Admixture Dynamics, Natural Selection and Diseases in Admixed Populations

Nonfiction, Health & Well Being, Medical, Medical Science, Genetics, Science & Nature, Science, Biological Sciences, Physiology
Cover of the book Admixture Dynamics, Natural Selection and Diseases in Admixed Populations by Wenfei Jin, Springer Netherlands
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Author: Wenfei Jin ISBN: 9789401774086
Publisher: Springer Netherlands Publication: October 20, 2015
Imprint: Springer Language: English
Author: Wenfei Jin
ISBN: 9789401774086
Publisher: Springer Netherlands
Publication: October 20, 2015
Imprint: Springer
Language: English

In this thesis, Dr. Jin presents the distribution of ancestral chromosomal segments in the admixed genome, which could provide the information needed to explore population admixture dynamics. The author derives accurate population histories of African Americans and Mexicans using genome-wide single nucleotide polymorphisms (SNPs) data. Mapping the genetic background facilitates the study of natural selection in the admixed population, and the author identifies the signals of selection in African Americans since their African ancestors left for America. He further demonstrates that many of the selection signals were associated with African American-specific high-risk diseases such as prostate cancer and hypertension, suggesting an important role these disease-related genes might have played in adapting to their new environment. Lastly, the author reveals the complexity of natural selection in shaping human susceptibility to disease. The thesis significantly advances our understanding of the recent population admixture, adaptation to local environment and its health implications.

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In this thesis, Dr. Jin presents the distribution of ancestral chromosomal segments in the admixed genome, which could provide the information needed to explore population admixture dynamics. The author derives accurate population histories of African Americans and Mexicans using genome-wide single nucleotide polymorphisms (SNPs) data. Mapping the genetic background facilitates the study of natural selection in the admixed population, and the author identifies the signals of selection in African Americans since their African ancestors left for America. He further demonstrates that many of the selection signals were associated with African American-specific high-risk diseases such as prostate cancer and hypertension, suggesting an important role these disease-related genes might have played in adapting to their new environment. Lastly, the author reveals the complexity of natural selection in shaping human susceptibility to disease. The thesis significantly advances our understanding of the recent population admixture, adaptation to local environment and its health implications.

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