Characterization of the active microbiotas associated with honey bees reveals healthier and broader communities when colonies are genetically diverse.

Recent losses of honey bee colonies have led to increased interest in the microbial communities that are associated with these important pollinators. A critical function that bacteria perform for their honey bee hosts, but one that is poorly understood, is the transformation of worker-collected poll...

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Autores principales:	Heather R Mattila, Daniela Rios, Victoria E Walker-Sperling, Guus Roeselers, Irene L G Newton
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/77147ba1df9c4c469191a1c5e65bddc7
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spelling	oai:doaj.org-article:77147ba1df9c4c469191a1c5e65bddc72021-11-18T07:25:30ZCharacterization of the active microbiotas associated with honey bees reveals healthier and broader communities when colonies are genetically diverse.1932-620310.1371/journal.pone.0032962https://doaj.org/article/77147ba1df9c4c469191a1c5e65bddc72012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22427917/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Recent losses of honey bee colonies have led to increased interest in the microbial communities that are associated with these important pollinators. A critical function that bacteria perform for their honey bee hosts, but one that is poorly understood, is the transformation of worker-collected pollen into bee bread, a nutritious food product that can be stored for long periods in colonies. We used 16S rRNA pyrosequencing to comprehensively characterize in genetically diverse and genetically uniform colonies the active bacterial communities that are found on honey bees, in their digestive tracts, and in bee bread. This method provided insights that have not been revealed by past studies into the content and benefits of honey bee-associated microbial communities. Colony microbiotas differed substantially between sampling environments and were dominated by several anaerobic bacterial genera never before associated with honey bees, but renowned for their use by humans to ferment food. Colonies with genetically diverse populations of workers, a result of the highly promiscuous mating behavior of queens, benefited from greater microbial diversity, reduced pathogen loads, and increased abundance of putatively helpful bacteria, particularly species from the potentially probiotic genus Bifidobacterium. Across all colonies, Bifidobacterium activity was negatively correlated with the activity of genera that include pathogenic microbes; this relationship suggests a possible target for understanding whether microbes provide protective benefits to honey bees. Within-colony diversity shapes microbiotas associated with honey bees in ways that may have important repercussions for colony function and health. Our findings illuminate the importance of honey bee-bacteria symbioses and examine their intersection with nutrition, pathogen load, and genetic diversity, factors that are considered key to understanding honey bee decline.Heather R MattilaDaniela RiosVictoria E Walker-SperlingGuus RoeselersIrene L G NewtonPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 3, p e32962 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Heather R Mattila Daniela Rios Victoria E Walker-Sperling Guus Roeselers Irene L G Newton Characterization of the active microbiotas associated with honey bees reveals healthier and broader communities when colonies are genetically diverse.
description	Recent losses of honey bee colonies have led to increased interest in the microbial communities that are associated with these important pollinators. A critical function that bacteria perform for their honey bee hosts, but one that is poorly understood, is the transformation of worker-collected pollen into bee bread, a nutritious food product that can be stored for long periods in colonies. We used 16S rRNA pyrosequencing to comprehensively characterize in genetically diverse and genetically uniform colonies the active bacterial communities that are found on honey bees, in their digestive tracts, and in bee bread. This method provided insights that have not been revealed by past studies into the content and benefits of honey bee-associated microbial communities. Colony microbiotas differed substantially between sampling environments and were dominated by several anaerobic bacterial genera never before associated with honey bees, but renowned for their use by humans to ferment food. Colonies with genetically diverse populations of workers, a result of the highly promiscuous mating behavior of queens, benefited from greater microbial diversity, reduced pathogen loads, and increased abundance of putatively helpful bacteria, particularly species from the potentially probiotic genus Bifidobacterium. Across all colonies, Bifidobacterium activity was negatively correlated with the activity of genera that include pathogenic microbes; this relationship suggests a possible target for understanding whether microbes provide protective benefits to honey bees. Within-colony diversity shapes microbiotas associated with honey bees in ways that may have important repercussions for colony function and health. Our findings illuminate the importance of honey bee-bacteria symbioses and examine their intersection with nutrition, pathogen load, and genetic diversity, factors that are considered key to understanding honey bee decline.
format	article
author	Heather R Mattila Daniela Rios Victoria E Walker-Sperling Guus Roeselers Irene L G Newton
author_facet	Heather R Mattila Daniela Rios Victoria E Walker-Sperling Guus Roeselers Irene L G Newton
author_sort	Heather R Mattila
title	Characterization of the active microbiotas associated with honey bees reveals healthier and broader communities when colonies are genetically diverse.
title_short	Characterization of the active microbiotas associated with honey bees reveals healthier and broader communities when colonies are genetically diverse.
title_full	Characterization of the active microbiotas associated with honey bees reveals healthier and broader communities when colonies are genetically diverse.
title_fullStr	Characterization of the active microbiotas associated with honey bees reveals healthier and broader communities when colonies are genetically diverse.
title_full_unstemmed	Characterization of the active microbiotas associated with honey bees reveals healthier and broader communities when colonies are genetically diverse.
title_sort	characterization of the active microbiotas associated with honey bees reveals healthier and broader communities when colonies are genetically diverse.
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/77147ba1df9c4c469191a1c5e65bddc7
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Characterization of the active microbiotas associated with honey bees reveals healthier and broader communities when colonies are genetically diverse.

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