굴 Crassostrea gigas 부착기 유생의 부착에 미치는 신경전달물질종의 영향 = The Effect of Neuroactive Compounds on Settlement of Pacific Oyster, Crassostrea gigas Pediveliger Larvae

국문 초록 (Abstract)

굴 부착기 유생의 부착 유인 효과를 조사하기 위하여 6종류 (L-3,4-dihydroxyphenylalanine, serotonin, ${\gamma}$-amino butyric acid, norepinephrine, epinephrine, methyl bromide)의 신경전달물질을 채묘기질에 직접 처리하여 굴 부착기 유생의 부착 유인 효과를 조사하였다. 조사결과 평균 채묘율는 각각 $29.1{\pm}2.2%$, $35.4{\pm}2.0%$, $19.2{\pm}2.1%$, $11.0{\pm}1.2%$, $15.2{\pm}0.9%$ 및 $42.7{\pm}2.7%$ 로 MB 처리구에서 가장 높은 결과를 보였고, norepinephrine 처리구에서 유의적으로 가장 낮은 결과를 보였다 (P < 0.05). 채묘기질 $cm^2$당 부착밀도와 부착빈도는 ${\gamma}$-amino butyric acid와 methyl bromide 처리구에서 각각 $1.97{\pm}1.42$ 및 $2.37{\pm}1.86$ 마리/$cm^2$로 가장 높은 부착밀도를 보였다 (P < 0.05). 본 실험결과 굴 인공종묘배양장 등에서 부착기 유생의 부착요율을 높이는데, ${\gamma}$-amino butyric acid와 Methyl bromide를 이용하면 효과적일 것으로 보인다.

참고문헌 (Reference)

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