995). Microbiological aspects of short chain fatty acid production in the large bowel. Neuroscience Letters. 147(2). 151–4. 26 indexed citations

12.

Gibson, Glenn R., Sandra Macfarlane, & G.T. Macfarlane. (1993). Metabolic interactions involving sulphate-reducing and methanogenic bacteria in the human large intestine. FEMS Microbiology Ecology. 12(2). 117–125. 86 indexed citations

13.

Macfarlane, G.T., et al.. (1991). Comparison of carbohydrate substrate preferences in eight species of bifidobacteria. FEMS Microbiology Letters. 84(2). 151–156. 31 indexed citations

14.

Gibson, Glenn R., John H. Cummings, & G.T. Macfarlane. (1991). Growth and activities of sulphate-reducing bacteria in gut contents of healthy subjects and patients with ulcerative colitis. FEMS Microbiology Letters. 86(2). 103–112. 255 indexed citations

15.

Gibson, Glenn R., John H. Cummings, G.T. Macfarlane, et al.. (1990). Alternative pathways for hydrogen disposal during fermentation in the human colon.. Gut. 31(6). 679–683. 192 indexed citations

16.

Macfarlane, G.T., Susan M. Hay, Sandra Macfarlane, & G. R. Gibson. (1990). Effect of different carbohydrates on growth, polysaccharidase and glycosidase production by Bacteroides ovatus , in batch and continuous culture. Journal of Applied Bacteriology. 68(2). 179–187. 96 indexed citations

17.

Macfarlane, G.T., Susan M. Hay, & Glenn R. Gibson. (1989). Influence of mucin on glycosidase, protease and arylamidase activities of human gut bacteria grown in a 3‐stage continuous culture system. Journal of Applied Bacteriology. 66(5). 407–417. 101 indexed citations

18.

Gibson, S. A. W. & G.T. Macfarlane. (1988). Characterization of Proteases Formed by Bacteroides fragilis. Microbiology. 134(8). 2231–2240. 33 indexed citations

19.

Cummings, John H., E W Pomare, W J Branch, C. P. E. Naylor, & G.T. Macfarlane. (1987). Short chain fatty acids in human large intestine, portal, hepatic and venous blood.. Gut. 28(10). 1221–1227. 2401 indexed citations breakdown →

20.

Macfarlane, G.T.. (1984). Comparative study of enrichment methods for the isolation of autotrophic nitrifying bacteria from soil, estuarine and marine sediments. FEMS Microbiology Letters. 22(2). 127–132. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact