UV와 O3 노출에 따른 깔따구류의 생물학적 반응 및 열충격 단백질 70 발현
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서지정보
ㆍ발행기관 : 한국하천호수학회
ㆍ수록지정보 : 생태와 환경 / 56권 / 4호
ㆍ저자명 : 김지훈, 김원석, 박재원, 고봉순, 박기연, 곽인실
목차
서 론
재료 및 방 법
1. 실험생물
2. 급성 독성노출 실험 조건
3. 체색 변화
4. HSP70 유전자 발현
5. 통계 분석
결과 및 고 찰
적 요
REFERENCES
영어 초록
UV and O3 are materials used in the water treatment process, and many studies have been reported to remove organic matters, contaminants, and microorganisms. In this study, we were investigated effects of Chirnomidae (Chironomus flaviplumus, Chironomus riparius), which are contamination indicator species to exposure UV and O3 for the survival rate, body color change and gene expression response. The survival rate of C. flaviplumus exposed to UV decreased to about 70% after 24 hours, and C. riparius about 50%. There was no change in the survival rate of C. flaviplumus exposed to O3, and C. riparius decreased to 95% after 10 minutes of exposure, but there was no change during the subsequent exposure time. In addition, UV and O3 exposure to the two species in body color faded in a time-dependent. In the HSP70 gene expression, C. riparius showed an increase in expression after UV exposure compared to the control group, and a significant difference was shown 12 hours after exposure (P<0.05). C. flaviplumus exposed to O3 showed a relatively low expression compared to the control group, and showed a significant difference at 10 minutes and 1 hour after exposure (P<0.05). These results reported the ecotoxicological effects on Chironomidae according to UV and O3 exposure. Therefore, the results of this study can be used as basic data to understand the effects of UV and O3, which are disinfectants used in water treatment plants, on Chirnomidae entering plants. Key words: Chironomus flaviplumus, Chironomus riparius, UV, O3, acute toxicity, survival
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