Cyanobacteria, the first ever oxygenic photosynthesizers, are said to be the source of chloroplasts in eukaryotes. They are commonly associated with extreme environments. The above Cyanobacterium was collected from cooler waters of LaDuke Spring, a thermal site within Gallatin National Forest.
Originally uploaded in Microbial Life.

Image 2698 is a 224 by 300 pixel JPEG
Uploaded: Oct7 04

Last Modified: 2007-06-08 14:23:07
Permanent URL:

The file is referred to in 1 page
The image was taken by David Patterson and provided courtesy of the microscope web site.
No information about limits on reusing this item have been recorded. You will need to contact the original creator for permission in cases that exceed fair use (see