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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 69 2064 1883 63 57 464 16046

Hiroshi Takagi publications per year

The chart shows the history of publications by Hiroshi Takagi between 1954 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroshi Takagi published across 72 years, from 1954 to 2025, averaging 10.1 papers a year. Output peaked at 37 publications in 1997. 21 of the 725 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1954 to 2025. Vertical axis: number of publications, 0 to 37. Peak 37 publications in 1997. 1954: 1 publication 1955: 0 publications 1956: 0 publications 1957: 0 publications 1958: 0 publications 1959: 0 publications 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 1 publication 1972: 4 publications 1973: 4 publications 1974: 5 publications 1975: 4 publications 1976: 3 publications 1977: 5 publications 1978: 3 publications 1979: 3 publications 1980: 4 publications 1981: 2 publications 1982: 4 publications 1983: 2 publications 1984: 12 publications 1985: 7 publications 1986: 12 publications 1987: 15 publications 1988: 15 publications 1989: 10 publications 1990: 12 publications 1991: 15 publications 1992: 19 publications 1993: 15 publications 1994: 29 publications 1995: 19 publications 1996: 20 publications 1997: 37 publications 1998: 13 publications 1999: 15 publications 2000: 12 publications 2001: 8 publications 2002: 13 publications 2003: 14 publications 2004: 13 publications 2005: 10 publications 2006: 14 publications 2007: 17 publications 2008: 15 publications 2009: 29 publications 2010: 15 publications 2011: 15 publications 2012: 25 publications 2013: 18 publications 2014: 13 publications 2015: 19 publications 2016: 20 publications 2017: 17 publications 2018: 18 publications 2019: 17 publications 2020: 22 publications 2021: 21 publications 2022: 16 publications 2023: 13 publications 2024: 10 publications 2025: 11 publications
1954 2025

725 publications in total across all disciplines

View publications per year as a table
Hiroshi Takagi: publications per year, 1954 to 2025
Year Publications
1954 1
1955 0
1956 0
1957 0
1958 0
1959 0
1960 0
1961 0
1962 0
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 1
1972 4
1973 4
1974 5
1975 4
1976 3
1977 5
1978 3
1979 3
1980 4
1981 2
1982 4
1983 2
1984 12
1985 7
1986 12
1987 15
1988 15
1989 10
1990 12
1991 15
1992 19
1993 15
1994 29
1995 19
1996 20
1997 37
1998 13
1999 15
2000 12
2001 8
2002 13
2003 14
2004 13
2005 10
2006 14
2007 17
2008 15
2009 29
2010 15
2011 15
2012 25
2013 18
2014 13
2015 19
2016 20
2017 17
2018 18
2019 17
2020 22
2021 21
2022 16
2023 13
2024 10
2025 11
Total 725
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Hiroshi Takagi 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 Hiroshi Takagi 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, 455–464 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: 464 publications — 93rd percentile

93% 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 25 464
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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Hiroshi Takagi 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 Hiroshi Takagi 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, 69 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: 69 D-Index — 64th percentile

64% 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 69
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

Hiroshi Takagi is affiliated with the Nara Institute of Science and Technology in Japan. The researcher's work centers on the field of Biochemistry, Genetics and Molecular Biology, with a significant focus on Molecular Biology as a subfield. Their research spans multiple related areas including Food Science, Cell Biology, Plant Science, and Physiology.

Their main topics of study encompass:

  • Fungal and yeast genetics research
  • Microbial Metabolic Engineering and Bioproduction
  • Fermentation and Sensory Analysis
  • Polyamine Metabolism and Applications
  • Endoplasmic Reticulum Stress and Disease
  • Nitric Oxide and Endothelin Effects
  • Biofuel production and bioconversion

Takagi has contributed to numerous publications, including:

  • "Crystal structure of a YeeE/YedE family protein engaged in thiosulfate uptake" (2020) published in Science Advances
  • "Molecular mechanisms and highly functional development for stress tolerance of the yeast Saccharomyces cerevisiae" (2021) published in Bioscience Biotechnology and Biochemistry
  • "High-Level Production of Lysine in the Yeast Saccharomyces cerevisiae by Rational Design of Homocitrate Synthase" (2021) published in Applied and Environmental Microbiology
  • "Genomic stability and adaptation of beer brewing yeasts during serial repitching in the brewery" (2020) published in bioRxiv (Cold Spring Harbor Laboratory)
  • "Enhancement of lysine biosynthesis confers high-temperature stress tolerance to Escherichia coli cells" (2021) published in Applied Microbiology and Biotechnology

Frequent co-authors in Takagi's research include:

  • Akira Nishimura
  • Ryoya Tanahashi
  • Shota Isogai
  • Ryo Nasuno
  • Yoichi Toyokawa

The researcher's work is often disseminated through several prominent scientific publication venues such as:

  • Bioscience Biotechnology and Biochemistry
  • FEMS Yeast Research
  • Applied Microbiology and Biotechnology
  • Yeast
  • Applied and Environmental Microbiology

Best Publications

  • Microbial alkaline proteases: From a bioindustrial viewpoint

    C.Ganesh Kumar;Hiroshi Takagi

  • Requirement of pro-sequence for the production of active subtilisin E in Escherichia coli.

