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 67 2305 2106 948 842 142 13886

J. Glenn Songer publications per year

The chart shows the history of publications by J. Glenn Songer between 1974 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. J. Glenn Songer published across 51 years, from 1974 to 2024, averaging 2.9 papers a year. Output peaked at 12 publications in 2016. 1 of the 148 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1974 to 2024. Vertical axis: number of publications, 0 to 12. Peak 12 publications in 2016. 1974: 2 publications 1975: 0 publications 1976: 3 publications 1977: 0 publications 1978: 1 publication 1979: 1 publication 1980: 0 publications 1981: 3 publications 1982: 0 publications 1983: 1 publication 1984: 1 publication 1985: 0 publications 1986: 1 publication 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 2 publications 1991: 1 publication 1992: 0 publications 1993: 2 publications 1994: 4 publications 1995: 1 publication 1996: 2 publications 1997: 6 publications 1998: 4 publications 1999: 3 publications 2000: 7 publications 2001: 3 publications 2002: 9 publications 2003: 8 publications 2004: 6 publications 2005: 8 publications 2006: 8 publications 2007: 5 publications 2008: 4 publications 2009: 9 publications 2010: 8 publications 2011: 3 publications 2012: 7 publications 2013: 6 publications 2014: 2 publications 2015: 1 publication 2016: 12 publications 2017: 1 publication 2018: 1 publication 2019: 0 publications 2020: 1 publication 2021: 0 publications 2022: 0 publications 2023: 0 publications 2024: 1 publication
1974 2024

148 publications in total across all disciplines

View publications per year as a table
J. Glenn Songer: publications per year, 1974 to 2024
Year Publications
1974 2
1975 0
1976 3
1977 0
1978 1
1979 1
1980 0
1981 3
1982 0
1983 1
1984 1
1985 0
1986 1
1987 0
1988 0
1989 0
1990 2
1991 1
1992 0
1993 2
1994 4
1995 1
1996 2
1997 6
1998 4
1999 3
2000 7
2001 3
2002 9
2003 8
2004 6
2005 8
2006 8
2007 5
2008 4
2009 9
2010 8
2011 3
2012 7
2013 6
2014 2
2015 1
2016 12
2017 1
2018 1
2019 0
2020 1
2021 0
2022 0
2023 0
2024 1
Total 148
Download as CSV

J. Glenn Songer 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 J. Glenn Songer 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, 135–144 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: 142 publications — 22nd percentile

22% 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
135–144 288 142
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
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
Download as CSV

J. Glenn Songer 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 J. Glenn Songer 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, 67 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: 67 D-Index — 60th percentile

60% 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 67
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
Download as CSV

Research.com Recognitions

  • 2009 - Fellow of the American Academy of Microbiology Animal Health Microbiology

Overview

J. Glenn Songer is affiliated with the University of Arizona in the United States. Their research primarily spans the fields of Medicine and Biochemistry, Genetics and Molecular Biology, with a focus on subfields such as Infectious Diseases, Molecular Biology, and Epidemiology.

The scientist's main research topics include:

  • Clostridium difficile and Clostridium perfringens research
  • Gut microbiota and health
  • Mycobacterium research and diagnosis

Songer has contributed to research published in the Journal of Clinical Microbiology. Among recent publications is a 2024 paper titled "Retraction for Waters et al., 'Genotyping and Phenotyping of Beta2-Toxigenic Clostridium perfringens Fecal Isolates Associated with Gastrointestinal Diseases in Piglets'" appearing in the same journal.

The scientist has collaborated with several co-authors including:

  • Michael J. Waters
  • Amanda Savoie
  • Helen S. Garmory
  • Dawn M. Bueschel
  • Michel R. Popoff

J. Glenn Songer was awarded the title Fellow of the American Academy of Microbiology in 2009, recognised specifically in the area of Animal Health Microbiology.

Best Publications

  • Expansion of the Clostridium perfringens toxin-based typing scheme.

    Julian I. Rood;Vicki Adams;Jake Lacey;Dena Lyras

  • Clostridium difficile in Retail Meat Products, USA, 2007

    J. Glenn Songer;Hien T. Trinh;George E. Killgore;Angela D. Thompson

  • Skewed genomic variability in strains of the toxigenic bacterial pathogen, Clostridium perfringens

    Garry S.A. Myers;David A. Rasko;David A. Rasko;Jackie K. Cheung;Jacques Ravel

  • Prevalence of PCR Ribotypes among Clostridium difficile Isolates from Pigs, Calves, and Other Species

    M. Kevin Keel;Jon S. Brazier;Karen W. Post;Scott Weese

  • Clostridial enteric infections in pigs.

