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15,277 results for “GENETICS”
Fig. 1 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 1. Phylogenetic clustering and geographic location of the studied populations of Mercuria Boeters, 1971 throughout the western Palaearctic region. The tree topology on the left has been modified from Miller et al. (2022) to show the species clades (i.e., coloured clades) of the populations described here. One population (grey dot) represents the distribution of M. maceana (Paladilhe, 1869). Scale bar below topology: expected change per site.
Fig. 15 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 15. Shells and operculum of Mercuria maceana (Paladilhe, 1869) from C'an Tunis, Barcelona, Spain. A–E. Shells. F. Operculum, inner side. G. Operculum, outer side.
Fig. 7 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 7. Male genitalia of Mercuria similis (Draparnaud, 1805). A–E. Penis. F. Penis and head. G–H. Prostate gland. A. La Cañada Stream. B. Font d´Estramar Spring. C. Fonte Dame Spring. D. Pond in La Palme. E. Barranco de las Negras. F. Stream crossing the town of Peralta de la Sal. G. Saltings of Riba de Santiuste, Guadalajara. H. Font d´Estramar Spring.
Fig. 9 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 9. Protoconch and radula of Mercuria tachoensis (Frauenfeld, 1865). A–C. Fonte dos Amores Spring, Coimbra, Portugal. A. Protoconch. B. Details of the protoconch. C. Protoconch microsculpture. D–E. Stream near the beach in Bidart, France.D. Detailed view of the central and lateral teeth. E. Detailed view of the outer marginal teeth. F. Spring at Jardim da Sereia, Coimbra, Portugal.
Fig. 11 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 11. Shells and operculum of Mercuria balearica (Paladilhe, 1869). A–B, G–H. Stream at Sant Joan de Carbonell, Minorca, Spain. C. Colarsega River, near the Port of Mahon (type locality). D. Fuente Árabe Spring, Mojácar, Granada, Spain (unpigmented specimen). E. Venta El Pilar Spring, Málaga, Spain. F. Spring, Alozaina, Cádiz, Spain. G. Operculum, inner side. H. Operculum, outer side.
Fig. 6 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 6. Anatomy of Mercuria similis (Draparnaud, 1805). A–D. Female genitalia. A. Font Dame Spring, Salses-le-Château, Languedoc-Roussillon, France. B–C. Galayo´s Pond, Fuentalbilla, Albacete, Spain. D. Pond in La Palme, Languedoc-Roussillon, France. E–G. Arc River near Les Cabanes, Bouches-du- Rhône, France. E. Ctenidium and osphradium. F. Stomach. G. Perioesophageal ring.
Fig. 3 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 3. Principal components analysis plot for species of Mercuria Boeters, 1971 based on 21 coordinates (9 landmarks and 12 semilandmarks). Each dot on the plot represents the consensus of the shape of each of the sampled populations. Warp grid deformations (TPS) show expansion (in red colour) and contraction (in blue) of the shell shape.
Fig. 16 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 16. Protoconch (A–C) and radula (D–F) of Mercuria maceana (Paladilhe, 1869) from C'an Tunis, Barcelona, Spain. A. Protoconch nucleus. B. Details of the protoconch. C. Protoconch microsculpture. D. Overview of radular teeth rows. E–F. Detailed view of the lateral and inner teeth.
Archived Data - Genetic breaks caused by ancient forest fragmentation: phylogeography of Staudtia kamerunensis (Myristicaceae) reveals distinct clusters in the Congo Basin
<p>List of the 400 genotyped <em>Staudtia kamerunensis</em><em> </em>accessions from Central Africa included in Vanden Abeele & Matvijev et al. 2023 - Tree Genetics & Genomes, and the corresponding alleles for each of the 14 microsatellite markers (0-0 indicates missing alleles)</p>
Fig. 10 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 10. Anatomy of Mercuria tachoensis (Frauenfeld, 1865) from Nascente do Senhor Jordão Spring, Alpedriz, Leiria, Portugal. A. Female genitalia. B. Animal and penis. C. Prostate gland. D. Ctenidium and osphradium. E. Stomach. F. Perioesophageal ring.
Fig. 5 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 5. Shell and radula of Mercuria similis (Draparnaud, 1805) from Étang de Berre, Bouches-du- Rhône, France. A. Apical view of the shell. B. Details of the protoconch. C. Protoconch microsculpture. D. General view of the radular ribbon. E. Central, lateral, inner marginal and outer marginal teeth. F. Detailed view of the inner marginal teeth.
Fig. 2. Shell morphometric variables. A in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 2. Shell morphometric variables. A. Image of a specimen of Mercuria similis (Draparnaud, 1805) indicating the landmarks (red) and semilandmarks (blue) used for the geometric morphometric analysis (PCA). B–C. Drawings of shells of Mercuria Boeters, 1971, showing the linear measurements made on the shell and protoconch.
Fig. 14 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 14. Variation of the bursa copulatrix of Mercuria balearica (Paladilhe, 1869). A. Elongate, stream at Sant Joan de Carbonell, Minorca, Spain. B. Pyriform, Venta El Pilar Spring, Málaga, Spain. C–D. Pyriform, Fuente Valentín Spring, Alozaina, Cádiz, Spain. E–G. Detailed views of the seminal receptacle (Sr) and renal oviduct loops.
