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Elliot Wilcher : styew9@nottingham.ac.uk

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Arthrobacter
Cellulomonas
The coryneforms


The coryneform bacteria are a diverse group of Gram-positive bacteria that are non-motile and asporogenous. They are typically rod shaped bacteria however they are morphologically variable. Coryneform bacteria are defined as aerobic, however some genera contain facultative anaerobes.

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Corynebacterium
Brevibacterium
Kurthia
Snapping Division

Snapping division is the process that results in the characteristic V-shape associated with coryneforms. It occurs because only the inner layer of the cell wall participates in cross wall formation. 

This is the archetypal genus within the coryneform group. They differ from other coryneforms because of the metachromic granules which are sometimes present in their cytoplasm.

Arthrobacter are differentiated from other coryneforms on the basis of their morphology. during growth they are rods, whilst during the stationary phase they are cocci.

Cellulomonas are a group of bacteria that are differentiated from other coryneforms primarily via their ability to break down cellulose.

Kurthia are the group that differs the most from the other genera. It has some main similarities but also has a vast range of unique differences.

These Gram-positive bacteria are pleomorphic, non-fermentors. They have a broad range of habitats and can show halotrophic properties.

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