Host age and pathogen dosage impact cyst morphogenesis in the invertebrate pathogenic alga Helicosporidium sp. (Chlorophyta: Trebouxiophyceae).


Helicosporidium sp. is a pathogenic alga that replicates in the hemolymph of various invertebrate hosts. Morphogenesis of the infectious life stage, the cyst, occurs in the infected host, but to date cannot be induced in vitro. Using larvae of the heterologous host Helicoverpa zea, we examined potential factors influencing pathogenicity and in vivo cyst… (More)
DOI: 10.1016/j.jip.2009.06.003


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