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Takayuki Kohchi

Takayuki Kohchi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Genetics 76 1845 1755 71 67 230 18190

Takayuki Kohchi publications per year

The chart shows the history of publications by Takayuki Kohchi between 1985 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takayuki Kohchi published across 42 years, from 1985 to 2026, averaging 6.4 papers a year. Output peaked at 20 publications in 2016. 10 of the 268 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1985 to 2026. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2016. 1985: 1 publication 1986: 3 publications 1987: 2 publications 1988: 8 publications 1989: 3 publications 1990: 1 publication 1991: 2 publications 1992: 3 publications 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 0 publications 1997: 4 publications 1998: 1 publication 1999: 3 publications 2000: 6 publications 2001: 9 publications 2002: 4 publications 2003: 3 publications 2004: 7 publications 2005: 6 publications 2006: 4 publications 2007: 6 publications 2008: 4 publications 2009: 4 publications 2010: 3 publications 2011: 1 publication 2012: 6 publications 2013: 7 publications 2014: 12 publications 2015: 12 publications 2016: 20 publications 2017: 10 publications 2018: 14 publications 2019: 18 publications 2020: 9 publications 2021: 12 publications 2022: 17 publications 2023: 17 publications 2024: 15 publications 2025: 9 publications 2026: 1 publication
1985 2026

268 publications in total across all disciplines

View publications per year as a table
Takayuki Kohchi: publications per year, 1985 to 2026
Year Publications
1985 1
1986 3
1987 2
1988 8
1989 3
1990 1
1991 2
1992 3
1993 0
1994 0
1995 1
1996 0
1997 4
1998 1
1999 3
2000 6
2001 9
2002 4
2003 3
2004 7
2005 6
2006 4
2007 6
2008 4
2009 4
2010 3
2011 1
2012 6
2013 7
2014 12
2015 12
2016 20
2017 10
2018 14
2019 18
2020 9
2021 12
2022 17
2023 17
2024 15
2025 9
2026 1
Total 268
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Takayuki Kohchi publications per year - data summary

  • Takayuki Kohchi, a Genetics scholar from Kyoto University, has 268 publications recorded across 42 years, from 1985 to 2026.
  • The oldest publication on record dates to 1985 and the most recent to 2026.
  • The most productive year is 2016, with 20 publications.
  • The least productive years with any output are 1985, 1990, 1995, 1998 and others, with 1 publication each.
  • 3 of the 42 years in the span carry no publications at all (1993, 1994 and 1996).
  • The rate of publication averages 6.4 papers per year over the whole span, or 6.9 per year counting only the 39 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 59 publications, 22% of the career total.
  • Split into equal eras - 1985-1998: 29 publications (2.1 per year); 1999-2012: 66 publications (4.7 per year); 2013-2026: 173 publications (12.4 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Takayuki Kohchi publication distribution in Genetics in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Genetics in 2026. The highlighted bar marks where Takayuki Kohchi sits on this spectrum.

No. of scientists
50 100 150 200
Bar chart with 67 bars. Horizontal axis: publications, 45–54 to 703+. Vertical axis: number of scientists, 0 to 217. Most scientists, 217, have 125–134 publications. The last bar groups every scientist with 703 publications or more. The highlighted bar, 225–234 publications, is where this scientist sits. 45–54 publications: 6 scientists 55–64 publications: 10 scientists 65–74 publications: 35 scientists 75–84 publications: 84 scientists 85–94 publications: 102 scientists 95–104 publications: 151 scientists 105–114 publications: 175 scientists 115–124 publications: 203 scientists 125–134 publications: 217 scientists 135–144 publications: 205 scientists 145–154 publications: 193 scientists 155–164 publications: 188 scientists 165–174 publications: 170 scientists 175–184 publications: 178 scientists 185–194 publications: 164 scientists 195–204 publications: 173 scientists 205–214 publications: 159 scientists 215–224 publications: 134 scientists 225–234 publications: 143 scientists 235–244 publications: 105 scientists 245–254 publications: 114 scientists 255–264 publications: 92 scientists 265–274 publications: 88 scientists 275–284 publications: 87 scientists 285–294 publications: 80 scientists 295–304 publications: 62 scientists 305–314 publications: 75 scientists 315–324 publications: 67 scientists 325–334 publications: 60 scientists 335–344 publications: 52 scientists 345–354 publications: 40 scientists 355–364 publications: 48 scientists 365–374 publications: 47 scientists 375–384 publications: 46 scientists 385–394 publications: 31 scientists 395–404 publications: 27 scientists 405–414 publications: 40 scientists 415–424 publications: 30 scientists 425–434 publications: 43 scientists 435–444 publications: 29 scientists 445–454 publications: 14 scientists 455–464 publications: 28 scientists 465–474 publications: 21 scientists 475–484 publications: 21 scientists 485–494 publications: 22 scientists 495–504 publications: 17 scientists 505–514 publications: 12 scientists 515–524 publications: 11 scientists 525–534 publications: 8 scientists 535–544 publications: 8 scientists 545–554 publications: 14 scientists 555–564 publications: 4 scientists 565–574 publications: 11 scientists 575–584 publications: 5 scientists 585–594 publications: 11 scientists 595–604 publications: 12 scientists 605–614 publications: 7 scientists 615–624 publications: 6 scientists 625–634 publications: 10 scientists 635–644 publications: 9 scientists 645–654 publications: 10 scientists 655–664 publications: 6 scientists 665–674 publications: 6 scientists 675–684 publications: 6 scientists 685–694 publications: 4 scientists 695–702 publications: 6 scientists 703+ publications: 100 scientists
45–54 publications 703+

