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논문 기본 정보

자료유형
학술저널
저자정보
Kim Jin A (Department of Convergence Study on the Ocean Science and Technology, Korea Maritime and Ocean University, Busan 49112, Korea) Kim Min Ju (Division of Marine BioScience, Korea Maritime and Ocean University, Busan 49112, Korea) Kim Jun-Hwan (Department of Aquatic Life Medicine, Jeju National University, Jeju 63243, Korea) 최철영 (한국해양대학교)
저널정보
한국해양과학기술원 Ocean and Polar Research Ocean and Polar Research Vol.46 No.1
발행연도
2024.3
수록면
55 - 64 (10page)
DOI
10.4217/OPR.2024008

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초록· 키워드

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Light is an external environmental factor that affects the biorhythms of aquatic organisms and is involved in their behavior, reproduction, and various biological responses. The biorhythm (24-h cycle) of organisms is controlled internally by clock genes, such as period (Per), cryptochrome (Cry), and melatonin receptor (MT-R), and is externally controlled by light, food, and temperature. In this study, the experimental organisms were divided into photoperiod and LED groups. The photoperiod group was exposed to two photoperiods (LD, 12 h light: 12 h darkness; DD, constant darkness), and the LED group was exposed to a red LED light (wavelength, 630 nm; 12 h LED light: 12 h darkness). Per and Cry mRNA expression levels increased during the bright phase and decreased during the dark phase. MT-R mRNA expression decreased during the bright period and increased during the dark period. The trend in clock gene expression in the RD group was similar to that in the DD group but not in the LD group. Red LED irradiation induced gene expression similar to the 24 h memorization condition, suggesting that long-wavelength light conditions can change the biorhythm of abalones. This study provides academic information on the biorhythm cycle of abalone (a marine gastropod), which is less well known than that of fish and can aid in predicting the physiological response of abalones to changes in light wavelength.

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