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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 73 1617 1465 696 607 452 32355

Nadim J. Ajami publications per year

The chart shows the history of publications by Nadim J. Ajami between 2004 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Nadim J. Ajami published across 22 years, from 2004 to 2025, averaging 25.7 papers a year. Output peaked at 177 publications in 2024. 230 of the 566 publications appeared in the last two years.

No. of publications
50 100 150
Bar chart. Horizontal axis: year, 2004 to 2025. Vertical axis: number of publications, 0 to 177. Peak 177 publications in 2024. 2004: 1 publication 2005: 2 publications 2006: 1 publication 2007: 0 publications 2008: 0 publications 2009: 2 publications 2010: 8 publications 2011: 0 publications 2012: 2 publications 2013: 3 publications 2014: 8 publications 2015: 23 publications 2016: 26 publications 2017: 42 publications 2018: 46 publications 2019: 26 publications 2020: 29 publications 2021: 25 publications 2022: 22 publications 2023: 70 publications 2024: 177 publications 2025: 53 publications
2004 2025

566 publications in total across all disciplines

View publications per year as a table
Nadim J. Ajami: publications per year, 2004 to 2025
Year Publications
2004 1
2005 2
2006 1
2007 0
2008 0
2009 2
2010 8
2011 0
2012 2
2013 3
2014 8
2015 23
2016 26
2017 42
2018 46
2019 26
2020 29
2021 25
2022 22
2023 70
2024 177
2025 53
Total 566
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Nadim J. Ajami 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 Nadim J. Ajami sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 445–454 publications, is where this scientist sits. 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
55–64 publications 679+

This scientist: 452 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235
125–134 234
135–144 288
145–154 265
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234
205–214 208
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34 452
455–464 25
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12
565–574 7
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Nadim J. Ajami 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 Nadim J. Ajami sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 73 D-Index, is where this scientist sits. 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: 73 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162
59 151
60 139
61 123
62 126
63 144
64 109
65 103
66 124
67 112
68 103
69 131
70 94
71 93
72 96
73 92 73
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77
84 50
85 45
86 42
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95
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Overview

Nadim J. Ajami is affiliated with The University of Texas MD Anderson Cancer Center in the United States. Their research concentrates primarily on medicine and biochemistry, genetics, and molecular biology with notable emphasis on oncology and molecular biology subfields.

The scientist's work addresses topics such as gut microbiota and health, cancer immunotherapy and biomarkers, colorectal cancer screening and detection, cancer research and treatments, cancer, stress, anesthesia, and immune response, Clostridium difficile and Clostridium perfringens research, and epigenetics and DNA methylation.

Frequent publication venues for Nadim J. Ajami include Cancer Research, Journal of Clinical Oncology, bioRxiv (Cold Spring Harbor Laboratory), Regular and Young Investigator Award Abstracts, and the International Journal of Radiation Oncology*Biology*Physics.

The scientist has published significant papers including:

  • Fecal microbiota transplant promotes response in immunotherapy-refractory melanoma patients, 2020, Science
  • Dietary fiber and probiotics influence the gut microbiome and melanoma immunotherapy response, 2021, Science
  • Neoadjuvant nivolumab or nivolumab plus ipilimumab in operable non-small cell lung cancer: the phase 2 randomized NEOSTAR trial, 2021, Nature Medicine
  • Gut microbiota signatures are associated with toxicity to combined CTLA-4 and PD-1 blockade, 2021, Nature Medicine
  • Evidence of recombination in coronaviruses implicating pangolin origins of nCoV-2019, 2020, bioRxiv (Cold Spring Harbor Laboratory)

Their frequent co-authors comprise Jennifer A. Wargo, Ashish Damania, Matthew C. Wong, Joseph F. Petrosino, and Lauren E. Colbert.

Best Publications

  • Gut microbiome modulates response to anti–PD-1 immunotherapy in melanoma patients

    V. Gopalakrishnan;V. Gopalakrishnan;C. N. Spencer;C. N. Spencer;L. Nezi;A. Reuben

  • Multi-omics of the gut microbial ecosystem in inflammatory bowel diseases.