    J. Glenn Songer;Francisco A. Uzal

  • Bacterial phospholipases and their role in virulence.

    J. Glenn Songer

  • Diagnosis of Clostridium perfringens intestinal infections in sheep and goats.

    Francisco A. Uzal;J. Glenn Songer

  • Occurrence of Clostridium perfringens β2-toxin amongst animals, determined using genotyping and subtyping PCR assays

    H. S. Garmory;N. Chanter;N. P. French;D. Bueschel

  • A cytolysin encoded by Salmonella is required for survival within macrophages.

    S J Libby;W Goebel;A Ludwig;N Buchmeier

  • Clostridium difficile: an important pathogen of food animals.

    J. Glenn Songer;Michael A. Anderson

  • Comparative Phylogenomics of Clostridium difficile Reveals Clade Specificity and Microevolution of Hypervirulent Strains

    R. A. Stabler;D. N. Gerding;J. G. Songer;D. Drudy

  • Prevalence of cpb2, encoding beta2 toxin, in Clostridium perfringens field isolates: correlation of genotype with phenotype

    Dawn M. Bueschel;B. Helen Jost;Stephen J. Billington;Hien T. Trinh

  • Comparison of Western immunoblots and gene detection assays for identification of potentially enterotoxigenic isolates of Clostridium perfringens.

    J. F. Kokai-Kun;J. G. Songer;J. R. Czeczulin;Futai Chen

  • Necrotic enteritis in chickens: A paradigm of enteric infection by Clostridium perfringens type A

    Kerry K. Cooper;J. Glenn Songer

  • Clostridia as agents of zoonotic disease.

    J. Glenn Songer

  • Genotyping ofClostridium perfringensby Polymerase Chain Reaction is a Useful Adjunct to Diagnosis of Clostridial Enteric Disease in Animals

    J.Glenn Songer;Ralph R. Meer

  • Neutralization of Clostridium difficile Toxin A with Single-domain Antibodies Targeting the Cell Receptor Binding Domain

    Greg Hussack;Greg Hussack;Mehdi Arbabi-Ghahroudi;Mehdi Arbabi-Ghahroudi;Henk van Faassen;J. Glenn Songer

  • Thiol-activated cytolysins: structure, function and role in pathogenesis.

    Stephen J. Billington;B.Helen Jost;J.Glenn Songer

  • Zoonotic transfer of Clostridium difficile harboring antimicrobial resistance between farm animals and humans.

    C. W. Knetsch;N. Kumar;S. C. Forster;S. C. Forster;S. C. Forster;Thomas Connor

  • Genotyping and Phenotyping of Beta2-Toxigenic Clostridium perfringens Fecal Isolates Associated with Gastrointestinal Diseases in Piglets

    Michael Waters;Amanda Savoie;Helen S. Garmory;Dawn Bueschel

  • Veterinary Microbiology: Bacterial and Fungal Agents of Animal Disease

    J. Glenn Songer;Karen W. Post

  • Pathogenesis of Bacterial Infections in Animals: Gyles/Pathogenesis of Bacterial Infections in Animals

    Carlton L. Gyles;John F. Prescott;J. Glenn Songer;Charles O. Thoen

Frequent Co-Authors

Francisco A. Uzal
Francisco A. Uzal University of California, Davis
Julian I. Rood
Julian I. Rood Monash University
Bruce A. McClane
Bruce A. McClane University of Pittsburgh
Michel R. Popoff
Michel R. Popoff Institut Pasteur
Dena Lyras
Dena Lyras Monash University
Brandi Limbago
Brandi Limbago Centers for Disease Control and Prevention
John F. Prescott
John F. Prescott University of Guelph
J. Scott Weese
J. Scott Weese University of Guelph
Richard W. Titball
Richard W. Titball University of Exeter
Mahfuzur R. Sarker
Mahfuzur R. Sarker Oregon State University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring online degrees related to Microbiology can open doors to diverse career pathways. For those looking to advance quickly, programs like the fastest and easiest online mph programs provide a streamlined route to public health expertise, complementing microbiology knowledge effectively.

Career options extend beyond traditional lab roles. For example, becoming a certified child life specialist salary reflects opportunities in healthcare settings focused on pediatric patient support, blending science with emotional care.

Individuals with unique backgrounds may find encouragement in the best degrees for felons resource, which highlights accessible online programs that foster career growth despite past challenges.

Another emerging field is functional medicine, where the functional medicine np salary showcases the potential earnings for specialized nurse practitioners. This pathway combines a scientific approach with personalized patient care, ideal for those with a microbiology background seeking clinical roles.

Best Scientists Citing J. Glenn Songer

Trending Scientists

Recently Published Articles