The Evolution and Development of Eusocial Insect Behavior

Doležal, Adam; Flores, Kevin; Traynor, Kirsten S.; Amdam, Gro V.

doi:10.1002/9781118707449.ch3

Cited by 2 publications

(1 citation statement)

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“…More broadly, we note that in solitary Hymenopterans, nutritional cues are intimately related to oogenesis (Toth, Varala et al 2007). Thus nutritional cues may also have a role in regulating oogenesis in the queens of advanced eusocial insects (Hunt and Amdam 2005; Dolezal, Flores et al 2013).…”

Section: Introductionmentioning

confidence: 99%

Regulation of oogenesis in the queen honey bee (Apis mellifera)

Aamidor

Harianto

et al. 2021

Preprint

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In the honey bee (Apis mellifera), queen and worker castes originate from identical genetic templates but develop into different phenotypes. Queens lay up to 2,000 eggs daily whereas workers are sterile in the queens presence. Periodically queens stop laying; during swarming, when resources are scarce in winter and when they are confined to a cage by beekeepers. We used confocal microscopy and gene expression assays to investigate the control of oogenesis in honey bee queen ovaries. We show that queens use different combination of checkpoints to regulate oogenesis compared to honey bee workers and other insect species. However, both queen and worker castes use the same programmed cell death pathways to terminate oocyte development at their caste-specific checkpoints. Our results also suggest that the termination of oogenesis in queens is driven by nutritional stress. Thus, queens may regulate oogenesis via the same regulatory pathways that were utilised by ancestral solitary species but have adjusted physiological checkpoints to suit their highly-derived life history.

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Section: Introductionmentioning

confidence: 99%