Genus: Solitary or colonial; body surface delicate; one to two chloroplasts; usually with a stigma;
fresh water (Kudo, 1966).
One to several chloroplasts; pyrenoid and/or eyespot (stigma) in some; cells naked, globular,
ellipsoidal or pyriform (Illustrated Guide, 1985).
Species: |
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Ochromonas variabilis, stock Ikk, axenic culture with 4PPYG medium,
cells 3 days after transfer to flask culture (December 15 to December 18),
some cells looks like Spumella,
x 640, Kaga city, Ishikawa Pref., Japan, 2000 by Y. Tsukii
Ochromonas, stock Ikk, cells after prolonged axenic culture with 4PPYG medium,
x 640, Kaga city, Ishikawa Pref., 2000 by Y. Tsukii
Ochromonas, stock Ikk, axenic culture with 4PPYG medium,
cells after about 2 weeks in flask (100ml 4PPYG culture medium in 300ml flask),
chloroplasts developed,
x 640, Kaga city, Ishikawa Pref., 2000 by Y. Tsukii
Ochromonas, stock Ikk, axenic culture with 4PPYG medium,
cells exausted after about 1 month (December 26 2000 to January 22 2001) in flask (100ml culture medium in 300ml flask) x 640,
Kaga city, Ishikawa Pref., 2000 by Y. Tsukii
Ochromonas, stock Ikk, axenic culture with 4PPYG medium,
reisolation culture, cells were cultured with the axenic medium for long time,
chloroplasts absent ?, cells are flattened by pressing with a cover glass,
x 640, Kaga city, Ishikawa Pref., 2000 by Y. Tsukii
Ochromonas, stock Ikk-1b, axenic culture with EM (March 15 to March 22),
cell body μm long, μm wide,
x 640, Kaga, Ishikawa Pref., November Japan, 2000 by Y. Tsukii
Ochromonas, stock Ikk-1b, axenic culture with EM (August 25 to October 1, 2004),
cell body 12 μm long, 9 μm wide,
x 640, Kaga, Ishikawa Pref., November Japan, 2000 by Y. Tsukii
Ochromonas, stock Ikk-1b, axenic culture with EM (September 25 to October 1, 2004),
cell body nearly spherical, 9-10 μm in diam.,
x 640, Kaga, Ishikawa Pref., November Japan, 2000 by Y. Tsukii
O. mutabilis Klebs: Ovoid to spherical; plastic;
15-30 μm long,
8-22 μm wide (Kudo, 1966).
Resembles Chromulina; 1-2 chloroplasts; usually a stigma (How to know the protozoa, 1979).
O. granularis Doflein: 5-12 μm long;
no stigma (Kudo, 1966).