Canis ISSN: 2398-2942

Peptostreptococcus spp

Contributor(s): Richard Walker

Introduction

Classification

Taxonomy

  • Family: Peptostreptoccaceae.
  • Genus: Peptostreptococcus.

Etymology

  • Gk: pepto - cook, digest; streptos - twisted; kokkos - grain, berry, seed; streptococcus - the generic name.

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Clinical Effects

Epidemiology

Habitat

  • Part of normal flora of gastrointestinal tract.
  • Oral normal flora, especially gingival crevices.

Lifecycle

  • Reproduces by binary fission in the gastrointestinal tract, or under aerobic or anaerobic conditions.
  • Does not form spores.

Transmission

  • Direct or indirect.

Pathological effects

  • Dogs and cats - oropharyngeal and pleuropulmonary infections, other suppurative infections, eg bite wounds.
  • Combination of Arcanobacterium pyogenes Actinomyces pyogenes and an anaerobe, eg Peptostreptococcus indolicus → 'summer mastitis' in cattle.

Other Host Effects

  • Part of normal flora of mouth and intestine, especially in gingival crevices, together with other non-sporing anaerobes.

Control

Control via chemotherapies

  • Most strains are penicillin sensitive.

Vaccination

  • None.

Diagnosis

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Price P M (1991) Pyoderma caused by Peptostreptococcus tetradius in a pup. JAVMA 198 (9), 1649-1650 PubMed.
  • Dow S W & Jones R L (1987) Anaerobic infections. I. Pathogenesis and clinical significance. Comp Cont Ed Pract Vet (7), 711-720 VetMedResource.
  • Dow S W, Jones R L, Adney W S (1986) Anaerobic bacterial infections and response to therapy in dogs and cats: 36 cases (1983-1985). JAVMA 189 (8), 930-934 PubMed.
  • Hirsch D C, Indiveri M C, Jang S S et al (1985) Changes in prevalence and susceptibility of obligate anaerobes in clinical veterinary practice. JAVMA 186 (10), 1086-1089 PubMed.

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