IHPE – SAVASSI Boris

BorisIHPE UMR 5244
University of Perpignan via Domitia
52 Avenue Paul Alduy
F-66860 Perpignan Cedex FRANCE
Tel +33(0)4-68-66-20-50
Fax +33(0)4-68-66-22-81
email : boris.savassi@univ-perp.fr
POSITION: Ph.D student (download resume)
THESIS DIRECTORS: Hélène MONE & Moudachirou IBIKOUNLE
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THESIS SUBJECT:
Study of interactions patterns between man and domestic cattles schistosomes in various lakeside zones of Benin
KEYWORDS:
Hybridation ; Schistosoma spp ; Man ; Domestic cattle ; interactions patterns
THESIS PROJECT:
The schistosomose or bilharziasis is a parasitic disease of medical and veterinary importance of the tropical and subtropical zones. Caused by the flat worms of  Schistosoma, it is the second world parasitic endemic disease after the malaria and the first hydric disease in tropical regions and sub-Saharan. This disease is distributed in 78 countries worldwide, of which Benin.
The species S. haematobium and S. mansoni found in Benin are a part of 6 species of schistosomes pathogenic for the Man. In western Africa, two other species are pathogenic for pets, Schistosoma bovis and Schistosoma currassoni and they belong to the haematobium group. These species can cross with haematobium when they find themselves in the same biotope.
Studies made in 2015 and in 2016 in a zone of bilharzia transmission in Benin (Sô-Ava) allowed to highlight a hybridization between the species S. haematobium, agent of the uro-genital bilharziasis in man, and S. bovis agent of the intestinal bilharziasis to the domestic and wild cattle.
My subject of research suggests to widen this study on several human populations of various departments of Benin. The general objective of the project is to identify the species of schistosome of the group haematobium infesting man and  pets in Benin, and the patterns of interactions which are made between these species. My research project is built with two complementary approaches, field works and experiments in laboratory.
Three big points will be studied:
i) morphological and genetic variability of the parasites collected in urines and/or feces of humans on one hand and in the vesical veins and/or mesenteric of the domestic cattle on the other hand ;
ii) malacological study of the zones of hybridization to determine mollusks intermediate hosts of the hybrid species and S. bovis ;
iii) features of life story of the origins of S. bovis involved (in and out hybridization zone) by focusing on aspects relative to the cercarienne emission.
CURSUS :
2017-présent Ph.D degree (France & Benin)
2016- Master  « Cellular Biology & Immunology, Speciality Parasitology » (Benin)
2011- Bachelor of Science « Chemistry, Biology, Geology » (Benin)
2008- High school degree (Benin)
PUBLICATION IN THE LAB: link
PUBLICATION OUT OF THE LAB:
– Onzo-Aboki A., Ibikounle M., Mimonnou Boko P., Savassi B.S., Doritchamou J., Siko E.J., Daré A., Batcho W., Massougbodji A., Tougoue J.J., Kaboré A. (2019) Human schistosomiasis in Benin: countrywide evidence of Schistosoma haematobium predominance. Acta Tropica 191: 185-197
– Moudachirou I., Onzo-Aboki A., Doritchamou J., Tougoue J.J., Mimonnou Boko P., Savassi B.S., Siko E.J., Daré A., Batcho W., Massougbodji A., Ako;o Kindé-Gazard D., Kaboré A. (2018) Results of the first mapping of soil-transmitted helminths in Benin: evidence of countrywide hookworm predominance. Plos Neglected Tropical Diseases 12(3): e0006241