Evidence map›Paper›PMID 15879513›Full record

ArticleGenetics2005

A composite-likelihood approach for detecting directional selection from DNA sequence data.

Lan Zhu, Carlos D Bustamante

Abstract read
In one paragraph

Article in Genetics, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

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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

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3 · Its place in the literature

Who cites it

28 citing papers in PubMed.

  1. Pervasive cryptic selection in the human noncoding genome.bioRxiv : the preprint server for biology · 2026
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  6. Long-read bitter gourd (Proceedings of the National Academy of Sciences of the United States of America · 2020
    Article
  7. ASFVdb: an integrative resource for genomic and proteomic analyses of African swine fever virus.Database : the journal of biological databases and curation · 2020
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  18. Integrating evolutionary and functional approaches to infer adaptation at specific loci.Evolution; international journal of organic evolution · 2010
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4 · The record

Corrections and comments

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5 · Who and what money

Authors and funding

2 authors.

Lan ZhuDepartment of Biological Statistics and Computational Biology, Cornell University, Ithaca, New York 14853, USA.
Carlos D Bustamante

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We present a novel composite-likelihood-ratio test (CLRT) for detecting genes and genomic regions that are subject to recurrent natural selection (either positive or negative). The method uses the likelihood functions of Hartl et al. (1994) for inference in a Wright-Fisher genic selection model and corrects for nonindependence among sites by application of coalescent simulations with recombination. Here, we (1) characterize the distribution of the CLRT statistic (Lambda) as a function of the population recombination rate (R=4Ner); (2) explore the effects of bias in estimation of R on the size (type I error) of the CLRT; (3) explore the robustness of the model to population growth, bottlenecks, and migration; (4) explore the power of the CLRT under varying levels of mutation, selection, and recombination; (5) explore the discriminatory power of the test in distinguishing negative selection from population growth; and (6) evaluate the performance of maximum composite-likelihood estimation (MCLE) of the selection coefficient. We find that the test has excellent power to detect weak negative selection and moderate power to detect positive selection. Moreover, the test is quite robust to bias in the estimate of local recombination rate, but not to certain demographic scenarios such as population growth or a recent bottleneck. Last, we demonstrate that the MCLE of the selection parameter has little bias for weak negative selection and has downward bias for positively selected mutations.

Indexed as

Genetics, PopulationModels, GeneticSelection, GeneticBase SequenceComputer SimulationLikelihood FunctionsMutationRecombination, Genetic

Identifiers

PMID15879513
PMCPMC1451173

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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.