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NTIS 바로가기Journal of environmental science international = 한국환경과학회지, v.29 no.6, 2020년, pp.633 - 641
Water temperature is one of the most important factors of fish survival, affecting the habitat, migration route, development, and reproduction. This experiment studied the induction level of heat shock protein (HSP70) mRNA and protein in a walleye pollock (Gadus chalcogrammus) primary hepatocyte cul...
핵심어 | 질문 | 논문에서 추출한 답변 |
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열충격단백질이란 무엇인가? | 열충격단백질(Heat Shock Proteins; HSPs)은 원핵생물에서부터 진핵생물까지 잘 보존되어 있고, 정상 상태에서도 존재하지만, 열, 활성산소, pH, 중금속, 박테리아 감염과 같은 외부 환경에 노출이 되면 생체 내에서 급격하게 발현이 되는 스트레스 단백질이다(Guerriero etal., 2002; Dong et al. | |
어류는 변온 동물임에도 불고하고 기후변화에 따른 수온 변화에 크게 영향을 받는 이유는 무엇인가? | 2011a), 서식 온도의 한계를 넘어서는 급격한 온도변화는 어류의 여러 조직에서 활성 산소와 같은 산화적 스트레스(oxidative stress)를 생성시켜 생화학적 및 생리학적 문제를 발생시키게 된다(Parihar et al., 1996;Lushchak and Bagnyukova, 2006). | |
HSP의 분자량에 따른 분류는 무엇인가? | HSP는 유기체의 발달 동안 형태학적 변화 및 세포 방어 그리고 분자 chaperones으로써 잘못 접힌 펩티드의 재 접힘에 관여함으로써 생체 내에서 스트레스로부터 방어 역할을 한다 (Tomanek, 2010). HSP들은 분자량을 기초로 하여 HSP90 (85-90kDa), HSP70 (68-73 kDa) 및 저분자HSP (16-47 kDa) 등의 그룹으로 나누어지며, HSP들 중에서도 HSP70은 박테리아에서부터 포유류까지 넓게 분포하고 있으며 환경적 스트레스에 크게 반응을 한다 (Podrabsky and Somero 2004; Somero, 2010). 명태 (Gadus chalcogrammus)는 캄차카 반도와 베링해에서부터 한국의 동해안 연안과 북아메리카 중앙 캘리포니아 연안에 이르기까지 널리 서식 한다(Carr and Marshall, 2008; Page et al. |
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