    H Ikemura;H Takagi;M Inouye

  • Loss of H19 Imprinting in Esophageal Cancer

    Kenji Hibi;Hajime Nakamura;Atsushi Hirai;Yoshihiro Fujikake

  • Proline as a stress protectant in yeast: physiological functions, metabolic regulations, and biotechnological applications

    Hiroshi Takagi

  • Loss of α-tubulin polyglutamylation in ROSA22 mice is associated with abnormal targeting of KIF1A and modulated synaptic function

    Koji Ikegami;Robb L. Heier;Midori Taruishi;Hiroshi Takagi

  • Production and characterization of keratinase of a feather-degrading Bacillus licheniformis PWD-1

    Shu-Wen Cheng;Hsien-Ming Hu;Shu-Whei Shen;Hiroshi Takagi

  • Identification and Functional Analysis of Escherichia coli Cysteine Desulfhydrases

    Naoki Awano;Masaru Wada;Hirotada Mori;Shigeru Nakamori

  • ε-Poly- L -lysine dispersity is controlled by a highly unusual nonribosomal peptide synthetase

    Kazuya Yamanaka;Chitose Maruyama;Chitose Maruyama;Hiroshi Takagi;Hiroshi Takagi;Yoshimitsu Hamano

  • Enhancement of the thermostability of subtilisin E by introduction of a disulfide bond engineered on the basis of structural comparison with a thermophilic serine protease

    H Takagi;T Takahashi;H Momose;M Inouye

  • Metabolic engineering of Saccharomyces cerevisiae for astaxanthin production and oxidative stress tolerance.

    Ken Ukibe;Keisuke Hashida;Nobuyuki Yoshida;Hiroshi Takagi

  • The L-cysteine/L-cystine shuttle system provides reducing equivalents to the periplasm in Escherichia coli.

    Iwao Ohtsu;Natthawut Wiriyathanawudhiwong;Susumu Morigasaki;Takeshi Nakatani

  • Isolation of freeze-tolerant laboratory strains of Saccharomyces cerevisiae from proline-analogue-resistant mutants.

    H Takagi;F Iwamoto;S Nakamori

  • Effect of L-proline on sake brewing and ethanol stress in Saccharomyces cerevisiae.

    Hiroshi Takagi;Miki Takaoka;Akari Kawaguchi;Yoshito Kubo

  • Molecular Cloning of the Gene for Microbial Transglutaminase from Streptoverticillium and Its Expression in Streptomyces lividans

    Kinya Washizu;Keiichi Ando;Satoshi Koikeda;Susumu Hirose

  • The nucleus reticularis gigantocellularis of the medulla oblongata is a highly sensitive site in the production of morphine analgesia in the rat

    Hiroshi Takagi;Masamichi Satoh;Akinori Akaike;Takashi Shibata

  • Proline accumulation by mutation or disruption of the proline oxidase gene improves resistance to freezing and desiccation stresses in Saccharomyces cerevisiae

    Hiroshi Takagi;Kuumi Sakai;Kana Morida;Shigeru Nakamori

  • Folding pathway mediated by an intramolecular chaperone: propeptide release modulates activation precision of pro-subtilisin.

    Yukihiro Yabuta;Yukihiro Yabuta;Hiroshi Takagi;Masayori Inouye;Ujwal Shinde

  • N-Acetyltransferase Mpr1 confers ethanol tolerance on Saccharomyces cerevisiae by reducing reactive oxygen species

    Xiaoyi Du;Hiroshi Takagi

  • Overproduction of l-Cysteine and l-Cystine by Escherichia coli Strains with a Genetically Altered Serine Acetyltransferase

    Shigeru Nakamori;Shin-ichiro Kobayashi;Chitose Kobayashi;Hiroshi Takagi

  • Role of the yeast acetyltransferase Mpr1 in oxidative stress: Regulation of oxygen reactive species caused by a toxic proline catabolism intermediate

    Michiyo Nomura;Hiroshi Takagi

Frequent Co-Authors

Akimasa Nakao
Akimasa Nakao Nagoya University
Hiroshi Ueda
Hiroshi Ueda Kyoto University
Masayori Inouye
Masayori Inouye Rutgers, The State University of New Jersey
Shinobu Inagaki
Shinobu Inagaki Osaka University
Akinori Akaike
Akinori Akaike Kyoto University
Hidemi Misawa
Hidemi Misawa Keio University
Makoto Sato
Makoto Sato University of Fukui
Sakayu Shimizu
Sakayu Shimizu Kyoto University

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