World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 50 4506 4144 307 281 208 7163

Helmut Hotzel publications per year

The chart shows the history of publications by Helmut Hotzel between 1993 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Helmut Hotzel published across 33 years, from 1993 to 2025, averaging 7 papers a year. Output peaked at 22 publications in 2021. 2 of the 230 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1993 to 2025. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2021. 1993: 3 publications 1994: 0 publications 1995: 0 publications 1996: 2 publications 1997: 2 publications 1998: 8 publications 1999: 4 publications 2000: 7 publications 2001: 2 publications 2002: 3 publications 2003: 9 publications 2004: 5 publications 2005: 9 publications 2006: 8 publications 2007: 12 publications 2008: 13 publications 2009: 6 publications 2010: 3 publications 2011: 7 publications 2012: 15 publications 2013: 8 publications 2014: 2 publications 2015: 9 publications 2016: 11 publications 2017: 7 publications 2018: 11 publications 2019: 11 publications 2020: 15 publications 2021: 22 publications 2022: 4 publications 2023: 10 publications 2024: 1 publication 2025: 1 publication
1993 2025

230 publications in total across all disciplines

View publications per year as a table
Helmut Hotzel: publications per year, 1993 to 2025
Year Publications
1993 3
1994 0
1995 0
1996 2
1997 2
1998 8
1999 4
2000 7
2001 2
2002 3
2003 9
2004 5
2005 9
2006 8
2007 12
2008 13
2009 6
2010 3
2011 7
2012 15
2013 8
2014 2
2015 9
2016 11
2017 7
2018 11
2019 11
2020 15
2021 22
2022 4
2023 10
2024 1
2025 1
Total 230
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Helmut Hotzel 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 Helmut Hotzel 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, 205–214 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: 208 publications — 52nd percentile

52% 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
205–214 208 208
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
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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Helmut Hotzel 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 Helmut Hotzel 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, 50 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: 50 D-Index — 20th percentile

20% 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 50
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
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

Helmut Hotzel is affiliated with the Friedrich-Loeffler-Institut in Germany. Their research primarily spans the fields of Biochemistry, Genetics and Molecular Biology, Agricultural and Biological Sciences, and Medicine. Within these, they have contributed extensively to subfields including Food Science, Molecular Biology, Infectious Diseases, Molecular Medicine, and Ecology.

The scientist's main topics of research focus on Salmonella and Campylobacter epidemiology, Antimicrobial Resistance in Staphylococcus, and Antibiotic Resistance in Bacteria. Additional areas of work include Bacteriophages and microbial interactions, Bacterial Identification and Susceptibility Testing, Microbial infections and disease research, and Bacterial biofilms and quorum sensing.

Among their recent publications are:

  • Phenotypic and Molecular Detection of Biofilm Formation in Staphylococcus aureus Isolated from Different Sources in Algeria, 2020, Pathogens
  • Characterization of Enterococci- and ESBL-Producing Escherichia coli Isolated from Milk of Bovides with Mastitis in Egypt, 2021, Pathogens
  • Characterization of Staphylococci and Streptococci Isolated from Milk of Bovides with Mastitis in Egypt, 2020, Pathogens
  • Characterisation of S. aureus/MRSA CC1153 and review of mobile genetic elements carrying the fusidic acid resistance gene fusC, 2021, Scientific Reports
  • Genomic Analysis and Antimicrobial Resistance of Aliarcobacter cryaerophilus Strains From German Water Poultry, 2020, Frontiers in Microbiology

Frequent co-authors in Helmut Hotzel's research include Herbert Tomaso, Heinrich Neubauer, Stefan Monecke, Hosny El-Adawy, and Štefan Schwarz. Collaboration with these peers has contributed to multiple studies and findings.

Their work has been published predominantly in venues such as Zenodo (CERN European Organization for Nuclear Research), Pathogens, Frontiers in Microbiology, International Journal of Molecular Sciences, and Frontiers in Veterinary Science.

Best Publications

  • Optimized DNA microarray assay allows detection and genotyping of single PCR-amplifiable target copies

    Ralf Ehricht;Peter Slickers;Stefanie Goellner;Helmut Hotzel

  • Microarray based study on virulence-associated genes and resistance determinants of Staphylococcus aureus isolates from cattle.

    Stefan Monecke;Peter Kuhnert;Helmut Hotzel;Peter Slickers

  • Detection of the genetic modification in heat-treated products of Bt maize by polymerase chain reaction

    Christine Hupfer;Helmut Hotzel;Konrad Sachse;Karl-Heinz Engel

  • Evidence of interspecies transmission and reassortment among avian group A rotaviruses.

    Thomas Schumann;Helmut Hotzel;Peter Otto;Reimar Johne

  • DNA microarray-based detection and identification of Chlamydia and Chlamydophila spp.

