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Hiroshi Kajihara

Hiroshi Kajihara

D-Index & Metrics

Animal Science and Veterinary

D-Index
26
Citations
3025
World Ranking
2872
National Ranking
33

Overview

Hiroshi Kajihara is affiliated with Hokkaido University in Japan, focusing on research primarily in Environmental Science and Earth and Planetary Sciences. Their work spans several interrelated subfields, including Ecology, Oceanography, Molecular Biology, Global and Planetary Change, and Plant Science.

The scientific contributions of Hiroshi Kajihara cover diverse topics such as Marine Biology and Ecology Research, Parasite Biology and Host Interactions, Marine Ecology and Invasive Species, Planarian Biology and Electrostimulation, Protist Diversity and Phylogeny, Microbial Community Ecology and Physiology, and Coral and Marine Ecosystems Studies.

Their recent notable papers include:

  • Higher classification of the Monostilifera (Nemertea: Hoplonemertea), 2021, Zootaxa
  • Lineid Heteronemerteans (Nemertea: Pilidiophora) from Sagami Bay, Japan, with Some Proposals for the Family-Level Classification System, 2021, ZOOLOGICAL SCIENCE
  • A molecular phylogeny of Tetrastemma and its allies (Nemertea, Monostilifera), 2021, Zoologica Scripta
  • Magnesium oxide induces immunity against Fusarium wilt by triggering the jasmonic acid signaling pathway in tomato, 2020, Journal of Biotechnology
  • Molecular Phylogenetic Analysis of Acotylea (Platyhelminthes: Polycladida), 2020, ZOOLOGICAL SCIENCE

Hiroshi Kajihara frequently collaborates with several researchers, including:

  • Natsumi Hookabe
  • Aoi Tsuyuki
  • Yuki Oya
  • Naoto Jimi
  • Jamael Abato

Their research is regularly published in several academic venues, with contributions in:

  • Species Diversity
  • ZOOLOGICAL SCIENCE
  • Zootaxa
  • Global Biodiversity Information Facility
  • Journal of Natural History

The scope of Hiroshi Kajihara's research involves extensive study of marine and terrestrial organisms, molecular phylogenies, and ecological interactions. The disciplines and topics covered indicate a broad expertise in environmental and biological sciences, particularly relating to marine ecosystems, biodiversity, and organismal classification.

Best Publications

  • Checklist of Nemertean Genera and Species Published between 1995 and 2007

    Hiroshi Kajihara;Alexei V. Chernyshev;Shi-Chun Sun;Per Sundberg

  • Statistical Parsimony Networks and Species Assemblages in Cephalotrichid Nemerteans (Nemertea)

    Haixia Chen;Malin Strand;Jon L. Norenburg;Shichun Sun

  • A transcriptomic approach to ribbon worm systematics (nemertea): resolving the pilidiophora problem

    Sónia C. S. Andrade;Horácio Montenegro;Malin Strand;Megan L. Schwartz

  • Immunoenzymatic visualization of tetrodotoxin (TTX) in Cephalothrix species (Nemertea: Anopla: Palaeonemertea: Cephalotrichidae) and Planocera reticulata (Platyhelminthes: Turbellaria: Polycladida: Planoceridae).

    Mohosena Begum Tanu;Yahia Mahmud;Osamu Arakawa;Tomohiro Takatani

  • A taxonomic catalogue of Japanese nemerteans (phylum Nemertea).

    Hiroshi Kajihara

  • Highly Toxic Ribbon Worm Cephalothrix simula Containing Tetrodotoxin in Hiroshima Bay, Hiroshima Prefecture, Japan

    Manabu Asakawa;Katsutoshi Ito;Hiroshi Kajihara

  • A new species of Nesotanais (Crustacea, Tanaidacea) from Japan, with a key to species and a note on male chelipeds

    Keiichi Kakui;Hiroshi Kajihara;Shunsuke F. Mawatari

  • Molecular systematics of Tanaidacea (Crustacea: Peracarida) based on 18S sequence data, with an amendment of suborder/superfamily-level classification.

    Keiichi Kakui;Toru Katoh;Shimpei F. Hiruta;Norio Kobayashi;Norio Kobayashi

  • Description of Pericelis flavomarginata sp. nov. (Polycladida: Cotylea) and its predatory behavior on a scaleworm.

