Corynebacterium spp in Cows (Bovis) | Vetlexicon
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Corynebacterium spp

ISSN 2398-2993

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Introduction

Classification

Taxonomy

  • Kingdom: bacteria.
  • Phylum: actinobacteria.
  • Class: actinobacteria.
  • Order: actinomycetales.
  • Family: corynebacteriaceae.
  • Genus: corynebacterium.

Etymology

  • Gr: korune - club; bakterion - staff/cane/small rod.

Distribution

  • Worldwide as commensals on mucous membranes.
  • C. pseudotuberculosis can persist for months in the environment.

Significance

  • Cause pyogenic infections (with the exception of C. bovis).
  • Opportunistic pathogens.
  • Pathogenic corynebacteria which are relevant to cattle are: C. bovis (subclinical mastitis), C. pseudotuberculosis (ulcerative lymphangitis Ulcerative lymphangitis, abscesses), C. renale (cystitis Cystitis) and pyelonephritis Pyelonephritis), C. ulcerans (mastitis)C. cystidis (mastitis and urinary tract infections), C. pilosum (mastitis and urinary tract infections)
  • Some species can rarely cause human infections (C.diphtheriae, C.ulcerans, C. pseudotuberculosis, C. pyogenes, A. haemolyticum, C. aquaticum, C. pseudodiphtheriticum, C. urealyticum, C. jeikeium).
  • C. ulcerans can produce diptheria toxin which may have public health implications due to its presence in milk.

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Resting Forms

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Clinical Effects

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Diagnosis

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Further Reading

Publications

Refereed Papers

  • Recent references from PubMed and VetMedResource.
  • Guimarães L C, Lopes T, Ramos R T, Carneiro A R et al (2016) Draft Genome Sequences of Two Pathogenic Corynebacterial Species Isolated from Cows. J Genomics 2 (4), 7-9 PubMed.
  • Gonçalves J L, Tomazi T, Barreiro J R, Braga P A et al (2014) Identification of Corynebacterium spp. isolated from bovine intramammary infections by matrix-assisted laser desorption ionization-time of flight mass spectrometry. Vet Microbiol 173 (1-2), 147-51 PubMed.
  • Bernard K (2012) The genus corynebacterium and other medically relevant coryneform-like bacteria. J Clin Microbiol 50 (10), 3152-8 PubMed.
  • Rosenbaum A, Guard C L, Njaa B L, McDonagh P L et al (2005) Slaughterhouse survey of pyelonephritis in dairy cows. Vet Rec 157 (21), 652-5 PubMed.
  • Watts J L, Lowery D E, Teel J F & Rossbach S (2000) Identification of corynebacterium bovis and other coryneforms isolated from bovine mammary glands. J Dairy Sci 83 (10), 2373-9 PubMed.
  • Hommez J, Devriese L A, Vaneechoutte M, Riegel P et al (1999) Identification of nonlipophilic corynebacteria isolated from dairy cows with mastitis. J Clin Microbiol 37 (4), 954-7 PubMed.
  • Yanagawa R (1986) Causative agents of bovine pyelonephritis: Corynebacterium renale, C. pilosum and C. cystitidis. Prog Vet Microbiol Immunol 2, 158-74 PubMed.
  • Alford, J A, Wiese, E E & Gunter, J J (1954) Heat resistance in Corynebacterium and the relationship of this genus to Microbacterium. J Bacteriol 69 (5), 516-518.