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Basic information
| Name |
Hayashi Kei |
| Belonging department |
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| Occupation name |
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| researchmap researcher code |
B000308475 |
| researchmap agency |
Okayama University of Science |
Teacher Basic Information
Academic Society and Social Activity |
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Teacher Activity Information
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- 2025/03/Morphological Observation and Detailed Molecular Characterization of Fischoederius elongatus (Digenea: Gastrothylacidae) from the Rumen of Domestic Cattle in Cambodia/Chinda Wann, Bengthay Tep, Witaya Suriyasathaporn, Yasuhiro Morita, Vutha Pheng, Satoshi Ohkura, Shuichi Matsuyama, Sho Nakamura, Kei Hayashi/Joint Author/Journal of Parasitology
- 2025/03/Molecular Characterization and Morphological Observation of “Zeylanema” Nematodes in the Digestive Tract of Fire Eels (Mastacembelus erythrotaenia) Raised in an Aquarium in Japan/Taizo Saito, Kei Hayashi, Ayana Ono, Rina Okada, Yasuhiro Takashima/Journal of Parasitology
- 2024/05/Far-East Asian Toxoplasma isolates share ancestry with North and South/Central American recombinant lineages/Fumiaki Ihara, Hisako Kyan, Yasuhiro Takashima, Fumiko Ono, Kei Hayashi, Tomohide Matsuo, Makoto Igarashi, Yoshifumi Nishikawa, Kenji Hikosaka, Hirokazu Sakamoto, Shota Nakamura, Daisuke Motooka, Kiyoshi Yamauchi, Madoka Ichikawa-Seki, Shinya Fukumoto, Motoki Sasaki, Hiromi Ikadai, Kodai Kusakisako, Yuma Ohari, Ayako Yoshida, Miwa Sasai, Michael E Grigg, Masahiro Yamamoto/Nature communications
- 2022/12/Morphologic observation and first molecular characterization of Encyclometra japonica (digenea: Encyclometridae) in the digestive tract of wild tiger keelbacks (Rhabdophis tigrinus) in Japan./Taizo Saito, Kei Hayashi, Tetsuya Suse, Toshiro Kuroki, Toshiyuki Shibahara, Yasuhiro Takashima/Journal of Parasitology
- 2022/11/Dispersal direction of Malaysian Fasciola gigantica from neighboring southeast Asian countries inferred using mitochondrial DNA analysis/Madoka Ichikawa-Seki, Kei Hayashi, Michiyo Tashiro, S. Khadijah/Infection, Genetics and Evolution
- 2022/10/Population structure, molecular characterization, and phylogenetic analysis of Fasciola gigantica from two locations in Uganda/Patrick Vudriko, Richard Echodu, Michiyo Tashiro, Nozomi Oka, Kei Hayashi, Madoka Ichikawa-Seki/Infection, Genetics and Evolution
- 2022/08/Developmental Stages of Grassenema procaviae Petter, 1959 (Cosmocercoidea: Atractidae) Found in the Stomach of Cape Hyrax (Procavia capensis)/Hideo Hasegawa, Kei Hayashi, Yuko Akita, Yumi Une, Michael A. Huffman, Keiko Matsuura/Journal of Parasitology
- 2022/06/Contact between Mesocestoides vogae tetrathyridia induces their division/Taizo Saito, Sara Asami, Hideo Sakakibara, Yuki Iwatake, Kei Hayashi, Katsuya Kitoh, Yasuhiro Takashima/Parasitology International
- 2022/04/The causative agents of fascioliasis in animals and humans: Parthenogenetic Fasciola in Asia and other regions/Tadashi Itagaki, Kei Hayashi, Yuma Ohari/Infection, Genetics and Evolution
- 2022/03 ［研究紹介］反芻動物を宿主とする槍形吸虫類の一種Dicrocoelium chinensis の 日本におけるスポロシストの初検出 脇 司, 尾針 由真, 林 慶, 森部 絢嗣, 松尾 加代子, 高島 康弘 日本野生動物医学会誌
- 2021/07/Do aspermic (parthenogenetic) Fasciola forms have the ability to reproduce their progeny via parthenogenesis?/Yuma Ohari, Kei Hayashi, Yasuhiro Takashima, Tadashi Itagaki/Journal of helminthology
