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IgE is linked to allergic diseases and there is a great interest in developing anti-IgE therapeutics. Here the authors characterize the binding of human IgE Fc to a single domain antibody (sdab) and show that the sdab induces a closed conformation, which prevents and disrupts IgE binding to its receptor FcεRI and abrogates allergen mediated activation.
Interactions between bacteria and fungi are common and contribute to ecosystem processes. Here, Jung et al. show that the interaction between two plant pathogens (a seed-borne bacterium and an air-borne fungus) promotes their own survival and dispersal, as well as disease progression on rice plants.
