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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology
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Species/Subspecies: Morganella morganii subsp. morganii
Etymology: Genus name: named after the Brittish bacteriologist H. de R. Morgan, who first studied this organism.
Species epithet: see Genus name.
Subspecies epithet: see Genus name.
Significance:Occurs as contaminants of meat and has a certain importance in food hygiene.
  [Of minor importance]   
Old Species Name(s):Proteus morganii
Taxonomy:
Phylum
Proteobacteria
Class
Gammaproteobacteria
Order
Enterobacteriales
Family
Enterobacteriaceae 
Genus
Morganella
Type Strain: ATCC 25830 = CCUG 6328 = NCTC 235.
Macromorphology (smell):
Micromorphology: Short, straight and motile rod with peritrichous flagella.
Gram +/Gram -:G-
Metabolism: Facultatively anaerobic
Catalase/Oxidase:+/-
Other Enzymes: DNase -, esculinase -, ornithine decarboxylase +, tryptophanase +, urease +.
Biochemical Tests: Citrate -, hydrogen sulfide v, methyl red +, Voges-Proskauer -.
Fermentation of carbohydrates:
D-glucoselactosemaltoseL-rhamnosesucrose
+----
L-arabinosecellobioseD-mannitolsalicintrehalose
-----
glycerolinulinraffinoseD-sorbitolstarch
(-)?--?
Most strains ferment glucose under acid production and 90% of these also under gas production.
Spec. Char.:
Hosts: Belongs to the normal intestinal flora of mammals (including humans), and reptiles.
Disease (Swedish):Reservoir: Otitis externa och cystit hos hund. Hudabscesser och septikemi hos reptiler.
Disease (English):Otitis externa and cystitis in dogs. Skin abscesses and septicemia in reptiles.
Clinical Picture:
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AY043390 AU1491 1448  

Taxonomy/phylogeny:
Morganella morganii  
Two species have been described within genus Morganella and Morganella morgani has been further divided into two subspecies.
Comment:Similar in many respects to Proteus spp., but does not swarm on agar plates.
Updated:2018-03-29

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