Transmission dynamics of Toxoplasma gondii along an urban–rural gradient
LÉLU, M.
Laboratoire de Biométrie et Biologie Evolutive - UMR 5558 [LBBE]
Centre de recherche et de formation en éco-éthologie [CERFE]
Laboratoire de Biométrie et Biologie Evolutive - UMR 5558 [LBBE]
Centre de recherche et de formation en éco-éthologie [CERFE]
LANGLAIS, Michel
Institut de Mathématiques de Bordeaux [IMB]
Tools of automatic control for scientific computing, Models and Methods in Biomathematics [ANUBIS]
Institut de Mathématiques de Bordeaux [IMB]
Tools of automatic control for scientific computing, Models and Methods in Biomathematics [ANUBIS]
POULLE, Marie-Lazarine
Protozooses Transmises par l'Alimentation (Cryptosporidiose, Giardose et Toxoplasmose) : Mode de Contamination et Pathogénie (PROTAL) - EA 3800 [PROTAL]
See more >
Protozooses Transmises par l'Alimentation (Cryptosporidiose, Giardose et Toxoplasmose) : Mode de Contamination et Pathogénie (PROTAL) - EA 3800 [PROTAL]
LÉLU, M.
Laboratoire de Biométrie et Biologie Evolutive - UMR 5558 [LBBE]
Centre de recherche et de formation en éco-éthologie [CERFE]
Laboratoire de Biométrie et Biologie Evolutive - UMR 5558 [LBBE]
Centre de recherche et de formation en éco-éthologie [CERFE]
LANGLAIS, Michel
Institut de Mathématiques de Bordeaux [IMB]
Tools of automatic control for scientific computing, Models and Methods in Biomathematics [ANUBIS]
Institut de Mathématiques de Bordeaux [IMB]
Tools of automatic control for scientific computing, Models and Methods in Biomathematics [ANUBIS]
POULLE, Marie-Lazarine
Protozooses Transmises par l'Alimentation (Cryptosporidiose, Giardose et Toxoplasmose) : Mode de Contamination et Pathogénie (PROTAL) - EA 3800 [PROTAL]
< Reduce
Protozooses Transmises par l'Alimentation (Cryptosporidiose, Giardose et Toxoplasmose) : Mode de Contamination et Pathogénie (PROTAL) - EA 3800 [PROTAL]
Language
en
Article de revue
This item was published in
Theoretical Population Biology. 2010, vol. 78, p. 139-147
Elsevier
English Abstract
Recently, several authors proposed that the availability of intermediate hosts (IH) for definitive hosts (DH) may contribute to determine the dynamics and evolutionary ecology of parasites with facultative complex life ...Read more >
Recently, several authors proposed that the availability of intermediate hosts (IH) for definitive hosts (DH) may contribute to determine the dynamics and evolutionary ecology of parasites with facultative complex life cycles. The protozoa Toxoplasma gondii may be transmitted either through complex life cycle (CLC) or through simple life cycle (SLC) and is present in contrasting host density environments. We tested the hypothesis that the relative contributions of CLC and SLC along an urban-rural gradient depend on the IH supply. We built and analyzed a deterministic model of T. gondii transmission cycle. SLC relative contribution is important only in urban-type environments, i.e., with low predation rate on IH. In contrast, the parasite is predominantly transmitted through CLC in suburban and rural environments. The association of the two cycles enables the parasite to spread in situations of low IH availability and low DH population size for which each cycle alone is insufficient.Read less <
English Keywords
complex life cycle
simple life cycle
toxoplasmosis
R0
trophic transmission
Origin
Hal imported