May 3, 2024

Scientists Discover Nature’s Secret Weapon Against Coral Bleaching

In recent years, as an outcome of climate change, this condition has affected the majority of the worlds significant coral barrier reefs, including Australias Great Barrier Reef. Regrettably, there are currently no efficient methods to prevent and counteract coral bleaching without seriously jeopardizing these environments and their associated biodiversity.
Development With Curcumin
The researchers from IIT and the University of Milan-Bicocca, together with Genoa Aquarium, have showcased the efficiency of curcumin in avoiding coral whitening caused by climate modification. This natural particle is provided to the coral by means of a regulated process using a biomaterial based on zein– a protein stemmed from maize. This system was developed by the scientists themselves to make sure environmental safety.
Throughout the tests brought out at Genoa Aquarium, tropical sea overheating conditions were imitated by raising the water temperature level to 33 ° C( 91 ° F ). In these circumstances, all unattended corals experienced bleaching, while curcumin-treated corals showed no indications of this effect. This outcome indicates the efficiency of this technique in minimizing corals vulnerability to thermal stress. The coral types utilized for this study was Stylophora pistillata, a type typical in the tropical Indian Ocean and listed on the IUCN (International Union for the Conservation of Nature) Red List of endangered species.
Patent Application and Future Research
” This technology is the subject of a patent application that has actually been filed, and in truth the next actions of this research will concentrate on its application in nature and on a big scale,” stated Marco Contardi, first author of the research study, research affiliate of the Smart Materials group at Istituto Italiano di Tecnologia and researcher in DISAT (Department of Environmental and Earth Sciences) at the University of Milan-Bicocca. “At the exact same time, we will examine making use of other antioxidant compounds of natural origin to block the bleaching process and thus prevent the destruction of coral reefs.”
” The use of new naturally degradable and biocompatible materials efficient in releasing natural substances that can lower coral bleaching is something entirely new,” said Simone Montano, scientist at DISAT and deputy director of the MaRHE center (Marine Research and High Education Centre) at the University of Milan-Bicocca. “I highly believe that this innovative approach will represent a significant advancement in the advancement of techniques for the recovery of marine environments.”
Reference: “Biodegradable Zein-Based Biocomposite Films for Underwater Delivery of Curcumin Reduce Thermal Stress Effects in Corals” by Marco Contardi, Marta Fadda, Valerio Isa, Yohan D. Louis, Andrea Madaschi, Sara Vencato, Enrico Montalbetti, Laura Bertolacci, Luca Ceseracciu, Davide Seveso, Silvia Lavorano, Paolo Galli, Athanassia Athanassiou and Simone Montano, 27 June 2023, ACS Applied Materials & & Interfaces.DOI: 10.1021/ acsami.3 c01166.

Stylophora pistillata coral covered with biomaterial throughout thermal tension tests. Credit: IIT/Universit à Milano-Bicocca
Researchers at Istituto Italiano di Tecnologia– IIT and University of Milan-Bicocca have demonstrated the efficacy of a natural substance in safeguarding coral from the damage caused by environment modification.
A just recently published study in ACS Applied Materials and Interfaces demonstrates the efficacy of curcumin, a natural antioxidant compound extracted from turmeric, in reducing coral bleaching, a phenomenon caused mainly by climate modification. The research study group, consisting of scientists at Istituto Italiano di Tecnologia (Italian Institute of Technology– IIT) and Università degli Studi di Milano-Bicocca (University of Milan-Bicocca), in cooperation with Acquario di Genova (Genoa Aquarium) in Italy, established a biodegradable biomaterial to deliver the molecule without causing damage to the surrounding marine environment. Tests carried out at the Genoa Aquarium have actually revealed considerable effectiveness in avoiding coral lightening.
The Impact and Cause of Coral Bleaching
Coral lightening, under extreme circumstances, can lead to the death of coral organisms, leading to devastating repercussions for reef. These reefs are crucial to the global economy, the protecting of shorelines from natural disasters, and the conservation of marine biodiversity. The bulk of corals exist side-by-side symbiotically with microscopic algae, which are essential for their survival and dynamic pigmentation. Increasing sea and ocean temperatures due to climate modification can interrupt this symbiosis, leading to coral bleaching. In this condition, corals turn white from the loss of algae and face the risk of hunger.

A recently published research study in ACS Applied Materials and Interfaces demonstrates the effectiveness of curcumin, a natural antioxidant compound extracted from turmeric, in lowering coral lightening, a phenomenon triggered mostly by environment modification. Tests conducted at the Genoa Aquarium have revealed substantial effectiveness in avoiding coral bleaching.
Coral bleaching, under extreme circumstances, can result in the death of coral organisms, leading to ravaging consequences for coral reefs. The scientists from IIT and the University of Milan-Bicocca, together with Genoa Aquarium, have showcased the effectiveness of curcumin in preventing coral bleaching caused by environment change. In these scenarios, all neglected corals experienced bleaching, while curcumin-treated corals displayed no indications of this effect.