KAKEN — Research Projects | Researcher Number: 70159557

Search Results: 17 results / Researcher Number: 70159557

Display:

1. 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～

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Review Section	Basic Section 40040:Aquatic life science-related
Research Institution	Okayama University of Science
Principal Investigator	飯田貴次岡山理科大学, 獣医学部, 教授
Project Period (FY)	2021-04-01 – 2024-03-31Declined

2. Mechanisms of tunic softening in Halocynthia roretzi infected with a pathogenic flagellate, Azumiobodo hoyamushi

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Review Section	Basic Section 40040:Aquatic life science-related
Research Institution	Ehime University
Principal Investigator	北村真一愛媛大学, 沿岸環境科学研究センター, 准教授
Project Period (FY)	2020-04-01 – 2023-03-31Granted
Keywords	マボヤ / 被嚢軟化症 / Azumiobodo hoyamushi / プロテオーム解析 / 軟化機構 / マボヤ被嚢軟化症 / Halocynthia roretzi / 被嚢タンパク質
Outline of Research at the Start	マボヤ被嚢軟化症は、病原鞭毛虫Azumiobodo hoyamushi（ホヤムシ）によって引き起こされる寄生虫病である。これまで、本症の最大の特徴である被嚢の軟化機構は解明されていない。我々の研究グループは、被嚢の主成分はセルロースであることから、それが分解されて軟化が起こると考え研究を行ったが、軟 ...
Outline of Annual Research Achievements	我々はマボヤ被嚢軟化症の被嚢軟化機構に注目し、研究を進めている。これまでの研究結果から、軟化個体において、被嚢の主成分であるセルロースは分解されていないことが分かった。本課題では、Azumiobodo hoyamushi（ホヤムシ）が分泌するプロテアーゼが被嚢中のタンパク質を分解することで構造が崩壊 ...
Current Status of Research Progress	3: Progress in research has been slightly delayed.

Research Products of this project	Presentation (2 results) Book (1 results)

3. Studies on control of the microbial communities on the surface of the biological filter system for prevention of diseases of fish in aquaculture.

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	General fisheries
Research Institution	University of Miyazaki
Principal Investigator	MAEDA Masachika Univ. Miyazaki, Faculty of Agriculture, Professor
Project Period (FY)	2002 – 2003Completed
Keywords	Biological control / Virucidal bacteria / Vibrio-static bacteria / Disease prevention / Aquaculture / Risks on the table
Research Abstract	The occurrence of bacteria which repressed the grown of Vibrio anguillarum and Edwardsiella tarda and also Infectious Haematopoietic Necrosis Virus at ...

Research Products of this project	Publications (14 results)

4. The establishment of analytic methods on immune systems in main fish

Research Project

Research Category	Grant-in-Aid for Scientific Research (B)
Research Field	General fisheries
Research Institution	Kitasato University
Principal Investigator	WATANABE Tasuku Kitasato University, School of Fisheries Sciences, Professor
Project Period (FY)	1999 – 2001Completed
Keywords	Elipsoid / Macrophage / Neutrophil / Opsonin / mRNA of IgM / Superoxide / Lectin / Melanomacrophage center
Research Abstract	Watanabe and Nakamura found that Japanese conger eel had extraordinary well developed splenic ellipsoids and that they played very important roles in ...

Research Products of this project	Publications (26 results)

5. Regulation of fish phagocytic functions by hormones and neurotransmitters

Research Project

Research Category	Grant-in-Aid for Scientific Research (B).
Research Field	General fisheries
Research Institution	Miyazaki University
Principal Investigator	IIDA Takaji Miyazaki University, Faculty of Agriculture, Professor
Project Period (FY)	1998 – 2000Completed
Keywords	stress / hormone / neurotransmitter / neutrophil / eosinophilic granular cell / head kidney phagocyte / respiratory burst / phagocytosis
Research Abstract	Plasma cortisol level of subordinate tilapia under social stress increased significantly, and neutrophil defense activities (respiratory burst and pha ...

