World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
56
Citations
9946
World Ranking
14559
National Ranking
69

Niyaz Ahmed publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Niyaz Ahmed sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 289 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Niyaz Ahmed D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Niyaz Ahmed sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 56 D-Index — 28th percentile

28% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Niyaz Ahmed is affiliated with the University of Hyderabad in India. Their research spans multiple areas within biochemistry, genetics, molecular biology, and medicine, with a significant focus on antibiotic resistance, bacterial pathogens, and infectious diseases. Over the course of their career, they have contributed extensively to both primary fields and specialized subfields such as endocrinology, molecular medicine, surgery, food science, and immunology.

Their scientific inquiry addresses key topics including:

  • Antibiotic Resistance in Bacteria
  • Vibrio bacteria research studies
  • Escherichia coli research studies
  • Salmonella and Campylobacter epidemiology
  • Aquaculture disease management and microbiota
  • Helicobacter pylori-related gastroenterology studies
  • Veterinary medicine and infectious diseases

Among Niyaz Ahmed's recent published works are:

  • Extended-Spectrum Beta-Lactamase-Producing Escherichia coli in Drinking Water Samples From a Forcibly Displaced, Densely Populated Community Setting in Bangladesh, 2020, published in Frontiers in Public Health
  • Genome Dynamics of Vibrio cholerae Isolates Linked to Seasonal Outbreaks of Cholera in Dhaka, Bangladesh, 2020, published in mBio
  • Colistin-resistant Escherichia coli carrying mcr-1 in food, water, hand rinse, and healthy human gut in Bangladesh, 2020, published in Gut Pathogens
  • Whole-Genome Analysis of Clinical Vibrio cholerae O1 in Kolkata, India, and Dhaka, Bangladesh, Reveals Two Lineages of Circulating Strains, Indicating Variation in Genomic Attributes, 2020, published in mBio
  • Genomic insights into virulence, antimicrobial resistance, and adaptation acumen of Escherichia coli isolated from an urban environment, 2024, published in mBio

The scientist frequently collaborates with colleagues including Munirul Alam, Shamsul Qumar, John D. Clemens, Suresh Kumar Mendem, and Bindu Ambaru. These collaborations have resulted in multiple joint publications reflecting a shared research interest in bacterial genomics and infectious disease epidemiology.

Common venues for their research publications include:

  • Helicobacter
  • mBio
  • Faculty Opinions - Post-Publication Peer Review of the Biomedical Literature
  • Research Journal of Medical Sciences
  • Gut Pathogens

Niyaz Ahmed's scholarly output incorporates a broad spectrum of studies from molecular and microbial biology to clinical and epidemiological investigations. The emphasis on multidrug resistance and bacterial pathogen genomics highlights their engagement with public health challenges in densely populated and resource-limited settings.

Best Publications

  • Tuberculosis in seals caused by a novel member of the Mycobacterium tuberculosis complex: Mycobacterium pinnipedii sp. nov.

    Debby V. Cousins;Ricardo Bastida;Angel Cataldi;Viviana Quse

  • Antimicrobial activities of Eugenol and Cinnamaldehyde against the human gastric pathogen Helicobacter pylori

    Shaik Mahaboob Ali;Shaik Mahaboob Ali;Aleem A. Khan;Irshad Ahmed;M. Musaddiq

  • Multilocus sequence typing method for identification and genotypic classification of pathogenic Leptospira species

    Niyaz Ahmed;S Manjulata Devi;M de los Á Valverde;P Vijayachari

  • Development and validation of a real-time PCR for detection of pathogenic leptospira species in clinical materials.

    Ahmed Ahmed;Mirjam F. M. Engelberts;Kimberly R. Boer;Niyaz Ahmed

  • Genomic fluidity and pathogenic bacteria: applications in diagnostics, epidemiology and intervention

    Niyaz Ahmed;Ulrich Dobrindt;Jörg Hacker;Jörg Hacker;Seyed E. Hasnain

  • Molecular Characterization of Multidrug-Resistant Isolates of Mycobacterium tuberculosis from Patients in North India

    Noman Siddiqi;Mohammed Shamim;Seema Hussain;Rakesh Kumar Choudhary

  • Improved detection of bifidobacteria with optimised 16S rRNA-gene based pyrosequencing.

