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Vaucheria (Tribophyceae)

Vaucheria sp. from rice field, Higashi-sano (near Minami-kamishiro railway station), Hakuba village, Nagano Pref., Japan
Photograph by Y. Tsukii posted online

Vaucheria sp. developing gametangia
Photograph by Robert W. Hoshaw posted online

Vaucheria sp.gametangia (oogonium and two antheridia)
Image posted online

Vaucheria sp.with mature spores
Image posted online
See video of zoospores releasing by Donald W. Ott, Dept. of Biology, University of Akron Ohio USA

Vaucheria sp.
Image posted online

Vaucheria sp.
Photograph by Tom Adams posted online

Vaucheria sessilis from Omiya, Saitama city, Saitama Pref., Japan, April 2001
Photograph by Y. Tsukii posted online

Green sea slug Elysia chlorotica ingests Vaucheria litorea cells, extracts chloroplasts and transfers them into its own cells, then manufactures chlorophyll, photosynthesizes, and survives on autotrophy alone. "It is the first known molecular evidence for active transcription and translation of algal chloroplast genes in an animal host" (Mujer et al. 1996). Video is online.

Mujer, C., D.L. Andrews, J.R. Manhart, S.K. Pierce, and M.E. Rumpho 1996. Chloroplast genes are expressed during intracellular symbiotic association of Vaucheria litorea plastids with the sea slug Elysia chlorotica. Proc. Natl. Acad. Sci. USA 93:12333-12338.

 Vaucheria sp. chloroplasts
Photograph by Charles M., Poland, posted online
See cytoplasmic streaming

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