This scientist: 230 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 703 publications or more.

View publications distribution as a table
Number of Genetics scientists by publication count, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
Publications Scientists This scientist
45–54 6
55–64 10
65–74 35
75–84 84
85–94 102
95–104 151
105–114 175
115–124 203
125–134 217
135–144 205
145–154 193
155–164 188
165–174 170
175–184 178
185–194 164
195–204 173
205–214 159
215–224 134
225–234 143 230
235–244 105
245–254 114
255–264 92
265–274 88
275–284 87
285–294 80
295–304 62
305–314 75
315–324 67
325–334 60
335–344 52
345–354 40
355–364 48
365–374 47
375–384 46
385–394 31
395–404 27
405–414 40
415–424 30
425–434 43
435–444 29
445–454 14
455–464 28
465–474 21
475–484 21
485–494 22
495–504 17
505–514 12
515–524 11
525–534 8
535–544 8
545–554 14
555–564 4
565–574 11
575–584 5
585–594 11
595–604 12
605–614 7
615–624 6
625–634 10
635–644 9
645–654 10
655–664 6
665–674 6
675–684 6
685–694 4
695–702 6
703+ 100
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Takayuki Kohchi publication distribution in Genetics in 2026 - data summary

  • The chart plots the publication count of all 4,342 Genetics scientists ranked by Research.com in 2026, grouped into 67 ranges running from 45–54 to 703+ publications.
  • Takayuki Kohchi, a Genetics scholar from Kyoto University, records 230 publications - the 61st percentile of the discipline.
  • 61% of ranked Genetics scientists score the same or lower than Takayuki Kohchi, and about 39% score higher.
  • The median of the discipline falls in the 195–204 publications range, and Takayuki Kohchi ranks above the median.
  • The most crowded range is 125–134 publications, holding 217 scientists (5% of the field).
  • 56% of the field sits in the lowest quarter of the value range (up to 205–214 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 703 publications or more, 100 scientists in all (2% of the field).

Takayuki Kohchi D-index placement in Genetics in 2026

The chart shows the D-index (discipline H-index) distribution of Genetics scientists ranked by Research.com in 2026. The highlighted bar marks where Takayuki Kohchi sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 160+. Vertical axis: number of scientists, 0 to 191. Most scientists, 191, have 62–63 D-Index. The last bar groups every scientist with 160 D-Index or more. The highlighted bar, 76–77 D-Index, is where this scientist sits. 40–41 D-Index: 24 scientists 42–43 D-Index: 52 scientists 44–45 D-Index: 84 scientists 46–47 D-Index: 112 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 141 scientists 52–53 D-Index: 143 scientists 54–55 D-Index: 145 scientists 56–57 D-Index: 179 scientists 58–59 D-Index: 162 scientists 60–61 D-Index: 175 scientists 62–63 D-Index: 191 scientists 64–65 D-Index: 172 scientists 66–67 D-Index: 184 scientists 68–69 D-Index: 164 scientists 70–71 D-Index: 158 scientists 72–73 D-Index: 150 scientists 74–75 D-Index: 136 scientists 76–77 D-Index: 127 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 111 scientists 82–83 D-Index: 110 scientists 84–85 D-Index: 110 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 102 scientists 90–91 D-Index: 66 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 70 scientists 96–97 D-Index: 54 scientists 98–99 D-Index: 60 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 55 scientists 104–105 D-Index: 45 scientists 106–107 D-Index: 42 scientists 108–109 D-Index: 28 scientists 110–111 D-Index: 39 scientists 112–113 D-Index: 25 scientists 114–115 D-Index: 31 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 34 scientists 120–121 D-Index: 29 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 27 scientists 128–129 D-Index: 22 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 11 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 21 scientists 140–141 D-Index: 4 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 14 scientists 146–147 D-Index: 6 scientists 148–149 D-Index: 10 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 9 scientists 154–155 D-Index: 8 scientists 156–157 D-Index: 8 scientists 158–159 D-Index: 9 scientists 160+ D-Index: 96 scientists
40–41 D-Index 160+

This scientist: 76 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 160 D-Index or more.

