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15,277 results for “GENETICS”
Temporal population structure, a genetic dating method for ancient Eurasian genomes from the past 10,000 years
<p>Radiocarbon dating is the gold standard in archeology to estimate the age of skeletons, a key to studying their origins. Many published ancient genomes lack reliable and direct dates, which results in obscure and contradictory reports. Here, we developed the Temporal Population Structure (TPS), the first DNA-based dating method for ancient genomes ranging from the Late Mesolithic to modern-days, and applied it to 3,591 ancient and 1,307 modern Eurasians. We show that TPS predictions align with their known dates and correctly account for kin relationships. TPS dating of poorly dated Eurasian samples resolved conflicting reports in the literature, as illustrated by one test case. We demonstrated how TPS improved the ability to study phenotypic traits over time.</p>
Code and initial metapopulation data for model construction and simulation analyses for: Genetic rescue from protected areas is modulated by migration, hunting rate and timing of harvest
<p>Migrants from protected areas may buffer the risk of harvest-induced evolutionary changes in exploited populations that face strong selective harvest pressures in both terrestrial and marine ecosystems. Understanding the mechanisms favouring genetic rescue through migration could help ensure sustainable harvest outside protected areas and conserve genetic diversity inside those areas. We developed a stochastic individual-based metapopulation model to evaluate the potential for migration from protected areas to mitigate the evolutionary consequences of selective harvest. We parameterized the model with detailed data from individual monitoring of two populations of bighorn sheep subjected to trophy hunting. We tracked horn length through time in a metapopulation including large protected and trophy-hunted populations connected through male breeding migrations. We quantified and compared declines in horn length and rescue potential under various combinations of migration rate, hunting rate in hunted areas and temporal overlap in timing of harvest and migrations, which affects the migrants' survival and chances to breed within exploited areas. Our simulations suggest that the effects of size-selective harvest on male horn length in hunted populations can be dampened or avoided if harvest pressure is low, migration rate is substantial, and migrants have a low risk of being shot. Intense size-selective harvest impacts the phenotypic and genetic diversity in horn length, and population structure through changes in proportions of large-horned males, sex ratio and age structure. When hunting pressure is high and overlaps with male migrations, effects of selective removal also emerge in the protected population, so that instead of a genetic rescue of hunted populations, our model predicts undesirable effects inside protected areas. Our results stress the importance of a metapopulational approach to management, to promote genetic rescue from protected areas and limit ecological and evolutionary impacts of harvest on both harvested and protected populations.</p>
Fig. 32 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 32. Comparison among original descriptions of Mercuria emiliana (Paladilhe, 1869), M. balearica (Frauenfeld, 1865), M. maceana (Paladilhe, 1869) and Amnicola lanceolata Paladilhe, 1869 taken from Paladilhe (1869). Red lines remark the colour of the shells and operculum according to the author's criterion.
Fig. 30 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 30. Radula of the Mercuria veronicae Miller, Khalloufi & Delicado sp. nov. from El Waha Spring, Tozeur. A. General view of the radular ribbon. B. Overview of radular teeth rows. C. Detailed view of the central teeth. D. Detailed view of the outer marginal teeth.
Fig. 28 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 28. Anatomy of Mercuria lupiaensis Miller & Delicado sp. nov. from Giammateo Creek, Frigole, Lecce. A–B. Female genitalia indicating the seminal receptacle (Sr). C–D. Penis. E. Head of a male. F. Prostate gland. G. Ctenidium and osphradium. H. Stomach. I. Head with perioesophageal ring attached.
Fig. 31 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 31. Anatomy of the Mercuria veronicae Miller, Khalloufi & Delicado sp. nov. from Spring El Waha, Tozeur, Tunisia. A. Head. B. Ctenidium and osphradium. C. Stomach. D. Head of a male. E. Penis. F. Prostate gland. G. Head with perioesophageal ring attached. H. Perioesophageal ring.
Fig. 25 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 25. Anatomy of Mercuria felixi Miller, García-Guerrero & Ramos sp. nov. from the stream in Canuto de la Tala, Cádiz, Spain. A–B. Female genitalia. C. Prostate gland. D. Penis. E. Animal and penis. F. Ctenidium and osphradium. G. Stomach. H. Perioesophageal ring.
Fig. 26 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 26. Shells and operculum of Mercuria lupiaensis Miller & Delicado sp. nov. A–B. Holotype (MNCN 15.05/200123H), frontal and lateral views. C–D. Paratypes (MNCN 15.05/200123P). C–D, G–H. Specimens from Giammateo Creek, Frigole, Lecce. E. Specimen from the spring in Torre Castiglione, Ionian Coast, Porto Cesareo, Apulia (UGSB 16237). F. Specimen from Palude del Capitano Pond, San Isidoro, Ionian coast, Nardò, Apulia (UGSB 16236). G. Operculum, inner side. H. Operculum, outer side.
Fig. 23 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 23. Shells and operculum of Mercuria felixi Miller, García-Guerrero & Ramos sp. nov. from the stream in Camuto de la Tala, Cádiz, Spain. A–B. Holotype (MNCN 15.05/200176H), frontal and lateral views. C–H. Paratypes (MNCN 15.05/94754). G. Operculum, inner side. H. Operculum, outer side.
Fig. 22 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 22. Anatomy of Mercuria carrillorum Miller, García-Guerrero & Ramos sp. nov. from the stream in Canuto de las Palas, Cádiz, Spain. A–B. Female genitalia. C–D. Penis. E. Penis and head. F. Prostate gland. G. Ctenidium and osphradium. H. Stomach. I. Perioesophageal ring.
