World's Best Scientists 2026 revealed!
Arthur F. J. Ram

Arthur F. J. Ram

D-Index & Metrics

Microbiology

D-Index
66
Citations
15638
World Ranking
2400
National Ranking
100

Arthur F. J. Ram 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 Arthur F. J. Ram 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: 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 publications 679+

This scientist: 197 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Arthur F. J. Ram 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 Arthur F. J. Ram 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: 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: 66 D-Index — 58th percentile

58% of scientists in this discipline score the same or lower.

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

Overview

Arthur F. J. Ram is affiliated with Leiden University in the Netherlands, specializing in the fields of Biochemistry, Genetics, and Molecular Biology, as well as Agricultural and Biological Sciences. Their research spans several subfields including Molecular Biology, Plant Science, Biomedical Engineering, Biotechnology, and Pharmacology.

The research topics Arthur F. J. Ram has focused on include:

  • Fungal and yeast genetics research
  • Biofuel production and bioconversion
  • Enzyme Production and Characterization
  • Fermentation and Sensory Analysis
  • Fungal Biology and Applications
  • Plant Pathogens and Fungal Diseases
  • Microbial Metabolic Engineering and Bioproduction

The scientist's recent publications demonstrate involvement in fungal biotechnology, microbial recycling, and enzyme mechanisms. Sample works include:

  • "Growing a circular economy with fungal biotechnology: a white paper," 2020, Fungal Biology and Biotechnology
  • "Carbohydrate Binding Modules: Diversity of Domain Architecture in Amylases and Cellulases From Filamentous Microorganisms," 2020, Frontiers in Bioengineering and Biotechnology
  • "Toward Microbial Recycling and Upcycling of Plastics: Prospects and Challenges," 2022, Frontiers in Microbiology
  • "Rational Design of Mechanism-Based Inhibitors and Activity-Based Probes for the Identification of Retaining α-l-Arabinofuranosidases," 2020, Journal of the American Chemical Society
  • "Conserved white-rot enzymatic mechanism for wood decay in the Basidiomycota genus Pycnoporus," 2020, DNA Research

Arthur F. J. Ram collaborates frequently with researchers including:

  • Mark Arentshorst
  • Sjoerd J. Seekles
  • Peter J. Punt
  • Han A. B. Wösten
  • Adrian Tsang

Their work appears often in scientific journals such as:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Fungal Biology and Biotechnology
  • G3 Genes Genomes Genetics
  • RSC Chemical Biology
  • The Cell Surface

Best Publications

  • Genome sequencing and analysis of the versatile cell factory Aspergillus niger CBS 513.88

    Herman J. Pel;Johannes H. De Winde;Johannes H. De Winde;David B. Archer;Paul S. Dyer

  • Agrobacterium -mediated transformation as a tool for functional genomics in fungi

    Caroline B. Michielse;Paul J. J. Hooykaas;Cees A. M. J. J. van den Hondel;Arthur F. J. Ram

  • Comparative genomics reveals high biological diversity and specific adaptations in the industrially and medically important fungal genus Aspergillus

    Ronald P. de Vries;Robert Riley;Ad Wiebenga;Guillermo Aguilar-Osorio

  • Growing a circular economy with fungal biotechnology: a white paper

    Vera Meyer;Evelina Y Basenko;J Philipp Benz;Gerhard H Braus

  • Identification of fungal cell wall mutants using susceptibility assays based on Calcofluor white and Congo red

    Arthur F J Ram;Frans M Klis

  • Large scale identification of genes involved in cell surface biosynthesis and architecture in Saccharomyces cerevisiae

    Marc Lussier;Ann-Marie White;Jane Sheraton;Tiziano di Paolo

  • In silicio identification of glycosyl-phosphatidylinositol-anchored plasma-membrane and cell wall proteins of Saccharomyces cerevisiae

    L.H.P. Caro;H. Tettelin;J.H. Vossen;A.F.J. Ram

  • A new approach for isolating cell wall mutants in Saccharomyces cerevisiae by screening for hypersensitivity to calcofluor white

    A.F.J. Ram;A. Wolters;R. ten Hoopen;F.M. Klis

  • Features and functions of covalently linked proteins in fungal cell walls.

