Bioluminescence Explained In Tamil #devilfish #facts #bioluminescence

Bioluminescence Explained In Tamil | Glowing Waves in Marina Beach

Bioluminescence is light emitted by living organisms through a chemiluminescence reaction. That means it's a chemical reaction that produces light. The text mentions that this happens in various organisms like marine vertebrates, invertebrates, fungi, bacteria, dinoflagellates, and fireflies. Some animals have symbiotic bacteria (like Vibrio) producing the light, while others produce it themselves (autogenic).

Next, the mechanism: The reaction involves luciferin and luciferase. Luciferin is the pigment, and luciferase is the enzyme. The key point here is that molecular oxygen is involved in all studied systems, and often CO2 is released. For example, fireflies need magnesium and ATP, and their reaction produces CO2, AMP, and pyrophosphate. Other cofactors like calcium (for aequorin) or magnesium and ATP (for firefly luciferase) are also mentioned. So different organisms might have different requirements for their bioluminescent reactions.

Then, the distribution: Bioluminescence is common in marine animals, especially in the open sea. Examples include fish, jellyfish, comb jellies, crustaceans, cephalopods. Also, some fungi and bacteria, and terrestrial invertebrates like beetles. The stats given are that 2.5% of coastal marine organisms are bioluminescent, but in the deep sea (pelagic habitats), it's 76% of main taxa. Over 700 genera have light-producing species. Most marine bioluminescence is blue/green, but some fish emit red/infrared, and Tomopteris does yellow.

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