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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 83 991 892 28 27 592 24530

Roger Stephan publications per year

The chart shows the history of publications by Roger Stephan between 1975 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Roger Stephan published across 51 years, from 1975 to 2025, averaging 13.4 papers a year. Output peaked at 48 publications in 2013. 45 of the 683 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1975 to 2025. Vertical axis: number of publications, 0 to 48. Peak 48 publications in 2013. 1975: 1 publication 1976: 0 publications 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 1 publication 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 1 publication 1986: 1 publication 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 1 publication 1995: 0 publications 1996: 2 publications 1997: 3 publications 1998: 0 publications 1999: 4 publications 2000: 7 publications 2001: 7 publications 2002: 4 publications 2003: 11 publications 2004: 9 publications 2005: 21 publications 2006: 18 publications 2007: 15 publications 2008: 21 publications 2009: 17 publications 2010: 22 publications 2011: 28 publications 2012: 30 publications 2013: 48 publications 2014: 35 publications 2015: 35 publications 2016: 44 publications 2017: 44 publications 2018: 36 publications 2019: 37 publications 2020: 35 publications 2021: 39 publications 2022: 32 publications 2023: 27 publications 2024: 26 publications 2025: 19 publications
1975 2025

683 publications in total across all disciplines

View publications per year as a table
Roger Stephan: publications per year, 1975 to 2025
Year Publications
1975 1
1976 0
1977 1
1978 0
1979 0
1980 0
1981 1
1982 0
1983 0
1984 1
1985 1
1986 1
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 1
1995 0
1996 2
1997 3
1998 0
1999 4
2000 7
2001 7
2002 4
2003 11
2004 9
2005 21
2006 18
2007 15
2008 21
2009 17
2010 22
2011 28
2012 30
2013 48
2014 35
2015 35
2016 44
2017 44
2018 36
2019 37
2020 35
2021 39
2022 32
2023 27
2024 26
2025 19
Total 683
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Roger Stephan 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 Roger Stephan sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 585–594 publications, is where this scientist sits. 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
55–64 publications 679+

This scientist: 592 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235
125–134 234
135–144 288
145–154 265
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234
205–214 208
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34
455–464 25
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12
565–574 7
575–584 9
585–594 9 592
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Roger Stephan 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 Roger Stephan sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 83 D-Index, is where this scientist sits. 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: 83 D-Index — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134
56 112
57 136
58 162
59 151
60 139
61 123
62 126
63 144
64 109
65 103
66 124
67 112
68 103
69 131
70 94
71 93
72 96
73 92
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77 83
84 50
85 45
86 42
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95
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Overview

Roger Stephan is affiliated with the University of Zurich in Switzerland. Their research spans several core areas within biochemical, genetic, and molecular biological sciences, with a significant focus on medical and agricultural biological sciences.

Their main fields of study include:

  • Biochemistry, Genetics and Molecular Biology
  • Medicine
  • Agricultural and Biological Sciences

Within these fields, they concentrate on various subfields such as:

  • Food Science
  • Molecular Biology
  • Endocrinology
  • Biotechnology
  • Infectious Diseases

Their research covers a range of topics primarily related to microbial pathogens and antimicrobial resistance. Notable topics include:

  • Listeria monocytogenes in Food Safety
  • Antibiotic Resistance in Bacteria
  • Salmonella and Campylobacter epidemiology
  • Enterobacteriaceae and Cronobacter Research
  • Bacteriophages and microbial interactions
  • Mycobacterium research and diagnosis
  • Antimicrobial Resistance in Staphylococcus

Roger Stephan has published extensively in several scientific journals. Frequently published venues include:

  • Microbiology Resource Announcements
  • Microorganisms
  • Frontiers in Microbiology
  • Journal of Food Protection
  • Frontiers in Veterinary Science

Some examples of recent papers authored or co-authored by Roger Stephan are:

  • Mobile fosfomycin resistance genes in Enterobacteriaceae-An increasing threat, 2020, MicrobiologyOpen
  • Environmental dissemination of carbapenemase-producing Enterobacteriaceae in rivers in Switzerland, 2020, Environmental Pollution
  • Cross-Border Emergence of Escherichia coli Producing the Carbapenemase NDM-5 in Switzerland and Germany, 2020, Journal of Clinical Microbiology
  • Environmental dissemination of pathogenic Listeria monocytogenes in flowing surface waters in Switzerland, 2021, Scientific Reports
  • Reuterin Demonstrates Potent Antimicrobial Activity Against a Broad Panel of Human and Poultry Meat Campylobacter spp. Isolates, 2020, Microorganisms

Frequent collaborators with whom Roger Stephan has worked include:

  • Magdalena Nüesch-Inderbinen
  • Michael Biggel
  • Marc J. A. Stevens
  • Nicole Cernela
  • Katrin Zurfluh

Best Publications

  • Cronobacter gen. nov., a new genus to accommodate the biogroups of Enterobacter sakazakii, and proposal of Cronobacter sakazakii gen. nov., comb. nov., Cronobacter malonaticus sp. nov., Cronobacter turicensis sp. nov., Cronobacter muytjensii sp. nov., Cronobacter dublinensis sp. nov., Cronobacter genomospecies 1, and of three subspecies, Cronobacter dublinensis subsp. dublinensis subsp. nov., Cronobacter dublinensis subsp. lausannensis subsp. nov. and Cronobacter dublinensis subsp. lactaridi subsp. nov.

    Carol Iversen;Niall Mullane;Barbara McCardell;Ben D. Tall

  • Mycobacterium avium subspecies paratuberculosis and Crohn's disease: a systematic review and meta-analysis.

