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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Glaesserella parasuis
Etymology: Genus name: named after K. Glässer who first described the disease in pigs.
Species epithet: (Haemophilus) suis-liknande.
Significance:  [Important]   
Alternative Species Name(s):Haemophilus parasuis
Taxonomy:
Phylum
Proteobacteria
Class
Gammaproteobacteria
Order
Pasteurellales
Family
Pasteurellaceae 
Genus
Glaesserella
Type Strain: ATCC 19417 = CCUG 3712 = NCTC 4557
Macromorphology (smell):
Micromorphology: Small non-motile rods
Gram +/Gram -:G-
Metabolism: Facultatively anaerobic
Catalase/Oxidase:+/(+)
Other Enzymes: Esculinase -, tryptophanase -, urease -.
Biochemical Tests: Hydrogen sulphide (H2S) V.
Fermentation of carbohydrates:
D-glucoselactosemaltoseL-rhamnosesucrose
?v+--
L-arabinosecellobioseD-mannitolsalicintrehalose
-----
glycerolinulinraffinoseD-sorbitolstarch
-+-??
Other carbohydrates: Adonitol -, dulcitol -, D-galactose +, inositol V, melezitose -, melibiose -, sorbose -, xylitol -.
Spec. Char.:
Disease:Glasser's disease.
Hosts: Pig
Clinical Picture:
Genome Sequence:
Acc-noStrainSize (bp)Genome
NC_011852 SH0165 2 269 156  1c + 0 

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
M75065 (T) 1477 

Taxonomy/phylogeny:
 
About 2 species have been described within genus Glaesserella, but the relationship between members within the closely related genera Actinobacillus, Glaesserella, Haemophilus, Mannheimia and Pasteurella is very uncertain since only few of these genera forms monophyletic clusters.

Note that the name of this bacterium is still Haemophilus parasuis in the phylogenetic tree.

Comment:The V-factor is required for growth, but not the X-factor.
Reference(s): No. 150
Updated:2021-09-16

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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