Evidence map›Paper›PMID 19380480›Full record

ArticleGenetics2009

Genetic analysis of zinc-finger nuclease-induced gene targeting in Drosophila.

Ana Bozas, Kelly J Beumer, Jonathan K Trautman, Dana Carroll

Open access · bronzeAbstract read
In one paragraph

Article in Genetics, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers.

0numbers the graph read from it
0cells of the map it votes in
69citing papers in PubMed
4.4field-weighted citation impact, top 5% 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

69 citing papers in PubMed, 116 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Gene drives gaining speed.Nature reviews. Genetics · 2022
    Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Review
  12. Review
  13. Review
  14. Review
  15. Review
  16. Article
  17. Review
  18. A review on advanced methods in plant gene targeting.Journal, genetic engineering & biotechnology · 2017
    Review
  19. Genome Editing: Past, Present, and Future.The Yale journal of biology and medicine · 2017
    Review
  20. Article

9 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

4 authors at 1 institution in 1 country.

Ana BozasDepartment of Biochemistry, University of Utah School of Medicine, Salt Lake City, Utah 84112-5650, USA.
Kelly J Beumer
Jonathan K Trautman
Dana Carroll
University of Utah · US

Funding

Optimizing Genome Engineering with Targetable NucleasesR01GM078571 · NIGMS · UNIVERSITY OF UTAH · PI CARROLL, DANA · 2006 to 2017
$4.3M
Chimeric Nucleases for Gene Targeting in DrosophilaR01GM058504 · NIGMS · UNIVERSITY OF UTAH · PI CARROLL, DANA · 1999 to 2003
$919k
NIGMS NIH HHS GM58504NIGMS NIH HHS GM78571NIGMS NIH HHS R01 GM058504NIGMS NIH HHS R01 GM078571
6 · The paper itself

Abstract

Using zinc-finger nucleases (ZFNs) to cleave the chromosomal target, we have achieved high frequencies of gene targeting in the Drosophila germline. Both local mutagenesis through nonhomologous end joining (NHEJ) and gene replacement via homologous recombination (HR) are stimulated by target cleavage. In this study we investigated the mechanisms that underlie these processes, using materials for the rosy (ry) locus. The frequency of HR dropped significantly in flies homozygous for mutations in spnA (Rad51) or okr (Rad54), two components of the invasion-mediated synthesis-dependent strand annealing (SDSA) pathway. When single-strand annealing (SSA) was also blocked by the use of a circular donor DNA, HR was completely abolished. This indicates that the majority of HR proceeds via SDSA, with a minority mediated by SSA. In flies deficient in lig4 (DNA ligase IV), a component of the major NHEJ pathway, the proportion of HR products rose significantly. This indicates that most NHEJ products are produced in a lig4-dependent process. When both spnA and lig4 were mutated and a circular donor was provided, the frequency of ry mutations was still high and no HR products were recovered. The local mutations produced in these circumstances must have arisen through an alternative, lig4-independent end-joining mechanism. These results show what repair pathways operate on double-strand breaks in this gene targeting system. They also demonstrate that the outcome can be biased toward gene replacement by disabling the major NHEJ pathway and toward simple mutagenesis by interfering with the major HR process.

Indexed as

Zinc FingersAnimalsATP-Binding Cassette TransportersBase SequenceDNA-Binding ProteinsDNA Breaks, Double-StrandedDNA HelicasesDNA Ligase ATPDNA LigasesDNA RepairDNA, Single-StrandedDrosophila melanogasterDrosophila ProteinsEgg ProteinsEndoribonucleasesGene TargetingATP-Binding Cassette Transportersbw protein, DrosophilaDNA-Binding ProteinsDNA HelicasesDNA Ligase ATPDNA LigasesDNA, Single-StrandedDrosophila ProteinsEgg ProteinsEndoribonucleasesokr protein, DrosophilaRad51 Recombinasespn-A protein, Drosophila

Identifiers

PMID19380480
PMCPMC2710147
OpenAlexW2159569892

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.