More than 94 organisms have the light-emitting ability of bioluminescence, but scientists don't know why

More than 94 organisms have the light-emitting ability of bioluminescence, but scientists don't know why



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New Delhi: A study published by deep-sea marine biologists has shed new light on a mysterious phenomenon. BioluminescenceHis research suggests that there are at least 94 different Organisms Have the ability to produce their own light through internal chemical reactions.
Despite its widespread prevalence, the origin and basic function of bioluminescence remains unknown.
What does this article written by Daniel DiLeo focus on? OctocoralsThese are soft-bodied corals, such as sea fans, that have a tree-like structure and are found in oceans around the world. It includes about 3,500 species, many of which display bioluminescent abilities.
A 2022 study examined the evolutionary relationships among these corals, taking advantage of genetic data and fossil evidence. This makes octocorals an excellent subject for exploring the origins and historical spread of bioluminescence.
According to experts in deep-sea biology, bioluminescence is widely present in the marine environment. It was seen in the famous Malayalam film Kumbalangi Nights.
In their latest findings, published in April 2024, scientists present the oldest known record of bioluminescence, dating back more than 540 million years during the Cambrian explosion – a period of rapid animal diversification.
In addition, scientists are investigating bioluminescence in other deep-sea creatures, such as shrimp, which use light as a defensive mechanism and for communication in the dark depths. These studies aim to find out how environmental light conditions affect the evolution of bioluminescence and what impact this has on the evolution of vision in marine organisms.
By mapping the presence of bioluminescence on the octagonal tree of life, researchers traced its evolution and proposed early light signaling as a form of communication between ancient marine species.
(With inputs from PTI)





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