image_list image_listE

Gamophyceae: Zygnematales: Desmidiaceae or Closteriaceae

 Closterium sp.

Closterium Genus: Cell body crescent in shape (long, curved, tapered at both ends); cross section rounded; cell wall smooth or with longitudinal lines, bands on the cell wall in some species; chloroplast laminae ridged and radially arranged, which makes cross section star-shaped; pyrenoids aligned or scattered (Illustrations of The Japanese Fresh-water Algae, 1977).
Species:

Closterium, stock Cnm-1, axenic culture with Hyponex and KCM, cell body 143 μm long, 30 μm wide, daughter cells within a gelatinous sheath, x 100, x 200, x 400, Manzaki, Narita city, Chiba Pref., Japan, 2000 by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Closterium Closterium Closterium Closterium
x 640
Closterium Closterium
x 100, x 200, x 400, x 640
Closterium Closterium Closterium Closterium
x 100, x 200, x 400, x 640
Closterium Closterium Closterium Closterium
x 400, x 640
Closterium Closterium
x 100, x 200, x 400, x 640
Closterium Closterium Closterium Closterium
x 640
Closterium Closterium Closterium

Please click on images for viewing enlarged.
Copyright Protist Information Server