    Martin Feller;Karin Huwiler;Roger Stephan;Ekkehardt Altpeter

  • Occurrence and characteristics of extended-spectrum β-lactamase (ESBL) producing Enterobacteriaceae in food producing animals, minced meat and raw milk

    Nadine Geser;Roger Stephan;Herbert Hächler

  • The taxonomy of Enterobacter sakazakii: proposal of a new genus Cronobacter gen. nov. and descriptions of Cronobacter sakazakii comb. nov. Cronobacter sakazakii subsp. sakazakii, comb. nov., Cronobacter sakazakii subsp. malonaticus subsp. nov., Cronobacter turicensis sp. nov., Cronobacter muytjensii sp. nov., Cronobacter dublinensis sp. nov. and Cronobacter genomospecies 1

    Carol Iversen;Carol Iversen;Angelika Lehner;Niall Mullane;Eva Bidlas

  • Characteristics of Extended-Spectrum β-Lactamase- and Carbapenemase-Producing Enterobacteriaceae Isolates from Rivers and Lakes in Switzerland

    Katrin Zurfluh;Herbert Hächler;Magdalena Nüesch-Inderbinen;Roger Stephan

  • Electrolyzed water and its application in the food industry.

    D Hricova;Roger Stephan;C Zweifel

  • Listeria monocytogenes: food-borne pathogen and hygiene indicator.

    T H Jemmi;R Stephan

  • Phenotypic and genotypic characteristics of Staphylococcus aureus isolates from raw bulk-tank milk samples of goats and sheep

    D Scherrer;S Corti;J.E Muehlherr;C Zweifel

  • Prevalence and characteristics of meticillin-resistant Staphylococcus aureus in humans in contact with farm animals, in livestock, and in food of animal origin, Switzerland, 2009.

    H Huber;S Koller;N Giezendanner;Roger Stephan

  • Microbiological Quality of Raw Goat's and Ewe's Bulk-Tank Milk in Switzerland

    J.E. Muehlherr;C. Zweifel;S. Corti;J.E. Blanco

  • Role of cold shock proteins in growth of Listeria monocytogenes under cold and osmotic stress conditions.

    Barbara Schmid;Jochen Klumpp;Eveline Raimann;Martin J. Loessner

  • Microbiological, epidemiological, and food safety aspects of Enterobacter sakazakii.

    A. Lehner;R. Stephan

  • Biofilm formation, extracellular polysaccharide production, and cell-to-cell signaling in various Enterobacter sakazakii strains: aspects promoting environmental persistence.

    Angelika Lehner;Kathrin Riedel;Leo Eberl;Pieter Breeuwer

  • Characterization of enterotoxigenic Staphylococcus aureus strains isolated from bovine mastitis in north-east Switzerland.

    R Stephan;C Annemüller;A.A Hassan;Ch Lämmler

  • Occurrence of the Plasmid-Borne mcr-1 Colistin Resistance Gene in Extended-Spectrum-β-Lactamase-Producing Enterobacteriaceae in River Water and Imported Vegetable Samples in Switzerland.

    Katrin Zurfuh;Laurent Poirel;Patrice Nordmann;Magdalena Nüesch-Inderbinen

  • Antimicrobial activity of decontamination treatments for poultry carcasses: A literature survey

    Marianne Loretz;Roger Stephan;Claudio Zweifel

  • Cold stress tolerance of Listeria monocytogenes: A review of molecular adaptive mechanisms and food safety implications.

    T. Tasara;R. Stephan

  • Spices and herbs as source of Salmonella-related foodborne diseases

    Claudio Zweifel;Roger Stephan

  • Outbreak of staphylococcal food poisoning among children and staff at a Swiss boarding school due to soft cheese made from raw milk.

    Sophia Johler;Delphine Weder;Claude Bridy;Marie-Claude Huguenin

  • Prevalence of pathogenic Yersinia enterocolitica in pigs slaughtered at a Swiss abattoir.

    Maria Fredriksson-Ahomaa;Andreas Stolle;Roger Stephan

  • Evaluation of housekeeping genes in Listeria monocytogenes as potential internal control references for normalizing mRNA expression levels in stress adaptation models using real-time PCR

    Taurai Tasara;Roger Stephan

  • Extended-Spectrum-β-Lactamase-Producing Enterobacteriaceae Isolated from Vegetables Imported from the Dominican Republic, India, Thailand, and Vietnam

    Katrin Zurfluh;Magdalena Nüesch-Inderbinen;Marina Morach;Annina Zihler Berner

  • Prevalence and characteristics of methicillin-resistant coagulase-negative staphylococci from livestock, chicken carcasses, bulk tank milk, minced meat, and contact persons

    Helen Huber;Dominik Ziegler;Valentin Pflüger;Guido Vogel

  • Molecular Identification of Extended-Spectrum-β-Lactamase Genes from Enterobacteriaceae Isolated from Healthy Human Carriers in Switzerland

    Nadine Geser;Roger Stephan;Bozena M. Korczak;Lothar Beutin

  • Epidemiology of virulence-associated plasmids and outer membrane protein patterns within seven common Salmonella serotypes

    Unknown

Frequent Co-Authors

Angelika Lehner
Angelika Lehner University of Zurich
Séamus Fanning
Séamus Fanning University College Dublin
Patrice Nordmann
Patrice Nordmann University of Fribourg
Laurent Poirel
Laurent Poirel University of Fribourg
Lothar Beutin
Lothar Beutin Federal Institute for Risk Assessment
Katharina D.C. Stärk
Katharina D.C. Stärk Royal Veterinary College
Ben D. Tall
Ben D. Tall US Food and Drug Administration
Guido V. Bloemberg
Guido V. Bloemberg University of Zurich
Thomas Rattei
Thomas Rattei University of Vienna
Leo Eberl
Leo Eberl University of Zurich

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