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Yasukatsu Oshima

Yasukatsu Oshima

D-Index & Metrics

Biology and Biochemistry

D-Index
55
Citations
12415
World Ranking
14939
National Ranking
1056

Yasukatsu Oshima publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Yasukatsu Oshima sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 142 publications — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Yasukatsu Oshima D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Yasukatsu Oshima sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 55 D-Index — 25th percentile

25% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Yasukatsu Oshima is affiliated with Tohoku University in Japan, engaging in research at the intersection of environmental science and molecular biology. Their work primarily addresses marine toxins, protist diversity, and chemical synthesis related to natural marine products.

The scientist has published extensively on topics including marine toxins and detection methods, protist diversity and phylogeny, chemical synthesis and alkaloids, marine and coastal ecosystems, microbial community ecology and physiology, marine sponges and natural products, and microbial natural products and biosynthesis.

Frequent coauthors collaborating with Oshima include Keiichi Konoki, Mari Yotsu-Yamashita, Yuko Cho, Takuo Omura, and Shigeki Tsuchiya.

Their publications are often found in specialized journals such as Harmful Algae, Marine Drugs, Chemistry - A European Journal, Chemistry - An Asian Journal, and NIPPON SUISAN GAKKAISHI.

  • SxtA localizes to chloroplasts and changes to its 3'UTR may reduce toxin biosynthesis in non-toxic Alexandrium catenella (Group I), 2021, Harmful Algae
  • First Identification of 12β-Deoxygonyautoxin 5 (12α-Gonyautoxinol 5) in the Cyanobacterium Dolichospermum circinale (TA04) and 12β-Deoxysaxitoxin (12α-Saxitoxinol) in D. circinale (TA04) and the Dinoflagellate Alexandrium pacificum (Group IV) (120518KureAC), 2022, Marine Drugs
  • Metabolic inhibitor induces dynamic changes in saxitoxin biosynthesis and metabolism in the dinoflagellate Alexandrium pacificum (Group IV) under in vivo labeling condition, 2022, Harmful Algae
  • Intracellular abundance, localization, and enzymatic activity of a saxitoxin biosynthesis enzyme, SxtG, in two sister subclones of the dinoflagellate Alexandrium catenella with extremely different levels of paralytic shellfish toxins, 2024, Harmful Algae
  • Synthesis and Identification of decarbamoyloxySaxitoxins in Toxic Microalgae and their Reactions with the Oxygenase, SxtT, Reveal Saxitoxin Biosynthesis, 2024, Chemistry - A European Journal

The core fields of Oshima's research comprise environmental science, with seven publications focusing on environmental chemistry, and biochemistry, genetics, and molecular biology, supported by multiple works in molecular biology and organic chemistry. Studies also encompass oceanography and ecology as important subfields.

Best Publications

  • Diarrhetic shellfish toxins

    T. Yasumoto;M. Murata;Y. Oshima;M. Sano

  • Postcolumn derivatization liquid chromatographic method for paralytic shellfish toxins

    Yasukatsu Oshima

  • Occurrence of a new type of shellfish poisoning in the Tohoku district.

    Takeshi Yasumoto;Yasukatsu Oshima;Magoichi Yamaguchi

  • The first evidence of paralytic shellfish toxins in the freshwater cyanobacterium Cylindrospermopsis raciborskii, isolated from Brazil

    Néstor Lagos;Hideyuki Onodera;Pedro Antonio Zagatto;Darı́o Andrinolo

  • Isolation and structural elucidation of the causative toxin of the diarrhetic shellfish poisoning.

