World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
119
Citations
78836
World Ranking
149
National Ranking
16

Harry J. Flint publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Harry J. Flint sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 335 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Harry J. Flint D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Harry J. Flint sits on this spectrum.

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 94 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 119 D-Index — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Harry J. Flint is affiliated with the University of Aberdeen in the United Kingdom. Their research spans several interconnected fields with a focus on gut microbiota and associated metabolic processes.

The main fields of study covered by Flint include Biochemistry, Genetics and Molecular Biology, Medicine, and Agricultural and Biological Sciences. Within these broader areas, their work often addresses Molecular Biology, Physiology, Food Science, Nutrition and Dietetics, and Genetics as sub-disciplines.

Key topics of research for Flint encompass gut microbiota and health, diet and metabolism studies, probiotics and fermented foods, as well as specific bacterial research related to Clostridium difficile and Clostridium perfringens. Additional interests include nutritional studies and diet, microbial metabolites in food biotechnology, and microbial metabolic engineering and bioproduction.

Flint has published in several recurring venues, reflecting the thematic focus and interdisciplinary nature of their work. Frequent publication venues include Gut Microbiome, Environmental Microbiology, ESMO Open, mBio, and mSystems.

Notable recent papers by Flint demonstrate a focus on microbial activity and ecology within the human gut:

  • "Vitamin Biosynthesis by Human Gut Butyrate-Producing Bacteria and Cross-Feeding in Synthetic Microbial Communities" (2020) in mBio
  • "Pivotal Roles for pH, Lactate, and Lactate-Utilizing Bacteria in the Stability of a Human Colonic Microbial Ecosystem" (2020) in mSystems
  • "Microbial lactate utilisation and the stability of the gut microbiome" (2022) in Gut Microbiome
  • "Relative abundance of the Prevotella genus within the human gut microbiota of elderly volunteers determines the inter-individual responses to dietary supplementation with wheat bran arabinoxylan-oligosaccharides" (2020) in BMC Microbiology
  • "β-Glucan is a major growth substrate for human gut bacteria related to Coprococcus eutactus" (2020) in Environmental Microbiology

Flint has also contributed to book publications, including the title Why Gut Microbes Matter, published by Springer International Publishing in 2020.

Collaboration is a visible aspect of Flint's efforts, with frequent co-authors including Sylvia H. Duncan, Petra Louis, Alan W. Walker, Freda M. Farquharson, and Graham Horgan. These partnerships underline the collaborative and multidisciplinary approach in their research activities.

Best Publications

  • Expert consensus document. The International Scientific Association for Probiotics and Prebiotics consensus statement on the scope and appropriate use of the term probiotic

    Colin Hill;Francisco Guarner;Gregor Reid;Glenn R. Gibson

  • The gut microbiota, bacterial metabolites and colorectal cancer

    Petra Louis;Georgina L. Hold;Harry J. Flint

  • Formation of propionate and butyrate by the human colonic microbiota

    Petra Louis;Harry J. Flint

  • Diversity, metabolism and microbial ecology of butyrate-producing bacteria from the human large intestine.

    Petra Louis;Harry James Flint

  • Microbial degradation of complex carbohydrates in the gut

    Harry J. Flint;Karen P. Scott;Sylvia H. Duncan;Petra Louis

  • The role of the gut microbiota in nutrition and health

    Harry J. Flint;Karen P. Scott;Petra Louis;Sylvia H. Duncan

  • Polysaccharide utilization by gut bacteria: potential for new insights from genomic analysis

    Harry James Flint;Edward A. Bayer;Marco T. Rincon;Raphael Lamed

  • Dominant and diet-responsive groups of bacteria within the human colonic microbiota.

    Alan W Walker;Jennifer Ince;Sylvia H Duncan;Lucy M Webster

  • The microbiology of butyrate formation in the human colon.

    Susan E Pryde;Sylvia H Duncan;Georgina L Hold;Colin S Stewart

  • Human colonic microbiota associated with diet, obesity and weight loss.

    Sylvia Helen Duncan;Gerald Lobley;Grietje Holtrop;J. Ince

  • Phylogenetic distribution of three pathways for propionate production within the human gut microbiota

    Nicole Reichardt;Sylvia Helen Duncan;Pauline Young;Alvaro Belenguer

  • Lactate-Utilizing Bacteria, Isolated from Human Feces, That Produce Butyrate as a Major Fermentation Product

    Sylvia Helen Duncan;Petra Louis;Harry James Flint

  • The influence of diet on the gut microbiota.

    Karen P. Scott;Silvia W. Gratz;Paul O. Sheridan;Harry J. Flint

  • Intestinal microbiota in functional bowel disorders: a Rome foundation report

    Magnus Simrén;Giovanni Barbara;Harry J. Flint;Brennan M R Spiegel

  • Phylogenetic Relationships of Butyrate-Producing Bacteria from the Human Gut

    Adela Barcenilla;Susan E. Pryde;Jennifer C. Martin;Sylvia H. Duncan

  • Ruminococcus bromii is a keystone species for the degradation of resistant starch in the human colon.

    Xiaolei Ze;Sylvia Helen Duncan;Petra Louis;Harry James Flint

  • Reduced Dietary Intake of Carbohydrates by Obese Subjects Results in Decreased Concentrations of Butyrate and Butyrate-Producing Bacteria in Feces

    Sylvia H. Duncan;Alvaro Belenguer;Grietje Holtrop;Alexandra M. Johnstone

  • The rumen bacteria

    C. S. Stewart;H. J. Flint;M. P. Bryant

  • Links between diet, gut microbiota composition and gut metabolism.

    Harry James Flint;Sylvia H. Duncan;Karen P. Scott;Petra Louis

  • Diversity of human colonic butyrate-producing bacteria revealed by analysis of the butyryl-CoA:acetate CoA-transferase gene.

    Petra Louis;Pauline Young;Grietje Holtrop;Harry James Flint

Frequent Co-Authors

Sylvia H. Duncan
Sylvia H. Duncan University of Aberdeen
Petra Louis
Petra Louis University of Aberdeen
Karen P. Scott
Karen P. Scott University of Aberdeen
Alan W. Walker
Alan W. Walker University of Aberdeen
Edward A. Bayer
Edward A. Bayer Weizmann Institute of Science
Raphael Lamed
Raphael Lamed Tel Aviv University
Bryan A. White
Bryan A. White University of Illinois at Urbana-Champaign
Gerald E. Lobley
Gerald E. Lobley University of Aberdeen
Georgina L. Hold
Georgina L. Hold University of New South Wales
Hermie J. M. Harmsen
Hermie J. M. Harmsen University Medical Center Groningen

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