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 96 498 443 231 193 283 38401
Genetics 93 973 919 479 449 271 31606

Alexander D. Johnson publications per year

The chart shows the history of publications by Alexander D. Johnson between 1978 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Alexander D. Johnson published across 48 years, from 1978 to 2025, averaging 7.7 papers a year. Output peaked at 103 publications in 2002. 11 of the 368 publications appeared in the last two years.

No. of publications
25 50 75 100
Bar chart. Horizontal axis: year, 1978 to 2025. Vertical axis: number of publications, 0 to 103. Peak 103 publications in 2002. 1978: 1 publication 1979: 1 publication 1980: 3 publications 1981: 1 publication 1982: 2 publications 1983: 1 publication 1984: 0 publications 1985: 2 publications 1986: 0 publications 1987: 1 publication 1988: 3 publications 1989: 2 publications 1990: 0 publications 1991: 3 publications 1992: 5 publications 1993: 7 publications 1994: 8 publications 1995: 10 publications 1996: 2 publications 1997: 4 publications 1998: 4 publications 1999: 5 publications 2000: 9 publications 2001: 3 publications 2002: 103 publications 2003: 7 publications 2004: 2 publications 2005: 9 publications 2006: 6 publications 2007: 5 publications 2008: 4 publications 2009: 8 publications 2010: 10 publications 2011: 5 publications 2012: 4 publications 2013: 17 publications 2014: 10 publications 2015: 9 publications 2016: 11 publications 2017: 18 publications 2018: 6 publications 2019: 8 publications 2020: 17 publications 2021: 11 publications 2022: 2 publications 2023: 8 publications 2024: 1 publication 2025: 10 publications
1978 2025

368 publications in total across all disciplines

View publications per year as a table
Alexander D. Johnson: publications per year, 1978 to 2025
Year Publications
1978 1
1979 1
1980 3
1981 1
1982 2
1983 1
1984 0
1985 2
1986 0
1987 1
1988 3
1989 2
1990 0
1991 3
1992 5
1993 7
1994 8
1995 10
1996 2
1997 4
1998 4
1999 5
2000 9
2001 3
2002 103
2003 7
2004 2
2005 9
2006 6
2007 5
2008 4
2009 8
2010 10
2011 5
2012 4
2013 17
2014 10
2015 9
2016 11
2017 18
2018 6
2019 8
2020 17
2021 11
2022 2
2023 8
2024 1
2025 10
Total 368
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Alexander D. Johnson 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 Alexander D. Johnson 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, 275–284 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: 283 publications — 74th percentile

74% 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
275–284 148 283
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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Alexander D. Johnson 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 Alexander D. Johnson 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, 96 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: 96 D-Index — 91st percentile

91% 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
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 96
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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Research.com Recognitions

  • 2011 - Member of the National Academy of Sciences
  • 2007 - Fellow of the American Academy of Arts and Sciences
  • 1976 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1882 - Fellow of the Royal Society of Canada

Overview

Alexander D. Johnson is affiliated with the University of California, San Francisco in the United States. Their research primarily spans the fields of Medicine and Biochemistry, Genetics and Molecular Biology, with significant contributions in Molecular Biology, Epidemiology, Infectious Diseases, Food Science, and Oncology.

The main topics covered in Johnson's extensive body of work include antifungal resistance and susceptibility, fungal infections and studies, fungal and yeast genetics research, probiotics and fermented foods, Pneumocystis jirovecii pneumonia detection and treatment, gut microbiota and health, and gene regulatory network analysis.

Johnson's recent published papers demonstrate a focus on fungal biology and genetics, biofilm formation, and pathogen adaptation. Notable papers include:

  • Combination of Antifungal Drugs and Protease Inhibitors Prevent Candida albicans Biofilm Formation and Disrupt Mature Biofilms (2020, Frontiers in Microbiology)
  • Evolution of the complex transcription network controlling biofilm formation in Candida species (2021, eLife)
  • Genetic and behavioral adaptation of Candida parapsilosis to the microbiome of hospitalized infants revealed by in situ genomics, transcriptomics, and proteomics (2021, Microbiome)
  • Protein-coding changes preceded cis-regulatory gains in a newly evolved transcription circuit (2020, Science)
  • Lineage-specific selection and the evolution of virulence in the Candida clade (2021, Proceedings of the National Academy of Sciences)

Frequent co-authors collaborating with Johnson include:

  • Matthew B. Lohse
  • Clarissa J. Nobile
  • Naomi Ziv
  • Odalys Estefania Lara Garcia
  • Ruby Maini

Johnson has published multiple times in several prominent venues. Their frequent publication venues comprise:

  • Journal of Clinical Oncology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Proceedings of the National Academy of Sciences
  • Genetics
  • Frontiers in Microbiology

Throughout their career, Alexander D. Johnson has been recognized with several honors, including being named a Fellow of the American Academy of Arts and Sciences in 2007 and a Member of the National Academy of Sciences in 2011.

