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Species/Subspecies: Dermatophilus congolensis
Etymology: Genus name: skin loving
Species epithet: of Congo.
Significance:  [Important]   
Taxonomy:
PhylumClassOrderFamilyGenus
ActinobacteriaActinobacteriaMicrococcalesDermatophilaceaeDermatophilus
Type Strain: ATCC 14637 = NCTC 13039.
Macromorphology (smell):
Dermatophilus congolensis Dermatophilus congolensis 
Small yellow pigmented colonies (1-3 mm in diameter) with a rough surface. Give hemolysis on blood agar (but not with horse blood).
Micromorphology: Has two formas: filamentous, pleomorphic and nonmotile and motile zoospores (0.6-1 µm in diameter).
Gram +/Gram -:G+
Metabolism: Facultatively anaerobic
Catalase/Oxidase:+/-
Other Enzymes: Tryptophanase (indole) -, urease +.
Biochemical Tests: Methyl red -, Voges-Proskauer -.
Fermentation of carbohydrates:
D-glucoselactosemaltoseL-rhamnosesucrose
+-+?-
L-arabinosecellobioseD-mannitolsalicintrehalose
??--?
glycerolinulinraffinoseD-sorbitolstarch
???-+
Ferments also fructose under acid production.
Spec. Char.:
Hosts: Horse, cattle, sheep and goat
Disease (Swedish):Streptotrikos, pseudomykos, dermatofilos eller regnskållor.
Disease (English):Dermatophilosis (mud fever), streptotrichosis or rain-scald.
Clinical Picture: Crust formation (scab) in the skin and hair loss
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AJ243918 (T) 1464  

Taxonomy/phylogeny:
 Dermatophilus congolensis
The genus Dermatophilus is composed of only one species, which is related to the genera Renibacterium and Micrococcus.
Comment:Opportunist
Updated:2017-08-30

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Swedish University of Agricultural Sciences