Haematococcus algae bloom, LM

Videonummer 12329474
Light microscope footage of Haematococcus sp. algae, showing the biflagellate cells moving in the water column of a bird bath sample. On the upper left of the field of view a big cell is pinched under the coverglass, showing the cellular details when the focus plane changes in z-direction. Haematococcus occurs as biflagellate single cells where the protoplast is connected to the wall by multiple, thin strands of cytoplasm. Cell structure and reproduction appear to be similar to those of Chlamydomonas. Mass reproduction often forms conspicuous red to deep-purple growths, based on accumulation of astaxanthin during formation of resting stages. Astaxanthin is commercially valuable as a food colorant and in cosmetic products. Microscopic contrast method used : differential interference contrast. Captured field width : 0, 26mm
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Guenther, Gerd
Modell-Rechte: nicht erforderlich
Länge: 19 Sekunden
Seitenverhältnis: 16:9
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