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Swedish University of Agricultural Sciences

Veterinary bacteriology: information about important bacteria
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Species/Subspecies: Micrococcus luteus
Etymology: Genus name: small coccus (seed, grain).
Species epithet: golden yellow.
Significance:  [Bacteria in the normal flora, which can sometimes cause disease]   
Old 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 ┬Ám in diameter), which are usually arranged in tetrads or irregular clusters.
Gram +/Gram -:G+
Metabolism: Aerobic
Catalase/Oxidase:+/+
Other Enzymes: Coagulase -
Spec. Char.:
Hosts: Belongs to the normal bacterial flora on the skin of mammalians.
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.
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:
Micrococcus luteus  
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:2020-05-28

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