Understanding inbreeding depression, purging, and genetic rescue

PW Hedrick, A Garcia-Dorado - Trends in ecology & evolution, 2016 - cell.com
Inbreeding depression, the reduction of fitness caused by inbreeding, is a nearly universal
phenomenon that depends on past mutation, selection, and genetic drift. Recent estimates …

Purging and accumulation of genetic load in conservation

N Dussex, HE Morales, C Grossen, L Dalén… - Trends in ecology & …, 2023 - cell.com
Our ability to assess the threat posed by the genetic load to small and declining populations
has been greatly improved by advances in genome sequencing and computational …

The long‐standing significance of genetic diversity in conservation

JA DeWoody, AM Harder, S Mathur… - Molecular …, 2021 - Wiley Online Library
Since allozymes were first used to assess genetic diversity in the 1960s and 1970s,
biologists have attempted to characterize gene pools and conserve the diversity observed in …

Genetic rescue: A critique of the evidence supports maximizing genetic diversity rather than minimizing the introduction of putatively harmful genetic variation

K Ralls, P Sunnucks, RC Lacy, R Frankham - Biological Conservation, 2020 - Elsevier
Genetic rescue–ameliorating inbreeding depression and restoring genetic diversity of inbred
populations through gene flow-is valuable in wildlife conservation. Empirically validated …

Purging of highly deleterious mutations through severe bottlenecks in Alpine ibex

C Grossen, F Guillaume, LF Keller, D Croll - Nature communications, 2020 - nature.com
Human activity has caused dramatic population declines in many wild species. The resulting
bottlenecks have a profound impact on the genetic makeup of a species with unknown …

[HTML][HTML] Bridging the conservation genetics gap by identifying barriers to implementation for conservation practitioners

HR Taylor, N Dussex, Y van Heezik - Global Ecology and Conservation, 2017 - Elsevier
Despite its recognised importance for species' persistence, integrating genetics into
conservation management has proved problematic, creating a “conservation genetics gap” …

Offspring survival changes over generations of captive breeding

KA Farquharson, CJ Hogg, CE Grueber - Nature Communications, 2021 - nature.com
Conservation breeding programs such as zoos play a major role in preventing extinction, but
their sustainability may be impeded by neutral and adaptive population genetic change …

Runs of homozygosity reveal past bottlenecks and contemporary inbreeding across diverging populations of an Island‐colonizing bird

CA Martin, EC Sheppard, JC Illera, A Suh… - Molecular …, 2023 - Wiley Online Library
Genomes retain evidence of the demographic history and evolutionary forces that have
shaped populations and drive speciation. Across island systems, contemporary patterns of …

Genomic signatures of inbreeding depression for a threatened Aotearoa New Zealand passerine

L Duntsch, A Whibley, P de Villemereuil… - Molecular …, 2023 - Wiley Online Library
For small and isolated populations, the increased chance of mating between related
individuals can result in a substantial reduction in individual and population fitness. Despite …

Founder-specific inbreeding depression affects racing performance in Thoroughbred horses

ET Todd, SYW Ho, PC Thomson, RA Ang, BD Velie… - Scientific reports, 2018 - nature.com
The Thoroughbred horse has played an important role in both sporting and economic
aspects of society since the establishment of the breed in the 1700s. The extensive pedigree …