🟥 Proteus spp general characteristics :
1/ Gram negative bacilli ( Enterobacteriaceae)
2/ facultative anaerobe
3/ motile (peritrichous flagella)
4/ non lactose fermenter
5/spp: P. Vulgaris and P. mirabilis
6/ Oppertunistic bacteria causes many diseases (UTI, RTI, woud infections.....)
7/ produce urease, hemolysins, protease, Endotoxins, Fimbriae and adhesions
8/ swarmming motility (virulence associated behavior)
9/on Makconkey produce colorless colonies
10/ on blood agar non hemolytic ( swarmming phenomenon)
11/ Catalase positive and oxidase negative
12/on KIA.. H2s and gas
13/ urease positive, VP negative, MR positive
14/differentiation by indol test:
P. vulgaris indol positive
P. mirabilis indol negative
15/ P. vulgaris citrate negative
P. mirabilis citrate positive
#generalcharacteristicsinbacteria
#in15points
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