| Project/Area Number |
23380115
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
General fisheries
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| Research Institution | Kitasato University |
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Principal Investigator |
AMANO MASAFUMI 北里大学, 海洋生命科学部, 教授 (10296428)
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| Co-Investigator(Kenkyū-buntansha) |
TAKAHASHI Akiyoshi 北里大学, 海洋生命科学部, 教授 (10183849)
CHIBA Hiroaki 北里大学, 海洋生命科学部, 准教授 (50236816)
MIZUSAWA Kanta 北里大学, 海洋生命科学部, 講師 (70458743)
AMIYA Noriko 北里大学, 海洋生命科学部, 講師 (20588503)
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| Project Period (FY) |
2011-11-18 – 2014-03-31
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2013: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2012: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Keywords | ストレス / 摂食 / 生殖 / 神経ペプチド / 魚類 / CRH / GnRH / コルチゾル / ＣＲＨ / ＧｎＲＨ / ＭＣＨ / MCH |
|---|
| Research Abstract |
Relationship between stress and feeding-reproductive system in teleost fish was examined as a basis for aquaculture. The stress-related corticotropin-releasing hormone (CRH) was detected in many teleost fishes such as Japanese eel, red seabream, tiger puffer, sturgeon and medaka by immunohistochemistry. Furthermore, it is indicated that reciprocal connections exist between the CRH neurons and gonadotropin-releasing hormone (GnRH) neurons in the Japanese eel. It is also indicated that background color affects body color, feeding, somatic growth, plasma cortisol levels and hypothalamic CRH mRNA levels in the Japanese eel.
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