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12 results for “gynogenetic”
Fig. 6 in Morphometric Variation Of Hybridizing Species And Gynogenetic Biotypes Of Spined Loaches (Cobitidae, Cobitis) In River Systems Of Ukraine
Fig. 6. UPGMA clustering of biotypes by Mahalanobis distances calculated for body measurements and indices separately. Rectangles bounds the clusters with more than 90 % AU-support.
Fig 5. 95 in Morphometric Variation Of Hybridizing Species And Gynogenetic Biotypes Of Spined Loaches (Cobitidae, Cobitis) In River Systems Of Ukraine
Fig 5. 95 % confidence ellipses of the biotypes in the morphospace of four between-group principal components calculated for indices. Mean groups of each biotype is marked with black point and designation.
Fig. 3. 95 in Morphometric Variation Of Hybridizing Species And Gynogenetic Biotypes Of Spined Loaches (Cobitidae, Cobitis) In River Systems Of Ukraine
Fig. 3. 95 % confidence interval ellipses of the biotypes in the morphospace of bgPC1 and bgPC2 calculated for log10-transformed absolute traits. Each biotype means are marked with black points and names. The biotypes are explained in table 1.
Fig. 4. 95 in Morphometric Variation Of Hybridizing Species And Gynogenetic Biotypes Of Spined Loaches (Cobitidae, Cobitis) In River Systems Of Ukraine
Fig. 4. 95% confidence interval ellipses of the biotypes in the morphospace of bg PC3 and bgPC4 A calculated for log10 transformed absolute traits. Designations the same as on fig. 3.
Fig. 2 in Morphometric Variation Of Hybridizing Species And Gynogenetic Biotypes Of Spined Loaches (Cobitidae, Cobitis) In River Systems Of Ukraine
Fig. 2. Body measurements for Cobitis. Th e original fish image is from Wilhelm von Wright out of Fries, 1895.
Fig. 1 in Morphometric Variation Of Hybridizing Species And Gynogenetic Biotypes Of Spined Loaches (Cobitidae, Cobitis) In River Systems Of Ukraine
Fig. 1. Collection points of spined loaches in the river systems of Ukraine. Th e decoding of the numbering of samples is given in Material and methods.
Gasterosteus aculeatus gynogenetic reference genome and functional annotations version 1 and raw PacBio and Illumina data
<p class="MsoNormal">Whole genome sequencing enables us to ask fundamental questions about the genetic basis of adaptation, population structure, and epigenetic mechanisms, but usually requires a suitable reference genome for making sense of the sequence data. While the availability of reference genomes has significantly improvement in both taxonomic coverage and overall quality, this poses a challenge for researchers in determining which reference genome best suits their data. Here we compare the use of two different reference genomes for the three-spined stickleback (<em>Gasterosteus aculeatus</em>), one novel genome from a European individual and the published reference genome of a North American individual. Specifically, we investigate the impact of using a local reference versus one generated from a differentiated population on several commonly used metrics in population genomics. Through mapping genome resequencing data of 60 sticklebacks from across Europe and North America, we confirmed genome quality is an important factor in choosing a reference genome. A local reference genome did offer increased mapping efficiency and genotyping accuracy, likely stemming from the higher similarity in genome sequence and synteny. Despite comparable distributions of the metrics generated across the genome using SNP data (i.e., π, Tajima's D, and FST), window-based statistics using different references resulted in different outlier genes and enriched gene functions. In contrast, the marker-based analysis utilising DNA methylation distributions had a considerably higher overlap in outlier genes and functions when using different reference genomes. Overall, our results highlight how using a local reference genome can increase the resolution of genome scans when multiple similar-quality reference genomes are available. Such results have implications in the detection of signatures of selection.</p>
Gasterosteus aculeatus gynogenetic reference genome and functional annotations version 1 and raw PacBio and Illumina data
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Data from: Population genomics reveals a possible history of backcrossing and recombination in the gynogenetic fish Poecilia formosa
Unisexual sperm-dependent vertebrates are of hybrid origins, rare, and predicted to be short-lived as a result of several challenges arising from their mode of reproduction. In particular, because of a lack of recombination, clonal species are predicted to have a low potential to respond to natural selection. However, many unisexual sperm-dependent species persist, and assessing the genetic diversity present in these species is fundamental to understanding how they avoid extinction. We used population genomic methods to assess genotypic variation within the unisexual fish Poecilia formosa. Measures of admixture and population differentiation, as well as clustering analyses, indicate that the genomes of individuals of P. formosa are admixed and intermediate between Poecilia latipinna and Poecilia mexicana, consistent with the hypothesis of their hybrid origins. Bayesian genomic cline analyses indicate that about 12% of sampled loci exhibit patterns consistent with inheritance from only one parent. The estimation of observed heterozygosity clearly suggests that P. formosa is not comprised of direct descendants of a single nonrecombining asexual F1 hybrid individual. Additionally, the estimation of observed heterozygosity provides support for the hypothesis that the history of this unisexual species has included backcrossing with the parent species before the onset of gynogenesis. We also document high levels of variation among asexual individuals, which is attributable to recombination (historical or ongoing) and the accumulation of mutations. The high genetic variation suggests that this unisexual vertebrate has more potential to respond to natural selection than if they were frozen F1 hybrids.
Data from: Population genomics reveals a possible history of backcrossing and recombination in the gynogenetic fish Poecilia formosa
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Trematode DIPLOSTOMUM PSEUDOSPATHACEUM INDUCING DIFFERENTIAL GENE EXPRESSION IN SEXUAL AND GYNOGENETIC GIBEL CARP (Carassius gibelio): PARASITES FACILITATING THE COEXISTENCE OF TWO REPRODUCTIVE FORMS
GEO Series GSE256052. Carassius gibelio. 18 samples. Type: Expression profiling by high throughput sequencing.
Androgenetic, Gynogenetic and Fertilized Mouse Blastocysts
GEO Series GSE8163. Mus musculus. 18 samples. Type: Expression profiling by array.
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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.