Evidence map›Paper›PMID 28353195›Full record

ArticleDie Naturwissenschaften2017

Intrinsic worker mortality depends on behavioral caste and the queens' presence in a social insect.

Philip Kohlmeier, Matteo Antoine Negroni, Marion Kever, Stefanie Emmling, Heike Stypa, Barbara Feldmeyer, Susanne Foitzik

Abstract read
PubMed Publisher
In one paragraph

Article in Die Naturwissenschaften, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed.

  1. Multi-Omics Analysis RevealsEcology and evolution · 2025
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  11. The plasticity of lifespan in social insects.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021
    Review
  12. Ageing and sociality: why, when and how does sociality change ageing patterns?Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021
    Article
  13. Queen loss increases worker survival in leaf-cutting ants under paraquat-induced oxidative stress.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021
    Article
  14. Molecular regulation of lifespan extension in fertile ant workers.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021
    Article
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  17. Special Significance of Non-Frontiers in cell and developmental biology · 2020
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Philip KohlmeierInstitute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, Johannes von Müller Weg 6, 55128, Mainz, Germany. philip.gueler@gmail.com.
Matteo Antoine NegroniInstitute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, Johannes von Müller Weg 6, 55128, Mainz, Germany.
Marion KeverInstitute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, Johannes von Müller Weg 6, 55128, Mainz, Germany.
Stefanie EmmlingInstitute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, Johannes von Müller Weg 6, 55128, Mainz, Germany.
Heike StypaInstitute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, Johannes von Müller Weg 6, 55128, Mainz, Germany.
Barbara FeldmeyerSenckenberg Biodiversity and Climate Research Centre, Senckenberg Gesellschaft für Naturforschung, Senckenberganlage 25, D-60325, Frankfurt am Main, Germany.
Susanne FoitzikInstitute of Organismic and Molecular Evolution, Johannes Gutenberg University Mainz, Johannes von Müller Weg 6, 55128, Mainz, Germany.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

According to the classic life history theory, selection for longevity depends on age-dependant extrinsic mortality and fecundity. In social insects, the common life history trade-off between fecundity and longevity appears to be reversed, as the most fecund individual, the queen, often exceeds workers in lifespan several fold. But does fecundity directly affect intrinsic mortality also in social insect workers? And what is the effect of task on worker mortality? Here, we studied how social environment and behavioral caste affect intrinsic mortality of ant workers. We compared worker survival between queenless and queenright Temnothorax longispinosus nests and demonstrate that workers survive longer under the queens' absence. Temnothorax ant workers fight over reproduction when the queen is absent and dominant workers lay eggs. Worker fertility might therefore increase lifespan, possibly due to a positive physiological link between fecundity and longevity, or better care for fertile workers. In social insects, division of labor among workers is age-dependant with young workers caring for the brood and old ones going out to forage. We therefore expected nurses to survive longer than foragers, which is what we found. Surprisingly, inactive inside workers showed a lower survival than nurses but comparable to that of foragers. The reduced longevity of inactive workers could be due to them being older than the nurses, or due to a positive effect of activity on lifespan. Overall, our study points to behavioral caste-dependent intrinsic mortality rates and a positive association between fertility and longevity not only in queens but also in ant workers.

Indexed as

AnimalsAntsBehavior, AnimalFemaleLongevityReproductionSocial BehaviorDivision of laborFecundityIntrinsic mortalityLife historySocial insectsSurvivalTrade-offs

Identifiers

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.