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Microbiology
Japan
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 97 474 423 12 9 553 38425
Medicine 97 9198 8637 245 232 575 38759

Takaji Wakita publications per year

The chart shows the history of publications by Takaji Wakita between 1989 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takaji Wakita published across 37 years, from 1989 to 2025, averaging 16 papers a year. Output peaked at 38 publications in 2020. 16 of the 592 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1989 to 2025. Vertical axis: number of publications, 0 to 38. Peak 38 publications in 2020. 1989: 5 publications 1990: 4 publications 1991: 5 publications 1992: 2 publications 1993: 7 publications 1994: 3 publications 1995: 10 publications 1996: 4 publications 1997: 2 publications 1998: 4 publications 1999: 4 publications 2000: 2 publications 2001: 1 publication 2002: 0 publications 2003: 7 publications 2004: 3 publications 2005: 10 publications 2006: 14 publications 2007: 23 publications 2008: 28 publications 2009: 33 publications 2010: 29 publications 2011: 35 publications 2012: 37 publications 2013: 32 publications 2014: 31 publications 2015: 34 publications 2016: 30 publications 2017: 26 publications 2018: 25 publications 2019: 30 publications 2020: 38 publications 2021: 34 publications 2022: 18 publications 2023: 6 publications 2024: 7 publications 2025: 9 publications
1989 2025

592 publications in total across all disciplines

View publications per year as a table
Takaji Wakita: publications per year, 1989 to 2025
Year Publications
1989 5
1990 4
1991 5
1992 2
1993 7
1994 3
1995 10
1996 4
1997 2
1998 4
1999 4
2000 2
2001 1
2002 0
2003 7
2004 3
2005 10
2006 14
2007 23
2008 28
2009 33
2010 29
2011 35
2012 37
2013 32
2014 31
2015 34
2016 30
2017 26
2018 25
2019 30
2020 38
2021 34
2022 18
2023 6
2024 7
2025 9
Total 592
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Takaji Wakita 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 Takaji Wakita 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, 545–554 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: 553 publications — 96th percentile

96% 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 18 553
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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Takaji Wakita 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 Takaji Wakita 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, 97 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: 97 D-Index — 92nd percentile

92% 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
97 22 97
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

  • 2026 - Research.com Microbiology in Japan Leader Award
  • 2025 - Research.com Microbiology in Japan Leader Award

Overview

Takaji Wakita is affiliated with the National Institute of Infectious Diseases in Japan. Their research primarily focuses on medicine, with significant contributions in the subfields of epidemiology, infectious diseases, hepatology, molecular biology, and modeling and simulation.

Wakita's work encompasses various main topics, including the study of hepatitis B virus, hepatitis C virus, SARS-CoV-2 and COVID-19 research, liver disease diagnosis and treatment, as well as COVID-19 clinical and epidemiological studies. Their expertise is reflected across a substantial number of publications in these areas.

Frequent coauthors of Wakita include:

  • Koichi Watashi
  • Masamichi Muramatsu
  • Motoi Suzuki
  • Shingo Iwami
  • Takanobu Kato

The venues where Wakita has published regularly include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Journal of Virology
  • Emerging infectious diseases
  • International Journal of Molecular Sciences
  • iScience

Notable recent publications by Wakita are:

  • "Closed environments facilitate secondary transmission of coronavirus disease 2019 (COVID-19)", 2020, bioRxiv (Cold Spring Harbor Laboratory)
  • "Novel SARS-CoV-2 Variant in Travelers from Brazil to Japan", 2021, Emerging infectious diseases
  • "Potential anti-COVID-19 agents, cepharanthine and nelfinavir, and their usage for combination treatment", 2021, iScience
  • "Temporal maturation of neutralizing antibodies in COVID-19 convalescent individuals improves potency and breadth to circulating SARS-CoV-2 variants", 2021, Immunity
  • "Initial Investigation of Transmission of COVID-19 Among Crew Members During Quarantine of a Cruise Ship - Yokohama, Japan, February 2020", 2020, MMWR Morbidity and Mortality Weekly Report

Best Publications

  • Production of infectious hepatitis C virus in tissue culture from a cloned viral genome

    Takaji Wakita;Thomas Pietschmann;Takanobu Kato;Takanobu Kato;Tomoko Date

  • Robust hepatitis C virus infection in vitro

    Jin Zhong;Pablo Gastaminza;Guofeng Cheng;Sharookh Kapadia

  • The lipid droplet is an important organelle for hepatitis C virus production.

