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Veterinary bacteriology


Species/Subspecies: Listeria ivanovii subsp. ivanovii
Categories: Causes hemolysis; motile
Etymology: Genus name: named after the British surgeon Lord Lister.
Species epithet: named after the Bulgarian microbiologist Ivan Ivanov.
Significance:  [Of minor importance]   
Taxonomy:
Phylum
Firmicutes
Class
Bacilli
Order
Bacillales
Family
Listeriaceae 
Genus
Listeria
Type Strain: SLCC 2379 = ATCC 19119
Macromorphology (smell): Small (0.5-1.5 mm in diameter) greyish blue colonies with hemolysis zone on blood agar.
Micromorphology: Short (0.4-0.5 x 0.5-2 µm) and motile rods. L. ivanovii exhibits actin-based motility (see references 154 and 155 below).
Gram +/Gram -:G+
Metabolism: Facultatively anaerobic.
Catalase/Oxidase:+/-
Other Enzymes: Esculinase +, hippuricase +, tryptophanase -, urease -.
Biochemical Tests: Methyl red +, Voges-Proskauer +.
Fermentation of carbohydrates:
D-glucoselactosemaltoseL-rhamnosesucrose
++?-v
L-arabinosecellobioseD-mannitolsalicintrehalose
v?-?+
glycerolinulinraffinoseD-sorbitolstarch
+??--
Other carbohydrates: Galaktos v, ribos +, xylose +.
Spec. Char.:
Disease:Abortion and stillbirth.
Hosts: Sheep and cattle.
Clinical Picture:
Genome Sequence:
Acc-noStrainSize (bp)Genome
FR687253.1 PAM 55 2 928 879 1c + 0 

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AJ549930 CLIP12510 1450 

Taxonomy/phylogeny:
 
There are 21 species and subspecies described within the genus and particularly Listeria ivanovii, L. innocua and L. monocytogenesare very closely related.
Reference(s): No. 154, 155
Updated:2020-10-19

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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