Discosphaera tubifera, coccolithophore
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Discosphaera tubifera, coccolithophore
Scanning electron microscope (SEM) showing the unicellular planktonic algae Discosphaera tubifera from the North Atlantic surrounded by a sphere of calcite plates - coccoliths. (x5000 on a standard 9 cm wide print)
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Media ID 8580689
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Abstract Alga Algae Algal Calcite Calcite Group Carbonate Carbonate Mineral Celled Chromalveolata Chromista Coccolith Coccolithophore Coccolithophorid Electron Micrograph Eukaryote Eukaryotic Haptophyta Haptophyte Micrograph Microscope Image Mineral Invertebrata
EDITORS COMMENTS
1. Title: A Radiant Sphere of Calcite: An Up-close Look at the Unicellular Algae Discosphaera tubifera 2. Description: This scanning electron microscope (SEM) image showcases the intricate beauty of Discosphaera tubifera, a unicellular planktonic algae found in the North Atlantic Ocean. Surrounded by a sphere of calcite plates, or coccoliths, this microscopic organism is a mesmerizing example of the intricate relationship between algae and minerals. 3. Background: Discosphaera tubifera is a member of the coccolithophore class, a group of eukaryotic algae known for their production of calcite plates, or coccoliths. These plates provide the organism with protection and help regulate its buoyancy in the water column. The coccoliths are made up of calcium carbonate, making them an essential component of carbonate sediments and a significant contributor to the global carbon cycle. 4. Details: At an magnification of x5000, the disc-shaped Discosphaera tubifera appears as a small, abstract entity encased in a sphere of shimmering calcite plates. The intricate patterns on the plates, formed by the precise arrangement of tiny calcite crystals, create a stunning visual effect that belies the organism's microscopic size. 5. Significance: Discosphaera tubifera and other coccolithophores play a crucial role in the marine food web and contribute significantly to the production of organic matter in the ocean. Additionally, their calcite plates serve as important indicators of past ocean conditions, providing valuable information about past climate and environmental conditions through the study of sediment cores. 6. Conclusion: This SEM image offers a glimpse into the intricate world of Discosphaera tubifera and the calcite plates it produces. The organism's delicate beauty and the intricacy of its calcite armor serve as a reminder of the wonders that can be found in even the smallest of organisms and the important role they play in our world.
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