- 2021/06/Detection and molecular characteristics of Pyelosomum cochlear (Digenea: Pronocephalidae) in the urinary bladder of the green sea turtle (Chelonia mydas) in the Northwest Pacific Ocean/Kei Hayashi, Chiyo Kitayama, Taizo Saito, Kaoru Hayashi, Satomi Kondo, Yasuhiro Takashima, Toshiro Kuroki, Toshiyuki Shibahara, Tadashi Itagaki/Infection, Genetics and Evolution
- 2021/05/Detection and molecular characteristics of Rhytidodoides sp. (Digenea: Rhytidodidae) from the gall bladder of Green sea turtles (Chelonia mydas) in the Ogasawara islands, Japan/Chiyo Kitayama, Kei Hayashi, Kaoru Hayashi, Hitomi Igarashi, Satomi Kondo, Toshiro Kuroki, Toshiyuki Shibahara, Tadashi Itagaki/Parasitology International
- 2021/05/Morphological observation and first molecular characterization of Grassenema procaviae Petter, 1959 (Cosmocercoidea: Atractidae) in the stomach of Cape hyrax (Procavia capensis) raised in a zoo in Japan/Taizo Saito, Kei Hayashi, Kaoru Hayashi, Yuko Akita, Yumi Une, Toshiro Kuroki, Toshiyuki Shibahara, Yasuhiro Takashima/Joint Author/Parasitology International
- 2021/04/The first detection of Dicrocoelium chinensis sporocysts from the land snail Aegista vulgivaga in Gifu Prefecture, Japan/Tsukasa Waki, Yuma Ohari, Kei Hayashi, Junji Moribe, Kayoko Matsuo, Yasuhiro Takashima/The Journal of Veterinary Medical Science
- 2021/02/Detection and molecular characterization of Babesia sp. in wild boar (Sus scrofa) from western Japan/Momoko Morikawa, Sumire Mitarai, Isshu Kojima, Misuzu Okajima, Hitoshi Hatai, Ai Takano, Hiroshi Shimoda, Ken Maeda, Aya Matsuu, Ayako Yoshida, Kei Hayashi, Makoto Ozawa, Tatsunori Masatani/Ticks and Tick-borne Diseases
- 2020/10/Suppression of inflammatory genes expression in the injured host intestinal wall during Mesocestoides vogae tetrathyridium larvae migration/Kei Hayashi, Rinako Sugisawa, Taizo Saito, Toshiyasu Matsui, Yuji Taniguchi, Tatiana Batanova, Tokuma Yanai, Jun Matsumoto, Katsuya Kitoh, Yasuhiro Takashima/PLOS Neglected Tropical Diseases
- 2020/06/Molecular detection of tick-borne protozoan parasites in sika deer (Cervus nippon) from western regions of Japan/Tatsunori Masatani, Kei Hayashi, Momoko Morikawa, Makoto Ozawa, Isshu Kojima, Misuzu Okajima, Ai Takano, Hiroshi Shimoda, Ken Maeda, Aya Matsuu, Ayako Yoshida/Parasitology International
- 2020/01/Phylogenetic relationships between Lymnaeidae in relation to infection with Fasciola sp. in Hokkaido, Japan/Yuma Ohari, Kei Hayashi, Uday Kumar Mohanta, Tatsuo Oshida, Tadashi Itagaki/Molluscan Research
- 2019/08/Specific increase of Fusobacterium in the faecal microbiota of neonatal calves infected with Cryptosporidium parvum/Madoka Ichikawa-Seki, Daisuke Motooka, Aiko Kinami, Fumi Murakoshi, Yoko Takahashi, Junya Aita, Kei Hayashi, Atsushi Tashibu, Shota Nakamura, Tetsuya Iida, Toshihiro Horii, Yoshifumi Nishikawa/Scientific Reports
- 2019/07/First Molecular detection of Theileria annulata in Bangladesh/Mst. Ishrat Zerin Moni, Kei Hayashi, Thillaiampalam Sivakumar, Moizur Rahman, Lovely Nahar, Md. Zakirul Islam, Naoaki Yokoyama, Katsuya Kitoh, Cornelia Appiah-Kwarteng, Yasunori Takashima/The Journal of Veterinary Medical Science
- 2019/07/Infection by and molecular features of Learedius learedi (Digenea: Schistosomatoidea) in Green sea turtle (Chelonia mydas) at Ogasawara islands, Japan/Chiyo Kitayama, Kei Hayashi, Yuma Ohari, Satomi Kondo, Toshiro Kuroki, Toshiyuki Shibahara, Tadashi Itagaki/Journal of Parasitology
- 2018/08/Molecular and morphological discrimination of dicrocoeliid larvae (Trematoda: Digenea) from terrestrial mollusks in Japan/Tsukasa Waki, Minoru Nakao, Kei Hayashi, Hiromi Ikezawa, Norio Tsutumi/Journal of Parasitology
