Pink Layer
Pink layer
The major microbes of the pink layer are phototrophic purple sulfur bacteria. The egg shaped organisms are diatoms. Phase contrast.
75x75 µm
Pink layer
Purple sulfur bacteria and a diatom from the pink layer of a microbial mat from the Great Sippewissett Saltmarsh. The bright spots in the cells are sulfur granules. DIC micrograph.
75x75 µm
Pink layer
A typical bright field micrograph of microbes of the pink layer of microbial mats. The layer contains various purple sulfur bacteria (mostly in packets), some diatoms (center), and some single cells.
Size of the picture: 150x150 µm
Pink layer
Close-up of a group of purple sulfur bacteria (Thiopedia spec) clustered around a cell of a diatom.
Phase contrast
Size of the picture: about 75X75 µm
Pink layer
A large empty shell of a diatom and several bacterial cells. The bright spots in the bacteria are sulfur granules.
Size of the picture: about 75X75 µm