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Vampyrella reproducing, light microscopy

K005/2188

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DR OLIVER SKIBBE / SCIENCE PHOTO LIBRARY DR OLIVER SKIBBE / SCIENCE PHOTO LIBRARY

Caption

Vampyrella reproducing. Light microscopy footage of Vampyrella lateritia daughter trophozoites in a digestive cyst (oval) during the reproductive stage of its life cycle. The cyst is near an empty strand of Spirogyra algae (tubular) that it ate and which it digested to fuel the reproductive cell division. In this clip, plasmatic movement inside the digestive cyst are a sign of the imminent hatching. Vampyrella is a unicellular micro-organism sometimes described as a 'vampire amoeba'. It attacks other microscopic organisms, such as algae, and penetrates their cell walls and extracts the contents. Vampyrella are found in aquatic freshwater environments, with other vampyrellid species found in soil and in the sea. For a clip showing the hatching of daughter Vampyrella cells from this cyst, see K005/2211.

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  • Duration: 00:00:27.13
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  • Format: Photo JPEG 100% QuickTime movie

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