World's Best Scientists 2026 revealed!
Helle Krogh Johansen

Helle Krogh Johansen

D-Index & Metrics

Microbiology

D-Index
78
Citations
21284
World Ranking
1289
National Ranking
18

Helle Krogh Johansen 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 Helle Krogh Johansen 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: 320 publications — 80th percentile

80% of scientists in this discipline score the same or lower.

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

Helle Krogh Johansen 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 Helle Krogh Johansen 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: 78 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Overview

Helle Krogh Johansen is affiliated with the University of Copenhagen in Denmark. Their research primarily spans the fields of Biochemistry, Genetics and Molecular Biology, and Medicine, with a strong focus on Pulmonary and Respiratory Medicine, Molecular Biology, and Molecular Medicine. Additional areas include Endocrinology and Infectious Diseases.

Their work covers several main topics related to bacterial infections and respiratory health, such as Cystic Fibrosis Research Advances, Antibiotic Resistance in Bacteria, Bacterial biofilms and quorum sensing, Inhalation and Respiratory Drug Delivery, Infections and bacterial resistance, Bacteriophages and microbial interactions, and Genomics and Phylogenetic Studies.

Research publications are concentrated in a few key scientific journals, including:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Journal of Cystic Fibrosis
  • Nature Communications
  • Clinical Microbiology and Infection
  • Microbial Genomics

Frequent collaborators in their work include Søren Molin, Ruggero La Rosa, Rasmus L. Marvig, Tacjana Pressler, and Jennifer Bartell.

Selected recent publications illustrate the scope of their research contributions:

  • "Pseudomonas aeruginosa adaptation and evolution in patients with cystic fibrosis," 2020, Nature Reviews Microbiology
  • "Inter-species interactions alter antibiotic efficacy in bacterial communities," 2021, The ISME Journal
  • "Hypermutator Pseudomonas aeruginosa Exploits Multiple Genetic Pathways To Develop Multidrug Resistance during Long-Term Infections in the Airways of Cystic Fibrosis Patients," 2020, Antimicrobial Agents and Chemotherapy
  • "Bacterial persisters in long-term infection: Emergence and fitness in a complex host environment," 2020, PLoS Pathogens
  • "Compensatory evolution of Pseudomonas aeruginosa's slow growth phenotype suggests mechanisms of adaptation in cystic fibrosis," 2021, Nature Communications

Best Publications

  • The clinical impact of bacterial biofilms

    Niels Høiby;Oana Ciofu;Helle Krogh Johansen;Zhi-jun Song

  • Adaptation of Pseudomonas aeruginosa to the cystic fibrosis airway: an evolutionary perspective

    Anders Folkesson;Lars Jelsbak;Lei Yang;Lei Yang;Helle Krogh Johansen

  • Convergent evolution and adaptation of Pseudomonas aeruginosa within patients with cystic fibrosis

    Rasmus Lykke Marvig;Lea Mette Madsen Sommer;Søren Molin;Helle Krogh Johansen

  • Tolerance to the antimicrobial peptide colistin in Pseudomonas aeruginosa biofilms is linked to metabolically active cells, and depends on the pmr and mexAB‐oprM genes

    Sünje Johanna Pamp;Morten Gjermansen;Helle Krogh Johansen;Tim Tolker-Nielsen

  • Biofilms in chronic infections – a matter of opportunity – monospecies biofilms in multispecies infections

    Mette Burmølle;Trine Rolighed Thomsen;Mustafa Fazli;Irene Dige

  • Pseudomonas aeruginosa and the in vitro and in vivo biofilm mode of growth.

    Niels Høiby;Helle Krogh Johansen;Claus Moser;Zhijun Song

  • Pseudomonas aeruginosa adaptation and evolution in patients with cystic fibrosis.

    Elio Rossi;Ruggero La Rosa;Jennifer A. Bartell;Rasmus L. Marvig

  • House dust mite control measures for asthma.

