Pyrocystis lunula dinoflagellate, LM

Pyrocystis lunula dinoflagellate, LM

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Credit: GERD GUENTHER/SCIENCE PHOTO LIBRARY

Caption: Light micrograph of Pyrocystis lunula (Gr.pyro, fire & Gr. kystis, bladder) marine dinoflagellate alga cells, showing a spindle shaped older cell and a rounded younger cell. The chloroplasts glow in yellow color under Darkfield illumination. Pyrocystis in mass reproduction causes a bright bioluminescent ocean glow at night. Culture material of the Culture Collection of Algae at the University of Cologne. Microscopic contrast method: Darkfield contrast. Magnification 180x when printed at 10 centimetres width.

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Keywords: alga, algae, algal, aquatic, biological, biology, bioluminescence, bioluminescent, black background, botanical, botany, ccac, culture collection, dic, differential interference contrast, dinoflagellate, flora, light micrograph, light microscope, luciferase, luciferin, marine, micrograph, microorganism, microscope, microscopic, nature, photomicrograph, phycological, phycology, pyrocystis lunula, single-celled, unicellular

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