The purpose of this work was to experimentally show that leeches of the species Haementeria lutzi may mechanically transmit Trypanosoma evansi to Rattus norvegicus. We also go through a few behaviours of Trypanosoma evansi in leeches after a blood meal that was infectious, such as: a) the parasites went fast to the coelomic cavity 10 minutes after consumption. b) Trypomastigotes with stumpy and slender shapes and rounder shapes showed a random dispersion after approximately 10 to 30 minutes in the intestine. c) Twenty-four hours later, trypanosomes also invaded the cells of the proboscis and salivary glands. Our research suggests that Haementeria lutzi could potentially replace Trypanosoma evansi as a vector in Brazilian wetlands.
Author(s) Details:
João Carlos Araujo Carreira,
Serviço de Produção e Tratamento de Imagem, IOC/Fiocruz, Rio de Janeiro, Brazil.
Bianca dos Santos Carvalho,
Laboratory of Biochemistry and Physiology of Insects, IOC/Fiocruz, Rio de Janeiro, Brazil.
Reginaldo Peçanha Brazil,
Laboratory of Parasitary Diseases, IOC/Fiocruz, Rio de Janeiro, Brazil.
Alba Valéria Machado da Silva,
Laboratory of Parasitary Diseases, IOC/Fiocruz, Rio de Janeiro, Brazil.
Please see the link here: https://stm.bookpi.org/CPMS-V11/article/view/8037
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