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2,445 results for “Genetics: population”
Supplementary material 3 from: Gloria-Soria A, Shragai T, Ciota AT, Duval TB, Alto BW, Martins AJ, Westby KM, Medley KA, Unlu I, Campbell SR, Kawalkowski M, Tsuda Y, Higa Y, Indelicato N, Leisnham PT, Caccone A, Armstrong PM (2022) Population genetics of an invasive mosquito vector, Aedes albopictus in the Northeastern USA. NeoBiota 78: 99-127. https://doi.org/10.3897/neobiota.78.84986
Microsatellite bins used to call alleles in Geneious v. 11.1.5 (Biomatters LTD)
Supplementary material 7 from: Gloria-Soria A, Shragai T, Ciota AT, Duval TB, Alto BW, Martins AJ, Westby KM, Medley KA, Unlu I, Campbell SR, Kawalkowski M, Tsuda Y, Higa Y, Indelicato N, Leisnham PT, Caccone A, Armstrong PM (2022) Population genetics of an invasive mosquito vector, Aedes albopictus in the Northeastern USA. NeoBiota 78: 99-127. https://doi.org/10.3897/neobiota.78.84986
Isolation by distance analyses (IBD)
Supplementary material 6 from: Gloria-Soria A, Shragai T, Ciota AT, Duval TB, Alto BW, Martins AJ, Westby KM, Medley KA, Unlu I, Campbell SR, Kawalkowski M, Tsuda Y, Higa Y, Indelicato N, Leisnham PT, Caccone A, Armstrong PM (2022) Population genetics of an invasive mosquito vector, Aedes albopictus in the Northeastern USA. NeoBiota 78: 99-127. https://doi.org/10.3897/neobiota.78.84986
Kinship analysis
Supplementary material 1 from: Gloria-Soria A, Shragai T, Ciota AT, Duval TB, Alto BW, Martins AJ, Westby KM, Medley KA, Unlu I, Campbell SR, Kawalkowski M, Tsuda Y, Higa Y, Indelicato N, Leisnham PT, Caccone A, Armstrong PM (2022) Population genetics of an invasive mosquito vector, Aedes albopictus in the Northeastern USA. NeoBiota 78: 99-127. https://doi.org/10.3897/neobiota.78.84986
Detailed collection information
Supplementary material 9 from: Gloria-Soria A, Shragai T, Ciota AT, Duval TB, Alto BW, Martins AJ, Westby KM, Medley KA, Unlu I, Campbell SR, Kawalkowski M, Tsuda Y, Higa Y, Indelicato N, Leisnham PT, Caccone A, Armstrong PM (2022) Population genetics of an invasive mosquito vector, Aedes albopictus in the Northeastern USA. NeoBiota 78: 99-127. https://doi.org/10.3897/neobiota.78.84986
Latitude of each northeastern USA Aedes albopictus location
Supplementary material 2 from: Gloria-Soria A, Shragai T, Ciota AT, Duval TB, Alto BW, Martins AJ, Westby KM, Medley KA, Unlu I, Campbell SR, Kawalkowski M, Tsuda Y, Higa Y, Indelicato N, Leisnham PT, Caccone A, Armstrong PM (2022) Population genetics of an invasive mosquito vector, Aedes albopictus in the Northeastern USA. NeoBiota 78: 99-127. https://doi.org/10.3897/neobiota.78.84986
Aedes albopictus microsatellite primers used in this study
Supplementary material 4 from: Gloria-Soria A, Shragai T, Ciota AT, Duval TB, Alto BW, Martins AJ, Westby KM, Medley KA, Unlu I, Campbell SR, Kawalkowski M, Tsuda Y, Higa Y, Indelicato N, Leisnham PT, Caccone A, Armstrong PM (2022) Population genetics of an invasive mosquito vector, Aedes albopictus in the Northeastern USA. NeoBiota 78: 99-127. https://doi.org/10.3897/neobiota.78.84986
Allele numbers and allelic richness at 15 microsatellite loci used in this study
Population genetics of Apostichopus californicus along the Northeastern Pacific Coast
<p>A growing body of evidence suggests that spatial population structure can develop in marine species despite large population sizes and high gene flow. Characterizing population structure is important for the effective management of exploited species, as it can be used to identify appropriate scales of management in fishery and aquaculture contexts. The California sea cucumber, <em>Apostichopus</em> <em>californicus</em>, is one such exploited species whose management could benefit from further characterization of population structure. Using restriction site-associated DNA (RAD) sequencing, we developed 2,075 single nucleotide polymorphisms (SNPs) to quantify genetic structure over a broad section of the species' range along the North American west coast and within the Salish Sea, a region supporting the Washington State <em>A</em>. <em>californicus</em> fishery and developing aquaculture production of the species. We found evidence for population structure (global fixation index (FST) = 0.0068) with limited dispersal driving two patterns of differentiation: isolation-by-distance and a latitudinal gradient of differentiation. Notably, we found detectable population differences among collection sites within the Salish Sea (pairwise FST = 0.001–0.006). Using FST outlier detection and gene-environment association, we identified 10.2% of total SNPs as putatively adaptive. Environmental variables (e.g., temperature, salinity) from the sea surface were more correlated with