    Michio Murata;Masaharu Shimatani;Hiroshi Sugitani;Yasukatsu Oshima

  • Two analogs of azaspiracid isolated from mussels, Mytilus edulis, involved in human intoxication in Ireland

    Katsuya Ofuji;Masayuki Satake;Terry McMahon;Joe Silke

  • New saxitoxin analogues from the freshwater filamentous cyanobacterium Lyngbya wollei

    Hideyuki Onodera;Masayuki Satake;Yasukatsu Oshima;Takeshi Yasumoto

  • Comparative study on paralytic shellfish toxin profiles of the dinoflagellate Gymnodinium catenatum from three different countries

    Y. Oshima;S. I. Blackburn;G. M. Hallegraeff

  • Spirolides B and D, two novel macrocycles isolated from the digestive glands of shellfish

    Tingmo Hu;Jonathan M. Curtis;Yasukatsu Oshima;Michael A. Quilliam

  • Dinoflagellate Gymnodinium catenatum as the source of paralytic shellfish toxins in Tasmanian shellfish

    Yasukatsu Oshima;Mamiko Hasegawa;Takeshi Yasumoto;Gustaaf Hallegraeff

  • Paralytic shellfish toxins in the freshwater cyanobacterium Aphanizomenon flos-aquae, isolated from Montargil reservoir, Portugal.

    Paulo Pereira;Hideyuki Onodera;Darı́o Andrinolo;Susana Franca

  • Structures of Azaspiracid Analogs, Azaspiracid-4 and Azaspiracid-5, Causative Toxins of Azaspiracid Poisoning in Europe

    Katsuya Ofuji;Masayuki Satake;Terry Mcmahon;Kevin J. James

  • The structures of five new antifungal and hemolytic amphidinol analogs from Amphidinium carterae collected in New Zealand

    Reiko Echigoya;Lesley Rhodes;Yasukatsu Oshima;Masayuki Satake

  • Some chemical properties of maitotoxin, a putative calcium channel agonist isolated from a marine dinoflagellate.

    Akihiro Yokoyama;Michio Murata;Yasukatsu Oshima;Takashi Iwashita

  • Structure Elucidation of Ostreocin D, a Palytoxin Analog Isolated from the Dinoflagellate Ostreopsis siamensis

    Takanori Ukena;Masayuki Satake;Masaya Usami;Yasukatsu Oshima

  • THE FRESHWATER CYANOBACTERIUM PLANKTOTHRIX SP. FP1: MOLECULAR IDENTIFICATION AND DETECTION OF PARALYTIC SHELLFISH POISONING TOXINS

    Francesco Pomati;Silvia Sacchi;Carlo Rossetti;Stefano Giovannardi

  • Confirmation of anatoxin-a(s), in the cyanobacterium Anabaena lemmermannii, as the cause of bird kills in Danish lakes.

    Hideyuki Onodera;Yasukatsu Oshima;Peter Henriksen;Takeshi Yasumoto

  • Species of the Toxigenic Dinoflagellate Genus Alexandrium in Southeastern Australian Waters

    G. M. Hallegraeff;C. J. Bolch;S. I. Blackburn;Y. Oshima

  • Toxins in the freshwater cyanobacterium Cylindrospermopsis raciborskii (Cyanophyceae) isolated from Tabocas reservoir in Caruaru, Brazil, including demonstration of a new saxitoxin analogue

    Renato Molica;Hideyuki Onodera;Carlos García;Mariella Rivas

  • Effect of culture and bloom development and of sample storage on paralytic shellfish poisons in the cyanobacterium Anabaena circinalis

    Andrew P. Negri;Gary J. Jones;Susan I. Blackburn;Yasukatsu Oshima

Frequent Co-Authors

Takeshi Yasumoto
Takeshi Yasumoto Tohoku University
Masayuki Satake
Masayuki Satake University of Tokyo
Hideo Naoki
Hideo Naoki Tohoku University
Michio Murata
Michio Murata Osaka University
Yasushi Ohizumi
Yasushi Ohizumi Tohoku University
Masami Ishibashi
Masami Ishibashi Chiba University
Susan I. Blackburn
Susan I. Blackburn CSIRO Marine and Atmospheric Research
Gustaaf M. Hallegraeff
Gustaaf M. Hallegraeff University of Tasmania
Kazuo Nagasawa
Kazuo Nagasawa Tokyo University of Agriculture and Technology
Tsuyoshi Fujita
Tsuyoshi Fujita University of Tokyo

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