Evidence map›Paper›PMID 34789167›Full record

ArticleBMC genomics2021

Comprehensive characterization of copy number variation (CNV) called from array, long- and short-read data.

Ksenia Lavrichenko, Stefan Johansson, Inge Jonassen

Abstract read
In one paragraph

Article in BMC genomics, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing 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

19 citing papers in PubMed.

  1. Article
  2. Article
  3. Copy Number Variant Duplications Associated with Essential Tremor.Tremor and other hyperkinetic movements (New York, N.Y.) · 2026
    Article
  4. Article
  5. Article
  6. CNV-Finder: Streamlining Copy Number Variation Discovery.bioRxiv : the preprint server for biology · 2025
    Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Identification of anInternational journal of molecular sciences · 2023
    Article
  18. Article
  19. Article
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.

Ksenia LavrichenkoComputational Biology Unit, University of Bergen, Bergen, Norway. ksenia.lavrichenko@medisin.uio.no.
Stefan JohanssonDepartment of Clinical Science, University of Bergen, Bergen, Norway.
Inge JonassenComputational Biology Unit, University of Bergen, Bergen, Norway.

Funding

Helse Vest 912250 and F-12144Norges Forskningsr?d 315599Novo Nordisk Fonden NNF19OC0057445
6 · The paper itself

Abstract

backgroundSNP arrays, short- and long-read genome sequencing are genome-wide high-throughput technologies that may be used to assay copy number variants (CNVs) in a personal genome. Each of these technologies comes with its own limitations and biases, many of which are well-known, but not all of them are thoroughly quantified.

resultsWe assembled an ensemble of public datasets of published CNV calls and raw data for the well-studied Genome in a Bottle individual NA12878. This assembly represents a variety of methods and pipelines used for CNV calling from array, short- and long-read technologies. We then performed cross-technology comparisons regarding their ability to call CNVs. Different from other studies, we refrained from using the golden standard. Instead, we attempted to validate the CNV calls by the raw data of each technology.

conclusionsOur study confirms that long-read platforms enable recalling CNVs in genomic regions inaccessible to arrays or short reads. We also found that the reproducibility of a CNV by different pipelines within each technology is strongly linked to other CNV evidence measures. Importantly, the three technologies show distinct public database frequency profiles, which differ depending on what technology the database was built on.

Indexed as

DNA Copy Number VariationsPolymorphism, Single NucleotideGenomeGenomicsReproducibility of ResultsCNVGenome in a BottleLong readsMicroarraysShort reads

Identifiers

PMID34789167
PMCPMC8596897

What OpenQuestion holds

Textmetadata
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.