genetic variation than those same variables measured near the benthos, suggesting that selection on pelagic larvae may drive adaptive differentiation to a greater degree than selection on adults. Our results were consistent with previous estimates of, and patterns in, population structure for this species in other extents of the range. Additionally, we found that patterns of neutral and adaptive differentiation co-varied, suggesting that adaptive barriers may limit dispersal. Our study provides guidance to decision-makers regarding the designation of management units for <em>A</em>. <em>californicus</em> and adds to the growing body of literature identifying genetic population differentiation in marine species despite large, nominally connected populations.</p>
Supplementary material 1 from: Abram PK, Nelson TD, Marshall V, Gariepy TD, Haye T, Zhang J, Hueppelsheuser T, Acheampong S, Moffat CE (2023) Genetic relationships among laboratory lines of the egg parasitoid Trissolcus japonicus from native and adventive populations. NeoBiota 82: 145-161. https://doi.org/10.3897/neobiota.82.97881
Supplementary information
Sheepnose mussel (P. cyphyus) microsatellite dataset for population genetic analysis
<p class="Body">North American freshwater mussel species have experienced substantial range fragmentation and population reductions. These impacts have the potential to reduce genetic connectivity among populations and increase the risk of losing genetic diversity. Thirteen microsatellite loci and an 883 bp fragment of the mitochondrial ND1 gene were used to assess genetic diversity, population structure, contemporary migration rates, and population size changes across the range of the Sheepnose mussel (<em>Plethobasus cyphyus</em>). Population structure analyses reveal five populations, three in the Upper Mississippi River Basin and two in the Ohio River Basin. Sampling locations exhibit a high degree of genetic diversity and contemporary migration estimates indicate that migration between populations within river basins is occurring, although at low rates. but no migration is occurring between the Ohio and Mississippi river basins. No evidence of bottlenecks was detected, and almost all locations exhibited the signature of population expansion. Our results indicate that although anthropogenic activity has altered the landscape across the range of the Sheepnose, these activities have yet to be reflected in losses of genetic diversity. Efforts to conserve Sheepnose populations should focus on maintaining existing habitats and fostering genetic connectivity between extant demes to conserve remaining genetic diversity for future viable Sheepnose populations.</p>
Pieces in a global puzzle: Population genetics at two whale shark aggregations in the western Indian Ocean
<p>The whale shark Rhincodon typus is found throughout the world's tropical and warm-temperate ocean basins. Despite their broad physical distribution, research on the species has been concentrated at a few aggregation sites. Comparing DNA sequences from sharks at different sites can provide a demographically neutral understanding of the whale shark's global ecology. Here, we created genetic profiles for 84 whale sharks from the Saudi Arabian Red Sea and 72 individuals from the coast of Tanzania using a combination of microsatellite and mitochondrial sequences. These two sites, separated by approximately 4500 km (shortest over-water distance), exhibit markedly different population demographics and behavioral ecologies. Eleven microsatellite DNA markers revealed that the two aggregation sites have similar levels of allelic richness and appear to be derived from the same source population. We sequenced the mitochondrial control region to produce multiple global haplotype networks (based on different alignment methodologies) that were broadly similar to each other in terms of population structure but suggested different demographic histories. Data from both microsatellite and mitochondrial markers demonstrated the stability of genetic diversity within the Saudi Arabian aggregation site throughout the sampling period. These results contrast previously measured declines in diversity at Ningaloo Reef, Western Australia. Mapping the geographic distribution of whale shark lineages provides insight into the species' connectivity and can be used to direct management efforts at both local and global scales. Similarly, understanding historical fluctuations in whale shark abundance provides a baseline by which to assess current trends. Continued development of new sequencing methods and the incorporation of genomic data could lead to considerable advances in the scientific understanding of whale shark population ecology and corresponding improvements to conservation policy.</p>
