Co-infection of Trypanosoma pestanai and Anaplasma phagocytophilum in a dog from Germany

V. Dyachenko, M. Steinmann, B. Bangoura, M. Selzer, U. Munderloh, A. Daugschies, D. Barutzki

Research output: Contribution to journalArticle

Abstract

Infections with arthropod-borne pathogens are an increasing threat world-wide that requires heightened vigilance from veterinary and medical practitioners, especially when they involve new or unusual organisms. A dog was presented to a local veterinary clinic in Germany with malaise, pale mucous membranes and stiff joints. Clinical assessment revealed pyrexia, leukopenia and thrombocytopenia. On suspicion of a tick-borne infection, blood samples were examined for clinical and biochemical parameters and subjected to a Anaplasma phagocytophilum-, Borrelia spp.- and Ehrlichia canis-specific real-time PCR. Additionally, a sample of the pre-therapeutic buffy coat was co-cultured with the Ixodes scapularis cell-line ISE6 for 20 days. Only the PCR specific for A. phagocytophilum DNA yielded a positive result, and furthermore, Anaplasma morulae were visible in granulocytes and tick cells. After co-culturing, extracellular trypomastigote and epimastigote stages of Trypanosoma sp. with an average length of 29.7 μm were observed, featuring a pointed posterior end. Sequence analysis of a 2080 bp fragment of the 18S rRNA gene showed 99% identity to the 18S rRNA gene of Trypanosoma pestanai, previously described from a European badger (Meles meles) in France. The dog's condition improved rapidly in response to doxycycline treatment for three weeks. The clinical status normalized and clinical blood parameters were found to be within the reference ranges. To our knowledge this is the first description of T. pestanai infection in a dog, the first detection of T. pestanai in Germany and the first documented co-infection with these two pathogens. Co-infections with unusual opportunistic vector-borne pathogens should be considered, if acute canine granulocytic anaplasmosis is evident.

Original languageEnglish (US)
Pages (from-to)110-114
Number of pages5
JournalVeterinary Parasitology: Regional Studies and Reports
Volume9
DOIs
StatePublished - Aug 1 2017

Fingerprint

Anaplasma phagocytophilum
Trypanosoma
Coinfection
Germany
Dogs
dogs
rRNA Genes
Infection
mixed infection
pathogens
infection
ticks
ribosomal RNA
blood
genes
sampling
Ehrlichia canis
Anaplasma
Anaplasmosis
Tick-Borne Diseases

Keywords

  • Badger
  • Canine granulocytic anaplasmosis
  • Co-infection with opportunistic pathogens
  • Ixodes spp. immune-suppression
  • Meles meles
  • Tick
  • Vector-borne diseases

ASJC Scopus subject areas

  • Parasitology
  • veterinary(all)

Cite this

Co-infection of Trypanosoma pestanai and Anaplasma phagocytophilum in a dog from Germany. / Dyachenko, V.; Steinmann, M.; Bangoura, B.; Selzer, M.; Munderloh, U.; Daugschies, A.; Barutzki, D.

In: Veterinary Parasitology: Regional Studies and Reports, Vol. 9, 01.08.2017, p. 110-114.

Research output: Contribution to journalArticle

Dyachenko, V.; Steinmann, M.; Bangoura, B.; Selzer, M.; Munderloh, U.; Daugschies, A.; Barutzki, D. / Co-infection of Trypanosoma pestanai and Anaplasma phagocytophilum in a dog from Germany.

In: Veterinary Parasitology: Regional Studies and Reports, Vol. 9, 01.08.2017, p. 110-114.

Research output: Contribution to journalArticle

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