    Peter C Gøtzsche;Helle Krogh Johansen

  • Evolutionary dynamics of bacteria in a human host environment

    Lei Yang;Lars Jelsbak;Rasmus Lykke Marvig;Søren Damkiær

  • Ghost Authorship in Industry-Initiated Randomised Trials

    Peter C Gøtzsche;Asbjørn Hróbjartsson;Helle Krogh Johansen;Mette T Haahr

  • Azithromycin Blocks Quorum Sensing and Alginate Polymer Formation and Increases the Sensitivity to Serum and Stationary-Growth-Phase Killing of Pseudomonas aeruginosa and Attenuates Chronic P. aeruginosa Lung Infection in Cftr−/− Mice

    Nadine Hoffmann;Baoleri Lee;Morten Hentzer;Thomas Bovbjerg Rasmussen

  • National Surveillance of Fungemia in Denmark (2004 to 2009)

    Maiken Cavling Arendrup;Brita Grønbech Bruun;Jens Jørgen Christensen;Kurt Fuursted

  • Molecular epidemiology and dynamics of Pseudomonas aeruginosa populations in lungs of cystic fibrosis patients.

    Lars Jelsbak;Helle Krogh Johansen;Anne Louise Viborg Frost;Regitze Thøgersen

  • Environmental Study of Azole-Resistant Aspergillus fumigatus and Other Aspergilli in Austria, Denmark, and Spain

    Klaus Leth Mortensen;Emilia Mellado;Cornelia Lass-Flörl;Juan Luis Rodriguez-Tudela

  • PmrB Mutations Promote Polymyxin Resistance of Pseudomonas aeruginosa Isolated from Colistin-Treated Cystic Fibrosis Patients

    Samuel M. Moskowitz;Mark K. Brannon;Nandini Dasgupta;Miyuki Pier

  • In Situ Growth Rates and Biofilm Development of Pseudomonas aeruginosa Populations in Chronic Lung Infections

    Lei Yang;Janus Anders Juul Haagensen;Lars Jelsbak;Helle Krogh Johansen

  • PhoQ Mutations Promote Lipid A Modification and Polymyxin Resistance of Pseudomonas aeruginosa Found in Colistin-Treated Cystic Fibrosis Patients

    Amanda K. Miller;Mark K. Brannon;Laurel Stevens;Laurel Stevens;Helle Krogh Johansen

  • Evolution and diversification of Pseudomonas aeruginosa in the paranasal sinuses of cystic fibrosis children have implications for chronic lung infection

    Susse Kirkelund Hansen;Martin Holm Rau;Helle Krogh Johansen;Oana Ciofu

  • Epidemiological changes with potential implication for antifungal prescription recommendations for fungaemia: data from a nationwide fungaemia surveillance programme

    M C Arendrup;Esad Dzajic;R H Jensen;H K Johansen

  • Genome analysis of a transmissible lineage of pseudomonas aeruginosa reveals pathoadaptive mutations and distinct evolutionary paths of hypermutators.

    Rasmus Lykke Marvig;Helle Krogh Johansen;Søren Molin;Lars Jelsbak

  • Novel Mouse Model of Chronic Pseudomonas aeruginosa Lung Infection Mimicking Cystic Fibrosis

    Nadine Hoffmann;Thomas Bovbjerg Rasmussen;Peter Østrup Jensen;Charlotte Stub

Frequent Co-Authors

Niels Høiby
Niels Høiby University of Copenhagen
Søren Molin
Søren Molin Technical University of Denmark
Maiken Cavling Arendrup
Maiken Cavling Arendrup Statens Serum Institut
Oana Ciofu
Oana Ciofu University of Copenhagen
Thomas Bjarnsholt
Thomas Bjarnsholt University of Copenhagen
Claus Moser
Claus Moser University of Copenhagen
Michael Givskov
Michael Givskov University of Copenhagen
Peter Østrup Jensen
Peter Østrup Jensen University of Copenhagen
Anja Boisen
Anja Boisen Technical University of Denmark

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