3 results — topic: Balancing selection
Data for: Increasing aridity may threaten the maintenance of a plant defense polymorphism
It is unclear how environmental change influences standing genetic variation in wild populations. Here, we characterized environmental conditions that protect vs. erode polymorphic chemical defenses in Boechera stricta (Brassicaceae), a short-lived perennial wildflower. By manipulating drought and h
Data from: Ecological factors influence balancing selection on leaf chemical profiles of a wildflower
Balancing selection is frequently invoked as a mechanism to maintain variation within and across populations. However, rigorous tests demonstrating balancing selection operating in nature are scarce, particularly on complex traits, which frequently display high levels of variation. Leveraging a foca
Data from: Duplication and population dynamics shape historic patterns of selection and genetic variation at the major histocompatibility complex in rodents
Genetic variation at the MHC is vitally important for wildlife populations to respond to pathogen threats. Because natural populations can fluctuate greatly in size, a key issue concerns how population cycles and bottlenecks that could reduce genetic diversity will influence MHC genes. Using 454 seq