    Jason Lloyd-Price;Jason Lloyd-Price;Cesar Arze;Ashwin N. Ananthakrishnan;Melanie Schirmer;Melanie Schirmer

  • Temporal development of the gut microbiome in early childhood from the TEDDY study

    Christopher J. Stewart;Christopher J. Stewart;Nadim J. Ajami;Jacqueline L. O’Brien;Diane S. Hutchinson

  • Tumor Microbiome Diversity and Composition Influence Pancreatic Cancer Outcomes

    Erick Riquelme;Erick Riquelme;Yu Zhang;Liangliang Zhang;Maria Montiel

  • Fecal microbiota transplant promotes response in immunotherapy-refractory melanoma patients

    Erez N. Baruch;Erez N. Baruch;Ilan Youngster;Guy Ben-Betzalel;Rona Ortenberg

  • Microbial Reconstitution Reverses Maternal Diet-Induced Social and Synaptic Deficits in Offspring

    Shelly A. Buffington;Gonzalo Viana Di Prisco;Thomas A. Auchtung;Nadim J. Ajami

  • Dietary fiber and probiotics influence the gut microbiome and melanoma immunotherapy response

    Unknown

  • The gut mycobiome of the Human Microbiome Project healthy cohort

    Andrea K. Nash;Thomas A. Auchtung;Matthew C. Wong;Daniel P. Smith

  • Wild Mouse Gut Microbiota Promotes Host Fitness and Improves Disease Resistance.

    Stephan P. Rosshart;Brian G. Vassallo;Davide Angeletti;Diane S. Hutchinson

  • The human gut microbiome in early-onset type 1 diabetes from the TEDDY study

    Tommi Vatanen;Eric A. Franzosa;Eric A. Franzosa;Randall Schwager;Surya Tripathi

  • Neoadjuvant nivolumab or nivolumab plus ipilimumab in operable non-small cell lung cancer: the phase 2 randomized NEOSTAR trial.

    Tina Cascone;William N. William;Annikka Weissferdt;Cheuk H. Leung

  • Expansion of bacteriophages is linked to aggravated intestinal inflammation and colitis

    Lasha Gogokhia;Lasha Gogokhia;Kate Buhrke;Rickesha Bell;Brenden Hoffman

  • Age-related changes in the gut microbiota influence systemic inflammation and stroke outcome.

    Monica S. Spychala;Venugopal Reddy Venna;Michal Jandzinski;Sarah J. Doran

  • Gut microbiota signatures are associated with toxicity to combined CTLA-4 and PD-1 blockade.

    Miles C. Andrews;Miles C. Andrews;Miles C. Andrews;Connie P.M. Duong;Connie P.M. Duong;Connie P.M. Duong;Vancheswaran Gopalakrishnan;Valerio Iebba;Valerio Iebba

  • Alterations in the gut microbiota can elicit hypertension in rats

    Sareema Adnan;James W. Nelson;Nadim J. Ajami;Venugopal R. Venna

  • Microbiota-derived acetate protects against respiratory syncytial virus infection through a GPR43-type 1 interferon response

    Krist Helen Antunes;José Luís Fachi;Rosemeire de Paula;Emanuelle Fraga da Silva

  • Gut Microbiome Associates With Lifetime Cardiovascular Disease Risk Profile Among Bogalusa Heart Study Participants

    Tanika N. Kelly;Lydia A. Bazzano;Nadim J. Ajami;Hua He

  • Altered Mucosal Microbiome Diversity and Disease Severity in Sjögren Syndrome

    Cintia S. de Paiva;Dan B. Jones;Michael E. Stern;Fang Bian

  • Role of the Gut Microbiome in Obstructive Sleep Apnea-Induced Hypertension.

    David J. Durgan;Bhanu P. Ganesh;Julia L. Cope;Nadim J. Ajami

  • IgA-coated E. coli enriched in Crohn’s disease spondyloarthritis promote TH17-dependent inflammation

    Monica Viladomiu;Charles Kivolowitz;Ahmed Abdulhamid;Belgin Dogan

  • Fecal microbiota imbalance in Mexican children with type 1 diabetes

    María Esther Mejía-León;Joseph F. Petrosino;Nadim Jose Ajami;María Gloria Domínguez-Bello

Frequent Co-Authors

Joseph F. Petrosino
Joseph F. Petrosino Baylor College of Medicine
Jennifer A. Wargo
Jennifer A. Wargo The University of Texas MD Anderson Cancer Center
Herbert L. DuPont
Herbert L. DuPont The University of Texas Health Science Center at Houston
Hashem B. El-Serag
Hashem B. El-Serag Baylor College of Medicine
Zhi-Dong Jiang
Zhi-Dong Jiang The University of Texas at Austin
Carlos A. Camargo
Carlos A. Camargo Harvard University
Robert L. Atmar
Robert L. Atmar Baylor College of Medicine
Robert R. Jenq
Robert R. Jenq The University of Texas MD Anderson Cancer Center
Pablo C. Okhuysen
Pablo C. Okhuysen The University of Texas MD Anderson Cancer Center
David Y. Graham
David Y. Graham Baylor College of Medicine

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