    Konrad Sachse;Helmut Hotzel;Peter Slickers;Thomas Ellinger

  • Chlamydophila psittaci infections in humans during an outbreak of psittacosis from poultry in Germany.

    W. Gaede;K.F. Reckling;B. Dresenkamp;S. Kenklies

  • Genotyping of Chlamydophila psittaci using a new DNA microarray assay based on sequence analysis of ompA genes.

    Konrad Sachse;Karine Laroucau;Helmut Hotzel;Evelyn Schubert

  • Transcriptional response patterns of Chlamydophila psittaci in different in vitro models of persistent infection.

    Stefanie Goellner;Evelyn Schubert;Elisabeth Liebler-Tenorio;Helmut Hotzel

  • Molecular biological identification of Babesia, Theileria, and Anaplasma species in cattle in Egypt using PCR assays, gene sequence analysis and a novel DNA microarray

    Maged El-Ashker;Maged El-Ashker;Helmut Hotzel;Mayada Mosad Ahmed Shaaban Gwida;M. El-Beskawy

  • Diversity of Staphylococcus aureus Isolates in European Wildlife.

    Stefan Monecke;Dolores Gavier-Widén;Helmut Hotzel;Martin Peters

  • Occurrence of Salmonella enterica and Escherichia coli in raw chicken and beef meat in northern Egypt and dissemination of their antibiotic resistance markers

    Amira A. Moawad;Helmut Hotzel;Omnia Awad;Herbert Tomaso

  • Direct identification of chlamydiae from clinical samples using a DNA microarray assay-A validation study

    Nicole Borel;Evelyne Kempf;Helmut Hotzel;Evelyn Schubert

  • Comparison of 13 single-round and nested PCR assays targeting IS900, ISMav2, f57 and locus 255 for detection of Mycobacterium avium subsp. paratuberculosis.

    Petra Möbius;Helmut Hotzel;Astrid Rassbach;Heike Köhler

  • Evaluation of PCR systems for the identification and differentiation of Mycoplasma agalactiae and Mycoplasma bovis: a collaborative trial.

    John B. Bashiruddin;Joachim Frey;Malin Heldtander Königsson;Karl-Erik Johansson

  • Detection of Mycoplasma bovis in preservative-treated field milk samples

    C.C. Pinnow;J.A. Butler;K. Sachse;H. Hotzel

  • Use of a novel real-time PCR technique to monitor and quantitate Mycoplasma bovis infection in cattle herds with mastitis and respiratory disease

    Konrad Sachse;Hala S.H. Salam;Hala S.H. Salam;Roland Diller;Evelyn Schubert

  • Leukocidin genes lukF-P83 and lukM are associated with taphylococcus aureus clonal complexes 151, 479 and 133 isolated from bovine udder infections in Thuringia, Germany

    Katharina Schlotter;Ralf Ehricht;Helmut Hotzel;Stefan Monecke

  • An unusual cause of sepsis during pregnancy: recognizing infection with chlamydophila abortus.

    Gernot Walder;Helmut Hotzel;Christoph Brezinka;Walter Gritsch

  • Nested Reverse Transcriptase-Polymerase Chain Reaction for the Detection of Group A Rotaviruses

    Mandy C. Elschner;Jutta Prudlo;Helmut Hotzel;Peter Otto

  • High Genetic Diversity among Mycobacterium avium subsp. paratuberculosis Strains from German Cattle Herds Shown by Combination of IS900 Restriction Fragment Length Polymorphism Analysis and Mycobacterial Interspersed Repetitive Unit-Variable-Number Tandem-Repeat Typing

    Petra Möbius;Gabriele Luyven;Helmut Hotzel;Heike Köhler

  • Neospora caninum and Waddlia chondrophila strain 2032/99 in a septic stillborn calf.

    Klaus Henning;Gereon Schares;Harald Granzow;Ulf Polster

Frequent Co-Authors

Herbert Tomaso
Herbert Tomaso Friedrich-Loeffler-Institut
Konrad Sachse
Konrad Sachse Friedrich Schiller University Jena
Ralf Ehricht
Ralf Ehricht Leibniz Institute of Photonic Technology
Stefan Monecke
Stefan Monecke Leibniz Institute of Photonic Technology
Heinrich Neubauer
Heinrich Neubauer Friedrich-Loeffler-Institut
Hafez M. Hafez
Hafez M. Hafez Freie Universität Berlin
Falk Melzer
Falk Melzer Friedrich-Loeffler-Institut
Reimar Johne
Reimar Johne Federal Institute for Risk Assessment
David C. Coleman
David C. Coleman Trinity College Dublin
Karl-Heinz Engel
Karl-Heinz Engel Technical University of Munich

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