World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
67
Citations
13499
World Ranking
2311
National Ranking
78

Akira Hiraishi 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 Akira Hiraishi sits on this spectrum.

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: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 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 publications 679+

This scientist: 235 publications — 61st percentile

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

The last bar groups every scientist with 679 publications or more.

Akira Hiraishi 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 Akira Hiraishi sits on this spectrum.

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: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 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: 93 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: 67 D-Index — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Akira Hiraishi is affiliated with Toyohashi University of Technology in Japan and has contributed to research primarily in the fields of Environmental Science and Biochemistry, Genetics and Molecular Biology. Their work spans several subfields including Ecology, Molecular Biology, and Oceanography.

The scientist's research focuses on various topics such as Microbial Community Ecology and Physiology, Genomics and Phylogenetic Studies, Environmental DNA in Biodiversity Studies, Protist Diversity and Phylogeny, and Marine and Coastal Ecosystems.

Akira Hiraishi has published papers in important venues including:

  • Microorganisms
  • Bergey's Manual of Systematics of Archaea and Bacteria

Two notable recent publications include:

  • Distribution of Phototrophic Purple Nonsulfur Bacteria in Massive Blooms in Coastal and Wastewater Ditch Environments (2020, Microorganisms)
  • Rhodoplanes (2021, Bergey's Manual of Systematics of Archaea and Bacteria)

Collaborations have involved frequent co-authors such as Nobuyoshi Nagao, Chinatsu Yonekawa, So Umekage, Yo Kikuchi, and Toshihiko Eki, each contributing to various projects alongside Hiraishi.

Best Publications

  • Proposal of the genus Sphingomonas sensu stricto and three new genera, Sphingobium, Novosphingobium and Sphingopyxis, on the basis of phylogenetic and chemotaxonomic analyses.

    Mariko Takeuchi;Koei Hamana;Akira Hiraishi

  • Comparative lipoquinone analysis of influent sewage and activated sludge by high-performance liquid chromatography and photodiode array detection

    Akira Hiraishi;Yoko Ueda;Junko Ishihara;Tadahiro Mori

  • Direct automated sequencing of 16S rDNA amplified by polymerase chain reaction from bacterial cultures without DNA purification

    A. Hiraishi

  • Degradation of the cyanobacterial hepatotoxin microcystin by a new bacterium isolated from a hypertrophic lake.

    Ho-Dong Park;Youhei Sasaki;Tomoko Maruyama;Eiji Yanagisawa

  • Aerobic and anaerobic toluene degradation by a newly isolated denitrifying bacterium, Thauera sp. strain DNT-1.

    Yoshifumi Shinoda;Yasuyoshi Sakai;Hiroshi Uenishi;Yasumitsu Uchihashi

  • Microlunatus phosphovorus gen. nov., sp. nov., a new gram-positive polyphosphate-accumulating bacterium isolated from activated sludge.

    Kazunori Nakamura;Akira Hiraishi;Yukihiko Yoshimi;Mamoru Kawaharasaki

  • Members of the Family Comamonadaceae as Primary Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate)-Degrading Denitrifiers in Activated Sludge as Revealed by a Polyphasic Approach

    Shams Tabrez Khan;Yoko Horiba;Masamitsu Yamamoto;Akira Hiraishi

  • Sphingosinicella microcystinivorans gen. nov., sp. nov., a microcystin-degrading bacterium.

    Tomoko Maruyama;Ho-Dong Park;Kazuhiko Ozawa;Yoshinori Tanaka

  • Altered Quinone Biosynthesis in the Long-lived clk-1Mutants of Caenorhabditis elegans

    Hiroko Miyadera;Hisako Amino;Akira Hiraishi;Hikari Taka

  • Application of polyhydroxyalkanoates for denitrification in water and wastewater treatment

    A. Hiraishi;S. T. Khan

  • Discovery of Natural Photosynthesis using Zn-Containing Bacteriochlorophyll in an Aerobic Bacterium Acidiphilium rubrum