Parent-reported child appetite moderates relationships between child genetic obesity risk and parental feeding practices
<p>Data used in the manuscript "Parent-reported child appetite moderates relationships between child genetic obesity risk and parental feeding practices" by Jansen E., Naymik M., Thapaliya G., Huentelman M., Beauchemin J., D'Sa V., Lewis C.R., Deoni S., RESONANCE consortium, & Carnell S.</p>
Revisiting the historical scenario of a disease dissemination using genetic data and Approximate Bayesian Computation methodology: the case of Pseudocercospora fijiensis invasion in Africa
<p class="MsoNormal"><span>The reconstruction of geographic and demographic scenarios of dissemination for invasive pathogens of crops is a key step towards improving the management of emerging infectious diseases. Nowadays, the reconstruction of biological invasions typically uses the information of both genetic and historical information to test for different hypotheses of colonization. The Approximate Bayesian Computation framework and its recent Random Forest development (ABC-RF) have been successfully used in evolutionary biology to decipher multiple histories of biological invasions. Yet, for some organisms, typically plant pathogens, historical data may not be reliable notably because of the difficulty to identify the organism and the delay between the introduction and the first mention. We investigated the history of the invasion of Africa by the fungal pathogen of banana, <em>Pseudocercospora fijiensis</em>, by testing the historical hypothesis against other plausible hypotheses. We analysed the genetic structure of eight populations from six eastern and western African countries, using 20 microsatellite markers, and tested competing scenarios of population foundation using the ABC-RF methodology. We do find evidence for an invasion front consistent with the historical hypothesis, but also for the existence of another front never mentioned in historical records. We question the historical introduction point of the disease on the continent. Crucially, our results illustrate that even if ABC-RF inferences may sometimes fail to infer a single, well-supported scenario of invasion, they can be helpful in rejecting unlikely scenarios, which can prove much useful to shed light on disease dissemination routes.</span></p>
Data for: Genetic control of grain amino acid composition in a UK soft wheat mapping population
<p>Wheat is a major source of nutrients for populations across the globe, but the amino acid composition of wheat grain does not provide optimal nutrition. The nutritional value of wheat grain is limited by low concentrations of lysine (the most limiting essential amino acid) and high concentrations of free asparagine (precursor to the processing contaminant acrylamide). There are currently few available solutions for asparagine reduction and lysine biofortification through breeding. In this study, we investigated the genetic architecture controlling grain-free amino acid composition and its relationship to other traits in a Robigus × Claire doubled haploid population. Multivariate analysis of amino acids and other traits showed that the two groups are largely independent of one another, with the largest effect on amino acids being from the environment. Linkage analysis of the population allowed the identification of QTL controlling free amino acids and other traits, and this was compared against genomic prediction methods. Following the identification of a QTL controlling free lysine content, wheat pangenome resources facilitated analysis of candidate genes in this region of the genome. These findings can be used to select appropriate strategies for lysine biofortification and free asparagine reduction in wheat breeding programmes.</p>
Fig. 2 in Genetic diversity of Maghrebian Hottentotta (Scorpiones: Buthidae) scorpions based on CO1: new insights on the genus phylogeny and distribution
Fig. 2. Phylogram showing phylogenetic relationships estimated using Bayesian Inference as described in the text. Numbers at branches are Bayesian posterior probabilities and ML bootstrap percentages respectively. The tree was rooted with Scorpio fuliginosus (not shown). Codes refer to Table 1.
Fig. 1 in Genetic diversity of Maghrebian Hottentotta (Scorpiones: Buthidae) scorpions based on CO1: new insights on the genus phylogeny and distribution
Fig. 1. Map showing the sampling locations of Hottentotta from Morocco included in this study. The estimated distribution of both Hottentotta species proposed by Vachon (1952) is indicated. The clades resolved in Fig. 2 are noted. Specimen codes follow Table 1.
Sexual recombination and temporal gene flow maintain host resistance and genetic diversity
<p>Infectious disease can threaten host populations. Hosts can rapidly evolve resistance during epidemics, with this evolution often modulated by fitness trade-offs (e.g., between resistance and fecundity). However, many organisms switch between asexual and sexual reproduction, and this shift in reproductive strategy can also alter how resistance in host populations persists through time. Recombination can shuffle alleles selected for during an asexual phase, uncoupling the combinations of alleles that facilitated resistance to parasites and altering the distribution of resistance phenotypes in populations. Furthermore, in host species that produce diapausing propagules (e.g., seeds, spores, or resting eggs) after sex, accumulation of propagules into and gene flow out of a germ bank introduce allele combinations from past populations. Thus, recombination and gene flow might shift populations away from the trait distribution reached after selection by parasites. To understand how recombination and gene flow alter host population resistance, we tracked the genotypic diversity and resistance distributions of two wild populations of cyclical parthenogens. In one population, resistance and genetic diversity increased after recombination whereas, in the other, recombination did not shift already high resistance and genetic diversity. In both lakes, resistance remained high after temporal gene flow. This observation surprised us: due to costs to resistance imposed by a fecundity-resistance trade-off, we expected that high population resistance would be a transient state that would be eroded through time by recombination and gene flow. Instead, low resistance was the transient state, while recombination and gene flow re-established or maintained high resistance to this virulent parasite. We propose this outcome may have been driven by the joint influence of fitness trade-offs, genetic slippage after recombination, and temporal gene flow via the egg bank.</p>
Figure 5 in Expanding Population Edge Craniometrics and Genetics Provide Insights into Dispersal of Commensal Rats through Nusa Tenggara, Indonesia
Figure 5. Genetic clustering based on allele frequencies of 12 microsatellite loci genotyped for Rattus rattus Complex samples from MSEA and extralimital distribution in Indonesia (IDN). (A) PCoA, (B) STRUCTURE barplot.
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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.