Elucidating the mechanisms underlying the beneficial health effects of dietary pollen on honey bees (Apis mellifera) infested by Varroa mite ectoparasites

Abstract Parasites and pathogens of the honey bee (Apis mellifera) are key factors underlying colony losses, which are threatening the beekeeping industry and agriculture as a whole. To control the spread and development of pathogen infections within the colony, honey bees use plant resins with anti...

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Autores principales:	Desiderato Annoscia, Virginia Zanni, David Galbraith, Anna Quirici, Christina Grozinger, Renzo Bortolomeazzi, Francesco Nazzi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/bd91248285e8496f8379e73bbfe6df50
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spelling	oai:doaj.org-article:bd91248285e8496f8379e73bbfe6df502021-12-02T11:52:30ZElucidating the mechanisms underlying the beneficial health effects of dietary pollen on honey bees (Apis mellifera) infested by Varroa mite ectoparasites10.1038/s41598-017-06488-22045-2322https://doaj.org/article/bd91248285e8496f8379e73bbfe6df502017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-06488-2https://doaj.org/toc/2045-2322Abstract Parasites and pathogens of the honey bee (Apis mellifera) are key factors underlying colony losses, which are threatening the beekeeping industry and agriculture as a whole. To control the spread and development of pathogen infections within the colony, honey bees use plant resins with antibiotic activity, but little is known about the properties of other substances, that are mainly used as a foodstuff, for controlling possible diseases both at the individual and colony level. In this study, we tested the hypothesis that pollen is beneficial for honey bees challenged with the parasitic mite Varroa destructor associated to the Deformed Wing Virus. First, we studied the effects of pollen on the survival of infested bees, under laboratory and field conditions, and observed that a pollen rich diet can compensate the deleterious effects of mite parasitization. Subsequently, we characterized the pollen compounds responsible for the observed positive effects. Finally, based on the results of a transcriptomic analysis of parasitized bees fed with pollen or not, we developed a comprehensive framework for interpreting the observed effects of pollen on honey bee health, which incorporates the possible effects on cuticle integrity, energetic metabolism and immune response.Desiderato AnnosciaVirginia ZanniDavid GalbraithAnna QuiriciChristina GrozingerRenzo BortolomeazziFrancesco NazziNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Desiderato Annoscia Virginia Zanni David Galbraith Anna Quirici Christina Grozinger Renzo Bortolomeazzi Francesco Nazzi Elucidating the mechanisms underlying the beneficial health effects of dietary pollen on honey bees (Apis mellifera) infested by Varroa mite ectoparasites
description	Abstract Parasites and pathogens of the honey bee (Apis mellifera) are key factors underlying colony losses, which are threatening the beekeeping industry and agriculture as a whole. To control the spread and development of pathogen infections within the colony, honey bees use plant resins with antibiotic activity, but little is known about the properties of other substances, that are mainly used as a foodstuff, for controlling possible diseases both at the individual and colony level. In this study, we tested the hypothesis that pollen is beneficial for honey bees challenged with the parasitic mite Varroa destructor associated to the Deformed Wing Virus. First, we studied the effects of pollen on the survival of infested bees, under laboratory and field conditions, and observed that a pollen rich diet can compensate the deleterious effects of mite parasitization. Subsequently, we characterized the pollen compounds responsible for the observed positive effects. Finally, based on the results of a transcriptomic analysis of parasitized bees fed with pollen or not, we developed a comprehensive framework for interpreting the observed effects of pollen on honey bee health, which incorporates the possible effects on cuticle integrity, energetic metabolism and immune response.
format	article
author	Desiderato Annoscia Virginia Zanni David Galbraith Anna Quirici Christina Grozinger Renzo Bortolomeazzi Francesco Nazzi
author_facet	Desiderato Annoscia Virginia Zanni David Galbraith Anna Quirici Christina Grozinger Renzo Bortolomeazzi Francesco Nazzi
author_sort	Desiderato Annoscia
title	Elucidating the mechanisms underlying the beneficial health effects of dietary pollen on honey bees (Apis mellifera) infested by Varroa mite ectoparasites
title_short	Elucidating the mechanisms underlying the beneficial health effects of dietary pollen on honey bees (Apis mellifera) infested by Varroa mite ectoparasites
title_full	Elucidating the mechanisms underlying the beneficial health effects of dietary pollen on honey bees (Apis mellifera) infested by Varroa mite ectoparasites
title_fullStr	Elucidating the mechanisms underlying the beneficial health effects of dietary pollen on honey bees (Apis mellifera) infested by Varroa mite ectoparasites
title_full_unstemmed	Elucidating the mechanisms underlying the beneficial health effects of dietary pollen on honey bees (Apis mellifera) infested by Varroa mite ectoparasites
title_sort	elucidating the mechanisms underlying the beneficial health effects of dietary pollen on honey bees (apis mellifera) infested by varroa mite ectoparasites
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/bd91248285e8496f8379e73bbfe6df50
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Elucidating the mechanisms underlying the beneficial health effects of dietary pollen on honey bees (Apis mellifera) infested by Varroa mite ectoparasites

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