Adaptation to the High-Arctic island environment despite long-term reduced genetic variation in Svalbard reindeer

N Dussex, OK Tørresen, T van der Valk, M Le Moullec… - Iscience, 2023 - cell.com
Typically much smaller in number than their mainland counterparts, island populations are
ideal systems to investigate genetic threats to small populations. The Svalbard reindeer …

Genome-wide relaxation of selection and the evolution of the island syndrome in Orkney voles

X Wang, G Heckel - Genome research, 2024 - genome.cshlp.org
Island populations often experience different ecological and demographic conditions than
their counterparts on the continent, resulting in divergent evolutionary forces affecting their …

Inbreeding and cognition in wild populations: a relationship that remains unnoticed

I Gavriilidi, L Van Linden - Oikos, 2024 - Wiley Online Library
Anthropogenic activities are causing a steep decline of wildlife populations. Increased
inbreeding in shrinking populations can substantially curb individual fitness and population …

Genomes of Microtus Rodents Highlight the Importance of Olfactory and Immune Systems in Their Fast Radiation

A Gouy, X Wang, A Kapopoulou… - Genome Biology and …, 2024 - academic.oup.com
The characterization of genes and biological functions underlying functional diversification
and the formation of species is a major goal of evolutionary biology. In this study, we …

The risk of inbreeding versus outbreeding depression in managing an endangered and locally adapted population of a sedentary bird

G Walsh, BJ McMahon, F Thörn… - … Science and Practice, 2024 - Wiley Online Library
A debate in conservation genomics centers on whether to conserve small, fragmented
populations independently or blend them through translocations from larger populations …

Genome-wide support for incipient Tula hantavirus species within a single rodent host lineage

A Labutin, G Heckel - Virus evolution, 2024 - academic.oup.com
Evolutionary divergence of viruses is most commonly driven by co-divergence with their
hosts or through isolation of transmission after host shifts. It remains mostly unknown …

Landscape features influencing gene flow and connectivity of an endangered passerine

D Bustillo‐de la Rosa, A Barrero, J Traba… - Ecology and …, 2024 - Wiley Online Library
Dispersal of individuals and gene flow are crucial aspects to maintain genetic diversity and
viability of populations, especially in the case of threatened species. Landscape composition …

Purging of highly deleterious alleles through an extreme bottleneck

OP Stuart, R Cleave, K Pearce, MJL Magrath… - bioRxiv, 2024 - biorxiv.org
Transitions to captivity often produce population bottlenecks. On one hand, bottlenecks
increase inbreeding and decrease effective population size, thus increasing extinction risk …

Genomic signatures of island colonization in highly diverse primates

I Colmonero-Costeira, K Guschanski, ML Djalo… - bioRxiv, 2024 - biorxiv.org
Understanding how small populations cope with loss of genetic diversity and deleterious
variation is crucial to address the current biodiversity crisis. Insular populations are …

GWAC: A machine learning method to identify functional variants in data-constrained species

AG Sharo - bioRxiv, 2024 - biorxiv.org
As environments change, the ability of species to adapt depends on the functional variation
they harbor. Identifying these functional variants is an important challenge in conservation …