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Oxidative stress on Acropora species in Pulau Redang<br />

Wan Aina Mardiah Binti Wan Mat Nor<br />

Supervisor: Dr. Siti Nurtahirah Binti Jaafar<br />

Bachelor of Science (Marine Biology)<br />

School of Marine and Environmental Sciences<br />

Human activities and anthropogenic pollution may induce high production of<br />

reactive oxygen species (ROS) and lead to oxidative stress corresponding to<br />

damaging the coral tissues. The catalase (CAT) and glutathione S-transferase<br />

(GST) generally present in all organism to detoxify the ROS. Thus, CAT and<br />

GST were studied in Acropora stony species coral from three different<br />

sites in Pulau Redang which were Pantai Pasir Panjang (ST1), Redang Reef<br />

Resort (ST2) and Teluk Tigi (ST3). Stress response in Acropora species were<br />

analysed by determining the level of CAT and GST activities with different<br />

wavelength using spectrophotometer. Significant interaction was observed on<br />

GST activities (p

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