Arhodomonas is a genus of gram-negative bacteria.
Arhodomonas species are rod-shaped bacteria, approximately 1 micrometer wide and 2.5 micrometers long.
They use a single flagellum at one end of the cell to move.
[2] Metabolically, Arhodomonas species are pure chemotrophs, and can grow on various simple organic compounds but not on most carbohydrates.
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