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NTIS 바로가기한국수산과학회지 = Korean journal of fisheries and aquatic sciences, v.53 no.4, 2020년, pp.515 - 523
박철지 (국립수산과학원 육종연구센터) , 김은정 (부경대학교 해양바이오신소재학과) , 남윤권 (부경대학교 해양바이오신소재학과)
Basal and heat shock-induced mRNA expression patterns of major heat shock protein (HSP) genes, including those encoding heat shock protein (HSP) 90, HSP70, HSP70-12A, heat shock inducible protein 70 (HSIP70), heat shock binding protein 1 (HSPBP1), HSP60, and HSP40 were examined in the gill and hepat...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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전복양식에서 문제를 야기시키는 여러 환경 요인으로는 무엇이 있나? | 전복양식에서 문제를 야기시키는 여러 환경 요인들 중 지구온난화와 관련한 수온의 증가와 여름철 고수온 환경의 장기간 유지가 최근 전복 양식의 생산성을 저하시키는 주요 환경 요인들로 주목 받고 있으며, 때문에 고수온 충격 또는 고수온 노출에 대한 전복의 생리 반응에 대한 분자 메커니즘을 이해하기 위한 여러 연구들이 이루어지고 있다(Chen et al., 2019; Kyeong et al. | |
3배체 유도 기술이 불임 효과를 통한 부가적인 경제 형질의 차등 발현을 유도하거나 인위적으로 형성한 육종 계통 또는 유전자변형 계통의 생식학적 제어 (reproductive confinement) 전략으로써 그 가능성을 인정받는 이유는 무엇인가? | 유도된 3배체(triploidy)는 일반적인 2배체(diploidy)에 비해서 1.5배 증가된 genome 크기를 갖도록 설계된 개체로서 2배체와 달리 3개의 상동염색체를(homologous chromosomes) 보유하게 되므로 제1감수분열(meiosis I)에서 상동염색체들간의 등 분할이 어렵기 때문에 감수분열의 지연 또는 억제에 따른 소위 불임 효과(sterility effect)의 유도된다(Piferrer et al., 2009; Dheilly et al. | |
무엇을 통해 전복의 양식생산고의 많은 양적 성장을 이루었는가? | 전복(Haliotis discus hannai)은 우리나라 주요 해산 양식 패류 종으로서 2000년대에 들어 인공종묘생산 기술의 발달과 해상 가두리 양식 방법의 이용을 통해 양식생산고의 많은 양적 성장이 이루어진 바 있다(Park and Kim, 2013). 그러나 최근 들어 여름철 고수온 환경의 심화에 따른 생존율 저하 및 빈번한 질병 유발 등 국내 전복 양식의 단위 노력 당 생산성은 점차 저하되고 있는 실정이며, 이에 전복의 양식 생산성 개선을 위해 선발 육종을 위시하여 여러 육종 연구들이 추진되고 있고, 그 일환으로서 염색체 공학을 이용한 삼배체(triploidy) 전복의 개발과 경제 형질의 평가가 진행되고 있다(Park et al. |
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