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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Weissella koreensis
Etymology: Genus name: named after the German microbiologist Norbert Weiss, who has worked with taxonomy of lactic acid bacteria.
Species epithet: refers to Korea, where the bacterium was first isolated.
Significance:  [Of minor importance]   
Taxonomy:
Phylum
Firmicutes
Class
Bacilli
Order
Bacillales
Family
Leuconostocaceae 
Genus
Weissella
Type Strain: S-5623 = CCUG 47134
Macromorphology (smell):
Micromorphology: Short rods with rounded ends or ovoid. Appear in pairs or short chains.
Gram +/Gram -:G+
Metabolism: Facultatively anaerobic
Catalase/Oxidase:-/?
Other Enzymes: Esculinase -
Fermentation of carbohydrates:
D-glucoselactosemaltoseL-rhamnosesucrose
??-?-
L-arabinosecellobioseD-mannitolsalicintrehalose
+-??-
glycerolinulinraffinoseD-sorbitolstarch
??-??
W. koreensis is also fermenting ribose and xylose.
Spec. Char.: Psychrophilic och salt tolerant.
Reservoir: Has been found in kimchi, which is a Korean fermented vegetable product.
16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AY035891 S-5623T 1497  

Taxonomy/phylogeny:
Comment:W. koreensis is the dominating bacterial species during fermentation at low temperature. This bacterium also contributes flavour of the product.
Updated:2019-01-17

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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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