Chagas bugs and trypanosoma cruzi: Puppets and puppeteer?

A widely accepted idea in parasite-host relationships is that the former manipulates the latter so that it increases its own success. In the case of complex life cycles, this means that the parasite is able to manipulate the first host which allows its transmission to the second host. In this paper,...

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Bibliographic Details
Published in:	Acta tropica 2020-11, Vol.211, p.105600-105600, Article 105600
Main Author:	Córdoba-Aguilar, Alex
Format:	Article
Language:	eng
Subjects:	Animals Animals, Domestic - parasitology Chagas Disease - transmission Chagas, vector Host manipulation Host-Parasite Interactions Humans Insect Vectors - growth & development Insect Vectors - parasitology Life Cycle Stages Mammal Parasite Triatominae Triatominae - growth & development Triatominae - parasitology Trypanosoma cruzi Trypanosoma cruzi - growth & development Trypanosoma cruzi - parasitology
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Summary:	A widely accepted idea in parasite-host relationships is that the former manipulates the latter so that it increases its own success. In the case of complex life cycles, this means that the parasite is able to manipulate the first host which allows its transmission to the second host. In this paper, I formalize the idea that this may be the case for the Trypanosoma cruzi parasite and its vectors, bugs of the subfamily Triatominae. I discuss the sources of existing evidence and propose some types of manipulation. This manipulation could also occur in the second host, that is, a vertebrate. Here, I emphasize humans and domesticated animals. I also discuss how global change and insecticide resistance may drive the arms race between both, triatomines and T. cruzi, and host manipulation.
ISSN:	0001-706X 1873-6254