World's Best Scientists 2026 revealed!
Hans-Martin Fischer

Hans-Martin Fischer

D-Index & Metrics

Microbiology

D-Index
48
Citations
6758
World Ranking
4721
National Ranking
111

Hans-Martin Fischer 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 Hans-Martin Fischer 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: 96 publications — 4th percentile

4% of scientists in this discipline score the same or lower.

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

Hans-Martin Fischer 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 Hans-Martin Fischer 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: 48 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Overview

Hans-Martin Fischer is affiliated with ETH Zurich in Switzerland and conducts research primarily within the Agricultural and Biological Sciences. Their subfields of study include Plant Science and Agronomy and Crop Science. The main topics of Fischer's work focus on Legume Nitrogen Fixing Symbiosis, Agronomic Practices and Intercropping Systems, Nematode Management and Characterization Studies, and Plant Nutrient Uptake and Metabolism.

The scientist has contributed to research published in venues such as mBio and the Repository for Publications and Research Data at ETH Zurich. Their recent papers include:

  • "Bradyrhizobium diazoefficiens Requires Chemical Chaperones To Cope with Osmotic Stress during Soybean Infection," 2021, mBio
  • "Salt- and Osmo-Responsive Sensor Histidine Kinases Activate the Bradyrhizobium diazoefficiens General Stress Response to Initiate Functional Symbiosis," 2022, Repository for Publications and Research Data (ETH Zurich)

Frequent co-authors collaborating with Fischer include Raphael Ledermann, Barbara Emmenegger, Julia A. Vorholt, Jean-Malo Couzigou, and Nicola Zamboni. These collaborations reflect interdisciplinary efforts within their fields of research.

Best Publications

  • Genetic regulation of nitrogen fixation in rhizobia.

    Hans Martin Fischer

  • Essential and non-essential domains in the Bradyrhizobium japonicum NifA protein: identification of indispensable cysteine residues potentially involved in redox reactivity and/or metal binding

    Hans-Martin Fischer;Thomas Bruderer;Hauke Hennecke

  • Genome-wide transcript analysis of Bradyrhizobium japonicum bacteroids in soybean root nodules.

    Gabriella Pessi;Christian H. Ahrens;Hubert Rehrauer;Andrea Lindemann

  • One member of a gro-ESL-like chaperonin multigene family in Bradyrhizobium japonicum is co-regulated with symbiotic nitrogen fixation genes.

    H.M. Fischer;M. Babst;T. Kaspar;G. Acuña

  • Bradyrhizobium japonicum has two differentially regulated, functional homologs of the sigma 54 gene (rpoN).

    I Kullik;S Fritsche;H Knobel;J Sanjuan

  • Simple procedure for distinguishing CCC, OC, and L forms of plasmid DNA by agarose gel electrophoresis.

    G. Hintermann;H.-M. Fischer;R. Crameri;R. Hütter

  • Two different mechanisms are involved in the heat‐shock regulation of chaperonin gene expression in Bradyrhizobium japonicum

    Markus Babst;Hauke Hennecke;Hans Martin Fischer

  • An integrated proteomics and transcriptomics reference data set provides new insights into the Bradyrhizobium japonicum bacteroid metabolism in soybean root nodules.

    Nathanaël Delmotte;Christian H. Ahrens;Claudia Knief;Ermir Qeli

  • 40Ar/39Ar and U–Pb dating of the Fish Canyon magmatic system, San Juan Volcanic field, Colorado: Evidence for an extended crystallization history

    O. Bachmann;F. Oberli;M.A. Dungan;M. Meier

  • Bradyrhizobium japonicum FixK2, a crucial distributor in the FixLJ-dependent regulatory cascade for control of genes inducible by low oxygen levels.

    D. Nellen-Anthamatten;P. Rossi;O. Preisig;I. Kullik

  • Comprehensive Assessment of the Regulons Controlled by the FixLJ-FixK2-FixK1 Cascade in Bradyrhizobium japonicum

    Socorro Mesa;Felix Hauser;Markus Friberg;Emmanuelle Malaguti

  • The pleiotropic nature of symbiotic regulatory mutants: Bradyrhizobium japonicum nifA gene is involved in control of nif gene expression and formation of determinate symbiosis.

    Hans-Martin Fischer;Ariel Alvarez-Morales;Hauke Hennecke

  • EXPRESSION OF THE FIXR-NIFA OPERON IN BRADYRHIZOBIUM JAPONICUM DEPENDS ON A NEW RESPONSE REGULATOR, REGR

    Evelyne Bauer;Thomas Kaspar;Hans-Martin Fischer;Hauke Hennecke

  • The PhyR‐σEcfG signalling cascade is involved in stress response and symbiotic efficiency in Bradyrhizobium japonicum

    Benjamin Gourion;Sandra Sulser;Julia Frunzke;Anne Francez‐Charlot

  • Dissection of the Bradyrhizobium japonicum NifA+σ54 regulon, and identification of a ferredoxin gene (fdxN) for symbiotic nitrogen fixation

    Felix Hauser;Gabriella Pessi;Markus Friberg;Christoph Weber

  • The origin of Alpine plutons along the Periadriatic Lineament.

    F. von Blanckenburg;H. Kagami;A. Deutsch;M. Wiedenbeck

  • Beyond the Fur paradigm: iron-controlled gene expression in rhizobia

    Gesine Rudolph;Hauke Hennecke;Hans-Martin Fischer

  • Bradyrhizobium japonicum NnrR, a Denitrification Regulator, Expands the FixLJ-FixK2 Regulatory Cascade

    Socorro Mesa;Eulogio J. Bedmar;Astrid Chanfon;Hauke Hennecke

  • Bradyrhizobium japonicum senses iron through the status of haem to regulate iron homeostasis and metabolism.

    Jianhua Yang;Indu Sangwan;Andrea Lindemann;Felix Hauser

  • Direct response of Bradyrhizobium japonicum nifA-mediated nif gene regulation to cellular oxygen status.

    Hans-Martin Fischer;Hauke Hennecke

Frequent Co-Authors

Hauke Hennecke
Hauke Hennecke ETH Zurich
Franz Narberhaus
Franz Narberhaus Ruhr University Bochum
Beat Thöny
Beat Thöny University of Zurich
Mikhail S. Gelfand
Mikhail S. Gelfand Skolkovo Institute of Science and Technology
Nicola Zamboni
Nicola Zamboni ETH Zurich
Jörg Vogel
Jörg Vogel University of Würzburg
Richard Reinhardt
Richard Reinhardt Max Planck Society
Cynthia M. Sharma
Cynthia M. Sharma University of Würzburg

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