View D-Index distribution as a table
Number of Genetics scientists by D-index, Research.com 2026 ranking edition. Based on 4,342 ranked scientists.
D-Index Scientists This scientist
40–41 24
42–43 52
44–45 84
46–47 112
48–49 118
50–51 141
52–53 143
54–55 145
56–57 179
58–59 162
60–61 175
62–63 191
64–65 172
66–67 184
68–69 164
70–71 158
72–73 150
74–75 136
76–77 127 76
78–79 127
80–81 111
82–83 110
84–85 110
86–87 84
88–89 102
90–91 66
92–93 72
94–95 70
96–97 54
98–99 60
100–101 49
102–103 55
104–105 45
106–107 42
108–109 28
110–111 39
112–113 25
114–115 31
116–117 29
118–119 34
120–121 29
122–123 29
124–125 18
126–127 27
128–129 22
130–131 16
132–133 11
134–135 17
136–137 12
138–139 21
140–141 4
142–143 9
144–145 14
146–147 6
148–149 10
150–151 7
152–153 9
154–155 8
156–157 8
158–159 9
160+ 96
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Takayuki Kohchi D-index placement in Genetics in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 4,342 Genetics scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 160+ D-Index.
  • Takayuki Kohchi, a Genetics scholar from Kyoto University, records 76 D-Index - the 59th percentile of the discipline.
  • 59% of ranked Genetics scientists score the same or lower than Takayuki Kohchi, and about 41% score higher.
  • The median of the discipline falls in the 70–71 D-Index range, and Takayuki Kohchi ranks above the median.
  • The most crowded range is 62–63 D-Index, holding 191 scientists (4% of the field).
  • 51% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 160 D-Index or more, 96 scientists in all (2% of the field).

Overview

Takayuki Kohchi is a researcher affiliated with Kyoto University in Japan. Their work primarily focuses on Agricultural and Biological Sciences, with significant contributions to the fields of Biochemistry, Genetics, and Molecular Biology. Within these broader fields, their research emphasizes Plant Science and Molecular Biology, alongside interests in Ecology, Evolution, Behavior, and Systematics.

The scientist's research covers a range of topics, particularly within Plant Molecular Biology Research, Plant Reproductive Biology, and Bryophyte Studies and Records. Other research areas include Plant Parasitism and Resistance, Photosynthetic Processes and Mechanisms, Botany and Plant Ecology Studies, and Plant nutrient uptake and metabolism.

Takayuki Kohchi has collaborated frequently with several coauthors, including:

  • Ryuichi Nishihama
  • Shohei Yamaoka
  • Kimitsune Ishizaki
  • Katsuyuki T. Yamato
  • John L. Bowman

Their publications have appeared regularly in key journals such as:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Plant and Cell Physiology
  • Current Biology
  • Nature Plants
  • The Plant Cell

Notable recent papers include:

  • Chromatin Organization in Early Land Plants Reveals an Ancestral Association between H3K27me3, Transposons, and Constitutive Heterochromatin, 2020, Current Biology
  • Development and Molecular Genetics of Marchantia polymorpha, 2021, Annual Review of Plant Biology
  • Design principles of a minimal auxin response system, 2020, Nature Plants
  • The renaissance and enlightenment of Marchantia as a model system, 2022, The Plant Cell
  • Induction of Multichotomous Branching by CLAVATA Peptide in Marchantia polymorpha, 2020, Current Biology

Best Publications

  • Chloroplast gene organization deduced from complete sequence of liverwort Marchantia polymorpha chloroplast DNA

    Kanji Ohyama;Hideya Fukuzawa;Takayuki Kohchi;Hiromasa Shirai;Hiromasa Shirai

  • Insights into Land Plant Evolution Garnered from the Marchantia polymorpha Genome

    John L Bowman;Takayuki Kohchi;Katsuyuki T Yamato;Jerry Jenkins

  • Gene organization deduced from the complete sequence of liverwort Marchantia polymorpha mitochondrial DNA. A primitive form of plant mitochondrial genome

    Kenji Oda;Katsuyuki Yamato;Eiji Ohta;Yasukazu Nakamura

  • The Arabidopsis Photomorphogenic Mutant hy1 Is Deficient in Phytochrome Chromophore Biosynthesis as a Result of a Mutation in a Plastid Heme Oxygenase

    Takuya Muramoto;Takayuki Kohchi;Takayuki Kohchi;Akiho Yokota;Inhwan Hwang

  • The tify family previously known as ZIM.

