2022
DOI: 10.1186/s13071-022-05288-6
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Population genetic structure and phenotypic diversity of Aspidodera raillieti (Nematoda: Heterakoidea), a parasite of Didelphini marsupials in Brazil’s South and Southeast Atlantic Forest

Abstract: Background The population genetics of parasites may be influenced by host specificity, life cycle, host geographical range, evolutionary history, and host population structure. The nematode Aspidodera raillieti infects different marsupial and rodent hosts in the Nearctic and Neotropical regions, implying a gene flow among populations. However, niche diversification of the main hosts of A. raillieti in superimposed areas may provide conditions for population genetic structuring within this paras… Show more

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“…The study of the helminth fauna of D. marsupialis , which was carried out in the same locality as the present study, reported the same helminth species richness observed for M. constantiae (nine species). However, D. marsupialis and M. constantiae shared only two species, A. raillieti and O. microcephalus, which have been registered in several didelphids (Varella et al 2022; Freitas et al 2022). Jiménez et al (2011) reported 10 helminth species for the marsupial Philander opossum in French Guiana and 12 in Mexico, among which A. raillieti and O. microcephalus were the only species in common with the present study.…”
Section: Discussionmentioning
confidence: 96%
“…The study of the helminth fauna of D. marsupialis , which was carried out in the same locality as the present study, reported the same helminth species richness observed for M. constantiae (nine species). However, D. marsupialis and M. constantiae shared only two species, A. raillieti and O. microcephalus, which have been registered in several didelphids (Varella et al 2022; Freitas et al 2022). Jiménez et al (2011) reported 10 helminth species for the marsupial Philander opossum in French Guiana and 12 in Mexico, among which A. raillieti and O. microcephalus were the only species in common with the present study.…”
Section: Discussionmentioning
confidence: 96%