AI Article Synopsis
- DCOIT, a key ingredient in SeaNine-211, serves as an eco-friendlier antifouling agent compared to traditional organotin compounds, aimed at preventing marine organism growth on ships.
- This study focused on the impact of DCOIT on Marine Chlorella sp. by evaluating its toxic effects using specific concentrations and measuring oxidative stress indicators.
- Results indicated that DCOIT had an IC50 of 2.522 mg/L, affecting photosynthesis-related genes by promoting low concentrations while inhibiting high concentrations, ultimately showing a significant impact on plant photosynthesis.
Article Abstract
DCOIT (4,5-dichloro-2-n-octyl-4-isothiazolin-3-one) is the main ingredient in SeaNine-211, a new antifouling agent that replaces organotin compounds to prevent the growth of fouling organisms on board. Biocides from antifoulants can cause problems for marine ecosystems by destroying non-target algal species. This study evaluated the potential adverse effects DCOIT using the Marine Chlorella sp. The concentration of DCOIT were set according to the semi-inhibitory concentrations for acute exposure experiments, and relevant oxidative stress indicators were measured to assess the acute toxic effects. The results showed that the inhibition concentrations (IC50) of DCOIT against Marine Chlorella sp was 2.522 mg/L. The genes related to photosynthesis and antioxidant capacity showed the effect of promoting low concentration and inhibiting high concentration. In addition, based on the ultrastructural observation and the expression analysis of photosynthesis related genes, it was found that DCOIT had a significant effect on plant photosynthesis.
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| http://dx.doi.org/10.1007/s00128-022-03623-2 | DOI Listing |
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