Topic · Genetics · Biochemistry, Genetics and Molecular Biology
Genetic diversity and population structure
OpenAlex topic; a paper is listed when OpenAlex scores it at least 0.5 for this topic.
668 papers
- Plant BiologybioRxivPreprint
THE GEOGRAPHIC STRUCTRUE OF CHLOROPLAST CAPTURE IN A HYBRID ZONE
Nicholas J. Engle‐Wrye, Ryan A. Folk
The paper examines chloroplast capture in Heuchera hybrids, finding multiple independent events rather than a single ancestral one, and links Pleistocene climate dynamics to hybridization patterns.
DOI 10.64898/2026.02.27.708378 - Evolutionary BiologybioRxivPreprint
Model selection in ADMIXTURE can be inconsistent: proof of the K=2 phenomenon
This paper shows that the DeltaK method for selecting K in ADMIXTURE can be inconsistent, often favoring K=2 even when more substructure exists.
DOI 10.64898/2026.02.27.708651 - GenomicsbioRxivPreprint
Genomics of speciation in a great speciator (Aves: Zosterops) reveals the roles of both natural and sexual selection
Maëva Gabrielli, Thibault Leroy, Camille Roux…·Benoît Nabholz
The paper identifies barrier loci in Zosterops species by analyzing genomic differentiation across divergence stages, showing Z chromosome involvement and roles of natural and sexual selection in reproductive isolation.
DOI 10.64898/2026.02.25.707877 - Evolutionary BiologybioRxivPreprint
The not-so-great speciator: Systematics and species limits in a rapid radiation, the Asiatic white-eye complex (Zosterops spp.)
Herman L. Mays, Bailey D. McKay, Isao Nishiumi…·Robert G. Moyle
The paper investigates the systematics and species limits of the Asiatic white-eye complex using genomic and morphological data, finding nested species and paraphyletic groups within the clade.
DOI 10.64898/2026.02.25.708059 - Evolutionary BiologybioRxivPreprint
The biogeography of the stripped Venus clam, Chamelea gallina, in the Mediterranean Sea indicates limited gene flow and shows evidence of local adaptation.
Laura Benestan, Marc Baeta, Carlos Saavedra…·Ciro Rico
This study uses genome-wide SNPs to show that Chamelea gallina has limited gene flow and local adaptation in the Mediterranean Sea, despite neutral genetic connectivity.
DOI 10.64898/2026.02.08.704711 - Evolutionary BiologybioRxivPreprint
Geoclimatic oscillations and ancient reciprocal adaptive introgression shape the evolutionary trajectories of threatened Coilia
Zhenqiang Fu, Hao Wang, Yidong Feng…·Jianguo Lü
This study reconstructs the evolutionary history of Coilia species, revealing ancient reciprocal introgression and its role in adaptation to geoclimatic changes.
DOI 10.64898/2026.02.19.706424 - Evolutionary BiologybioRxivPreprint
Population specific bottlenecks inflated differentiation measures of Louisiana black bear and negate subspecific status
Emily E. Puckett, Heather R. Clendenin
The paper evaluates genetic differentiation in Louisiana black bears, showing that historical bottlenecks and phylogeography, not local adaptation, drive genomic variation, and does not support subspecies status.
DOI 10.64898/2026.02.18.706691 - GeneticsbioRxivPreprint
The impact of serial translocations on the genetic diversity of Anegada iguanas (Cyclura pinguis) in the British Virgin Islands
Giuliano Colosimo, Zachary A. Dykema, Mark E. Welch…·Glenn P. Gerber
This study examines the genetic diversity of Anegada iguanas after serial translocations, finding reduced genetic diversity despite demographic success.
DOI 10.64898/2026.02.18.705091 - GenomicsbioRxivPreprint
Whole genomes reveal how Andean climate history shapes genetic diversity and modern conservation risk in South American pumas
Daniel E Chavez, Chiara Correa-Zanotti, Carolina Sáenz…·Rebecca Zug
The paper uses whole-genome data from South American pumas to show how historical climate changes shaped genetic diversity and conservation risks, suggesting strategies to restore connectivity and reduce inbreeding.
