Maternal Exposure of a Beetle to Pathogens Protects Offspring against Fungal Disease.

Maternal exposure to an immune challenge can convey enhanced immunity to invertebrate offspring in the next generation. We investigated whether maternal exposure of the Asian longhorned beetle, Anoplophora glabripennis, to two species of the fungus Metarhizium or the bacterium Serratia marcescens el...

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Main Authors: Joanna J Fisher, Ann E Hajek
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2015-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0125197
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author Joanna J Fisher
Ann E Hajek
author_facet Joanna J Fisher
Ann E Hajek
author_sort Joanna J Fisher
collection DOAJ
description Maternal exposure to an immune challenge can convey enhanced immunity to invertebrate offspring in the next generation. We investigated whether maternal exposure of the Asian longhorned beetle, Anoplophora glabripennis, to two species of the fungus Metarhizium or the bacterium Serratia marcescens elicited transgenerational immune priming (TGIP). We tested specificity of this protection and whether occurrence of TGIP was dependent on maternal exposure to living versus dead pathogens. Our results show that TGIP occurred and protected offspring against Metarhizium brunneum. Maternal exposure to S. marcescens provided non-specific protection to offspring against a fungal pathogen, but TGIP in response to Metarhizium only occurred when offspring were exposed to the same fungal species that was used to prime mothers. Moreover, TGIP in response to M. brunneum occurred only after maternal exposure to living rather than dead fungus. Our findings suggest that occurrence of TGIP could be both specific and dependent on whether the pathogen was alive.
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spelling doaj.art-dc2eb054c08b497d8cda70728c3674c22022-12-21T18:39:31ZengPublic Library of Science (PLoS)PLoS ONE1932-62032015-01-01105e012519710.1371/journal.pone.0125197Maternal Exposure of a Beetle to Pathogens Protects Offspring against Fungal Disease.Joanna J FisherAnn E HajekMaternal exposure to an immune challenge can convey enhanced immunity to invertebrate offspring in the next generation. We investigated whether maternal exposure of the Asian longhorned beetle, Anoplophora glabripennis, to two species of the fungus Metarhizium or the bacterium Serratia marcescens elicited transgenerational immune priming (TGIP). We tested specificity of this protection and whether occurrence of TGIP was dependent on maternal exposure to living versus dead pathogens. Our results show that TGIP occurred and protected offspring against Metarhizium brunneum. Maternal exposure to S. marcescens provided non-specific protection to offspring against a fungal pathogen, but TGIP in response to Metarhizium only occurred when offspring were exposed to the same fungal species that was used to prime mothers. Moreover, TGIP in response to M. brunneum occurred only after maternal exposure to living rather than dead fungus. Our findings suggest that occurrence of TGIP could be both specific and dependent on whether the pathogen was alive.https://doi.org/10.1371/journal.pone.0125197
spellingShingle Joanna J Fisher
Ann E Hajek
Maternal Exposure of a Beetle to Pathogens Protects Offspring against Fungal Disease.
PLoS ONE
title Maternal Exposure of a Beetle to Pathogens Protects Offspring against Fungal Disease.
title_full Maternal Exposure of a Beetle to Pathogens Protects Offspring against Fungal Disease.
title_fullStr Maternal Exposure of a Beetle to Pathogens Protects Offspring against Fungal Disease.
title_full_unstemmed Maternal Exposure of a Beetle to Pathogens Protects Offspring against Fungal Disease.
title_short Maternal Exposure of a Beetle to Pathogens Protects Offspring against Fungal Disease.
title_sort maternal exposure of a beetle to pathogens protects offspring against fungal disease
url https://doi.org/10.1371/journal.pone.0125197
work_keys_str_mv AT joannajfisher maternalexposureofabeetletopathogensprotectsoffspringagainstfungaldisease
AT annehajek maternalexposureofabeetletopathogensprotectsoffspringagainstfungaldisease