World's Best Scientists 2026 revealed!
Shigeaki Harayama

Shigeaki Harayama

Award Badge
Biology and Biochemistry
Japan
2026

D-Index & Metrics

Biology and Biochemistry

D-Index
96
Citations
28558
World Ranking
1853
National Ranking
104

Research.com Recognitions

  • 2026 - Research.com Biology and Biochemistry in Japan Leader Award
  • 2025 - Research.com Biology and Biochemistry in Japan Leader Award
  • 2023 - Research.com Biology and Biochemistry in Japan Leader Award

Overview

Shigeaki Harayama is affiliated with Chuo University in Japan and has contributed to research primarily in the fields of Energy, Biochemistry, Genetics and Molecular Biology, and Environmental Science. Their work spans subfields including Renewable Energy, Sustainability and the Environment, Molecular Biology, Ecology, General Health Professions, and Physiology.

Their research focuses on topics such as algal biology and biofuel production, photosynthetic processes and mechanisms, microbial community ecology and physiology, magnetic and electromagnetic effects, light effects on plants, corrosion behavior and inhibition, and water treatment and disinfection.

Recent publications by Shigeaki Harayama include:

  • A method for the preparation of electrocompetent cells to transform unicellular green algae, Coccomyxa (Trebouxiophyceae, Chlorophyta) strains Obi and KJ (2020, Algal Research)
  • Development of a CRISPR/Cas9-mediated gene-editing method to isolate a mutant of the unicellular green alga Parachlorella kessleri strain NIES-2152 with improved lipid productivity (2024, Biotechnology for Biofuels and Bioproducts)
  • Nitrite as a causal factor for nitrate-dependent anaerobic corrosion of metallic iron induced by Prolixibacter strains (2021, MicrobiologyOpen)
  • Limited fatty-acid supply from the plastid and active catabolism of triacylglycerol prevent the accumulation of triacylglycerol in Coccomyxa sp. strain Obi grown under nitrogen-replete conditions (2022, Algal Research)
  • A truncated antenna mutant of the unicellular green alga Coccomyxa sp. strain Obi shows better biomass productivity than the wild-type strain under higher irradiance, at higher cell density, and in greater depth of culture (2023, Algal Research)

Frequent coauthors collaborating with Shigeaki Harayama include:

  • Yuki Kasai
  • Satsuki Takagi
  • S. Imamura
  • Shuhei Ota
  • Kotaro Ishii

The primary publication venues for their work are:

  • Algal Research
  • Biotechnology for Biofuels and Bioproducts
  • MicrobiologyOpen
  • Bioresource Technology Reports
  • Research Square

Best Publications

  • Biodegradation of high-molecular-weight polycyclic aromatic hydrocarbons by bacteria.

    Robert A. Kanaly;Shigeaki Harayama

  • PCR amplification and direct sequencing of gyrB genes with universal primers and their application to the detection and taxonomic analysis of Pseudomonas putida strains.

    S Yamamoto;S Harayama

  • Molecular mechanisms of genetic adaptation to xenobiotic compounds.

    J. R. Van Der Meer;W. M. De Vos;S. Harayama;A. J. B. Zehnder

  • Functional and Evolutionary Relationships Among Diverse Oxygenases

    S Harayama;M Kok;E L Neidle

  • Phylogeny of the genus Pseudomonas: intrageneric structure reconstructed from the nucleotide sequences of gyrB and rpoD genes.

    Satoshi Yamamoto;Hiroaki Kasai;Dawn L. Arnold;Robert W. Jackson

  • Phylogenetic analysis and taxonomic study of marine Cytophaga-like bacteria: proposal for Tenacibaculum gen. nov. with Tenacibaculum maritimum comb. nov. and Tenacibaculum ovolyticum comb. nov., and description of Tenacibaculum mesophilum sp. nov. and Tenacibaculum amylolyticum sp. nov.

