World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
56
Citations
11046
World Ranking
3704
National Ranking
106

Joaquim Ruiz 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 Joaquim Ruiz 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: 231 publications — 60th percentile

60% of scientists in this discipline score the same or lower.

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

Joaquim Ruiz 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 Joaquim Ruiz 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: 56 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Overview

Joaquim Ruiz is affiliated with the Scientific University of the South in Peru, contributing extensively to research in the fields of Biochemistry, Genetics and Molecular Biology as well as Medicine. Their work spans various subfields, including Molecular Medicine, Endocrinology, Applied Microbiology and Biotechnology, Infectious Diseases, and Molecular Biology.

The primary focus of Joaquim Ruiz's research is on antibiotic resistance and bacterial pathogens, with particular attention given to antibiotic resistance in bacteria and antibiotic use and resistance. Other significant topics of study include Vibrio bacteria research, Escherichia coli research, antibiotics pharmacokinetics and efficacy, bacterial biofilms and quorum sensing, and Salmonella and Campylobacter epidemiology.

Joaquim Ruiz has published numerous papers in well-regarded scientific journals. Notable recent publications include:

  • "Enhanced antibiotic resistance as a collateral COVID-19 pandemic effect?" (2020), Journal of Hospital Infection
  • "Type 3 secretion system of Pseudomonas aeruginosa" (2021), Microbiological Research
  • "Escherichia coli ST131 clones harbouring AggR and AAF/V fimbriae causing bacteremia in Mozambican children: Emergence of new variant of fimH27 subclone" (2020), PLoS Neglected Tropical Diseases
  • "Dissemination of a multidrug resistant CTX-M-65 producer Salmonella enterica serovar Infantis clone between marketed chicken meat and children" (2021), International Journal of Food Microbiology
  • "Evolution of Antimicrobial Resistance Levels of ESKAPE Microorganisms in a Peruvian IV-Level Hospital" (2021), Infection and Chemotherapy

Joaquim Ruiz collaborates frequently with other researchers, including María J. Pons, Theresa J. Ochoa, Luciano A. Palomino-Kobayashi, Yolanda Sáenz, and Kathya Espinoza, further contributing to the scientific community in their fields of study.

Their research is often published in recurring venues such as South health., Infection and Chemotherapy, Microbes Infection and Chemotherapy, Microbiology Spectrum, and Revista Peruana de Medicina Experimental y Salud Pública. These journals reflect the interdisciplinary nature of their work, bridging clinical and molecular perspectives in health sciences.

Best Publications

  • Mechanisms of resistance to quinolones: target alterations, decreased accumulation and DNA gyrase protection

    Joaquim Ruiz

  • Mechanisms of Resistance in Multiple-Antibiotic-Resistant Escherichia coli Strains of Human, Animal, and Food Origins

    Yolanda Sáenz;Laura Briñas;Elena Domínguez;Joaquim Ruiz

  • Association between double mutation in gyrA gene of ciprofloxacin-resistant clinical isolates of Escherichia coli and MICs.

    J Vila;J Ruiz;F Marco;A Barcelo

  • Detection of mutations in parC in quinolone-resistant clinical isolates of Escherichia coli.

    J Vila;J Ruiz;P Goñi;M T De Anta

  • Quinolone-resistance mutations in the topoisomerase IV parC gene of Acinetobacter baumannii.

    J Vila;J Ruiz;P Goñi;T Jimenez de Anta

  • Mutation in the gyrA gene of quinolone-resistant clinical isolates of Acinetobacter baumannii.

    J Vila;J Ruiz;P Goñi;A Marcos

  • Differences in Virulence Factors among Clinical Isolates of Escherichia coli Causing Cystitis and Pyelonephritis in Women and Prostatitis in Men

    Joaquim Ruiz;Karine Simon;Juan P. Horcajada;Maria Velasco

  • ETIOLOGY OF DIARRHEA IN CHILDREN LESS THAN FIVE YEARS OF AGE IN IFAKARA, TANZANIA

    Martha Vargas;Joaquim Gascon;Climent Casals;David Schellenberg

  • Etiology of diarrhea in children younger than 5 years of age admitted in a rural hospital of southern Mozambique.

    Inácio M. Mandomando;Eusébio V. Macete;Joaquim Ruiz;Sergi Sanz

  • High Frequency of Antimicrobial Drug Resistance of Diarrheagenic Escherichia coli in Infants in Peru

    Theresa J. Ochoa;Joaquím Ruiz;Margarita Molina;Luis J. Del Valle

  • Macrolide resistance mechanisms in Enterobacteriaceae: Focus on azithromycin

    Cláudia Gomes;Sandra Martínez-Puchol;Noemí Palma;Gertrudis Horna

  • Quantitative Real-time Polymerase Chain Reaction for Enteropathogenic Escherichia coli: A Tool for Investigation of Asymptomatic Versus Symptomatic Infections

    Francesca Barletta;Theresa J. Ochoa;Theresa J. Ochoa;Erik H. Mercado;Joaquim Ruiz

  • Blood Cultures for Women with Uncomplicated Acute Pyelonephritis: Are They Necessary?

    María Velasco;J. Antonio Martínez;Antonio Moreno-Martínez;J. Pablo Horcajada

  • Increased resistance to quinolones in Campylobacter jejuni: a genetic analysis of gyrA gene mutations in quinolone-resistant clinical isolates.

    Joaquim Ruiz;Pilar Goñi;Francesc Marco;Francesc Gallardo

  • Effect of an efflux pump inhibitor on the MIC of nalidixic acid for Acinetobacter baumannii and Stenotrophomonas maltophilia clinical isolates

    Anna Ribera;Joaquim Ruiz;M Teresa Jiminez de Anta;Jordi Vila

  • Transferable mechanisms of quinolone resistance

    Joaquim Ruiz;Maria J. Pons;Cláudia Gomes

  • Type 3 secretion system of Pseudomonas aeruginosa.

    Gertrudis Horna;Joaquim Ruiz

  • Mecanismos moleculares de resistencia antibiótica en Escherichia coli asociadas a diarrea

    Susan Mosquito;Joaquim Ruiz;José Luis Bauer;Theresa J. Ochoa;Theresa J. Ochoa

  • Transferable Mechanisms of Quinolone Resistance from 1998 Onward

    Joaquim Ruiz

  • Mechanisms involved in the development of resistance to fluoroquinolones in Escherichia coli isolates

    María del Mar Tavío;Jordi Vila;Joaquím Ruiz;José Ruiz

  • Spread of Amikacin Resistance in Acinetobacter baumannii Strains Isolated in Spain Due to an Epidemic Strain

    Jordi Vila;Joaquim Ruiz;Margarita Navia;Berta Becerril

  • Effect of the efflux pump inhibitor Phe-Arg-β-naphthylamide on the MIC values of the quinolones, tetracycline and chloramphenicol, in Escherichia coli isolates of different origin

    Yolanda Sáenz;Joaquim Ruiz;Myriam Zarazaga;Meritxell Teixidó

Frequent Co-Authors

Jordi Vila
Jordi Vila University of Barcelona
Joaquim Gascon
Joaquim Gascon University of Barcelona
Pedro L. Alonso
Pedro L. Alonso University of Barcelona
Francesc Marco
Francesc Marco University of Barcelona
Quique Bassat
Quique Bassat University of Barcelona
Yolanda Sáenz
Yolanda Sáenz University of La Rioja
Josep Mensa
Josep Mensa University of Barcelona
Carmen Torres
Carmen Torres University of La Rioja
Clara Menéndez
Clara Menéndez University of Barcelona
Jan Jacobs
Jan Jacobs KU Leuven

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