-
South Pacific Ocean, Duration 14 seconds
-
Portrait of the cyanophyte, Aphanizomenon flosaquae. Collected from freshwater pond near Boise, Idaho. Brightfield optics.
-
Cylindrospermopsis (sill-in-dro-sperm-op-sis) raciborskii, a blue green alga (cyanobacterium) in which the terminal cells of the trichomes or filaments appear a bit like candle flames. With no membrane bound organelles but sometimes with refractile deposits. Differential interference microscopy.
data on this strain.
-
Anacystis (a-na-cyst-is) is a cyanobacterium in which globular cells are located within a gelatinous matrix. Some of the cyanobacteria with this form can be toxic. Differential interference contrast.
-
Skån Sø NØ Vinderup, Jylland, Danmark
-
-
Daphniae....
-
Mount View Cedar Glade State Natural Area, Nashville, Davidson County, Tennessee, US
-
Trichodesmium (try-koe-des-me-um) is a filamentous cyanobacterium (blue-green alga). It may form blooms or rafts. A significant contributor to nitrogen fixation in the oceans. Differential interference microscopy.
data on this strain.
-
Cylindrospermopsis (sill-in-dro-sperm-op-sis) raciborskii, a blue green alga (cyanobacterium) in which the terminal cells of the trichomes or filaments appear a bit like candle flames. With no membrane bound organelles but sometimes with refractile deposits. Phase contrast microscopy.
data on this strain.
-
Anacystis (a-na-cyst-is), a cyanobacterium or blue green algae, in which the cells are clumped together within a mucus material. The clusters have to be compressed so that the individual cells can be observed. This genus adopts a variety of forms. Some Anacystis species are known to produce toxins. Phase contrast.
-
Råbjerg Mile, Jylland, Danmark
-
Stomatolites in Hamlin Pool, Shark Bay, AustraliaSource:
Paul J. Morris
-
Mount View Cedar Glade State Natural Area, Nashville, Davidson County, Tennessee, US
-
Trichodesmium (trike-owe-des-me-um) bundle. This is a filamentous blue green alga, which can occur in abundances which discolour the water. Not known to produce toxins, but abundances may be high enough to disturb the supply of oxygen to other organisms. This is a dense cluster of filaments. Dark ground image by Dave Caron.
-
Cylindrospermopsis (sill-in-dro-sperm-op-sis) raciborskii, a blue green alga (cyanobacterium) in which the terminal cell of the trichome (filament) appears a bit like a candle flame. Phase contrast microscopy. "
data on this strain.
-
Råbjerg Mile, Jylland, Danmark
-
Anabaena (a-na-bean-a) is a filamentous cyanobacterium, the slightly larger cells are heterocysts, and are associated with nitrogen fixation. Nitrogen fixing cyanobacteria are important for nitrogen generation in rice paddy fields. Differential interference contrast.
-
Chloroflexus (cloe-row-flecks-us) is a filamentous green prokaryote, but not a cyanobacterium. It is common in some of the microbial mats which cover the sediments at some of the thermal sites. This image shows a few dispersed filaments. Phase contrast. Material provided by Mike Ferris from Mushroom Spring, a thermal site within Yellowstone Park, photographs by Mike Ferris and David Patterson.
-
Råbjerg Mile, Jylland, Danmark
-
Anabaena (ann-a-bean-ah) (tentative identification) filaments with heterocysts and cells of variable size. Differential interference contrast.
-
Chloroflexus (cloe-row-flecks-us) is a filamentous green prokaryote, but not a cyanobacterium. It is common in some of the microbial mats which cover the sediments at some of the thermal sites. This image shows a mass of tightly intertwined cells. Phase contrast. Material provided by Mike Ferris from Mushroom Spring, a thermal site within Yellowstone National Park, photographs by Mike Ferris and David Patterson.
-
Allindellille Fredskov, Denmark
-
Anabaena (ann-a-bean-a) one of the filamentous blue green alga which can form heterocysts. Single filaments are attached to the substrate and occur within an irregular mucus sheath which acquires metal salts to become brown in colour. Heterocysts are spherical, more hyaline, slightly larger than other cells and are a site for enhanced nitrogen fixation. Phase contrast.