- 2017/11/Hybrid origin of Asian aspermic Fasciola flukes is confirmed by analyzing two single-copy genes, pepck and pold/ｖKei Hayashi, Madoka Ichikawa-Seki, Uday Kumar Mohanta, Takuya Shoriki, Pannigan Chaichanasak, Keisuke Sakaguchi, Tadashi Itagaki/The Journal of Veterinary Medical Science
- 2017/07/First report of Fasciola larva infection in Galba truncatula (Muller, 1774) (Gastropoda, Lymnaeidae) occurring in the natural environment in Hokkaido, Japan/Yuma Ohari, Kei Hayashi, Uday Kumar Mohanta, Yasuhiro Kuwahara, Tadashi Itagaki/The Journal of Veterinary Medical Science
- 2017/07/Phylogenetic relationship between Dicrocoelium chinensis populations in Japan and China based on mitochondrial nad1 gene sequences/Kei Hayashi, WenQiang Tang, Yuma Ohari, Maiko Ohtori, Uday Kumar Mohanta, Kayoko Matsuo, Hiroshi Sato, Tadashi Itagaki/Parasitology Research
- 2017/04/Molecular characterization of Fasciola flukes obtained from wild deer and domestic cattle in Hokkaido, Japan/Madoka Ichikawa-Seki, Tomoko Shiroma, Tatsuya Kariya, Ryo Nakao, Yuma Ohari, Kei Hayashi, Shinya Fukumoto/Parasitology International
- 2017/03/Detection and molecular characterization of Babesia, Theileria, and Hepatozoon species in hard ticks collected from Kagoshima, the southern region in Japan/Tatsunori Masatani, Kei Hayashi, Masako Andoh*, Morihiro Tateno, Yasuyuki Endo, Masahito Asada, Kodai Kusakisako, Tetsuya Tanaka, Mutsuyo Gokuden, Nodoka Hozumi, Fumiko Nakadohzono, Tomohide Matsuo/Ticks and Tick-borne Diseases
- 2017/02/First detection of Allobilharzia visceralis (Schistosomatidae, Trematoda) from Cygnus cygnus in Japan/Kei Hayashi, Madoka Ichikawa-Seki, Yuma Ohari, Uday Kumar Mohanta, Junya Aita, Hiroshi Satoh, Shiori Ehara, Minami Tokashiki, Tomoko Shiroma, Ayumi Azuta, Nozomi Oka, Takuya Watanabe, Ryo Harasawa, Satoshi Inohana, Toshihiro Ichijo, Kazuhisa Furuhama/Parasitology International
- 2017/02/Molecular characterization and phylogenetic analysis of Fasciola gigantica from Nigeria/Madoka Ichikawa-Seki, Minami Tokashiki, Maxwell Nwachukwu Opara, Gabriel Iroh, Kei Hayashi, Uday Mohanta Kumar, Tadashi Itagaki/Parasitology International
- 2016/12/Genetic characterization of Fasciola flukes detected from wild sika deer in Hokkaido, Yamaguchi and Miyazaki prefectures, Japan/Yuma Ohari, Hiroshi Sato, Nariaki Nonaka, Uday Kumar Mohanta, Kei Hayashi, Tadashi Itagaki/Japanese Journal of Veterinary Parasitology
- 2016/11/Molecular characterization and phylogenetic analysis of Explanatum explanatum in India based on the nucleotide sequences of ribosomal ITS2 and mitochondrial gene nad1/Kei Hayashi, Uday Kumar Mohanta, Yuma Ohari, Tambireddy Neeraja, T. Shantikumar Singh, Hiromu Sugiyama, Tadashi Itagaki/Journal of Veterinary Medical Science
- 2016/11/Nuclear and mitochondrial DNA analysis reveals that hybridization between Fasciola hepatica and F. gigantica occurred in China/Madoka Ichikawa-Seki, Mao Peng, Kei Hayashi, Takuya Shoriki, Uday Kumar Mohanta, Toshiyuki Shibahara, Tadashi Itagaki/Parasitology
- 2016/10/Molecular characterization and phylogenetic analysis of Fasciola gigantica from western Java, Indonesia/Kei Hayashi, Madoka Ichikawa-Seki, Puttik Allamanda, Putut Eko Wibowo, Uday Kumar Mohanta, Sodirun, Azirwan Guswanto, Yoshifumi Nishikawa/Parasitology International
- 2016/09/Molecular characterization of Fasciola gigantica in Delhi, India and its phylogenetic relation to the species from South Asian countries./）Kei Hayashi, Uday Kumar Mohanta, Tambireddy Neeraja and Tadashi Itagaki/The Journal of Veterinary Medical
- 2016/07/Molecular phylogenetic relationship of Dicrocoelium dendriticum from Japan and China based on nucleotide sequences of the mitochondrial nad1/Kei Hayashi, Maiko Ohtori, WenQiang Tang, Yuma Ohari, Uday Kumar Mohanta, Tadashi Itagaki/Japanese Journal of Veterinary Parasitology
