Pan-American Trypanosoma (Megatrypanum) trinaperronei n. sp. in the white-tailed deer Odocoileus virginianus Zimmermann and its deer ked Lipoptena mazamae Rondani, 1878: morphological, developmental and phylogeographical characterisation

Parasites & Vectors
Herakles Antonio GarciaMarta M. G. Teixeira

Abstract

The subgenus Megatrypanum Hoare, 1964 of Trypanosoma Gruby, 1843 comprises trypanosomes of cervids and bovids from around the world. Here, the white-tailed deer Odocoileus virginianus (Zimmermann) and its ectoparasite, the deer ked Lipoptena mazamae Rondani, 1878 (hippoboscid fly), were surveyed for trypanosomes in Venezuela. Haemoculturing unveiled 20% infected WTD, while 47% (7/15) of blood samples and 38% (11/29) of ked guts tested positive for the Megatrypanum-specific TthCATL-PCR. CATL and SSU rRNA sequences uncovered a single species of trypanosome. Phylogeny based on SSU rRNA and gGAPDH sequences tightly cluster WTD trypanosomes from Venezuela and the USA, which were strongly supported as geographical variants of the herein described Trypanosoma (Megatrypanum) trinaperronei n. sp. In our analyses, the new species was closest to Trypanosoma sp. D30 from fallow deer (Germany), both nested into TthII alongside other trypanosomes from cervids (North American elk and European fallow, red and sika deer), and bovids (cattle, antelopes and sheep). Insights into the life-cycle of T. trinaperronei n. sp. were obtained from early haemocultures of deer blood and co-culture with mammalian and insect cells showing flagellates resembli...Continue Reading

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Citations

Mar 16, 2021·Open Biology·Alexei Y KostygovJulius Lukeš
Jun 27, 2021·Medical and Veterinary Entomology·Y N Lozano-SardanetaS Sánchez-Montes

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Datasets Mentioned

BETA
MN752212
MN756794
MN756795
JX178201
MN752209

Methods Mentioned

BETA
PCR
electron microscopy
light microscopy
scanning
transmission electron microscopy
scanning electron microscopy

Software Mentioned

- VI
RAxML
PAUP
Clustal X
Splits Tree4
- HPC
GTRGAMMA
MrBayes

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