Diatom frustules (SEM) C014 / 2412

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Diatom frustules (SEM) C014 / 2412

Diatom frustules. Coloured scanning electron micrograph of diatom frustules (Cymbella gastroides). Diatoms are a group of photosynthetic, single-celled algae containing about 10, 000 species. They form an important part of the plankton at the base of the marine and freshwater food chains. The characteristic feature of diatoms is their intricately patterned, glass-like cell wall, or frustule. The frustule often has rows of tiny holes, known as striae. Magnification x3490 (x865 at 10cm wide)

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Media ID 9227473

© POWER AND SYRED/SCIENCE PHOTO LIBRARY

Alga Algae Diatom Diatoms Frustule Frustules Microbiology Phytoplankton Plankton Striae Unicellular Microbiological

EDITORS COMMENTS
This print showcases the intricate beauty of diatom frustules, captured through a coloured scanning electron microscope. Diatoms are a diverse group of single-celled algae, comprising approximately 10,000 species and playing a vital role in both marine and freshwater ecosystems. As primary producers, they form an essential part of the planktonic community at the base of food chains. What sets diatoms apart is their remarkable cell wall structure known as a frustule – a glass-like casing with elaborate patterns. This image reveals Cymbella gastroides, one such diatom species characterized by its distinct frustule features. Under high magnification (x3490 or x865 at 10cm wide), rows of minuscule holes called striae become apparent on the frustule's surface. The significance of this microscopic world cannot be overstated; it holds immense ecological importance and contributes to global carbon cycling. The study of these siliceous phytoplankton provides valuable insights into our understanding of aquatic environments and their delicate balance. This mesmerizing photograph was expertly captured by Power and Syred using advanced scanning electron microscopy techniques. It serves as a testament to the wonders hidden within even the tiniest organisms that shape our planet's biodiversity.

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