Evidence map›Paper›PMID 19613462›Full record

ArticleJournal of insect science (Online)2009

Evolution of the gene lineage encoding the carbon dioxide receptor in insects.

Hugh M Robertson, Lauren B Kent

Abstract read
In one paragraph

Article in Journal of insect science (Online), 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 85 papers.

0numbers the graph read from it
0cells of the map it votes in
85citing 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

85 citing papers in PubMed.

  1. Review
  2. Article
  3. Carbon dioxide drives oviposition inNational science review · 2025
    Article
  4. Morphological specializations of mosquito COProceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  5. Article
  6. Review
  7. Review
  8. Article
  9. Article
  10. Molecular Basis of COInternational journal of molecular sciences · 2024
    Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article

25 more citing papers are in PubMed but not listed here.

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

2 authors.

Hugh M RobertsonDepartment of Entomology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA. hughrobe@uiuc.edu
Lauren B Kent

Funding

Gustatory and olfactory receptors of Anopheles gambiaeR01AI056081 · NIAID · UNIVERSITY OF ILLINOIS URBANA-CHAMPAIGN · PI ROBERTSON, HUGH M. · 2003 to 2006
$1.0M
NIAID NIH HHS AI56081NIAID NIH HHS R01 AI056081
6 · The paper itself

Abstract

A heterodimer of the insect chemoreceptors Gr21a and Gr63a has been shown to be the carbon dioxide receptor in Drosophila melanogaster (Meigen) (Diptera: Drosophilidae). Comparison of the genes encoding these two proteins across the 12 available drosophilid fly genomes allows refined definition of their N-termini. These genes are highly conserved, along with a paralog of Gr21a, in the Anopheles gambiae, Aedes aegypti, and Culex pipiens mosquitoes, as well as in the silk moth Bombyx mori and the red flour beetle Tribolium castaneum. In the latter four species we name these three proteins Gr1, Gr2, and Gr3. Intron evolution within this distinctive three gene lineage is considerable, with at least 13 inferred gains and 39 losses. Surprisingly, this entire ancient gene lineage is absent from all other available more basal insect and related arthropod genomes, specifically the honey bee, parasitoid wasp, human louse, pea aphid, waterflea, and blacklegged tick genomes. At least two of these species can detect carbon dioxide, suggesting that they evolved other means to do so.

Indexed as

Evolution, MolecularAnimalsDrosophilaDrosophila ProteinsGenes, InsectGenome, InsectInsectaIntronsProtein Structure, SecondaryReceptors, Cell Surfacecarbon dioxide receptorDrosophila ProteinsGr21a protein, DrosophilaGr63a protein, DrosophilaReceptors, Cell Surface

Identifiers

PMID19613462
PMCPMC3011840

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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.