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Histologic findings of infection in periodical cicadas (). | LitMetric

AI Article Synopsis

  • - The study focuses on an obligate fungal pathogen that infects periodical cicadas, manipulating their sexual behavior to enhance the spread of its spores during the cicadas' adult emergence.
  • - Histological examination of 7 infected cicadas from Brood X in 2021 showed fungal masses taking over crucial body parts without causing significant inflammation in host tissues.
  • - The research identifies various fungal structures and suggests that the fungus effectively evades the cicadas' immune response, providing new insights into the pathogen-host relationship.

Article Abstract

, an obligate fungal pathogen in the subphylum Entomophthoromycotina (Zoopagomycota), infects periodical cicadas ( spp.) during their adult emergence and modifies their sexual behavior to maximize fungal spore dissemination. In this study, 7 periodical cicadas from the Brood X emergence in 2021 infected by were histologically examined. In 7 of 7 cicadas, fungal masses replaced the posterior portion of the abdominal cavity, effacing portions of the body wall, reproductive organs, alimentary tract, and fat bodies. No appreciable inflammation was noted at the intersections of the fungal masses and host tissues. Fungal organisms were present in multiple morphologies including protoplasts, hyphal bodies, conidiophores, and mature conidia. Conidia were clustered into eosinophilic membrane-bound packets. These findings help uncover the pathogenesis of by suggesting there is evasion of the host immune response and by providing a more in-depth description of its relationship with than previously documented.

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Source
http://dx.doi.org/10.1177/03009858231156790DOI Listing

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