Abstract:
:Schistosomes, unlike malaria parasites, are in their diploid stage when targeted by the human immune system. Diploids can be either homozygous or heterozygous. The difference has profound significance for developing immunity and yet has not previously been addressed. We examined the implications of zygosity on immunity to a diploid pathogen, Schistosoma japonicum and showed that the diploid state, and its associated heterozygous advantage, significantly affects the outcome of attack by the immune system and the accumulation of antigenic diversity in the parasite population. We demonstrate here that diploidy provides a novel means of immune evasion for diploid pathogens.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Xu X,Sun J,Zhang J,Wellems D,Qing X,McCutchan T,Pan Wdoi
10.1038/srep00346subject
Has Abstractpub_date
2012-01-01 00:00:00pages
346issn
2045-2322journal_volume
2pub_type
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