Results 221 to 230 of about 16,978 (246)
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Hitchhiking and Selective Sweeps
2018When a favorable allele increases in frequency, it alters the coalescent structure (the pattern of times back to a common ancestor) at linked sites relative to that under drift. This creates patterns of sequence polymorphism than can be used to potentially detect ongoing, or very recent, selection.
Bruce Walsh, Michael Lynch
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Sweeping range control in a self-sweeping laser with selective mirrors
Advanced Sensor Systems and Applications VIII, 2018The laser wavelength in self-sweeping laser is linearly changing in time from start to stop wavelength without use of optical elements and electrical drivers for frequency tuning. Absolute difference between the start and stop wavelength values (sweeping span) characterizing the sweeping process is one of the key characteristics of any tunable source ...
Sergey Kablukov +3 more
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Fast and robust detection of ancestral selective sweeps
Molecular Ecology, 2017AbstractThere are few methods tailored for detecting signals of positive selection in populations directly ancestral to multiple descendent populations. We introduce the ancestral branch statistic (ABS), a four‐population summary statistic for identifying selective sweeps occurring in the direct ancestor of a pair of populations.
Xiaoheng Cheng +2 more
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Selective sweeps in Cryptocercus woodroach antifungal proteins
Genetica, 2016We identified the antifungal gene termicin in three species of Cryptocercus woodroaches. Cryptocercus represents the closest living cockroach lineage of termites, which suggests that the antifungal role of termicin evolved prior to the divergence of termites from other cockroaches.
Joseph F, Velenovsky +2 more
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Haplotype-based analysis of selective sweeps in sheep
Genome, 2014Domestic animals represent an extremely useful model for linking genotypic and phenotypic variation. One approach involves identifying allele frequency differences between populations, using FST, to detect selective sweeps. While simple to calculate, FST may generate false positives due to aspects of population history.
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Recurrent and recent selective sweeps in the piRNA pathway.
Evolution; international journal of organic evolution, 2013Uncontrolled transposable element (TE) insertions and excisions can cause chromosome breaks and mutations with dramatic deleterious effects. The PIWI interacting RNA (piRNA) pathway functions as an adaptive TE silencing system during germline development.
Simkin, Alfred +4 more
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Discovery of Ongoing Selective Sweeps within Anopheles Mosquito Populations Using Deep Learning
Molecular Biology and Evolution, 2021Daniel Schrider +2 more
exaly
Interspecific Gene Flow and Selective Sweeps in Picea wilsonii, P. neoveitchii and P. likiangensis
Plants, 2022Zhi Wang, Zeping Jiang, Zirui Jia
exaly