Best Publications

  • Candida albicans Biofilms and Human Disease.

    Clarissa J. Nobile;Alexander D. Johnson

  • Global analysis of Cdk1 substrate phosphorylation sites provides insights into evolution

    Liam J. Holt;Brian B. Tuch;Judit Villén;Alexander D. Johnson

  • Ssn6-Tup1 is a general repressor of transcription in yeast.

    Cynthia A. Keleher;Michael J. Redd;Janet Schultz;Marian Carlson

  • A Recently Evolved Transcriptional Network Controls Biofilm Development in Candida albicans

    Clarissa J. Nobile;Emily P. Fox;Jeniel E. Nett;Trevor R. Sorrells

  • White-Opaque Switching in Candida albicans Is Controlled by Mating-Type Locus Homeodomain Proteins and Allows Efficient Mating

    Mathew G. Miller;Alexander D. Johnson

  • Control of Filament Formation in Candida albicans by the Transcriptional Repressor TUP1

    Burkhard R. Braun;Alexander D. Johnson

  • Quantitative model for gene regulation by lambda phage repressor

    Gary K. Ackers;Alexander D. Johnson;Madeline A. Shea

  • Systematic screens of a Candida albicans homozygous deletion library decouple morphogenetic switching and pathogenicity

    Suzanne M Noble;Sarah French;Lisa A Kohn;Victoria Chen

  • Evidence for mating of the "asexual" yeast Candida albicans in a mammalian host.

    Christina M. Hull;Ryan M. Raisner;Alexander D. Johnson

  • Strains and strategies for large-scale gene deletion studies of the diploid human fungal pathogen Candida albicans.

    Suzanne M. Noble;Alexander D. Johnson

  • Crystal structure of a MATα2 homeodomain-operator complex suggests a general model for homeodomain-DNA interactions

    Cynthia Wolberger;Andrew K. Vershon;Beishan Liu;Alexander D. Johnson

  • Development and regulation of single- and multi-species Candida albicans biofilms.

    Matthew B. Lohse;Megha Gulati;Alexander D. Johnson;Clarissa J. Nobile

  • How the λ repressor and cro work

    M. Ptashne;A. Jeffrey;A.D. Johnson;R. Maurer

  • lambda Repressor and cro--components of an efficient molecular switch.

    Alexander D. Johnson;Anthony R. Poteete;Anthony R. Poteete;Gail Lauer;Robert T. Sauer

  • Net1, a Sir2-associated nucleolar protein required for rDNA silencing and nucleolar integrity.

    Aaron F Straight;Wenying Shou;Gustave J Dowd;Christoph W Turck

  • A phenotypic profile of the Candida albicans regulatory network.

    Oliver R. Homann;Jeanselle Dea;Suzanne M. Noble;Alexander D. Johnson

  • Identification of a mating type-like locus in the asexual pathogenic yeast Candida albicans

    Christina M. Hull;Alexander D. Johnson

  • Turning genes off by Ssn6–Tup1: a conserved system of transcriptional repression in eukaryotes

    Rebecca L Smith;Alexander D Johnson

  • Completion of a parasexual cycle in Candida albicans by induced chromosome loss in tetraploid strains

    Richard J. Bennett;Alexander D. Johnson

  • Identification and Characterization of TUP1-Regulated Genes in Candida albicans

    B R Braun;W S Head;M X Wang;A D Johnson

  • A repressor (MATα2 product) and its operator control expression of a set of cell type specific genes in yeast

    Alexander D. Johnson;Ira Herskowitz

  • Interactions between DNA-bound repressors govern regulation by the λ phage repressor

    Alexander D. Johnson;Barbara J. Meyer;Mark Ptashne

Frequent Co-Authors

Bruce Alberts
Bruce Alberts University of California, San Francisco
Keith Roberts
Keith Roberts John Innes Centre
Peter Walter
Peter Walter University of California, San Francisco
Martin Raff
Martin Raff University College London
Clarissa J. Nobile
Clarissa J. Nobile University of California, Merced
David O. Morgan
David O. Morgan University of California, San Francisco
Joseph D. Puglisi
Joseph D. Puglisi Stanford University
David R. Andes
David R. Andes University of Wisconsin–Madison
Charles S. Craik
Charles S. Craik University of California, San Francisco
Joseph L. DeRisi
Joseph L. DeRisi University of California, San Francisco

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