World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
86
Citations
69440
World Ranking
13831
National Ranking
196

Francisco Guarner publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Francisco Guarner sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 277 publications — 12th percentile

12% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Francisco Guarner D-index placement in Medicine in 2026

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

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 86 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Francisco Guarner is affiliated with the Autonomous University of Barcelona in Spain and conducts research primarily within the fields of Medicine and Biochemistry, Genetics and Molecular Biology. Their work is focused on multiple subfields including Molecular Biology, Genetics, Gastroenterology, Epidemiology, and Physiology.

The scientist's research topics revolve around the study of gut microbiota and health, covering a broad range of areas such as Inflammatory Bowel Disease, Gastrointestinal motility and disorders, Diet and metabolism studies, Microscopic Colitis, Probiotics and Fermented Foods, as well as research related to Clostridium difficile and Clostridium perfringens.

Frequent coauthors collaborating with Francisco Guarner include:

  • Encarna Varela
  • Natalia Borruel
  • Francesc Casellas
  • Claudia Herrera-deGuise
  • L Mayorga

They have a publication record spanning a variety of journals, with notable recurring venues such as:

  • Nutrients
  • Gastroenterología y Hepatología (English Edition)
  • Gastroenterología y Hepatología
  • Gastroenterology
  • Advances in Therapy

Representative recent papers authored or coauthored by Francisco Guarner include:

  • World Gastroenterology Organisation Global Guidelines: Probiotics and Prebiotics, 2024, Journal of Clinical Gastroenterology
  • Antibiotics as Major Disruptors of Gut Microbiota, 2020, Frontiers in Cellular and Infection Microbiology
  • Alterations in Gut Microbiome in Cirrhosis as Assessed by Quantitative Metagenomics: Relationship With Acute-on-Chronic Liver Failure and Prognosis, 2020, Gastroenterology
  • Gut microbes and health, 2021, Gastroenterología y Hepatología (English Edition)
  • Microbiota intestinal y salud, 2021, Gastroenterología y Hepatología

Best Publications

  • A human gut microbial gene catalogue established by metagenomic sequencing

    Junjie Qin;Ruiqiang Li;Jeroen Raes;Manimozhiyan Arumugam

  • Enterotypes of the human gut microbiome

    Manimozhiyan Arumugam;Jeroen Raes;Eric Pelletier;Denis Le Paslier

  • 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

  • Gut flora in health and disease

    Francisco Guarner;Juan-R Malagelada

  • Prebiotic effects: metabolic and health benefits.

    Marcel Roberfroid;Glenn R. Gibson;Lesley Hoyles;Anne L. McCartney

  • An integrated catalog of reference genes in the human gut microbiome

    Junhua Li;Huijue Jia;Xianghang Cai;Huanzi Zhong

  • The gut microbiota in IBD.

    Chaysavanh Manichanh;Natalia Borruel;Francesc Casellas;Francisco Guarner

  • Identification and assembly of genomes and genetic elements in complex metagenomic samples without using reference genomes

    H Bjørn Nielsen;Mathieu Almeida;Agnieszka Sierakowska Juncker;Simon Rasmussen

  • A microbial signature for Crohn ’ s disease

    Victoria Pascal;Marta Pozuelo;Natalia Borruel;Francesc Casellas

  • Inflammatory disease processes and interactions with nutrition

    P. C. Calder;R. Albers;J.-M. Antoine;S. Blum

  • An update on the use and investigation of probiotics in health and disease

    Mary Ellen Sanders;Francisco Guarner;Richard Guerrant;Peter R. Holt

  • The intestine and its microflora are partners for the protection of the host: report on the Danone Symposium "The Intelligent Intestine," held in Paris, June 14, 2002

    Pierre Bourlioux;Berthold Koletzko;Francisco Guarner;Véronique Braesco

  • Antibiotics as Major Disruptors of Gut Microbiota

    Jaime Ramirez;Francisco Guarner;Luis Bustos Fernandez;Aldo Maruy

  • Metagenomic species profiling using universal phylogenetic marker genes

    Shinichi Sunagawa;Daniel R Mende;Georg Zeller;Fernando Izquierdo-Carrasco

  • Probiotics and human health: a clinical perspective

    H S Gill;F Guarner

  • World Gastroenterology Organisation Global Guidelines: probiotics and prebiotics October 2011.

    Francisco Guarner;Aamir G. Khan;James Garisch;Rami Eliakim

  • Increased mucosal tumour necrosis factor alpha production in Crohn's disease can be downregulated ex vivo by probiotic bacteria.

    N Borruel;M Carol;F Casellas;M Antolín

  • Should yoghurt cultures be considered probiotic

    Francisco Guarner;Gabriela del Valle Perdigon;Gérard Corthier;Seppo Salminen

  • PASSCLAIM - gut health and immunity

    John H Cummings;Jean-Michel Antoine;Fernando Azpiroz;Raphaelle Bourdet-Sicard

  • Effects of probiotic Lactobacillus casei DN-114 001 in prevention of radiation-induced diarrhea: results from multicenter, randomized, placebo-controlled nutritional trial.

    Jordi Giralt;José Perez Regadera;Ramona Verges;Jesus Romero

Frequent Co-Authors

Juan-R. Malagelada
Juan-R. Malagelada Autonomous University of Barcelona
Joël Doré
Joël Doré INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Glenn R. Gibson
Glenn R. Gibson University of Reading
S. Dusko Ehrlich
S. Dusko Ehrlich University College London
Jesús Prieto
Jesús Prieto University of Navarra
Peer Bork
Peer Bork European Molecular Biology Laboratory
Oluf Pedersen
Oluf Pedersen University of Copenhagen
Eric Pelletier
Eric Pelletier Centre national de la recherche scientifique, CNRS
Søren Brunak
Søren Brunak University of Copenhagen
Torben Hansen
Torben Hansen University of Copenhagen

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in a medical career but seeking flexibility or alternative pathways, there are several related online degrees and programs to consider. Many registered nurses are advancing their education through rn to bsn online programs, which offer convenient routes to further qualifications while working. These programs often cater to busy professionals and can open up more advanced nursing opportunities.

Another popular option is direct entry msn programs for non-nurses online. These accelerated pathways are designed for individuals who hold a non-nursing bachelor’s degree but want to pursue a master’s in nursing, helping them quickly transition into the field.

If you’re concerned about admissions competitiveness, it’s helpful to research what is the easiest nursing school to get into. This can increase your chances of beginning a nursing program, especially if your grades or experience are non-traditional.

For those interested in the administration side of healthcare, financial aid for medical billing and coding makes entering this rapidly growing field more accessible. Online options can lead to certification and employment without the need for a traditional, in-person degree.

Best Scientists Citing Francisco Guarner

Trending Scientists

Recently Published Articles