Stepwise detection of recombination breakpoints in sequence alignments

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Abstract

Motivation: We propose a stepwise approach to identify recombination breakpoints in a sequence alignment. The approach can be applied to any recombination detection method that uses a permutation test and provides estimates of breakpoints. Results: We illustrate the approach by analyses of a simulated dataset and alignments of real data from HIV-1 and human chromosome 7. The presented simulation results compare the statistical properties of one-step and two-step procedures. More breakpoints are found with a two-step procedure than with a single application of a given method, particularly for higher recombination rates. At higher recombination rates, the additional breakpoints were located at the cost of only a slight increase in the number of falsely declared breakpoints. However, a large proportion of breakpoints still go undetected. © The Author 2004. Published by Oxford University Press. All rights reserved.

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Graham, J., McNeney, B., & Seillier-Moiseiwitsch, F. (2005). Stepwise detection of recombination breakpoints in sequence alignments. Bioinformatics, 21(5), 589–595. https://doi.org/10.1093/bioinformatics/bti040

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