Proteus species is a topic covered in the Johns Hopkins ABX Guide.
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MICROBIOLOGY
- Aerobic, Gram negative, urease-splitting rod.
- "Swarms" on moist agar (many flagella per organism).
- Second most commonly isolated Enterobacteriaceae after E. coli in many series.
- Most common species: P. mirabilis (indole negative) causes 90% of infections. Other Proteus spp. are indole positive, e.g., P. vulgaris and P. penneri.
- Can raise urine pH due to urea splitting activity.
- Other organisms commonly capable: Pseudomonas aeruginosa, Klebsiella pneumoniae, and Providencia species
- P. mirabilis is usually resistant to tetracycline and nitrofurantoin, while 10-20% are resistant to ampicillin or cephalexin. P. vulgaris usually resistant to ampicillin or cephalexin/cefazolin.
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Last updated: November 2, 2015
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TY - ELEC
T1 - Proteus species
ID - 540454
A1 - Auwaerter,Paul,M.D.
Y1 - 2015/11/02/
BT - Johns Hopkins ABX Guide
UR - https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540454/all/Proteus_species
PB - The Johns Hopkins University
DB - Pediatrics Central
DP - Unbound Medicine
ER -