User profiles for Tom van der Valk

Tom van der Valk

Centre for Palaeogenetics, Sweden
Verified email at nrm.se
Cited by 1310

Million-year-old DNA sheds light on the genomic history of mammoths

T Van Der Valk, P Pečnerová, D Díez-del-Molino… - Nature, 2021 - nature.com
Temporal genomic data hold great potential for studying evolutionary processes such as
speciation. However, sampling across speciation events would, in many cases, require …

[PDF][PDF] Historical genomes reveal the genomic consequences of recent population decline in eastern gorillas

T Van Der Valk, D Díez-del-Molino, T Marques-Bonet… - Current Biology, 2019 - cell.com
Many endangered species have experienced severe population declines within the last
centuries [1, 2]. However, despite concerns about negative fitness effects resulting from …

Genomic evidence for inbreeding depression and purging of deleterious genetic variation in Indian tigers

…, A Viswanathan, T van der Valk… - Proceedings of the …, 2021 - National Acad Sciences
Increasing habitat fragmentation leads to wild populations becoming small, isolated, and
threatened by inbreeding depression. However, small populations may be able to purge …

Index hopping on the Illumina HiseqX platform and its consequences for ancient DNA studies

T van der Valk, F Vezzi, M Ormestad… - Molecular ecology …, 2020 - Wiley Online Library
The high‐throughput capacities of the Illumina sequencing platforms and the possibility to
label samples individually have encouraged wide use of sample multiplexing. However, this …

[HTML][HTML] Genomic insights into the conservation status of the world's last remaining Sumatran rhinoceros populations

…, N Dussex, D Díez-del-Molino, T Van Der Valk… - Nature …, 2021 - nature.com
Small populations are often exposed to high inbreeding and mutational load that can increase
the risk of extinction. The Sumatran rhinoceros was widespread in Southeast Asia, but is …

[PDF][PDF] Population genomics of the critically endangered kākāpō

N Dussex, T Van Der Valk, HE Morales, CW Wheat… - Cell Genomics, 2021 - cell.com
The kākāpō is a flightless parrot endemic to New Zealand. Once common in the archipelago,
only 201 individuals remain today, most of them descending from an isolated island …

[PDF][PDF] Ancient and modern genomes unravel the evolutionary history of the rhinoceros family

…, G Meng, C Yang, L Chen, T Van der Valk… - Cell, 2021 - cell.com
Only five species of the once-diverse Rhinocerotidae remain, making the reconstruction of
their evolutionary history a challenge to biologists since Darwin. We sequenced genomes …

[PDF][PDF] Genomics of adaptive evolution in the woolly mammoth

…, MTP Gilbert, AM Lister, PD Heintzman, T van der Valk… - Current Biology, 2023 - cell.com
Ancient genomes provide a tool to investigate the genetic basis of adaptations in extinct
organisms. However, the identification of species-specific fixed genetic variants requires the …

[HTML][HTML] GenErode: a bioinformatics pipeline to investigate genome erosion in endangered and extinct species

VE Kutschera, M Kierczak, T van der Valk, J von Seth… - BMC …, 2022 - Springer
Tom van der Valk … 46.van der Valk T, de Manuel M, Marques-Bonet T, Guschanski K.
Estimates of genetic load in small populations suggest extensive purging of … Tom van der Valk

[HTML][HTML] aMeta: an accurate and memory-efficient ancient metagenomic profiling workflow

…, E Kırdök, M Vicente, T Naidoo, T Van Der Valk… - Genome Biology, 2023 - Springer
Abstract Analysis of microbial data from archaeological samples is a growing field with great
potential for understanding ancient environments, lifestyles, and diseases. However, high …