    Makoto Suzuki;Yasuyoshi Nakagawa;Shigeaki Harayama;Satoshi Yamamoto

  • Petroleum Biodegradation in Marine Environments

    Shigeaki Harayama;Hideo Kishira;Yuki Kasai;Kazuaki Shutsubo

  • Microbial communities in oil-contaminated seawater.

    Shigeaki Harayama;Yuki Kasai;Akihiro Hara

  • Design and evaluation of PCR primers to amplify bacterial 16S ribosomal DNA fragments used for community fingerprinting.

    Kazuya Watanabe;Yumiko Kodama;Shigeaki Harayama

  • Physicochemical Properties and Biodegradability of Crude Oil

    Keiji Sugiura;Masami Ishihara;Toshitsugu Shimauchi;Shigeaki Harayama

  • Molecular detection, isolation, and physiological characterization of functionally dominant phenol-degrading bacteria in activated sludge

    Kazuya Watanabe;Maki Teramoto;Hiroyuki Futamata;Shigeaki Harayama

  • Bacteria Belonging to the Genus Cycloclasticus Play a Primary Role in the Degradation of Aromatic Hydrocarbons Released in a Marine Environment

    Yuki Kasai;Hideo Kishira;Shigeaki Harayama

  • Ignavibacterium album gen. nov., sp. nov., a moderately thermophilic anaerobic bacterium isolated from microbial mats at a terrestrial hot spring and proposal of Ignavibacteria classis nov., for a novel lineage at the periphery of green sulfur bacteria.

    Takao Iino;Koji Mori;Yoshihito Uchino;Tatsunori Nakagawa

  • Advances in the field of high-molecular-weight polycyclic aromatic hydrocarbon biodegradation by bacteria.

    Robert A. Kanaly;Shigeaki Harayama

  • Phylogenetic relationships of Pseudomonas putida strains deduced from the nucleotide sequences of gyrB, rpoD and 16S rRNA genes.

    Satoshi Yamamoto;Shigeaki Harayama

  • Interspecific variations in adhesive protein sequences of Mytilus edulis, M. galloprovincialis, and M. trossulus.

    K. Inoue;J. H. Waite;M. Matsuoka;S. Odo

  • Differentiation of Phylogenetically Related Slowly Growing Mycobacteria by Their gyrB Sequences

    Hiroaki Kasai;Takayuki Ezaki;Shigeaki Harayama

  • Bacterial aromatic ring-cleavage enzymes are classified into two different gene families.

    S Harayama;M Rekik

  • Predominant growth of Alcanivorax strains in oil-contaminated and nutrient-supplemented sea water

    Yuki Kasai;Hideo Kishira;Tetsuya Sasaki;Kazuaki Syutsubo

  • Molecular Characterization of Bacterial Populations in Petroleum-Contaminated Groundwater Discharged from Underground Crude Oil Storage Cavities

    Kazuya Watanabe;Kanako Watanabe;Yumiko Kodama;Kazuaki Syutsubo

Frequent Co-Authors

Kazuya Watanabe
Kazuya Watanabe Tokyo University of Pharmacy and Life Sciences
Norihiko Misawa
Norihiko Misawa Ishikawa Prefectural University
Kenneth N. Timmis
Kenneth N. Timmis Technische Universität Braunschweig
Ken-ichiro Suzuki
Ken-ichiro Suzuki Tokyo University of Agriculture
Akira Yokota
Akira Yokota Tohoku University
Amos Marc Bairoch
Amos Marc Bairoch Swiss Institute of Bioinformatics
Kensuke Furukawa
Kensuke Furukawa Beppu University
Yasuo Ohnishi
Yasuo Ohnishi University of Tokyo
Thilo Köhler
Thilo Köhler University of Geneva
Ellen L. Neidle
Ellen L. Neidle University of Georgia

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:

Best Scientists Citing Shigeaki Harayama

Trending Scientists