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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
Veterinary bacteriology


Species/Subspecies: Micrococcus luteus
Category: In the normal flora
Etymology: Genus name: small coccus (seed, grain).
Species epithet: golden yellow.
Significance:  [Of minor importance]   
Alternative Species Name(s):Micrococcus lysodeikticus
Taxonomy:
Phylum
Actinobacteria
Class
Actinobacteria
Order
Micrococcales
Family
Micrococcaceae 
Genus
Micrococcus
Type Strain: ATCC 4698 = CCUG 5858 = NCTC 2665
Macromorphology (smell): Forms yellowish colonies with granular surface.
Micromorphology: Small cocci (0.5 to 3.5 µm in diameter), which are usually arranged in tetrads or irregular clusters.
Gram +/Gram -:G+
Metabolism: Aerobic
Catalase/Oxidase:+/+
Other Enzymes: Coagulase -
Spec. Char.:
Reservoir: Soil, dust, water and air.
Disease:May cause infections in immunocompromised individuals. May also cause food poisoning due to production of cadaverin, which potentiates the effect of histamine.
Hosts: Belongs to the normal bacterial flora on the skin of mammalians.
Clinical Picture:
Genome Sequence:
Acc-noStrainSize (bp)Genome
CP002790.1 NCTC 2665T 2 501 097 1c + 0 

16S rRNA Seq.:
Acc-noStrainNumber of NTOperon
AJ536198 DSM 20030T 1418 
One of the operons seems to be split in one of the 16S rRNA genes.

Taxonomy/phylogeny:
 
The genus Micrococcus is composed of only one species, which is related to the genera Renibacterium and Dermatophilus.
Comment:There are three different biovars: I, II and III.
Updated:2020-11-12

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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