DOI 10.64898/2026.02.19.706801 - GenomicsbioRxivPreprint
Genomic insights into rapid diversification and adaptive introgression in the earthworm Amynthas aspergillum
Yangmei Qin, Zeng Peng, Yongsheng Mo…·Lixin Peng
This study investigates genomic patterns of diversification and introgression in the earthworm Amynthas aspergillum, revealing rapid diversification and adaptive introgression despite genetic isolation.
DOI 10.64898/2026.02.13.704776 - Evolutionary BiologybioRxivPreprint
Ecological genomics of preference for human hosts in the native range of the dengue mosquito
James E. Fifer, Massamba Sylla, Wendegoudi Mathias Ouédraogo…·Noah H. Rose
The paper develops a predictive model for human specialist behavior in Aedes aegypti by integrating population genomics and ecological factors.
- GeneticsbioRxivPreprint
Linking Ancient Refugia to Modern Diversity: Evidence of Multi-origin Postglacial Expansion of Sockeye Salmon on the Asian Range
Anastasia M. Khrustaleva, Е. В. Пономарева
The paper examines mtDNA diversity in sockeye salmon populations to trace biogeographical history, finding evidence of multi-origin postglacial expansions and refugia in Asia.
DOI 10.64898/2026.02.11.705351 - GeneticsbioRxivPreprint
Estimation of effective size of large continuously distributed populations
Armando Caballero, Santiago C. González‐Martínez, Enrique Santiago
The paper estimates the effective population size (Ne) of a large, structured population using linkage disequilibrium, finding much higher Ne values than previously reported for maritime pine.
DOI 10.64898/2026.02.09.704747 - ZoologybioRxivPreprint
Spatiotemporal variation in habitat suitability predicts genomic diversity and structure in a Western Ghats endemic Tarantula (Thrigmopoeus truculentus)
Aritra Biswas, Praveen K Karanth
The paper uses genomic and ecological data to show that historical climate dynamics, not physical barriers, drive genetic diversity and structure in a tarantula species.
DOI 10.64898/2026.02.06.704511 - Evolutionary BiologybioRxivPreprint
Asymmetric gene flow across a desert contact zone in a riparian songbird
Ethan F. Gyllenhaal, Andrew B. Johnson, Lukas B. Klicka…·Michael J. Andersen
The paper examines gene flow patterns in Bells Vireo across a desert contact zone, finding neutral admixture driven by dispersal corridors rather than local adaptation.
DOI 10.64898/2026.02.04.703846 - Evolutionary BiologybioRxivPreprint
Non-invasive genomic sampling uncovers novel connectivities and origins of confiscated gorillas
Irune Ruiz‐Gartzia, Harvinder Pawar, Marina Álvarez-Estapé…·Tomàs Marquès‐Bonet
This study uses non-invasive genomic sampling to analyze genetic diversity in wild gorillas, revealing population clusters and migration patterns, and predicts geographic origins with high accuracy.
DOI 10.64898/2026.02.03.701083 - Evolutionary BiologybioRxivPreprint
Genetic differentiation between two locations along an ocean/river gradient captures the signature of intragenerational selection in the European eel (Anguilla anguilla)
Stellia Sebihi, Aurélie Manicki, Christophe Klopp…·Sylvie Oddou‐Muratorio
The paper identifies genetic markers associated with migration behavior in European eels by comparing genetic differentiation between ocean and river sites, and between migrant and non-migrant phenotypes.
DOI 10.64898/2026.02.01.703082 - GenomicsbioRxivPreprint
Establishing a baseline for standardised genetic monitoring of Atlantic cod (Gadus morhua) in Sweden
Simon Henriksson, Carl Aandré, Ricardo Tomás Pereyra…·Kerstin Johannesson
The paper establishes a genetic baseline for Atlantic cod in Sweden using a SNP panel to monitor population structure and genetic diversity.
- Evolutionary BiologybioRxivPreprint
Polygenic and redundant architectures of climate-adaptive traits may complicate genomic predictions of maladaptation
Rafael Candido‐Ribeiro, Brandon M. Lind, Pooja Singh…·Sally N. Aitken
The paper investigates the genetic architecture of climate-adaptive traits in Douglas-fir, finding polygenic and redundant patterns that complicate genomic predictions of maladaptation to future climates.
