On the distribution of schistosome infections among host snails
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Cited by (27)
Linking avian malaria parasitemia estimates from quantitative PCR and microscopy reveals new infection patterns in Hawai'i
2024, International Journal for ParasitologyMolecular assessment of trematode co-infection and intraspecific competition in molluscan intermediate hosts
2013, Molecular and Biochemical ParasitologyCitation Excerpt :Schistosoma mansoni is a parasite of global public health importance and, as such, has received considerable attention in both laboratory and natural field environments. Field assessments of natural genetic variation have indicated that S. mansoni genotypes tend to be over dispersed (i.e. exhibit a negative binomial distribution) in natural host populations, such that a small proportion of the hosts harbor the majority of the parasite genotypes [1–5]. Within the infected minority, the prevalence of snails hosting multiple genetic variants of parasites has been shown to be relatively high.
Prevalence and implications of multiple-strain infections
2011, The Lancet Infectious DiseasesCitation Excerpt :Many viruses have such high replication and mutation rates that apparent multiple-strain infections can result from within-host evolution, not initial infections with several strains. Unambiguous multiple-strain infections have so far been recorded for 51 human pathogens (table)17–106 and 21 non-human animal pathogens (webappendix pp 1–3), numbers that suggest that multiple-strain infections are common. However, parasites are estimated to represent more than 50% of all living species, and close to 2 million species have been described scientifically,107 so these numbers are in fact very low.
Sexual biology of schistosomes
2004, Advances in ParasitologyCitation Excerpt :These authors showed that S. haematobium infections of B. globosus were not distributed at random but were overdispersed, i.e. the proportion of mixed-sex infections was higher than expected. In order to test the dispersion of the parasites in the molluscan host in the Schistosoma genus, we have collected all the studies where the frequency of single- and mixed-sex mollusc infections were available, and then we have performed the same analysis as Woolhouse et al. (1990). This synthesis is presented in Table 3.
Male-female larval interactions in Schistosoma mansoni-infected Biomphalaria glabrata
2001, International Journal for ParasitologyPopulation biology of Schistosoma mansoni in the black rat: Host regulation and basic transmission rate
1999, International Journal for Parasitology