The Potential Use of Oryzias celebensis Embryo Heart Rate as a Simple and Non-Invasive Biomarker to Detect the Adverse Effects of UV-C Light

Abstract

The impact of radiation from UV rays is very important to observe on the environment and aquatic organisms. Research on the use of heartbeat as a biomarker in Oryzias celebensis embryos to detect the adverse effects of ultraviolet C light (UV-C) was carried out. This research was conducted using O. celebensis embryos, which were exposed to UV-C (250 nm) for 3 days with an exposure time of 15, 10, and 5 minutes. The controls in the study were embryos without UV-C irradiation. The embryo's heart rate was calculated starting from stage 24 until hatching. ANOVA was used to determine differences in embryo heart rate between controls and treatments. The results showed that 15 minutes and 10 minutes of UV-C exposure were significantly different from the control (P<0.05). This proves that the duration of UV-C exposure harms the embryo. The results of the study concluded that the heart rate of O. celebensis embryos can be used as a simple and non-invasive biomarker to detect the adverse effects of UV-C.

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