Revisiting Trypanosoma rangeli Transmission Involving Susceptible and Non-Susceptible Hosts.

ABSTRACT: Trypanosoma rangeli infects several triatomine and mammal species in South America. Its transmission is known to occur when a healthy insect feeds on an infected mammal or when an infected insect bites a healthy mammal. In the present study we evaluated the classic way of T. rangeli transmission started by the bite of a single infected triatomine, as well as alternative ways of circulation of this parasite among invertebrate hosts. The number of metacyclic trypomastigotes eliminated from salivary glands during a blood meal was quantified for unfed and recently fed nymphs. The quantification showed that ~50,000 parasites can be liberated during a single blood meal. The transmission of T. rangeli from mice to R. prolixus was evaluated using infections started through the bite of a single inf

SUBMITTER: Ferreira Lde L 

PROVIDER: S-EPMC4607475 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature