Alcaligenes spp are a Gram negative aerobic proteobacteria.
Closely related to Burkholderia spp, these bacteria are opportunistic organisms normally found in humid environments.
Species which are pathogenic to dogs include:
- Alcaligenes faecalis
- Alcaligenes xylosoxidans
- Alcaligenes odorans
In dogs, Acaligenes spp are part of the normal microflora of the skin, reproductive and gastrointestinal tract, and have been reported in association with otitis externa and following prosthetic hip replacement.
Alcaligenes species are resistant to almost all antibiotics except gentamicin and colistin.
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