Research Products of this project	Publications (15 results)

6. Isolation of fish macrophage and its physiology

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	General fisheries
Research Institution	Miyazaki University
Principal Investigator	ENDO Makoto Miyazaki Univ., Fac. Agriculture, Assoc. Professor
Project Period (FY)	1997 – 1999Completed
Keywords	Fish / Macrophage / swim bladder / inflammation / phagocytosis / cytokine
Research Abstract	Neutrophils of Tilapia Oreochromis niloticus were collected from the swim bladder 24 hrs after infection with 1 mg/fish of formalin-killed Eschericia ...

Research Products of this project	Publications (10 results)

7. The existence of NADPH oxidase in fish neutrophils

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	General fisheries
Research Institution	Miyazaki University
Principal Investigator	IIDA Takaji Miyazaki University, Associate Professor Faculty of Agriculture
Project Period (FY)	1996 – 1997Completed
Keywords	Japanese eel / neutrophil / NADPH oxidase / active oxygen / cytochrome b558 / respiratory burst
Research Abstract	During respiratory burst, eel neutrophils consumed oxygen, and produced active oxigens. Superoxide production was equivalent to oxygen consumption, an ...

Research Products of this project	Publications (8 results)

8. Effect of ammonia to fish neutrophils and its permissible level

Research Project

Research Category	Grant-in-Aid for Scientific Research (C)
Research Field	General fisheries
Research Institution	Miyazaki University
Principal Investigator	ENDO Makoto Miyazaki Univ.Fac.Agriculture, Ass.Professor
Project Period (FY)	1995 – 1996Completed
Keywords	ammonia toxicity / water quality / fish / neutrophil / swim bladder / inflammation
Research Abstract	0.2ml of bacterial solution (E.coli, 5mg/ml) was injected into a swim bladder of tilapia under 25ﾟC-WT.At 24 hrs post-injection, the exudative fluid w ...

Research Products of this project	Publications (7 results)

9. ウナギ好中球の酸素依存性殺菌作用に関する研究

Research Project

Research Category	Grant-in-Aid for General Scientific Research (C)
Research Field	General fisheries
Research Institution	The University of Tokyo
Principal Investigator	若林久嗣東京大学, 農学部, 教授
Project Period (FY)	1995Completed
Keywords	ウナギ / 好中球 / レスピラトリ-・バースト / スーパーオキシド / 化学発光 / 酸素消費量 / 過酸化水素産生量 / 活性酸素
Research Abstract	ウナギ好中球を刺激すると溶存酸素の急激な消費、すなわちrespiratory burst、が起きることを明らかとした。このrespiratory burstはミトコンドリア呼吸阻害剤の影響を受けなかった。スーパーオキシド特異的増光剤CLAを利用した化学発光によりこのrespiratory burst ...

Research Products of this project	Publications (1 results)

10. Virulence factors of fish pathogenic bacteria

Research Project

Research Category	Grant-in-Aid for international Scientific Research
Research Institution	The University of Tokyo
Principal Investigator	WAKABAYASHI Hisatsugu Graduate School of Agricultural and Life Sciences, University of Tokyo, Professor
Project Period (FY)	1994 – 1996Completed
Keywords	Cytophaga psychrophila / Aeromonas hydrophila / Vibrio anguillarum / Edwardsiella tarda / fish-pathogenicity / protease / siderophore / hemolysin gene / virulence factor
Research Abstract	1. The ECPs of Cytophaga phychrophila isolates were analyzed by substrate SDS-PAGE.Proteases of 114 and 152 kDa had activity against both casein and g ...

Research Products of this project	Publications (11 results)

11. Disease servry of livestock and fish in Indonesia

Research Project

Research Category	Grant-in-Aid for international Scientific Research
Research Institution	Miyazaki University
Principal Investigator	TATEYAMA Susumu Miyazaki University, Faculty of Agriculture, Professor
Project Period (FY)	1993 – 1995Completed
Keywords	Indonesia / livestock / Fishes / Chicken / Gourami / Infectious disease
Research Abstract	The present cooperative research between Bogor Agricultural University, Indonesia, and Miyazaki University, Japan revealed the characteristics of seve ...

