Alcaligenes faecalis 

Basic description of microbe:

• Rods/Bacillicocci/Cocci
• 0.5-1.0 μm x 0.5-2.6 μm
• Motile
• Obligately aerobic
• Optimal temperature: 20-37 °C 

What it looks like on the agar:*

• Whole Colony                                      Irregular
• Margin                                                 Irregular          
• Elevation                                              Flat
• Color                                                   light cream color; translucent

* Colonies spread on agar

Biochemical Tests:

• Oxidase                                                positive
• Catalase                                               positive
• Indole                                                   negative

Interesting Facts:

• Occur in water and soil.
• Numerous Alcaligenes strains have been isolated form clinical material such as blood urine and feces (among others)