Evidence map›Paper›PMID 21460235›Full record

ArticleRNA (New York, N.Y.)2011

Multiple mechanisms collaborate to repress nanos translation in the Drosophila ovary and embryo.

Shane Andrews, Danielle R Snowflack, Ira E Clark, Elizabeth R Gavis

Open access · bronzeAbstract read
In one paragraph

Article in RNA (New York, N.Y.), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
1.9field-weighted citation impact, top 14% 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

21 citing papers in PubMed, 32 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Translational Control during Developmental Transitions.Cold Spring Harbor perspectives in biology · 2019
    Review
  6. Review
  7. Article
  8. Article
  9. Germ Plasm Biogenesis--An Oskar-Centric Perspective.Current topics in developmental biology · 2016
    Review
  10. Review
  11. Article
  12. Article
  13. The biology of the germ line in echinoderms.Molecular reproduction and development · 2014
    Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. mRNA localization and translational control in Drosophila oogenesis.Cold Spring Harbor perspectives in biology · 2012
    Review
  19. From cis-regulatory elements to complex RNPs and back.Cold Spring Harbor perspectives in biology · 2012
    Article
  20. RNA granules in germ cells.Cold Spring Harbor perspectives in biology · 2011
    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

4 authors at 1 institution in 1 country.

Shane AndrewsDepartment of Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA.
Danielle R Snowflack
Ira E Clark
Elizabeth R Gavis
Princeton University · US

Funding

ONCOLOGY: MOLECULAR BASIS OF CANCERT32CA009528 · NCI · PRINCETON UNIVERSITY · PI BROACH, JAMES R. · 1985 to 2010
$5.9M
Translational Regulation of Patterning in DrosphilaR01GM061107 · NIGMS · PRINCETON UNIVERSITY · PI GAVIS, ELIZABETH R · 2001 to 2017
$5.2M
MECHANISM OF TRANSLATIONAL REGULATION OF NANOS MRNAF32GM018770 · NIGMS · PRINCETON UNIVERSITY · PI CLARK, IRA E · 1998 to 1999
–
NCI NIH HHS CA09528NCI NIH HHS T32 CA009528NIGMS NIH HHS F32 GM018770NIGMS NIH HHS F32 GM18770-01A1NIGMS NIH HHS GM061107NIGMS NIH HHS R01 GM061107
6 · The paper itself

Abstract

Translational control of gene expression is essential for development in organisms that rely on maternal mRNAs. In Drosophila, translation of maternal nanos (nos) mRNA must be restricted to the posterior of the early embryo for proper patterning of the anterior-posterior axis. Spatial control of nos translation is coordinated through the localization of a small subset of nos mRNA to the posterior pole late in oogenesis, activation of this localized mRNA, and repression of the remaining unlocalized nos mRNA throughout the bulk cytoplasm. Translational repression is mediated by the interaction of a cis-acting element in the nos 3' untranslated region with two proteins, Glorund (Glo) and Smaug (Smg), that function in the oocyte and embryo, respectively. The mechanism of Glo-dependent repression is unknown. Previous work suggests that Smg represses translation initiation but this model is not easily reconciled with evidence for polysome association of repressed nos mRNA. Using an in vitro translation system, we have decoupled translational repression of nos imposed during oogenesis from repression during embryogenesis. Our results suggest that both Glo and Smg regulate translation initiation, but by different mechanisms. Furthermore, we show that, during late oogenesis, nos translation is also repressed post-initiation and provide evidence that Glo mediates this event. This post-initiation block is maintained into embryogenesis during the transition to Smg-dependent regulation. We propose that the use of multiple modes of repression ensures inactivation of nos RNA that is translated at earlier stages of oogenesis and maintenance of this inactivate state throughout late oogenesis into embryogenesis.

Indexed as

Protein BiosynthesisAnimalsDrosophila melanogasterDrosophila ProteinsFemaleOogenesisOvaryPoly ARNA-Binding ProteinsDrosophila Proteinsnos protein, DrosophilaPoly ARNA-Binding Proteins

Identifiers

PMID21460235
PMCPMC3078745
OpenAlexW2167955445

What OpenQuestion holds

Textmetadata
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.