    Piet W.J. De Groot;Arthur F. Ram;Frans M. Klis

  • Novel aspects of tomato root colonization and infection by Fusarium oxysporum f. sp. radicis-lycopersici revealed by confocal laser scanning microscopic analysis using the green fluorescent protein as a marker

    Anastasia L. Lagopodi;Arthur F. J. Ram;Gerda E. M. Lamers;Peter J. Punt

  • Highly efficient gene targeting in the Aspergillus niger kusA mutant.

    Vera Meyer;Mark Arentshorst;Aymen El-Ghezal;Ann-Christin Drews

  • Current challenges of research on filamentous fungi in relation to human welfare and a sustainable bio-economy: a white paper

    Vera Meyer;Mikael Rørdam Andersen;Axel A. Brakhage;Axel A. Brakhage;Gerhard H. Braus

  • Loss of the plasma membrane-bound protein Gas1p in Saccharomyces cerevisiae results in the release of beta1,3-glucan into the medium and induces a compensation mechanism to ensure cell wall integrity.

    A.F.J. Ram;J.C. Kapteyn;R.C. Montijn;L.H.P. Caro

  • Fungal Gene Expression on Demand: an Inducible, Tunable, and Metabolism-Independent Expression System for Aspergillus niger

    Vera Meyer;Franziska Wanka;Janneke van Gent;Mark Arentshorst

  • Agrobacterium -mediated transformation of the filamentous fungus Aspergillus awamori

    Caroline B Michielse;Paul J J Hooykaas;Cees A M J J van den Hondel;Arthur F J Ram

  • Altered extent of cross-linking of beta1,6-glucosylated mannoproteins to chitin in Saccharomyces cerevisiae mutants with reduced cell wall beta1,3-glucan content.

    J. C. Kapteyn;A. F. J. Ram;E. M. Groos;R. Kollar

  • Aspergillus as a multi-purpose cell factory: current status and perspectives.

    Vera Meyer;Bo Wu;Bo Wu;Arthur F. J. Ram

  • Expanding the ku70 toolbox for filamentous fungi: establishment of complementation vectors and recipient strains for advanced gene analyses

    Neuza D. S. P. Carvalho;Mark Arentshorst;Min Jin Kwon;Vera Meyer

  • The cell wall stress response in Aspergillus niger involves increased expression of the glutamine : fructose-6-phosphate amidotransferase-encoding gene (gfaA) and increased deposition of chitin in the cell wall

    Arthur F. J. Ram;Mark Arentshorst;Robbert A. Damveld;Patricia A. vanKuyk

  • Using Non-homologous End-Joining-Deficient Strains for Functional Gene Analyses in Filamentous Fungi

    Mark Arentshorst;Arthur F. J. Ram;Vera Meyer;Vera Meyer

  • Additional file 8: of Comparative genomics reveals high biological diversity and specific adaptations in the industrially and medically important fungal genus Aspergillus

    Ronald de Vries;Robert Riley;Ad Wiebenga;Guillermo Aguilar-Osorio

Frequent Co-Authors

Vera Meyer
Vera Meyer Technical University of Berlin
Peter J. Punt
Peter J. Punt Leiden University
Frans M. Klis
Frans M. Klis University of Amsterdam
Ronald P. de Vries
Ronald P. de Vries Utrecht University
Bernard Henrissat
Bernard Henrissat Technical University of Denmark
Jens Christian Frisvad
Jens Christian Frisvad Technical University of Denmark
Gerhard H. Braus
Gerhard H. Braus University of Göttingen
Jaap Visser
Jaap Visser Utrecht University
Eric Record
Eric Record INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement

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