Reference Library

Potential cause: Sulfide
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Beggiatoa filament morphotypes

Diameter:
2.0- 4.0 µm
Dimensions
2.0-4.0 x 6.0 -8.0 µm
Shape:
Rectangles
Septa:
Sometimes you can see septa
Sulfur Granules:
Yes - potential for sulfur granules
Sheath:
No
Branching:
No

Description

Typically motile and usually contains either sulfur granules or PHB granules.

Type 0914/0803 filament morphotype

Diameter:
1.0-1.2 µm
Dimensions
1.0 x 1.0 µm
type 0914_0803 cropped from 1000x phase contrast
type 0914_0803 cropped from 1000x phase contrast
Shape:
Square
Septa:
Yes - usually visible
Sulfur Granules:
Yes - potential for sulfur granules
Sheath:
Yes
Branching:
Yes

Description

Occasionally has square sulfur granules.

Thiothrix Filament Morphotype

Diameter:
0.8- 2.8 µm
Dimensions
.8-1.4 x1.0-3.0 µm
Thiothrix cropped from 1000x phase contrast
Thiothrix cropped from 1000x phase contrast
Shape:
Rectangles
Septa:
Yes - visible
Sulfur Granules:
Yes - potential for sulfur granules
Sheath:
Yes
Branching:
Yes

Description

Regular cell shape, typically extends from flocs. Has the potential for sulfur granules.

Type 021N Filament Morphotype

Diameter:
1.6-2.5 µm
Dimensions
1.6 X 2.5 µm
type 021N cropped from 1000x phase contrast
type 021N cropped from 1000x phase contrast
Shape:
BarrelsRectanglesDiscoid
Septa:
Yes - visible
Sulfur Granules:
Yes - Potential for sulfur granules
Sheath:
No
Branching:
No

Description

Large filament that typically extends from the flocs or bridges flocs together. Irregular cell shape.

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