DOI 10.64898/2026.02.02.703187 - Animal Behavior & CognitionbioRxivPreprint
Endemic koloa maoli (Hawaiian Duck, Anas wyvilliana) shows preferential social associations, but not based on plumage or genetic relatedness
P Keerthipriya, Christopher P. Malachowski, Bruce D. Dugger…·Caitlin P. Wells
This study examines social associations and spatial genetic structure in koloa maoli, finding no preference for mallard-like plumage or genetic relatedness in social bonds, and no spatial genetic structuring within refuges.
DOI 10.64898/2026.01.29.702521 - Evolutionary BiologybioRxivPreprint
Pleistocene climatic oscillations impact the diversification of deer mice (Peromyscus maniculatus) and the independent evolution of ecotypes
Robert A. Boria, T. Brock Wooldridge, Andreas F. Kautt…·Hopi E. Hoekstra
This study shows Pleistocene climate changes drove the diversification of deer mice and the independent evolution of arboreal ecotypes in forests.
- Evolutionary BiologybioRxivPreprint
A Statistical Framework to Infer the Mutation Model of Tandem Repeat Variants
Luis G Fernandez Luna, Sebastián Iturbe, Carolina de Lima Adam…·Rori V. Rohlfs
This paper introduces TRAMA, a method to estimate mutation models for tandem repeats using ancestral recombination graphs, showing accurate parameter estimation under SMM and TPM.
DOI 10.64898/2026.01.21.700917 - Molecular BiologybioRxivPreprint
Population structure and genetic diversity of smooth newts (Lissotriton vulgaris) in North Tyrol, Austria: influences of allochthonous individuals and conservation implications
Katharina T. Stonig, Marlene Haider, Florian Glaser…·Birgit Christiane Schlick-Steiner
This study analyzes genetic diversity and population structure of smooth newts in Austria, identifying distinct clusters and impacts of introduced individuals on conservation genetics.
DOI 10.64898/2026.01.23.701301 - GenomicsbioRxivPreprint
Resampling-based validation of a SNP panel for hybrid detection across generations: a case study in European lobster
Erik Sandertun Røed, Charlie D. Ellis, Jamie R. Stevens…·Marie Saitou
The paper evaluates a SNP panel's ability to detect hybridization across generations in European lobsters using resampling-based methods and empirical data.
DOI 10.64898/2026.01.20.700654 - Evolutionary BiologybioRxivPreprint
Phylogenomics and biogeography of the parrot genus Pyrrhura with implications for systematics and conservation
Jaime G. Morin-Lagos, Taylor Hains, José Cerca…·Michael D. Martin
This study uses whole-genome and mitogenome data from Pyrrhura parrots to reconstruct phylogenies, revealing mito-nuclear discordance, captive lineages, and historical colonization events.
DOI 10.64898/2026.01.21.700815 - Plant BiologybioRxivPreprint
Evolutionary genomics of local adaptation, climate vulnerability, and linarin metabolism in Opisthopappus longilobus
Ruyue Jing, Jiangshuo Su, Aiping Song…·Fadi Chen
This study presents the first chromosome-scale genome of Opisthopappus longilobus, identifies adaptive genes linked to climate stress, and links genetic divergence to metabolic differences between species.
DOI 10.64898/2026.01.20.700049 - Evolutionary BiologybioRxivPreprint
Genome-wide divergence in a desert plant in the Baja California Peninsula driven by glacial cycles and adaptation to different climatic conditions
Victor Andreev, Raúl Araya‐Donoso, Sarah M Baty…·Adrián Munguía‐Vega
This study uses whole-genome sequencing and ecological modeling to show that glacial cycles and climate adaptation drive genetic differentiation in the desert plant Encelia farinosa.
- Evolutionary BiologybioRxivPreprint
Linkage disequilibrium scaling improves robustness and power to detect genomic regions under selection.
Petri Kemppainen, Frédéric Guillaume
This paper introduces an LD-scaled association statistic to improve detection of genomic regions under selection by incorporating linkage disequilibrium and reducing background noise.
DOI 10.64898/2026.01.19.700334 - EcologybioRxivPreprint
Salinity exposure in early-life drives genomic adaptation to climate change in Antarctic toothfish (Dissostichus mawsoni)
Jilda Alicia Caccavo, Enrique Celemín, Pierre de Villemereuil, Marion Gehlen
This study shows early-life salinity exposure drives genomic adaptation in Antarctic toothfish, with salinity-linked genes involved in osmoregulation.
DOI 10.64898/2026.01.18.700237