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Sequencing and comparative analysis of genes involved in feeding preference in the Calliphoridae family (Diptera: Calliphoridae)

Grant number: 12/19987-7
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): December 01, 2012
Effective date (End): November 30, 2013
Field of knowledge:Biological Sciences - Parasitology - Entomology and Malacology of Parasites and Vectors
Principal Investigator:Tatiana Teixeira Torres
Grantee:Raquel Dietsche Monfardini
Host Institution: Instituto de Biociências (IB). Universidade de São Paulo (USP). São Paulo , SP, Brazil


The order Diptera is one of the most diversified orders of insects and it is important for human and animal health, as it includes several species of parasites and vectors. The Calliphoridae family is a good example for investigating of the evolution of parasitism since this lifestyle has evolved independently at least three times in its evolutionary history. The condition caused by the Calliphoridae species is known as myiasis, which is the infestation of vertebrates by dipterous larvae which feed on dead or living tissues of the host. Within this family, the genera Chrysomya and Cochliomyia include both parasitic species (primary myiasis) and necrophagous (secondary myiasis). The study of genes involved in feeding habits, previously characterized in model species, will generate insights into the evolution of parasitism within the Calliphoridae family. This study is also of potential applied interest as can reveal new targets in order to control the infestation of ectoparasites, which is highly desirable as there have been reported cases of resistance to the current methods. Therefore, the objectives of this project include the sequencing of the coding sequence of five genes (for, mvl, cyp6g2, gdh e s6k) in parasitic and necrophagous species of the genera Chrysomya and Cochliomyia, and analyze whether the different feeding habits are correlated to change in function of their products and/or in their expression.(AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CARDOSO, GISELE ANTONIAZZI; TONUS MARINHO, MARCO ANTONIO; MONFARDINI, RAQUEL DIETSCHE; LIMA DE AZEREDO ESPIN, ANA MARIA; TORRES, TATIANA TEIXEIRA. Evolution of genes involved in feeding preference and metabolic processes in Calliphoridae (Diptera: Calyptratae). PeerJ, v. 4, . (12/19987-7, 14/13933-8, 12/23200-2, 09/13463-3, 14/01600-4)

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