List/Classification of Coagulase Negative Staphylococci (CoNS)

· Bacteriology

There are more than 40 recognized species of CoNS. Most of these species have been isolated from humans, usually from the skin and mucous membranes. Certain species are found in very specific sites, such as the head (Staphylococcus capitis) or ear (Staphylococcus auricularis). Others have been isolated from animals and animal products. CoNS are classified into different groups as follows:

Staphylococcus epidermidis group

Staphylococcus epidermidis      source – Human and  animal

Staphylococcus haemolyticus    source – Human*

Staphylococcus hominis     source – Human

Staphylococcus capitis subsp. capitis   source – Human

Staphylococcus capitis subsp. ureolyticus   source – Human

Staphylococcus caprae    source – Human, animal

Staphylococcus articularis   source – Human

Staphylococcus saccharolyticus   source – Human

Staphylococcus warneri   source – Human, animal

Staphylococcus pasteri   source – Animal, human

Staphylococcus saprophyticus group

Staphylococcus saprophyticus   source – Human*

Staphylococcus cohnii subsp. cohnii source – Animal, human

Staphylococcus cohnii subsp. urealyticum source – Animal, human

Staphylococcus xylosus source – Animal

Staphylococcus arlettae source – Animal

Staphylococcus equorum source – Animal, human

Staphylococcus gallinarum source – Animal

Staphylococcus kloosii source – Animal

Staphylococcus lentus source – Animal

Staphylococcus simulans group

Staphylococcus simulans source – Animal, human

Staphylococcus carnosus source – Animal

Staphylococcus intermedius group

Staphylococcus schleiferi subsp. schleiferi source – Animal*, human

Staphylococcus sciuri group

Staphylococcus sciuri source – Animal, human

Staphylococcus lentus source – Animal, human

Staphylococcus vitulinus source – Animal

Staphylococcus hyicus group

Staphylococcus chromogenes    source – Animal*

Unspecified Species Group

Staphylococcus caseolyticus source – Animal

Staphylococcus felis source – Animal

Staphylococcus hyicus    source – Animal

Staphylococcus lugdunensis    source – Human*, animal

Staphylococcus muscae    source – Animal

Staphylococcus piscifermentans   source – Animal


*Common human or veterinary disease.

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