    Kathleen Sim;Michael J. Cox;Harm Wopereis;Rocio Martin

  • Virulence Characteristics and Genetic Affinities of Multiple Drug Resistant Uropathogenic Escherichia coli from a Semi Urban Locality in India

    Savita Jadhav;Arif Hussain;Savita Devi;Ashutosh Kumar

  • Clonal spread and interspecies transmission of clinically relevant ESBL-producing Escherichia coli of ST410—another successful pandemic clone?

    Katharina Schaufler;Torsten Semmler;Lothar H. Wieler;Michael Wöhrmann

  • Mycobacterium tuberculosis isolate with a distinct genomic identity overexpresses a tap-like efflux pump.

    N. Siddiqi;R. Das;N. Pathak;S. Banerjee

  • Impact of household hygiene and water source on the prevalence and transmission of Helicobacter pylori: a South Indian perspective.

    Ahmed Ks;Khan Aa;Ahmed I;Tiwari Sk

  • 23 years of the discovery of Helicobacter pylori: Is the debate over?

    Niyaz Ahmed

  • Predominance of ancestral lineages of Mycobacterium tuberculosis in India.

    M. Cristina Gutierrez;Niyaz Ahmed;Eve Willery;Sujatha Narayanan

  • Pyrosequencing-Based Analysis of the Mucosal Microbiota in Healthy Individuals Reveals Ubiquitous Bacterial Groups and Micro-Heterogeneity

    Pei Ying Hong;Jennifer A. Croix;Eugene Greenberg;H. Rex Gaskins

  • Helicobacter pylori and gastroduodenal pathology: New threats of the old friend

    Niyaz Ahmed;Leonardo Antonio Sechi

  • Mycobacterial Dormancy Systems and Host Responses in Tuberculosis

    Vidyullatha Peddireddy;Sankara Narayana Doddam;Niyaz Ahmed;Niyaz Ahmed

  • Iron-Dependent RNA-Binding Activity of Mycobacterium tuberculosis Aconitase

    Sharmistha Banerjee;Sharmistha Banerjee;Ashok Kumar Nandyala;Podili Raviprasad;Niyaz Ahmed

  • Conservation of the S10-spc-α Locus within Otherwise Highly Plastic Genomes Provides Phylogenetic Insight into the Genus Leptospira

    Berta Victoria;Ahmed Ahmed;Richard L. Zuerner;Niyaz Ahmed

  • Identification of novel mutations causing familial primary congenital glaucoma in Indian pedigrees.

    Shirly G. Panicker;Aramati B. M. Reddy;Anil K. Mandal;Niyaz Ahmed

  • Association of Mycobacterium avium subsp. paratuberculosis with Multiple Sclerosis in Sardinian Patients

    Davide Cossu;Eleonora Cocco;Daniela Paccagnini;Speranza Masala

Frequent Co-Authors

Seyed E. Hasnain
Seyed E. Hasnain Indian Institute of Technology Delhi
Leonardo Antonio Sechi
Leonardo Antonio Sechi University of Sassari
Lothar H. Wieler
Lothar H. Wieler Hasso Plattner Institute
Stefania Anna Lucia Zanetti
Stefania Anna Lucia Zanetti University of Sassari
Francis Mégraud
Francis Mégraud University of Bordeaux
Kwai Lin Thong
Kwai Lin Thong University of Malaya
Sharon J. Peacock
Sharon J. Peacock University of Cambridge
John D. Clemens
John D. Clemens University of California, Los Angeles
Robert H. Gilman
Robert H. Gilman Johns Hopkins University
Rudy A. Hartskeerl
Rudy A. Hartskeerl Royal Tropical Institute

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