Evidence map›Paper›PMID 30727948›Full record

ArticleBMC bioinformatics2019

Estimation of duplication history under a stochastic model for tandem repeats.

Farzad Farnoud, Moshe Schwartz, Jehoshua Bruck

Open access · goldAbstract read
In one paragraph

Article in BMC bioinformatics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
0.9field-weighted citation impact, top 26% 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

2 citing papers in PubMed, 17 citations in OpenAlex.

  1. Article
  2. 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 at 3 institutions in 2 countries.

Farzad FarnoudDepartment of Electrical and Computer Engineering, Department of Computer Science, University of Virginia, Charlottesville, USA. farzad@virginia.edu.ORCID http://orcid.org/0000-0002-8684-4487
Moshe SchwartzDepartment of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel.
Jehoshua BruckDepartment of Electrical Engineering, California Institute of Technology, Pasadena, USA.
Ben-Gurion University of the Negev · ILCalifornia Institute of Technology · USUniversity of Virginia · US

Funding

Directorate for Computer and Information Science and Engineering 1317694Directorate for Computer and Information Science and Engineering 1755773
6 · The paper itself

Abstract

backgroundTandem repeat sequences are common in the genomes of many organisms and are known to cause important phenomena such as gene silencing and rapid morphological changes. Due to the presence of multiple copies of the same pattern in tandem repeats and their high variability, they contain a wealth of information about the mutations that have led to their formation. The ability to extract this information can enhance our understanding of evolutionary mechanisms.

resultsWe present a stochastic model for the formation of tandem repeats via tandem duplication and substitution mutations. Based on the analysis of this model, we develop a method for estimating the relative mutation rates of duplications and substitutions, as well as the total number of mutations, in the history of a tandem repeat sequence. We validate our estimation method via Monte Carlo simulation and show that it outperforms the state-of-the-art algorithm for discovering the duplication history. We also apply our method to tandem repeat sequences in the human genome, where it demonstrates the different behaviors of micro- and mini-satellites and can be used to compare mutation rates across chromosomes. It is observed that chromosomes that exhibit the highest mutation activity in tandem repeat regions are the same as those thought to have the highest overall mutation rates. However, unlike previous works that rely on comparing human and chimpanzee genomes to measure mutation rates, the proposed method allows us to find chromosomes with the highest mutation activity based on a single genome, in essence by comparing (approximate) copies of the pattern in tandem repeats.

conclusionThe prevalence of tandem repeats in most organisms and the efficiency of the proposed method enable studying various aspects of the formation of tandem repeats and the surrounding sequences in a wide range of settings. AVAILABILITY: The implementation of the estimation method is available at http://ips.lab.virginia.edu/smtr .

Indexed as

Gene DuplicationAlgorithmsChromosomes, Human, XComputer SimulationGenome, HumanHumansMonte Carlo MethodMutationMutation RateStochastic ProcessesTandem Repeat SequencesDuplication historyEstimationStochastic approximationTandem repeats

Identifiers

PMID30727948
PMCPMC6364452
OpenAlexW2920631785

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.