    Norio Wakao;Naoto Yokoi;Naohito Isoyama;Akira Hiraishi

  • Chloroflexus aggregans sp. nov., a Filamentous Phototrophic Bacterium Which Forms Dense Cell Aggregates by Active Gliding Movement

    Satoshi Hanada;Akira Hiraishi;Keizo Shimada;Katsumi Matsuura

  • Quinone Profiling of Bacterial Communities in Natural and Synthetic Sewage Activated Sludge for Enhanced Phosphate Removal

    Akira Hiraishi;Yoko Ueda;Junko Ishihara

  • Polymerase chain reaction amplification and restriction fragment length polymorphism analysis of 16S rRNA genes from methanogens

    Akira Hiraishi;Yoichi Kamagata;Kazunori Nakamura

  • A re-evaluation of the taxonomy of Paracoccus denitrificans and a proposal for the combination Paracoccus pantotrophus comb. nov.

    Frederick A. Rainey;Donovan P. Kelly;Erko Stackebrandt;Jutta Burghardt

  • HORIZONTAL TRANSFER OF GENES CODING FOR THE PHOTOSYNTHETIC REACTION CENTERS OF PURPLE BACTERIA

    Kenji V. P. Nagashima;Akira Hiraishi;Keizo Shimada;Katsumi Matsuura

  • Isoprenoid quinones as biomarkers of microbial populations in the environment.

    Akira Hiraishi

  • Phylogenetic Characterization of a Polychlorinated-Dioxin- Dechlorinating Microbial Community by Use of Microcosm Studies

    Naoko Yoshida;Nobutaka Takahashi;Akira Hiraishi

  • RESPIRATORY QUINONE PROFILES AS TOOLS FOR IDENTIFYING DIFFERENT BACTERIAL POPULATIONS IN ACTIVATED SLUDGE

    Akira Hiraishi

  • Rhodoplanes gen. nov., a New Genus of Phototrophic Bacteria Including Rhodopseudomonas rosea as Rhodoplanes roseus comb. nov. and Rhodoplanes elegans sp. nov.

    Akira Hiraishi;Yoko Ueda

  • Phylogenetic Evidence for the Existence of Novel Thermophilic Bacteria in Hot Spring Sulfur-Turf Microbial Mats in Japan

    Hiroyuki Yamamoto;Akira Hiraishi;Kenji Kato;Hiroshi X. Chiura

Frequent Co-Authors

Shinichi Takaichi
Shinichi Takaichi Nippon Medical School
Johannes F. Imhoff
Johannes F. Imhoff GEOMAR Helmholtz Centre for Ocean Research Kiel
Yoichi Kamagata
Yoichi Kamagata National Institute of Advanced Industrial Science and Technology
Shigeru Itoh
Shigeru Itoh Nagoya University
Hiroyuki Yamamoto
Hiroyuki Yamamoto St. Marianna University School of Medicine
Satoshi Okabe
Satoshi Okabe Hokkaido University
Yasuyoshi Sakai
Yasuyoshi Sakai Kyoto University
Kazuya Watanabe
Kazuya Watanabe Tokyo University of Pharmacy and Life Sciences
Kazuo Komagata
Kazuo Komagata University of Tokyo
Hideto Tsuji
Hideto Tsuji Toyohashi University of Technology

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Studying Microbiology in the USA opens various interdisciplinary career pathways, including healthcare and information management sectors. For those interested in combining clinical knowledge with patient care, exploring functional medicine np programs offers specialized nurse practitioner routes focused on holistic patient treatment.

On the administrative side, careers such as Certified Professional Coders (CPC) play a vital role in healthcare documentation and billing. Understanding the cpc salary trends and qualifications can help students gauge the financial and professional rewards of this path.

For those inclined toward managing medical data and compliance, health information management offers a promising career. Exploring the health information manager salary insights provides a clear picture of the sector’s opportunities.

To enter this field, earning degrees from reputable programs is crucial. Students should consider the best online health information management degree cahiim accredited options to ensure quality education and better career prospects.

Best Scientists Citing Akira Hiraishi

Trending Scientists

Recently Published Articles