    Aoi Tsuyuki;Yuki Oya;Naoto Jimi;Hiroshi Kajihara

  • A New Genus and Five New Species of Kalyptorhynchia (Platyhelminthes: Rhabdocoela) Discovered in Northern Japan

    Naoya Takeda;Hiroshi Kajihara

  • Morphological and molecular diversity of rissoellids (Mollusca, Gastropoda, Heterobranchia) from the Northwest Pacific island of Hokkaido, Japan.

    Luis E. Chira Siadén;Kevin C. Wakeman;Stephen C. Webb;Kazunori Hasegawa

  • A New Species of Phaenoplana (Platyhelminthes: Polycladida) from the Ogasawara Islands

    Yuki Oya;Hiroshi Kajihara

  • Molecular phylogeny of kinorhynchs.

    Hiroshi Yamasaki;Shimpei F. Hiruta;Hiroshi Kajihara

  • Paralytic toxicity in the ribbon worm Cephalothrix species (Nemertea) in Hiroshima Bay, Hiroshima Prefecture, Japan and the isolation of tetrodotoxin as a main component of its toxins.

    Manabu Asakawa;Tadayoshi Toyoshima;Katsutoshi Ito;Kentaro Bessho

  • Species Diversity of Animals in Japan

    Masaharu Motokawa;Hiroshi Kajihara

  • A New Brackish-water Species of Echinoderes (Kinorhyncha: Cyclorhagida) from the Seto Inland Sea, Japan

    Hiroshi Yamasaki;Hiroshi Kajihara

  • Redescription of Cerebratulus marginatus auct. (Nemertea: Pilidiophora) from Hokkaido, Japan, as a new species.

    Hiroshi Kajihara

  • New taxa of Japanese and New Zealand Eurystomellidae (Phylum Bryozoa) and their phylogenetic relationships

    Dennis P. Gordon;Shunsuke F. Mawatari;Hiroshi Kajihara

  • Character-matrix based descriptions of two new nemertean (Nemertea) species

    Per Sundberg;Alexey. V. Chernyshev;Hiroshi Kajihara;Tobias Kånneby

  • Taxonomy and phylogeny of Lineus torquatus and allies (Nemertea, Lineidae) with descriptions of a new genus and a new cryptic species

    Alexei V. Chernyshev;Neonila E. Polyakova;Sergei V. Turanov;Hiroshi Kajihara

  • Molecular Phylogeny of Cypridoid Freshwater Ostracods (Crustacea: Ostracoda), Inferred from 18S and 28S rDNA Sequences

    Shimpei F. Hiruta;Norio Kobayashi;Toru Katoh;Hiroshi Kajihara

  • Cosmopolitan or Cryptic Species? A Case Study of Capitella teleta (Annelida: Capitellidae).

    Shinri Tomioka;Tomohiko Kondoh;Waka Sato-Okoshi;Katsutoshi Ito

  • Two Kinorhynch Species (Cyclorhagida, Echinoderidae, Echinoderes) Show Different Distribution Patterns Across Tsugaru Strait, Northern Japan

    Hiroshi Yamasaki;Shimpei F. Hiruta;Hiroshi Kajihara;Matthew H. Dick

  • Description of a new Notocomplana species (Platyhelminthes: Acotylea), new combination and new records of Polycladida from the northeastern Sea of Japan, with a comparison of two different barcoding markers

    Yuki Oya;Hiroshi Kajihara

  • Molecular Phylogenetic Analysis of Acotylea (Platyhelminthes: Polycladida).

    Yuki Oya;Hiroshi Kajihara

  • Nemertean taxonomy-Implementing changes in the higher ranks, dismissing Anopla and Enopla

    Malin Strand;Jon Norenburg;José E. Alfaya;Fernando Ángel Fernández-Álvarez

  • The future of nemertean taxonomy (phylum Nemertea) — a proposal

    Per Sundberg;Sónia C. S. Andrade;Thomas Bartolomaeus;Patrick Beckers

Frequent Co-Authors

Per Sundberg
Per Sundberg University of Gothenburg
Tamao Noguchi
Tamao Noguchi Nagasaki University
Gonzalo Giribet
Gonzalo Giribet Harvard University
Martin Thiel
Martin Thiel Catholic University of the North
Dennis P. Gordon
Dennis P. Gordon National Institute of Water and Atmospheric Research
Atsushi Yamaguchi
Atsushi Yamaguchi Tohoku University
Toru Miura
Toru Miura University of Tokyo
Annie Machordom
Annie Machordom Spanish National Research Council
Satoshi Tadokoro
Satoshi Tadokoro Tohoku University
Maria Byrne
Maria Byrne University of Sydney

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