Pseudallescheria boydii is an opportunistic fungus widespread in the environment, and has recently emerged as an agent of localized as well as disseminated infections in both immunocompromised and immunocompetent hosts. The host response to fungi is in part dependent on the activation of evolutionary conserved receptors including Toll-like receptors and phagocytic receptors. This review will discuss the isolation and structural characterization of α-glucans and rhamnomannans from P. boydii cell wall and their roles in the induction of innate immune response.
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