Evidence map›Paper›PMID 33750862›Full record

ArticleScientific reports2021

Bumble bee queens activate dopamine production and gene expression in nutritional signaling pathways in the brain.

Ken Sasaki, Kakeru Yokoi, Kouhei Toga

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 1 pooled it
2.2field-weighted citation impact, top 13% of its field
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

18 citing papers in PubMed, 1 synthesis or guideline pooled it, 29 citations in OpenAlex.

  1. Pooled it
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  5. Review
  6. Article
  7. International journal of molecular sciences · 2024
    Article
  8. Article
  9. The Molecular Substrates of Insect Eusociality.Annual review of genetics · 2024
    Review
  10. Roles of DNA Methylation in Color Alternation of Eastern Honey Bees (International journal of molecular sciences · 2024
    Article
  11. Article
  12. Article
  13. 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

3 authors at 3 institutions in 1 country.

Ken SasakiGraduate School of Agriculture, Honeybee Science Research Center, Tamagawa University, Machida, Tokyo, 194-8610, Japan. sasakik@agr.tamagawa.ac.jp.
Kakeru YokoiInsect Genome Research Unit, Division of Applied Genetics, The National Agriculture and Research Organization, Institute of Agrobiological Sciences, Owashi 1-2, Tsukuba, Ibaraki, 305-8634, Japan.
Kouhei TogaDepartment of Biosciences, College of Humanities and Sciences, Nihon University, Sakurajyosui 3-25-40, Setagaya-Ku, Tokyo, 156-8550, Japan.
Institute of Agrobiological Sciences · JPNihon University · JPTamagawa University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To explore the neuroendocrine mechanisms underlying caste-specific behavior and its evolution from primitive to advanced eusocial bees, the monoamine levels and expression of genes involved in monoamine production and signaling in the brain were compared between the castes of Bombus ignitus. Higher levels of dopamine and its related substances were found in the brains of newly emerged queens than in the brains of emerged workers. The degree of caste differences in B. ignitus was smaller than that reported in Apis mellifera, indicating a link to different social stages in the two species. There was no differential expression in genes involved in dopamine biosynthesis between castes, suggesting that the high dopamine production in queens was not largely influenced by the expression of these genes at emergence, rather it might be influenced by tyrosine supply. Genome-wide analyses of gene expression by RNA-sequencing indicated that a greater number of genes involved in nutrition were actively expressed in the brains of newly emerged queens in comparison to the emerged workers. Some of the expression was confirmed by real-time quantitative PCR. The signaling pathways driven by the expression of these genes may be associated with dopamine signaling or the parallel activation of dopamine production.

Indexed as

Gene Expression RegulationSignal TransductionAnimalsBeesBrainDopamineGenome-Wide Association StudyDopamine

Identifiers

PMID33750862
PMCPMC7943803
OpenAlexW3133919327

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.