지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.10
- 수록면
- 1,424 - 1,431 (8page)
- DOI
- 10.13000/JFMSE.2019.10.31.5.1424
이용수
초록· 키워드
오류제보하기
Insulin-like growth factors(IGFs) are important in vertebrate embryogenesis and fetal growth of mammals and fish. The Pacific oyster(Crassostrea gigas) is one of the most important aquaculture species in Asia. However, the production of nature seed fluctuates widely year to year. One recent cause of this decrease is increasing seawater pollution to deal with this problem, superior seed production is needed. In particular, early seed production, which is determined by embryogenesis, is vital for aquaculture success. Therefore, this study examined the role of growth factor IGF-I activity during C. gigas embryogenesis. One-year-old cultured C. gigas obtained from Gyeongsangnam-do, Jaranman, Korea(34°51′32.34″ N, 128°12′23.44″ E) were used to collect eggs and sperm. The eggs were maintained in three 20L tanks at 23℃. Each development stage was classified as being reached when more than 80% of the embryos reached that step. C. gigas larvae were sampled at the unfertilized egg, fertilized egg, blastula, gastrula, trochophore, and D-shaped larva stages. The activity of IGF-I was high in the blastula, and IGF-I receptors decreased as development progressed. Tyrosine-phosphorylation was also similar to the expression of IGF-I. Based on these results, we confirmed that the embryonic development of C. gigas is associated with IGF-I activity.
목차
Abstract
Ⅰ. 서론
Ⅱ. 연구 방법
Ⅲ. 연구 결과 및 고찰
Ⅳ. 결론
References
참고문헌 (26)
참고문헌 신청
Vikash Chandra / 2011 / Temporal expression pattern of insulin-like growth factors (IGF-1 and IGF-2) ligands and their receptors (IGF-1R and IGF-2R) in buffalo (Bubalus bubalis) embryos produced in vitro / Livestock Science 135(2-3):225~230
Chang YJ / 2000 / Effect of water temperature on the egg development of pearl oyster, Pinctada fucata martensii and Pacific oyster, Crassostrea gigas / J Korean Fish Soc 33:559~564
Duan C / 1997 / The insulin-like growth factor system and its biological actions in fish / Amer Zool 37:491~503
Duan C / 1998 / Nutritional and developmental regulation of insulin-like growth factors in fish / J Nutr 128:306~314
Cunming Duan / 2005 / Roles of insulin-like growth factor (IGF) binding proteins in regulating IGF actions / General and Comparative Endocrinology 142(1-2):44~52
Chang YJ / 2000 / Effect of water temperature on the egg development of pearl oyster, Pinctada fucata martensii and Pacific oyster, Crassostrea gigas / J Korean Fish Soc 33:559~564
Duan C / 1997 / The insulin-like growth factor system and its biological actions in fish / Amer Zool 37:491~503
Duan C / 1998 / Nutritional and developmental regulation of insulin-like growth factors in fish / J Nutr 128:306~314
Cunming Duan / 2005 / Roles of insulin-like growth factor (IGF) binding proteins in regulating IGF actions / General and Comparative Endocrinology 142(1-2):44~52
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UCI(KEPA) : I410-ECN-0101-2019-454-001237955