    Bartel Vanholme;Wim Grunewald;Alex Bateman;Takayuki Kohchi

  • Agrobacterium-mediated transformation of the haploid liverwort Marchantia polymorpha L., an emerging model for plant biology.

    Kimitsune Ishizaki;Shota Chiyoda;Katsuyuki T. Yamato;Takayuki Kohchi

  • The Arabidopsis HY2 gene encodes phytochromobilin synthase, a ferredoxin-dependent biliverdin reductase.

    Takayuki Kohchi;Keiko Mukougawa;Nicole Frankenberg;Munehisa Masuda

  • CRISPR/Cas9-mediated targeted mutagenesis in the liverwort Marchantia polymorpha L.

    Shigeo S. Sugano;Makoto Shirakawa;Junpei Takagi;Yoriko Matsuda

  • Efficient Agrobacterium-Mediated Transformation of the Liverwort Marchantia polymorpha Using Regenerating Thalli

    Akane Kubota;Kimitsune Ishizaki;Masashi Hosaka;Takayuki Kohchi

  • Functional Genomic Analysis of the HY2 Family of Ferredoxin-Dependent Bilin Reductases from Oxygenic Photosynthetic Organisms

    Nicole Frankenberg;Keiko Mukougawa;Takayuki Kohchi;J. Clark Lagarias

  • Development of Gateway Binary Vector Series with Four Different Selection Markers for the Liverwort Marchantia polymorpha

    Kimitsune Ishizaki;Ryuichi Nishihama;Minoru Ueda;Keisuke Inoue

  • Molecular Genetic Tools and Techniques for Marchantia polymorpha Research

    Kimitsune Ishizaki;Ryuichi Nishihama;Katsuyuki T. Yamato;Takayuki Kohchi

  • Ligand-receptor co-evolution shaped the jasmonate pathway in land plants.

    Isabel Monte;Sakiko Ishida;Angel M. Zamarreño;Mats Hamberg

  • Responses of wild watermelon to drought stress: accumulation of an ArgE homologue and citrulline in leaves during water deficits.

    Shinji Kawasaki;Chikahiro Miyake;Takayuki Kohchi;Shinichiro Fujii

  • Efficient CRISPR/Cas9-based genome editing and its application to conditional genetic analysis in Marchantia polymorpha

    Shigeo S. Sugano;Ryuichi Nishihama;Makoto Shirakawa;Junpei Takagi

  • Expression and Biochemical Properties of a Ferredoxin-Dependent Heme Oxygenase Required for Phytochrome Chromophore Synthesis

    Takuya Muramoto;Noriyuki Tsurui;Matthew J. Terry;Akiho Yokota

  • Auxin-Mediated Transcriptional System with a Minimal Set of Components Is Critical for Morphogenesis through the Life Cycle in Marchantia polymorpha

    Hirotaka Kato;Kimitsune Ishizaki;Masaru Kouno;Makoto Shirakawa

  • Homologous recombination-mediated gene targeting in the liverwort Marchantia polymorpha L

    Kimitsune Ishizaki;Yasuyo Johzuka-Hisatomi;Sakiko Ishida;Shigeru Iida

  • Metabolic engineering to produce phytochromes with phytochromobilin, phycocyanobilin, or phycoerythrobilin chromophore in Escherichia coli.

    Keiko Mukougawa;Keiko Mukougawa;Hirosuke Kanamoto;Toshikazu Kobayashi;Toshikazu Kobayashi;Akiho Yokota

Frequent Co-Authors

Kimitsune Ishizaki
Kimitsune Ishizaki Kobe University
Ryuichi Nishihama
Ryuichi Nishihama Tokyo University of Science
Katsuyuki T. Yamato
Katsuyuki T. Yamato Kindai University
Akiho Yokota
Akiho Yokota Nara Institute of Science and Technology
John L. Bowman
John L. Bowman Monash University
Hideya Fukuzawa
Hideya Fukuzawa Kyoto University
Takashi Ueda
Takashi Ueda National Institute for Basic Biology
Kazuhiko Umesono
Kazuhiko Umesono Kyoto University
Frédéric Berger
Frédéric Berger Austrian Academy of Sciences
Yasukazu Nakamura
Yasukazu Nakamura National Institute of Genetics

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