Evidence map›Paper›PMID 20045325›Full record

ArticleCurrent biology : CB2010

Requirement for an enzymatic visual cycle in Drosophila.

Xiaoyue Wang, Tao Wang, Yuchen Jiao, Johannes von Lintig, Craig Montell

Open access · bronzeAbstract read
In one paragraph

Article in Current biology : CB, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.

0numbers the graph read from it
0cells of the map it votes in
52citing papers in PubMed
4.7field-weighted citation impact, top 4% 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

52 citing papers in PubMed, 93 citations in OpenAlex.

  1. Loss of calcium-binding proteinbioRxiv : the preprint server for biology · 2026
    Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Review
  11. Article
  12. Review
  13. Review
  14. Review
  15. Article
  16. Structural and mechanistic aspects of carotenoid cleavage dioxygenases (CCDs).Biochimica et biophysica acta. Molecular and cell biology of lipids · 2020
    Review
  17. Article
  18. Pulse magnetization elicits differential gene expression in the central nervous system of the Caribbean spiny lobster, Panulirus argus.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2020
    Article
  19. Article
  20. Review
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

5 authors at 3 institutions in 1 country.

Xiaoyue WangCenter for Sensory Biology, Departments of Biological Chemistry and Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
Tao Wang
Yuchen Jiao
Johannes von Lintig
Craig Montell
Johns Hopkins Medicine · USCase Western Reserve University · USJohns Hopkins University · US

Funding

Unconventional roles for opsinsR01EY008117 · NEI · UNIVERSITY OF CALIFORNIA SANTA BARBARA · PI MONTELL, CRAIG · 1989 to 2022
$8.2M
Carotinoids in VisionR01EY020551 · NEI · CASE WESTERN RESERVE UNIVERSITY · PI VON LINTIG, JOHANNES FRIEDRICH · 2011 to 2024
$4.8M
Molecular Components Affecting Ocular Retinoid HomeostasisR01EY019641 · NEI · CASE WESTERN RESERVE UNIVERSITY · PI VON LINTIG, JOHANNES FRIEDRICH · 2009 to 2012
$1.5M
NEI NIH HHS EY019641NEI NIH HHS EY08117NEI NIH HHS R01 EY008117NEI NIH HHS R01 EY020551
6 · The paper itself

Abstract

backgroundThe visual cycle is an enzymatic pathway employed in the vertebrate retina to regenerate the chromophore after its release from light-activated rhodopsin. However, a visual cycle is thought to be absent in invertebrates such as the fruit fly Drosophila melanogaster.

resultsWe demonstrate that an enzymatic visual cycle exists in flies for chromophore regeneration and requires a retinol dehydrogenase, PDH, in retinal pigment cells. Absence of PDH resulted in progressive light-dependent loss of rhodopsin and retinal degeneration. These defects are suppressed by introduction of a mammalian dehydrogenase, RDH12, which is required in humans to prevent retinal degeneration. We demonstrate that a visual cycle is required in flies to sustain a visual response under nutrient deprivation conditions that preclude de novo production of the chromophore.

conclusionsOur results demonstrate that an enzymatic visual cycle exists and is required in flies for maintaining rhodopsin levels. These findings establish Drosophila as an animal model for studying the visual cycle and retinal diseases associated with chromophore regeneration.

Indexed as

Vision, OcularAlcohol OxidoreductasesAnimalsAnimals, Genetically ModifiedDrosophila melanogasterPigment Epithelium of EyeAlcohol Oxidoreductasesretinol dehydrogenase

Identifiers

PMID20045325
PMCPMC2818770
OpenAlexW2079269808

What OpenQuestion holds

Textmetadata
LicenceTDM
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.