Nosema ceranae, Fipronil and their combination compromise honey bee reproduction via changes in male physiology

Abstract The honey bee is threatened by biological agents and pesticides that can act in combination to induce synergistic effects on its physiology and lifespan. The synergistic effects of a parasite/pesticide combination have been demonstrated on workers and queens, but no studies have been perfor...

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Autores principales:	Guillaume Kairo, David G. Biron, Faten Ben Abdelkader, Marc Bonnet, Sylvie Tchamitchian, Marianne Cousin, Claudia Dussaubat, Boris Benoit, André Kretzschmar, Luc P. Belzunces, Jean-Luc Brunet
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/411076cb3c5a493e958af2d94e74fab9
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spelling	oai:doaj.org-article:411076cb3c5a493e958af2d94e74fab92021-12-02T15:05:10ZNosema ceranae, Fipronil and their combination compromise honey bee reproduction via changes in male physiology10.1038/s41598-017-08380-52045-2322https://doaj.org/article/411076cb3c5a493e958af2d94e74fab92017-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-08380-5https://doaj.org/toc/2045-2322Abstract The honey bee is threatened by biological agents and pesticides that can act in combination to induce synergistic effects on its physiology and lifespan. The synergistic effects of a parasite/pesticide combination have been demonstrated on workers and queens, but no studies have been performed on drones despite their essential contribution to colony sustainability by providing semen diversity and quality. The effects of the Nosema ceranae/fipronil combination on the life traits and physiology of mature drones were examined following exposure under semi-field conditions. The results showed that the microsporidia alone induced moderate and localized effects in the midgut, whereas fipronil alone induced moderate and generalized effects. The parasite/insecticide combination drastically affected both physiology and survival, exhibiting an important and significant generalized action that could jeopardize mating success. In terms of fertility, semen was strongly impacted regardless of stressor, suggesting that drone reproductive functions are very sensitive to stress factors. These findings suggest that drone health and fertility impairment might contribute to poorly mated queens, leading to the storage of poor quality semen and poor spermathecae diversity. Thus, the queens failures observed in recent years might result from the continuous exposure of drones to multiple environmental stressors.Guillaume KairoDavid G. BironFaten Ben AbdelkaderMarc BonnetSylvie TchamitchianMarianne CousinClaudia DussaubatBoris BenoitAndré KretzschmarLuc P. BelzuncesJean-Luc BrunetNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-14 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Guillaume Kairo David G. Biron Faten Ben Abdelkader Marc Bonnet Sylvie Tchamitchian Marianne Cousin Claudia Dussaubat Boris Benoit André Kretzschmar Luc P. Belzunces Jean-Luc Brunet Nosema ceranae, Fipronil and their combination compromise honey bee reproduction via changes in male physiology
description	Abstract The honey bee is threatened by biological agents and pesticides that can act in combination to induce synergistic effects on its physiology and lifespan. The synergistic effects of a parasite/pesticide combination have been demonstrated on workers and queens, but no studies have been performed on drones despite their essential contribution to colony sustainability by providing semen diversity and quality. The effects of the Nosema ceranae/fipronil combination on the life traits and physiology of mature drones were examined following exposure under semi-field conditions. The results showed that the microsporidia alone induced moderate and localized effects in the midgut, whereas fipronil alone induced moderate and generalized effects. The parasite/insecticide combination drastically affected both physiology and survival, exhibiting an important and significant generalized action that could jeopardize mating success. In terms of fertility, semen was strongly impacted regardless of stressor, suggesting that drone reproductive functions are very sensitive to stress factors. These findings suggest that drone health and fertility impairment might contribute to poorly mated queens, leading to the storage of poor quality semen and poor spermathecae diversity. Thus, the queens failures observed in recent years might result from the continuous exposure of drones to multiple environmental stressors.
format	article
author	Guillaume Kairo David G. Biron Faten Ben Abdelkader Marc Bonnet Sylvie Tchamitchian Marianne Cousin Claudia Dussaubat Boris Benoit André Kretzschmar Luc P. Belzunces Jean-Luc Brunet
author_facet	Guillaume Kairo David G. Biron Faten Ben Abdelkader Marc Bonnet Sylvie Tchamitchian Marianne Cousin Claudia Dussaubat Boris Benoit André Kretzschmar Luc P. Belzunces Jean-Luc Brunet
author_sort	Guillaume Kairo
title	Nosema ceranae, Fipronil and their combination compromise honey bee reproduction via changes in male physiology
title_short	Nosema ceranae, Fipronil and their combination compromise honey bee reproduction via changes in male physiology
title_full	Nosema ceranae, Fipronil and their combination compromise honey bee reproduction via changes in male physiology
title_fullStr	Nosema ceranae, Fipronil and their combination compromise honey bee reproduction via changes in male physiology
title_full_unstemmed	Nosema ceranae, Fipronil and their combination compromise honey bee reproduction via changes in male physiology
title_sort	nosema ceranae, fipronil and their combination compromise honey bee reproduction via changes in male physiology
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/411076cb3c5a493e958af2d94e74fab9
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Nosema ceranae, Fipronil and their combination compromise honey bee reproduction via changes in male physiology

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