학술논문

Ancient hybridization and strong adaptation to viruses across African vervet monkey populations.
Document Type
article
Source
Nature genetics. 49(12)
Subject
CD4-Positive T-Lymphocytes
Animals
Macaca mulatta
Simian Acquired Immunodeficiency Syndrome
Gene Expression Profiling
Hybridization
Genetic
Adaptation
Physiological
Phylogeny
Species Specificity
Africa
Simian immunodeficiency virus
Gene Regulatory Networks
Host-Pathogen Interactions
Genetic Variation
Gene Ontology
Chlorocebus aethiops
Simian Immunodeficiency Virus
Human Genome
Genetics
Biotechnology
Good Health and Well Being
Biological Sciences
Medical and Health Sciences
Developmental Biology
Language
Abstract
Vervet monkeys are among the most widely distributed nonhuman primates, show considerable phenotypic diversity, and have long been an important biomedical model for a variety of human diseases and in vaccine research. Using whole-genome sequencing data from 163 vervets sampled from across Africa and the Caribbean, we find high diversity within and between taxa and clear evidence that taxonomic divergence was reticulate rather than following a simple branching pattern. A scan for diversifying selection across taxa identifies strong and highly polygenic selection signals affecting viral processes. Furthermore, selection scores are elevated in genes whose human orthologs interact with HIV and in genes that show a response to experimental simian immunodeficiency virus (SIV) infection in vervet monkeys but not in rhesus macaques, suggesting that part of the signal reflects taxon-specific adaptation to SIV.