ISSN 2398-2950      

Staphylococcus aureus

ffelis

Synonym(s): S. aureus


Introduction

Classification

Taxonomy

  • Genus: Stahylococcus.
  • Family: Micrococcaceae.

Etymology

  • Gk: staphyle - bunch of grapes; coccus - grain or berry; Latin: aureus - golden.

Active Forms

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Clinical Effects

Epidemiology

Habitat

  • Inhabits the distal nasal passage, external nares, and skin especially near mucocutaneous borders such as the perineum, external genitalia and bovine udder.
  • May also transiently inhabit the gastrointestinal tract.

Lifecycle

  • Reproduction by binary fission.

Transmission

  • Spread by direct and indirect contact.
  • Many infections endogenous.
  • Rarely transmitted between species.

Pathological effects

  • Staphylococcus spp produce toxins and enzymes   →   variety of clinical syndromes, eg epidermolytic toxins in porcine exudative epidermitis due to S.hyieus and alpha toxin (hemolysin) is associated with gangrenous mastitis in cattle.
  • Pyogenic   →   abscess formation.
  • Wounds, burns, chronic debilitating disease and foreign body, eg suture   →   deep-seated invasive disease.
  • Endogenous or exogenous infection   →   suppurative conditions (in cattle, sheep, goats, pigs, horses, poultry, rabbits, dogs and cats).

Other Host Effects

  • Same as Staphylococci spp Staphylococcus spp.
  • Colonizes skin and mucous membranes of mammalian species.

Control

Control via chemotherapies

Vaccination

  • None.

Diagnosis

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Lilenbaum W, Nunes E L, Azeredo M A (1998) Prevalence and antimicrobial susceptibility of staphylococci isolated from the skin surface of clinically normal cats. Lett Appl Microbiol 27 (4), 224-228 PubMed.
  • Hoekstra K A, Paulton R J (1996) Antibiotic sensitivity of Staphylococcus aureus and Staph intermedius of canine and feline origin. Lett Appl Microbiol 22 (3), 192-194 PubMed.

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