Effects of selection for honey bee worker reproduction on foraging traits.

The "reproductive ground plan" hypothesis (RGPH) proposes that reproductive division of labour in social insects had its antecedents in the ancient gene regulatory networks that evolved to regulate the foraging and reproductive phases of their solitary ancestors. Thus, queens express trait...

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Autores principales:	Benjamin P Oldroyd, Madeleine Beekman
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2008
Materias:	Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/b854767fd4fd49bc8a0dd275677b7420
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spelling	oai:doaj.org-article:b854767fd4fd49bc8a0dd275677b74202021-11-25T05:33:28ZEffects of selection for honey bee worker reproduction on foraging traits.1544-91731545-788510.1371/journal.pbio.0060056https://doaj.org/article/b854767fd4fd49bc8a0dd275677b74202008-03-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/18318602/?tool=EBIhttps://doaj.org/toc/1544-9173https://doaj.org/toc/1545-7885The "reproductive ground plan" hypothesis (RGPH) proposes that reproductive division of labour in social insects had its antecedents in the ancient gene regulatory networks that evolved to regulate the foraging and reproductive phases of their solitary ancestors. Thus, queens express traits that are characteristic of the reproductive phase of solitary insects, whereas workers express traits characteristic of the foraging phase. The RGPH has also been extended to help understand the regulation of age polyethism within the worker caste and more recently to explain differences in the foraging specialisations of individual honey bee workers. Foragers that specialise in collecting proteinaceous pollen are hypothesised to have higher reproductive potential than individuals that preferentially forage for nectar because genes that were ancestrally associated with the reproductive phase are active. We investigated the links between honey bee worker foraging behaviour and reproductive traits by comparing the foraging preferences of a line of workers that has been selected for high rates of worker reproduction with the preferences of wild-type bees. We show that while selection for reproductive behaviour in workers has not altered foraging preferences, the age at onset of foraging of our selected line has been increased. Our findings therefore support the hypothesis that age polyethism is related to the reproductive ground plan, but they cast doubt on recent suggestions that foraging preferences and reproductive traits are pleiotropically linked.Benjamin P OldroydMadeleine BeekmanPublic Library of Science (PLoS)articleBiology (General)QH301-705.5ENPLoS Biology, Vol 6, Iss 3, p e56 (2008)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biology (General) QH301-705.5
spellingShingle	Biology (General) QH301-705.5 Benjamin P Oldroyd Madeleine Beekman Effects of selection for honey bee worker reproduction on foraging traits.
description	The "reproductive ground plan" hypothesis (RGPH) proposes that reproductive division of labour in social insects had its antecedents in the ancient gene regulatory networks that evolved to regulate the foraging and reproductive phases of their solitary ancestors. Thus, queens express traits that are characteristic of the reproductive phase of solitary insects, whereas workers express traits characteristic of the foraging phase. The RGPH has also been extended to help understand the regulation of age polyethism within the worker caste and more recently to explain differences in the foraging specialisations of individual honey bee workers. Foragers that specialise in collecting proteinaceous pollen are hypothesised to have higher reproductive potential than individuals that preferentially forage for nectar because genes that were ancestrally associated with the reproductive phase are active. We investigated the links between honey bee worker foraging behaviour and reproductive traits by comparing the foraging preferences of a line of workers that has been selected for high rates of worker reproduction with the preferences of wild-type bees. We show that while selection for reproductive behaviour in workers has not altered foraging preferences, the age at onset of foraging of our selected line has been increased. Our findings therefore support the hypothesis that age polyethism is related to the reproductive ground plan, but they cast doubt on recent suggestions that foraging preferences and reproductive traits are pleiotropically linked.
format	article
author	Benjamin P Oldroyd Madeleine Beekman
author_facet	Benjamin P Oldroyd Madeleine Beekman
author_sort	Benjamin P Oldroyd
title	Effects of selection for honey bee worker reproduction on foraging traits.
title_short	Effects of selection for honey bee worker reproduction on foraging traits.
title_full	Effects of selection for honey bee worker reproduction on foraging traits.
title_fullStr	Effects of selection for honey bee worker reproduction on foraging traits.
title_full_unstemmed	Effects of selection for honey bee worker reproduction on foraging traits.
title_sort	effects of selection for honey bee worker reproduction on foraging traits.
publisher	Public Library of Science (PLoS)
publishDate	2008
url	https://doaj.org/article/b854767fd4fd49bc8a0dd275677b7420
work_keys_str_mv	AT benjaminpoldroyd effectsofselectionforhoneybeeworkerreproductiononforagingtraits AT madeleinebeekman effectsofselectionforhoneybeeworkerreproductiononforagingtraits
_version_	1718414662173720576

Effects of selection for honey bee worker reproduction on foraging traits.

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