    Yusuke Miyanari;Kimie Atsuzawa;Nobuteru Usuda;Koichi Watashi

  • Detection of hepatitis C virus by polymerase chain reaction and response to interferon-α therapy: Relationship to genotypes of hepatitis C virus

    Kentaro Yoshioka;Shinichi Kakumu;Takaji Wakita;Tetsuya Ishikawa

  • Hepatitis C Virus Entry Depends on Clathrin-Mediated Endocytosis

    Emmanuelle Blanchard;Sandrine Belouzard;Lucie Goueslain;Takaji Wakita

  • Efficient replication of the genotype 2a hepatitis C virus subgenomic replicon

    Takanobu Kato;Tomoko Date;Michiko Miyamoto;Akihiro Furusaka

  • Human P-selectin glycoprotein ligand-1 is a functional receptor for enterovirus 71

    Yorihiro Nishimura;Masayuki Shimojima;Yoshio Tano;Tatsuo Miyamura

  • Production of infectious genotype 1a hepatitis C virus (Hutchinson strain) in cultured human hepatoma cells.

    Min Kyung Yi;Rodrigo A. Villanueva;David L. Thomas;Takaji Wakita

  • Interaction of Hepatitis C Virus Nonstructural Protein 5A with Core Protein Is Critical for the Production of Infectious Virus Particles

    Takahiro Masaki;Ryosuke Suzuki;Kyoko Murakami;Hideki Aizaki

  • The RNA sensor RIG-I dually functions as an innate sensor and direct antiviral factor for hepatitis B virus

    Seiichi Sato;Kai Li;Takeshi Kameyama;Takaya Hayashi

  • Induction of incomplete autophagic response by hepatitis C virus via the unfolded protein response

    Donna Sir;Wen-ling Chen;Jinah Choi;Takaji Wakita

  • Sequence analysis of hepatitis C virus isolated from a fulminant hepatitis patient.

    Takanobu Kato;Akihiro Furusaka;Michiko Miyamoto;Tomoko Date

  • DDX3 DEAD-Box RNA Helicase Is Required for Hepatitis C Virus RNA Replication

    Yasuo Ariumi;Misao Kuroki;Ken Ichi Abe;Hiromichi Dansako

  • The native form and maturation process of hepatitis C virus core protein.

    Kohichiroh Yasui;Takaji Wakita;Kyoko Tsukiyama-Kohara;Shin-Ichi Funahashi

  • Scavenger receptor class B type I is a key host factor for hepatitis C virus infection required for an entry step closely linked to CD81

    Mirjam B. Zeisel;George Koutsoudakis;Eva K. Schnober;Anita Haberstroh;Anita Haberstroh

  • Apolipoprotein B-dependent hepatitis C virus secretion is inhibited by the grapefruit flavonoid naringenin.

    Yaakov Nahmias;Jonathan Goldwasser;Monica Casali;Daan van Poll

  • Characterization of Cell Lines Allowing Tightly Regulated Expression of Hepatitis C Virus Core Protein

    Darius Moradpour;Christoph Englert;Takaji Wakita;Jack R. Wands

  • Closed environments facilitate secondary transmission of coronavirus disease 2019 (COVID-19)

    Hiroshi Nishiura;Hitoshi Oshitani;Tetsuro Kobayashi;Tomoya Saito

  • Cyclosporin A and its analogs inhibit hepatitis B virus entry into cultured hepatocytes through targeting a membrane transporter, sodium taurocholate cotransporting polypeptide (NTCP)

    Koichi Watashi;Ann Sluder;Takuji Daito;Takuji Daito;Satoko Matsunaga

  • Evaluation and identification of hepatitis B virus entry inhibitors using HepG2 cells overexpressing a membrane transporter NTCP.

    Masashi Iwamoto;Koichi Watashi;Koichi Watashi;Senko Tsukuda;Hussein Hassan Aly

Frequent Co-Authors

Koichi Watashi
Koichi Watashi National Institute of Infectious Diseases
Tetsuro Suzuki
Tetsuro Suzuki Hamamatsu University
Hideki Aizaki
Hideki Aizaki National Institutes of Health
Masamichi Muramatsu
Masamichi Muramatsu National Institutes of Health
Masashi Mizokami
Masashi Mizokami National Center For Global Health and Medicine
Yasuhito Tanaka
Yasuhito Tanaka Kumamoto University
Nobuyuki Kato
Nobuyuki Kato Okayama University
Hiroyuki Shimizu
Hiroyuki Shimizu National Institutes of Health
Tatsuo Miyamura
Tatsuo Miyamura National Institutes of Health
Tomoichiro Oka
Tomoichiro Oka National Institute of Infectious Diseases, Tokyo

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