Canis ISSN: 2398-2942

Streptococcus canis

Synonym(s): S. canis

Contributor(s): Richard Walker

Introduction

Classification

Taxonomy

  • Family: Streptococceae.
  • Genus: Streptococcus.

Etymology

  • Gk: strepto - pliant; coccus- berry; Latin: canis- dog.

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Clinical Effects

Epidemiology

Habitat

  • Commensal in the upper respiratory, alimentary and lower genital tracts.

Lifecycle

  • Reproduces by binary fission.

Transmission

Direct
  • Inhalation.
  • Ingestion.
  • Sexual.
  • Congenital.
  • Umbilicus - maternal genital tract.
Indirect
  • Physical contact.
  • Fomites.

Pathological effects

  • Antiphagocytic properties of organism → resists ingestion by phagocytic cells (normally kill within minutes) → suppurative disease.
  • Antiphagocytic properties of organism + exotoxins → inflammation → pyogenesis.

Other Host Effects

  • Commensal in mucosa of upper respiratory tract and lower urogenital tract.
  • Disease - neonatal septicemia, genital, skin, wound infections, lymphadenitis in cats.

Control

Control via chemotherapies

Vaccination

  • None.

Diagnosis

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Miller C W, Prescott J F, Mathews K A et al (1996) Streptococcal toxic shock syndrome in dogs. JAVMA 209 (8), 1421-1426 PubMed.
  • Iglauer F, Kunstýr I, Mörstedt R et al (1991) Streptococcus canis arthritis in a cat breeding colony. J Exp An Sci 34 (2), 59-65 PubMed.
  • Gürtürk K & Lämmler C (1990) Purification and partial characterization of a cohaemolysin (CAMP-factor) produced by Streptococcus canis.​ FEMS Microbiol Immunol (2), 97-102 PubMed.

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