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Sweep Selection (Tajima's D)×Коалесцентная теория×Тест Макдональда-Крейтмана (MK)×
ОбластьГенетикаГенетикаГенетика
СемействоProcess / pipelineProcess / pipelineProcess / pipeline
Год появления198919821991
Автор методаFumio TajimaJohn KingmanJames McDonald & Martin Kreitman
ТипNeutrality testStochastic process modelHypothesis test
Основополагающий источникTajima, F. (1989). Statistical method for testing the neutral mutation hypothesis by DNA polymorphism. Genetics, 123(3), 585–595. DOI ↗Kingman, J. F. C. (1982). The coalescent. Stochastic Processes and their Applications, 13(3), 235–248. DOI ↗McDonald, J. H., & Kreitman, M. (1991). Adaptive protein evolution at the Adh locus in Drosophila. Nature, 351(6328), 652–654. DOI ↗
Другие названияTajima's D test, Selective sweep analysis, Neutrality testKingman Coalescent, n-coalescentMK test, Positive selection test
Связанные444
СводкаTajima's D is a statistical test designed to detect selective sweeps—recent, rapid fixation of advantageous mutations—from patterns of genetic variation in DNA sequences. Developed by Fumio Tajima in 1989, this test measures deviations from neutrality by comparing different measures of DNA sequence diversity. A significant Tajima's D value indicates departure from neutral evolution, suggesting positive selection, population structure, or demographic events.Coalescent theory is a probabilistic framework that traces the genealogical history of DNA sequences backward in time to their most recent common ancestor. Developed by John Kingman in 1982, this method forms the foundation of modern population genetics, enabling researchers to understand demographic events, estimate genetic parameters, and reconstruct evolutionary histories from modern genetic data.The McDonald-Kreitman (MK) test is a statistical method for detecting adaptive evolution by comparing ratios of synonymous and nonsynonymous substitutions within and between species. Developed by James McDonald and Martin Kreitman in 1991, this test exploits the key insight that neutral mutations accumulate at similar rates within and between species, while adaptive (nonsynonymous) substitutions should be enriched between species if they have been fixed by positive selection. The MK test has become a standard tool in molecular evolutionary biology for identifying genes under natural selection.
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ScholarGateСравнение методов: Selection Sweep (Tajima's D) · Coalescent Theory · McDonald-Kreitman Test. Получено 2026-06-20 из https://scholargate.app/ru/compare