Population genetic structure associated with a landscape barrier in the Western Grasswren (Amytornis textilis textilis)
<p class="MsoNormal">Dispersal patterns can dictate genetic population structure, and ultimately population resilience, through maintaining gene flow and genetic diversity. However, geographic landforms, such as peninsulas, can impact dispersal patterns and thus be a barrier to gene flow. Here, we use 13,375 genome-wide single-nucleotide polymorphisms (SNPs) to evaluate genetic population structure and infer dispersal patterns of the Western Grasswren (<em>Amytornis textilis textilis</em>; WGW,<em> n </em>= 140)<em> </em>in the Shark Bay region of Western Australia. We found high levels of genetic divergence between subpopulations on the mainland (Hamelin) and narrow peninsula (Peron). In addition, we found evidence of further genetic sub-structuring within the Hamelin subpopulation, with individuals collected from the western and eastern regions of a conservation reserve forming separate genetic clusters. Spatial autocorrelation analysis within each subpopulation revealed significant local-scale genetic structure up to 35 km at Hamelin and 20 km at Peron. In addition, there was evidence of male philopatry in both subpopulations. Our results suggest a narrow strip of land may be acting as a geographic barrier in the WGW, limiting dispersal between a peninsula and mainland subpopulation. In addition, heterogeneous habitat within Hamelin may be restricting dispersal at the local scale. Furthermore, there is evidence to suggest that the limited gene flow is asymmetrical, with directional dispersal occurring from the bounded peninsula subpopulation to the mainland. This study highlights the genetic structure existing within and between some of the few remaining WGW subpopulations, and shows a need for placing equal importance on conservation efforts to maintain them in the future.</p>
Supplementary material 1 from: Mohamadzade Namin S, Huang J, An J, Jung C (2023) Genetic variation and phylogenetic relationships of commercial populations of Bombus ignitus (Hymenoptera, Apidae) with wild populations in Eastern Asia. Journal of Hymenoptera Research 96: 495-506. https://doi.org/10.3897/jhr.96.102569
Information for COI sequences of Bombus ignitus from this study and NCBI-Genbank database
Contribution of genetic variants to the susceptibility of infection by Severe Acute Respiratory Syndrome to CoV-2 in a population of individuals residing in Ecuador
<p>The file presents, in the table, the genotype and alleles obtained from each subject participating in the laboratory phase that are discriminated by groups (control and case groups).<br> The allelic frequencies calculated in the Microsoft Excel program are also presented.</p>
Supplementary material 1 from: Saldarriaga-Gómez AM, Ardila-Robayo MC, Medem F, Vargas-Ramírez M (2023) Hope is the last thing lost: Colombian captive-bred population of the critically endangered Orinoco crocodile (Crocodylus intermedius) is a genetic reservoir that could help to save the species from extinction. Nature Conservation 53: 85-103. https://doi.org/10.3897/natureconservation.53.104000
Supplementary information
figure 5 in Spatial genetic structure in the Eurasian otter (Lutra lutra) meta-population from its core range in Italy
figure 5 Cumulative current map, based on all possible pairs of sampling locations, representing the amount of current flowing through each pixel. Higher current flow represents higher connectivity, and vice versa.
figure 2 in Spatial genetic structure in the Eurasian otter (Lutra lutra) meta-population from its core range in Italy
figure 2 Definition of the six main river basins by drawing a buffer area of 1 km around all waterways connected to the main rivers: in green, the Cilento basin; in pink, the Agri basin; in blue, the Sinni basin; in red, the Lao basin; in orange, the Basento basin; in violet, the Abatemarco basin. Red spots indicate the location of the collected samples. The bold blue lines highlight the main rivers, while the tiny blue lines show all other waterways.
Genetics of Obesity, Diabetes, and Heart Disease in African Diaspora Populations
ClinicalTrials.gov study NCT01316783. IPD Sharing: YES. Countries: 1. Publications: 0.
Relationship Between Genetic Polymorphism and Postoperative Nausea and Vomiting in Chinese Han Population
ClinicalTrials.gov study NCT03705026. IPD Sharing: Not stated. Countries: 0. Publications: 1.
Genetic Counseling Service Delivery and Outcomes in Diverse and Underserved Populations
ClinicalTrials.gov study NCT06212310. IPD Sharing: NO. Countries: 1. Publications: 0.
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.