World's Best Scientists 2026 revealed!
Waliul I. Khan

Waliul I. Khan

D-Index & Metrics

Microbiology

D-Index
55
Citations
11143
World Ranking
3812
National Ranking
111

Waliul I. Khan 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 Waliul I. Khan 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: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 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: 135 publications — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Waliul I. Khan 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 Waliul I. Khan 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: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 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: 93 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: 55 D-Index — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

Overview

Waliul I. Khan is affiliated with McMaster University in Canada. Their research primarily centers on medical sciences, contributing substantially to the fields of molecular biology, infectious diseases, immunology, epidemiology, and physiology. Over time, they have published around 50 works focused on medicine, with more specific attention to subfields such as molecular biology (14 publications), infectious diseases (9 publications), immunology (8 publications), epidemiology (7 publications), and physiology (6 publications).

The scientist's work explores several main research topics, which include:

  • Gut microbiota and health
  • Clostridium difficile and Clostridium perfringens research
  • Gastrointestinal motility and disorders
  • Tryptophan and brain disorders
  • IL-33, ST2, and ILC pathways
  • Immune responses and vaccinations
  • Dietary effects on health

Some frequent co-authors associated with Khan include Jensine A. Grondin, Yun Han Kwon, Suhrid Banskota, Sabah Haq, and Michael G. Surette.

They have published in various scientific journals, with several recurrent venues such as:

  • Journal of the Canadian Association of Gastroenterology (10 publications)
  • Gastroenterology (4 publications)
  • Nature Communications (3 publications)
  • Nature Immunology (2 publications)
  • The FASEB Journal (2 publications)

Recent papers that demonstrate the scope of their research include:

  • Mucins in Intestinal Mucosal Defense and Inflammation: Learning From Clinical and Experimental Studies, 2020, Frontiers in Immunology
  • Parenteral BCG vaccine induces lung-resident memory macrophages and trained immunity via the gut-lung axis, 2022, Nature Immunology
  • Tryptophan-derived serotonin-kynurenine balance in immune activation and intestinal inflammation, 2021, The FASEB Journal
  • The Circadian Clock Gene, Bmal1, Regulates Intestinal Stem Cell Signaling and Represses Tumor Initiation, 2021, Cellular and Molecular Gastroenterology and Hepatology
  • Results of the First Pilot Randomized Controlled Trial of Fecal Microbiota Transplant In Pediatric Ulcerative Colitis: Lessons, Limitations, and Future Prospects, 2021, Gastroenterology

Best Publications

  • Chronic Gastrointestinal Inflammation Induces Anxiety-Like Behavior and Alters Central Nervous System Biochemistry in Mice

    Premysl Bercik;Elena F Verdu;Jane A Foster;Jane A Foster;Joseph Macri

  • Investigating Intestinal Inflammation in DSS-induced Model of IBD

    Janice J. Kim;Md. Sharif Shajib;Marcus M. Manocha;Waliul I. Khan

  • Inhibiting peripheral serotonin synthesis reduces obesity and metabolic dysfunction by promoting brown adipose tissue thermogenesis

    Justin D Crane;Rengasamy Palanivel;Emilio P Mottillo;Adam L Bujak

  • Mucins in Intestinal Mucosal Defense and Inflammation: Learning From Clinical and Experimental Studies

    Jensine A Grondin;Yun Han Kwon;Parsa Mehraban Far;Sabah Haq

  • Serotonin Has a Key Role in Pathogenesis of Experimental Colitis

    Jean–Eric Ghia;Nan Li;Huaqing Wang;Matthew Collins

  • The role of serotonin and its receptors in activation of immune responses and inflammation.

    M. S. Shajib;W. I. Khan;W. I. Khan

  • Emerging Roles for Serotonin in Regulating Metabolism: New Implications for an Ancient Molecule

    Julian M Yabut;Justin D Crane;Alexander E Green;Damien J Keating

  • Intestinal Nematode Infection Ameliorates Experimental Colitis in Mice

    W. I. Khan;P. A. Blennerhasset;A. K. Varghese;S. K. Chowdhury

  • Goblet Cells and Mucins: Role in Innate Defense in Enteric Infections

    Janice J Kim;Waliul I Khan

  • Visceral hyperalgesia and intestinal dysmotility in a mouse model of postinfective gut dysfunction

    Premysl Bercı́k;Lu Wang;Elena F. Verdú;Yukang K. Mao

  • Gut hormones: emerging role in immune activation and inflammation

    W. I. Khan;J. E. Ghia

  • Mucin Gene Deficiency in Mice Impairs Host Resistance to an Enteric Parasitic Infection

    Sumaira Z. Hasnain;Huaqing Wang;Jean–Eric Ghia;Nihal Haq

  • Reactivation of Inflammatory Bowel Disease in a Mouse Model of Depression

    Jean–Eric Ghia;Patricia Blennerhassett;Ykang Deng;Elena F. Verdu

  • Platelets release pathogenic serotonin and return to circulation after immune complex-mediated sequestration.

    Nathalie Cloutier;Isabelle Allaeys;Genevieve Marcoux;Kellie R. Machlus

  • Modulation of Gut Microbiota Composition by Serotonin Signaling Influences Intestinal Immune Response and Susceptibility to Colitis.

    Yun Han Kwon;Huaqing Wang;Emmanuel Denou;Jean-Eric Ghia

  • Serotonin and GI Disorders: An Update on Clinical and Experimental Studies

    Marcus Manocha;Waliul I Khan

  • Defective NOD2 peptidoglycan sensing promotes diet-induced inflammation, dysbiosis, and insulin resistance

    Emmanuel Denou;Karine Lolmède;Karine Lolmède;Lucile Garidou;Lucile Garidou;Celine Pomie;Celine Pomie

  • Modulation of intestinal muscle contraction by interleukin-9 (IL-9) or IL-9 neutralization: correlation with worm expulsion in murine nematode infections.

    W. I. Khan;M. Richard;H. Akiho;P. A. Blennerhasset

  • Critical role of MCP-1 in the pathogenesis of experimental colitis in the context of immune and enterochromaffin cells

    Waliul I Khan;Yasuaki Motomura;H Wang;Rami T El-Sharkawy

  • Serotonin in the gut: Blessing or a curse.

    Suhrid Banskota;Jean-Eric Ghia;Waliul I. Khan

  • Goblet Cells and Mucins: Role in Innate Defense in

    Janice J. Kim;Waliul I. Khan

Frequent Co-Authors

Stephen M. Collins
Stephen M. Collins McMaster University
Gregory R. Steinberg
Gregory R. Steinberg McMaster University
Michael G. Surette
Michael G. Surette McMaster University
Jack Gauldie
Jack Gauldie McMaster University
Richard K. Grencis
Richard K. Grencis University of Manchester
Manel Jordana
Manel Jordana McMaster University
Jacques Mallet
Jacques Mallet Centre national de la recherche scientifique, CNRS
Ryoichi Takayanagi
Ryoichi Takayanagi Kyushu University
Bruce A. Vallance
Bruce A. Vallance University of British Columbia
John H. Brumell
John H. Brumell University of Toronto

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