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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Detection Methods Environmental Sources Gut & Microbiome Marine & Wildlife Sign in to save

Microplastics abundance in sea cucumber Holothuria scabra from Pulau Malawali, Sabah, Malaysia

Asia-Pacific Journal of Molecular Biology and Biotechnology 2024 Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Sarah Syazwani Shukhairi, Sarah Syazwani Shukhairi, Sarah Syazwani Shukhairi, Sarah Syazwani Shukhairi, Nur Nashrah Abd Rahman, Sarah Syazwani Shukhairi, Sarah Syazwani Shukhairi, Sarah Syazwani Shukhairi, Vijay Kumar Subbiah, Sarah Syazwani Shukhairi, Nurzafirah Mazlan, Nurzafirah Mazlan, Nur Nashrah Abd Rahman, Sarah Syazwani Shukhairi, Nur Nashrah Abd Rahman, Nur Nashrah Abd Rahman, Sarah Syazwani Shukhairi, Nur Nashrah Abd Rahman, Sarah Syazwani Shukhairi, Sarah Syazwani Shukhairi, Nurzafirah Mazlan, Sarah Syazwani Shukhairi, Sarah Syazwani Shukhairi, Sarah Syazwani Shukhairi, Nurzafirah Mazlan, Nurzafirah Mazlan, Nurzafirah Mazlan, Nurzafirah Mazlan, Nur Nashrah Abd Rahman, Nurzafirah Mazlan, Sarah Syazwani Shukhairi, Sarah Syazwani Shukhairi, Sarah Syazwani Shukhairi, Nurzafirah Mazlan, Nurzafirah Mazlan, Nurzafirah Mazlan, Nur Nashrah Abd Rahman, Vijay Kumar Subbiah, Sarah Syazwani Shukhairi, Nur Nashrah Abd Rahman, Nurzafirah Mazlan, Nurzafirah Mazlan, Nur Nashrah Abd Rahman, Sarah Syazwani Shukhairi, Muhammad Nor Afdall Nazahuddin, Sarah Syazwani Shukhairi, Nur Nashrah Abd Rahman, Nur Nashrah Abd Rahman, Nur Nashrah Abd Rahman, Muhammad Nor Afdall Nazahuddin, Muhammad Nor Afdall Nazahuddin, S. N. Saud, Muhammad Nor Afdall Nazahuddin, Muhammad Nor Afdall Nazahuddin, Muhammad Nor Afdall Nazahuddin, S. N. Saud, Muhammad Nor Afdall Nazahuddin, Muhammad Nor Afdall Nazahuddin, Nur Nashrah Abd Rahman, Muhammad Nor Afdall Nazahuddin, Nur Nashrah Abd Rahman, Muhammad Nor Afdall Nazahuddin, Muhammad Nor Afdall Nazahuddin, S. N. Saud, S. N. Saud, Amir Syazwan Shawel, Amir Syazwan Shawel, Amir Syazwan Shawel, Amir Syazwan Shawel, Sarah Syazwani Shukhairi, Muhammad Nor Afdall Nazahuddin, S. N. Saud, Muhammad Nor Afdall Nazahuddin, S. N. Saud, Vijay Kumar Subbiah, Amir Syazwan Shawel, Vijay Kumar Subbiah, Audrey Daning Tuzan, Nurzafirah Mazlan, Nurul Ain Jais, Muhammad Nor Afdall Nazahuddin, S. N. Saud, Nurul Ain Jais, Audrey Daning Tuzan, Vijay Kumar Subbiah, Amir Syazwan Shawel, S. N. Saud, Atna Permana, Atna Permana

Summary

Researchers measured microplastic abundance in sea cucumbers (Holothuria scabra) from Pulau Malawali in Sabah, Malaysia, finding microplastic particles in all examined specimens. Fibres were the dominant particle type, and concentrations were similar to those reported for sea cucumbers in other tropical regions, confirming widespread microplastic exposure in this commercially important species.

Body Systems
Digestive

The growing amount of plastic waste in the environment is a result of the increased use of plastics in numerous areas of our daily lives. These plastics are broken down into microplastics (MPs), which are 5 mm or smaller in size. Sea cucumbers are consumed as an exotic delicacy worldwide, however, it is suspected that they could ingest the microplastics due to their nature as filter feeder. In this study, we have identified the MPs presence in the intestines of sea cucumber Holothuria scabra. A total of 30 sea cucumber H. scabra were collected during low tide at a muddy sandy area at Pulau Malawali using bare hands. The gastrointestinal tracts of H. scabra were removed and digested in NaOH. MPs were identified using light microscope and categorized into shapes and colours. Micro-Fourier Transform-Infrared Spectroscopy (µFTIR) analysis was carried out to identify the types of polymers. The majority colours of MPs were black (69.84%) and blue (18.65%). Fibres (98.38%) made up the majority of MPs followed by fragments (1.37%) and films (0.25%). Ethylene Vinyl Acetate (EVA), Melamine-Formaldehyde (MF) and Rayon were among the polymers identified. In conclusion, MPs were found in the intestines of the sea cucumber H. scabra and this could be from the ingestion of polluted sea bed. The importance of studying the presence of these MPs in sea cucumber allows us to assess the impact of plastic pollution on marine animals and ecosystems and understand the potential risks to both sea cucumber and human as consumers.

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