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논문 기본 정보

자료유형
학술저널
저자정보
계명찬 (한양대학교 자연과학대학 생명과학과)
저널정보
한국수생태학회 한국하천호수학회지 한국하천호수학회지 제37권 제1호
발행연도
2004.1
수록면
122 - 129 (8page)

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초록· 키워드

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In an effort to develop the biomarker for monitoring the contamination of xenoestrogen in the freshwater environment of Korea, reverse transcription-polymerasechain reaction (RT-PCR) analysis of vitellogenin (VTG) gene expression was optimized in Hearisarsus Iaseo, Based on the homology of the VTG cDNA sequences between the common carp and zebra fish, a set of PCR primers for VTG mRNA amplification for H; labo was designed. VTG mRNA level in livers from female and male fishes was analyzed by RT-PCR following single injection of 17 beta estradiol($E_2$ 10 mg $kg^{-1}$ B.W.). As an internal control, beta actin mRNA was amplified. One us of total liver RNA was subjected to RT-PCR. In female the amount of PCR productof VfC gradually increased in the range from 16 to 34 cycles of amplification. On the contrary, in control male, PCR product first detected at 32 cycles of amplification and linearly increased up to 40 cycles of amplification. In $E_2$ injected male liver, the VTC mRNA level was similar to that in the female. Taken together, this result suggests that liver of male H. labo expresses minute amount of VTG mRNA which are2-l6 equivalent of female and that induction of VTG mRNA occurs in male liver after estrogen treatment. In conclusion, the optimized protocol for RT-PCR analysis of VTG mRNA expression in liver of male H. labo will provide the environmental monitoring method for the xenoestrogen contamination in the rivers in Korea.

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