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In: Aphoristic Modernity
In: Textual Scholarship and the Canon
In: Protecting Humanity
In: Ford Madox Ford, Modernist Magazines and Editing
In: Textual Scholarship and the Canon
In: The Journal of the European Society for Textual Scholarship
In: Ford Madox Ford, Modernist Magazines and Editing
In: The Journal of the European Society for Textual Scholarship

Abstract

Infections of amphibian eggs sometimes cause catastrophic losses of reproductive effort, but susceptibility to infection in different species is poorly understood. Using laboratory trials we showed that direct hyphal invasion of adjacent eggs by Saprolegnia caused a higher incidence of infection than invasion by zoospores. Moreover, we observed that dead eggs were much more readily colonized than live eggs when challenged with zoospores from two strains of Saprolegnia. The two strains were equally effective in causing infections of Rana temporaria eggs, but differed in their ability to infect eggs of Bufo bufo. In live R. temporaria eggs, early stages (pre-tailbud) were more frequently infected by hyphal invasion than later stages by the same strains, suggesting that susceptibility to infection decreases as development proceeds.

In: Amphibia-Reptilia
In: Textual Scholarship and the Canon