- 2016/04/Identification and functional analysis of a novel mitochondria-localized 2-Cys peroxiredoxin, BbTPx-2, from Babesia bovis/Tatsunori Masatani, Masahito Asada, Hassan Hakimi, Kei Hayashi, Junya Yamagishi, Shin-ichiro Kawazu, Xuenan Xuan/Parasitology Research
- 2015/12/Novel methods for the molecular discrimination of Fasciola spp. on the basis of nuclear protein-coding genes/Takuya Shoriki, Madoka Ichikawa-Seki, Keisuke Suganuma, Ikunori Naito, Kei Hayashi, Minoru Nakao, Junya Aita, Uday Kumar Mohanta, Noboru Inoue, Kenji Murakami, Tadashi Itagaki/Parasitology International
- 2015/04/Molecular phylogenetic analysis of Fasciola flukes from eastern India/Kei Hayashi, Madoka Ichikawa-Seki, Uday Kumar Mohanta, T. Shantikumar Singh, Takuya Shoriki, Hiromu Sugiyama, Tadashi Itagaki/Parasitology International
- 2015/03/Morphological and molecular characterization of Eurytrema cladorchis parasitizing cattle (Bos indicus) in Bangladesh/Uday Kumar Mohanta, Madoka Ichikawa-Seki, Kei Hayashi, Tadashi Itagaki/Parasitology Research
- 2014/04/Population trends of the Kuril harbour seal Phoca vitulina stejnegeri from 1974 to 2010 in southeastern Hokkaido, Japan/Yumi Kobayashi*, Tatsuya Kariya, Jun Chishima, Kei Fujii, Kazuo Wada, Shinya Baba, Tetsuro Itoo†, Toshiyasu Nakaoka, Miki Kawashima, Sachiko Saito, Noriyuki Aoki, Shin-ichi Hayama, Yuichi Osa, Hidemi Osada, Akio Niizuma†, Masatsugu Suzuki, Yohjiro Uekane†, Kei Hayashi, Mari Kobayashi, Noriyuki Ohtaishi, Yasunori Sakurai/Endangered Species Research
- 2013/09/Cloning and characterization of a 2-Cys peroxiredoxin from Babesia gibsoni/Tatsunori Masatani, Masahito Asada, Madoka Ichikawa-Seki, Miho Usui, Mohamad Alaa Terkawi, Kei Hayashi, Shin-ichiro Kawazu, Xuenan Xuan/The Journal of Veterinary Medical Science
- 2013/04/TgGRA23, a novel Toxoplasma gondii dense granule protein associated with parasitophorous vacuole membrane and intravacuolar network/Tatsunori. Masatani, Tomohide Matsuo, Tetsuya Tanaka, Mohamad Alaa Terkawi, Eung-Goo Lee, Youn-Kyoing Goo, Gabriel Okuga Aboge, Junya Yamagishi, Kei Hayashi, Kyohko Kameyama, Yoshifumi Nishikawa, Xuenan Xuan/Parasitology International
- 2013/02/Identification, Cloning and Characterization of BmP41, a Common Antigenic Protein of Babesia microti/Tatsunori Masatani, Hideo Ooka, Mohamad Alaa Terkawi, Shinuo Cao, Yuzi Luo, Masahito Asada, Kei Hayashi, Yoshifumi Nishikawa, Xuenan Xuan/The Journal of Veterinary Medical Science
- 2022/06 ヒメマルカツオブシムシAnthrenus verbasciの幼虫による羽毛の食害からパニック発作を起こしたと考えられるオカメインコNymphicus hollandicusの一例 菅野祥子, 林慶, 富岡康浩 鳥類臨床
- 2021/03 北海道厚岸地域におけるゼニガタアザラシPhoca vitulina stejnegeriの季節による個体数の変化 林慶, 斉数貴, 菅原瑞穂, 宮﨑彩乃, 岡本朋子, 種村柊, 横山望美, 今井菜々, 中田大也, 藤井啓 釧路市博物館紀要
- 2014/12 単為生殖型肝蛭（日本産肝蛭）はどこからきたか？ その起源と日本国内における分布について 関(市川) まどか, 城間 友子, 正力 拓也, 林 慶, 板垣 匡 共著 産業動物臨床医学雑誌
- 2013/12/Construction of a recombinant vaccinia virus expressing Babesia gibsoni thrombospondin-related anonymous protein and evaluation of its immunogenicity in mice/C. Nakamura, Kei Hayashi, Mohamad Alaa Terkawi, Tatsunori Masatani, G. Zhang, H. Jia, A. Kumagai, H. Zhang, J. Zhou, Yoshifumi Nishikawa, C. Sugimoto, Xuenan Xuan/Joint Author/The Journal of Protozoology Research
Competitive research funds |
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Other Research Achivements |
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Educational Improvement Achievement |
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On-campus Conference Management |
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Off-campus Conference Management |
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