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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Taylorella equigenitalis
Category: Notifiable diseases and bacteria
Etymology: Genus name: named after C.E.D. Taylor, who was the first to study bacteria within this genus
Species epithet: the genitalia of the horse
Significance:  [Very important]   
Alternative Species Name(s):Haemophilus equigenitalis
Taxonomy:
Phylum
Proteobacteria
Class
Betaproteobacteria
Order
Burkholderiales
Family
Alcaligenaceae 
Genus
Taylorella
Type Strain: 61717/77 = ATCC 35865 = CCUG 10786 = NCTC 11184.
Macromorphology (smell):
 
Small (0,8-1,0 mm) white and peaked colonies
Micromorphology: Short (0,7 x 0,7-1,8 µm) nonmotile rod
Gram +/Gram -:G-
Metabolism: Mikroaerophilic
Catalase/Oxidase:+/+
Fermentation of carbohydrates: Taylorella spp. do not ferment carbohydrates.
Spec. Char.: Optimal temperature: 37°C
Disease:
HostsDiseaseClinical picture
HorseCEM (Contagios Equine Metritis)Mares have discharge from the vagina and often shorter heat periods. Infected stallions show no symptoms
Genome Sequence:
Acc-noStrainSize (bp)Genome
CP003264 ATCC 35865T 1 732 123 1c + 0 
At least two strains have been sequenced. Plasmids have not been reported.

16S rRNA Seq.:
Acc-noStrainNumber of NTOperonSequence similarity
DQ099553 ATCC 35865T 1 451 99.3-100% 

Taxonomy/phylogeny:
 
Only two closely related species have been described within genus Taylorella, which is related to genus Burkholderia.
Comment:CEM is a notifiable disease in Sweden
Updated:2022-09-22

News

New names of taxa within the classification category phylum

During October 2021, an article was published by A. Oren och G.M. Garrity, in which new names are proposed for a number of taxa within the classification category phylum. This has resulted in many discussions in social media about whether it was really necessary to make these changes, which have created confusion among microbiologists and other professionals who come into contact with bacteriology.

Published 2022-09-28. Read more...

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