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Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Riemerella anatipestifer
Category: Causes hemolysis
Etymology: Genus name: named to honor Riemer, who first described Riemerella anatipestifer.
infections in geese in 1904
Species name: brings destruction of ducks.
Significance:Is due to high mortality of economic concern in countries with a large duck production. The disease has not been found in Sweden.
  [Of minor importance]   
Alternative Species Name(s):Moraxella anatipestifer, Pasteurella anatipestifer.
Taxonomy:
Phylum
Bacteroidetes
Class
Flavobacteriia
Order
Flavobacteriales
Family
Flavobacteriaceae 
Genus
Riemerella
Type Strain: LMG 11054 = ATCC 11845 = CCUG 14215 = CCUG 21370 = NCTC 11014
Macromorphology (smell): Forms small convex butyrous and transparent colonies (1-2 mm in diameter). Some strains give hemolysis on blood agar.
Micromorphology: Thin rods (0.2-0.4 x 1-5 µm), which appear singly or in pairs. Are sometimes filamentous.
Gram +/Gram -:G-
Metabolism: Microaerophilic
Catalase/Oxidase:+/+
Other Enzymes: Gelatinase + hippuricase + tryptophanase -, urease V
Fermentation of carbohydrates: Glucose -
Spec. Char.:
Disease:Infectious serositis or septicemia anserum exsudativa
Hosts: Duck (as well as goose, turkey and pheasants)
Clinical Picture: Nasal discharges, mild coughing and sneezing, tremors of the neck and head, as well as bad coordination during movement.
Genome Sequence:
Acc-noStrainSize (bp)Genome
CP002346 DSM 15868 2 155 121 1c + 0 

16S rRNA Seq.:
Acc-noStrainNumber of NTOperonSequence similarity
U60101 ATCC 11845T 1 386 100% 

Taxonomy/phylogeny:
 
Two species have been described within the genus Riemerella, which is most closely related to the genera Bergeyella and Chryseobacterium.The genus Riemerella is also related to the genus Flavobacterium, which like the genus Riemerella belongs to the family Flavobacteriaceae.
Updated:2017-11-09

News

The revised taxonomy of the mollicutes

The revised taxonomy of mollicutes (mycoplasmas) has now been introduced on VetBact, which means that many of the species have been given new genus names or moved to another higher taxon. 

Published 2021-11-25. Read more...

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