Research Products of this project	Publications (14 results)

12. The application of advanced techniques in fish pathology

Research Project

Research Category	Grant-in-Aid for international Scientific Research
Research Institution	Tokyo University of Fisheries (1994-1995) University of Miyazaki (1993)
Principal Investigator	AOKI Takashoi (1994-1995) Faculty of Fisheries, Tokyo University of Fisheries 延東真 (1993) 宮崎大学, 農学部, 助教授
Project Period (FY)	1993 – 1995Completed
Keywords	RAPD-PCR / Hemolysin gene / Drug resistance / Virulence / Onco-gene / EIBS virus / Immuno globulin / environmental toxin
Research Abstract	The research collaboration between University of Stirling and Tokyo University of Fisheries, Miyazaki University and The University of Tokyo supported ...

Research Products of this project	Publications (135 results)

13. Studies on the mechanism of antibody production of carp in a myxosporean infection

Research Project

Research Category	Grant-in-Aid for General Scientific Research (C)
Research Field	General fisheries
Research Institution	University of Tokyo
Principal Investigator	OGAWA Kazuo Univ.of Tokyo, Fac.of Agr., Ass.Prof.
Project Period (FY)	1992 – 1993Completed
Keywords	Cyprinus carpio / myxosporeans / Myxobolus artus / antibody production / vaccine
Research Abstract	Myxobolus artus formed pseudocysts in the skeletal muscle of carp. Some pseudocysts showed abnormal growth, imperfect encapsulation of the parasite by ...

Research Products of this project	Publications (6 results)

14. The function of Protozoa and Bacteria Coexisting in the Mas Culture of the Rotifer Brachionus Plicatilis

Research Project

Research Category	Grant-in-Aid for General Scientific Research (C)
Research Field	General fisheries
Research Institution	The university of Tokyo
Principal Investigator	HINO Akinori The university of Tokyo, Faculty of Agriculture, Assoc. Prof.
Project Period (FY)	1990 – 1991Completed
Keywords	rotifer / stable isotope / Brachionus plicatilis / bacteria / protozoa / food web
Research Abstract	This study intended to know the function of both protozoa and bacteria in the culture of the rotifer Brachionus plicatilis, as a part of researches on ...

Research Products of this project	Publications (6 results)

15. Study on the function of micro-organisms coexisting in the mass culture of the rotifer Brachionus plicatilis

Research Project

Research Category	Grant-in-Aid for General Scientific Research (C)
Research Field	General fisheries
Research Institution	the University of Tokyo
Principal Investigator	HINO Akinori The University of Tokyo
Project Period (FY)	1987 – 1988Completed
Keywords	Brachionus plicatilis / Bacterial Flock / Protozoa / Energy Flow / Vitamine B12
Research Abstract	This is the fundamental study for making clear the function of micro organisms which are co-existing in the culture of the rotifer Brachionus plicatil ...

Research Products of this project	Publications (6 results)

16. 餌料生物培養のシステム化に関する基礎的研究

Research Project

Research Category	Grant-in-Aid for General Scientific Research (C)
Research Field	General fisheries
Research Institution	The University of Tokyo
Principal Investigator	日野明徳東大, 農学部, 助教授
Project Period (FY)	1986Completed
Keywords	シオミズツボワムシ / エナジーフロー / 細菌類 / 原生動物 / 全窒素量 / 槽内生態系
Research Abstract	本研究の特色は、シオミズツボワムシ(以下ワムシ)大量培養槽内に共存する細菌や原生動物等の微小生物を槽内環境の演出者としてとらえ、その動態とワムシ増殖の関係を知ることによって、槽内生態系の成り立ちを明らかにする事に有った。研究には、30トン屋外水槽4面における間引き式培養および0.6トン室内水槽6面に ...

17. Studies on non-specific defence mechanism to bacterial infections in fishes.

Research Project

Research Category	Grant-in-Aid for General Scientific Research (B)
Research Field	General fisheries
Research Institution	The University of Tokyo
Principal Investigator	WAKABAYASHI Hisatsugu Faculty of Agriculture, Univ. of Tokyo, Professor
Project Period (FY)	1986 – 1987Completed
Keywords	non-specific defence mechanism / neutrophils / complement / eel / carp / chemiluminescece assay / opsonization
Research Abstract	Biological activities of eel complement activated through the alternative pathway were investigated. The normal eel sera were mixed with zymozan, whic ...

Research Products of this project	Publications (6 results)