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Irregular Growth Formations

Diameter:

N/A

Diameter:

N/A
Irregular Growth Formations cropped from 1000x Phase

Shape:

Variable

Septa:

N/A

Sulfur Granules:

N/A

Sheath:

N/A

Branching:

Description

Often star-fish-like in appearance. Commonly correlated with chronic stress (various potential causes).

Actinomycetes-Mycolata

Diameter:

.8-1.2 µm

Diameter:

1.0 x 1.0-2.0 µm
Actinomycetes-Mycolata cropped from 1000x Neisser (1)

Shape:

Variable

Septa:

Yes - most species Septa is visible

Sulfur Granules:

N/A

Sheath:

No

Branching:

Description

“True branching”. Almost all species in wastewater stain gram positive when healthy.

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Haliscomenobacter Filament Morphotype

Diameter:

0.5 µm

Diameter:

N/A
Haliscomenobacter 2

Shape:

Sausage, Individual cell not visible

Septa:

No - usually cannot be observed

Sulfur Granules:

N/A

Sheath:

Yes

Branching:

Description

Often “pins in a pin cushion”. Sheath is often too difficult to see. Usually can’t see individual cells. Occasionally small sausage-shaped cells are visible

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Ryan Hennessy Wastewater Microbiology
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