Fig. 27 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 27. Radula of the Mercuria lupiaensis Miller & Delicado sp. nov. from Giammateo Creek, Frigole, Lecce. A. General view of the radular ribbon. B. Overview of radular teeth rows. C. Detailed view of the lateral and inner marginal teeth. D. Detailed view of the outer marginal teeth.
Fig. 24 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 24. Protoconch and radula of Mercuria felixi Miller, García-Guerrero & Ramos sp. nov. from the stream in Canuto de la Tala, Cádiz, Spain. A. Protoconch. B. Details of the protoconch. C. Protoconch microsculpture. D. Overview of radular teeth rows. E–F. Detailed view of the inner and outer marginal teeth, respectively.
Fig. 20 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 20. Shells and operculum of Mercuria carrillorum Miller, García-Guerrero & Ramos sp. nov. A–B. Holotype (MNCN 15.05/200175H), frontal and lateral views. D, G–H. Paratypes (MNCN 15.05/94748). C. Manantial de los Doce Pilares Spring, Málaga, Spain. D. Stream in Canuto de la Gallina, Montes de Propios, Jerez de la Frontera, Cádiz, Spain. E–F. Stream in Canuto de las Palas, Montes de Propios, Jerez de la Frontera, Cádiz, Spain (MNCN 15.05/94751). G–H. Stream in Canuto de la Gallina, Montes de Propios, Jerez de la Frontera, Cádiz, Spain. G. Operculum, inner side. H. Operculum, outer side.
Fig. 21 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 21. Protoconch and radula of Mercuria carrillorum Miller, García-Guerrero & Ramos sp. nov. from the stream in Canuto de las Palas, Montes de Propios, Jerez de la Frontera, Cádiz, Spain. A. Details of the protoconch. B. Protoconch nucleus. C. Protoconch microsculpture. D. Overview of radular teeth rows. E–F. Detailed view of the central and outer marginal teeth, respectively.
Fig. 19 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 19. Anatomy of Mercuria egarensis Miller, García-Guerrero & Ramos sp. nov. from Font de les Canyes, Barcelona, Spain. A. Female genitalia. B. Detailed view of the bursa copulatrix and seminal receptacle. C. Head and penis. D. Ctenidium and osphradium. E. Stomach. F. Prostate gland. G. Perioesophageal ring.
Fig. 17 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 17. Shells and operculum of Mercuria egarensis Miller, García-Guerrero & Ramos sp. nov. A–B. Holotype (MNCN 15.05/200174H), frontal and lateral views. C–G. Paratypes (MNCN 15.05/94753). F. Operculum, inner side. G. Operculum, outer side.
Fig. 13 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 13. Anatomy of Mercuria balearica (Paladilhe, 1869). A, D, F. Stream at Sant Joan de Carbonell, Minorca, Spain. B, C, E. Venta El Pilar Spring, Málaga, Spain. A. Female genitalia. B. Penis and head. C. Prostate gland. D. Ctenidium and osphradium. E. Stomach. F. Perioesophageal ring.
Fig. 8 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 8. Shells and operculum of Mercuria tachoensis (Frauenfeld, 1865). A–B. Spring at Saô Mamede, Leiria, Portugal. C. Oude Maas at Hoogvliet, Netherlands. D. Das Mouras Spring, Alpedriz, Leiria, Portugal. E. Arun Banks, Burpham, West Sussex, United Kingdom. F. Spring at Vale de Lobos, Almargem do Bispo, Lisboa, Portugal. G–I. Spring at Jardim da Sereia, Coimbra, Portugal. H. Operculum, inner side. I. Operculum, outer side.
Fig. 18 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 18. Protoconch and radula of Mercuria egarensis Miller, García-Guerrero & Ramos sp. nov. from Font de les Canyes, Barcelona, Spain.A. Details of the protoconch.B. Protoconch nucleus. C. Protoconch microsculpture. D. Overview of radular teeth rows. E–F. Detailed view of the inner and outer marginal teeth, respectively.
Fig. 4 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species
Fig. 4. Intraspecific variation of the shell shape and colour of Mercuria similis (Draparnaud, 1805). A. Salaboreja Spring, Casa de Ves, Albacete, Spain. B. Salado Stream, Casa de Ves, Albacete, Spain. C. Galayo´s Pond, Fuentalbilla, Albacete, Spain. D. Stream in Barranco del Agua Salada, Gelsa, Zaragoza, Spain (pigmented animal). E. Stream in Barranco del Agua Salada, Gelsa, Zaragoza, Spain (unpigmented animal). F. Saltwater gully in Aguinaliu, Huesca, Spain. G. Stream in Peralta de la Sal, Huesca, Spain. H. Sosa River at Peralta de la Sal, Huesca, Spain. I. Fonte Dame, Salses-le- Château, Aude, France. J. Font d´Estramar, Salses-le-Château, Aude, France. K. Pond at La Palme, Aude, France. L. Estany de la Ricarda, El Prat de Llobregat, Barcelona, Spain. M. Ullals de Baltasar, Amposta, Tarragona, Spain. N. Arc River near Les Cabanes, Bouches-du-Rhône, France. O. La Fouxde-Draguignan, France. P–Q. Arc River near Les Cabanes, Bouches-du-Rhône, France. P. Operculum, inner side. Q. Operculum, outer side.
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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)
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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.