Research keywords (3):
魚病学
, Ichthyoparasitology‡
, Fish pathology
Research theme for competitive and other funds (25):
2021 - 2024 リンホシスチス病の自然治癒メカニズムの解明~病理変化と免疫系の視点から~
2021 - 2024 Pathogenicity of microsporidian infecting masu salmon from Lake Biwa
2017 - 2022 Do kuoid myxozoans showing symptomatic infection cause foodborne diseases? - Elucidation of the diarrheagenicity and the mechanism of diarrhea -
2015 - 2018 Risk assessment of kudoid myxozoans showing asymptomatic infection causing a foodborne disease
2013 - 2016 Control of parasitic diseases of artificially produced Pacific bluefin tuna seeds
2012 - 2015 Risk assessment of food poisoning caused by myxosporeans of the genus Kudoa in wild fishes
2008 - 2010 Mechanisms in manipulation of host fish behavior by brain parasites
2005 - 2007 Mechanism of pathogenicity manifestation by fish parasites through host switching
2005 - 2006 Neuropathology of brain myxosporean disease of fish
2003 - 2004 Analyses of factors controlling infection and development of fish-infecting myxosporeans
2002 - 2004 Biodefense function of fish lectin family which bind to pathogenic bacteria and microspodian parasites
2004 - 魚類感染症における脳神経病理学
2002 - 2003 Studies on infection cycles of newly emerging and re-emerging diseases of fishes
2001 - 2002 魚類寄生粘液胞子虫に超寄生する微胞子虫の病害性
2000 - 2001 Disease mechanisms of emaciation disease of tiger puffer
1999 - 2000 魚類寄生微胞子虫と粘液胞子虫の宿主侵入における細胞生物学
1999 - 2000 Infection and defense mechanisms in micro-injuries on the body surface of fish.
1997 - 1998 魚類寄生粘液胞子虫類の宿主認識と侵入のメカニズム
1997 - 1998 Kinetics of particle uptake and clearance in fish
1996 - 1996 魚類寄生粘液胞子虫類の宿主特異性に関する研究
1995 - 1995 魚類寄生粘液胞子虫類の生活環-放線胞子虫の魚への侵入経路と発達過程-
養殖魚類の原虫病対策
魚類寄生原虫に関する研究
Protozoan disease control in cultured fishes
Study on protozoan parasites of fish
Show all
Papers (23):
H. Yokoyama, T. Yanagida, S. Shirakashi. Kudoa ogawai n. sp (Myxozoa: Multivalvulida) from the trunk muscle of Pacific barrelfish Hyperoglyphe japonica (Teleostei: Centrolophidae) in Japan. PARASITOLOGY RESEARCH. 2012. 110. 6. 2247-2254
Shigehiko Urawa, Mark A. Freeman, Stewart C. Johnson, Simon R. M. Jones, Hiroshi Yokoyama. Geographical variation in spore morphology, gene sequences, and host specificity of Myxobolus arcticus (Myxozoa) infecting salmonid nerve tissues. Diseases of Aquatic Organisms. 2011. 96. 3. 229-237
M. A. Freeman, H. Yokoyama, A. Osada, T. Yoshida, A. Yamanobe, K. Ogawa. Spraguea (Microsporida: Spraguidae) infections in the nervous system of the Japanese anglerfish, Lophius litulon (Jordan), with comments on transmission routes and host pathology. Journal of Fish Diseases. 2011. 34. 6. 445-452
Hiroshi Yokoyama, Daichi Ayado, Jiro Miyahara, Kazuki Matsukura, Ikuo Takami, Fumihiko Yokoyama, Kazuo Ogawa. Infection dynamics of Microsporidium seriolae (Microspora) causing the beko disease of Seriola spp. Fish Pathology. 2011. 46. 2. 51-58
F. Meng, H. Yokoyama, S. Shirakashi, D. Grabner, K. Ogawa, K. Ishimaru, Y. Sawada, O. Murata. Kudoa prunusi n. sp. (Myxozoa: Multivalvulida) from the brain of Pacific bluefin tuna Thunnus orientalis (Temminck & Schlegel, 1844) cultured in Japan. Parasitology International. 2011. 60. 1. 90-96
A Myxosporean parasite of the genus ┣DBChloromyxum(/)-┫DB (Protozoa : Myxozoa) from the gallbladder of a megamouth shark
Biology of the megamouth shark (Tokai University Press, Tokyo, Japan) 1997
Works (2):
養殖トラフグの「やせ病」に関する共同研究
2000 -
Joint Research on emaciation disease of cultured tiger puffer
2000 -
Education (4):
- 1993 The University of Tokyo
- 1993 The University of Tokyo Graduate School, Division of Agricultural Science
- 1986 The University of Tokyo
- 1986 The University of Tokyo Faculty of Agriculture
Professional career (1):
(BLANK) (The University of Tokyo)
Awards (2):
2004 - 平成15年度日本水産学会論文賞
2004 - 平成15年度日本魚病学会研究奨励賞
Association Membership(s) (8):
ヨーロッパ魚病学会
, 日本寄生虫学会
, 日本水産学会
, 日本魚病学会
, European Association of Fish Pathologists
, Japanese Society of Parasitology
, Japanese Society of Fisheries Science
, Japanese Society of Fish Pathology