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5,061
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5,061 results for “access”
The genomic location or Genbank accession of Tas2r genes in amphibians
<p><strong>Scaffold or chromosome location of <em>Tas2r</em> genes in amphibians</strong></p>
Stable isotopes reveal variation in consumption of Pacific salmon by brown bears, despite ready access in small streams
<p></p><p>Brown bears Ursus arctos consume a wide range of organisms, including ungulates and plants, but Pacific salmon Oncorhynchus spp. are especially important to their diet where their ranges overlap. Although some brown bears minimize antagonistic encounters with other brown bears or infanticide by avoiding streams where salmon spawn, studies generally assume that brown bears with ready access to salmon feed heavily on them. To test this assumption, and the hypothesis that male brown bears would feed more heavily on salmon than females (owing to their sexual size dimorphism), we collected hair samples from brown bears by using barbed wire placed on six small tributaries of Lake Aleknagik, Alaska, USA, where adult Sockeye Salmon Oncorhynchus nerka are readily accessible and frequently consumed by brown bears. Analysis of DNA distinguished among the different brown bears leaving the hair samples, some of which were sampled multiple times within and among years. We assessed the contribution of salmon to the diet of individual brown bears by using carbon and nitrogen stable isotope signatures. The 77 samples analyzed from 31 different bears over 4 y showed isotopic ratios consistent with reliance on salmon, but the wide range of isotopic signatures included values suggesting variable, and in one case considerable, use of terrestrial resources. Stable isotope signatures did not differ between male and female brown bears, nor did they differ between two sides of the lake, despite marked differences in Sockeye Salmon density. We collected the hair samples when salmon were present, so there was some uncertainty regarding whether they reflected feeding during the current or previous season. Notwithstanding this caveat, the results are consistent with the hypothesis that salmon were sufficiently available to provide food for the brown bears and that the considerable isotopic variation among brown bears with access to salmon reflected their age, status, and behavior.</p><p></p>
Database of: The Mexican flora as a study case in systematics (Taxonomy, Phylogenetics, and Evolution); GenBank's accession meta-analysis
<p>Result database of The Mexican flora as a study case in systematics (Taxonomy, Phylogenetics, and Evolution); GenBank’s accession meta-analysis.</p>
Dataset for Manuscript "Evaluating Inequalities in Access to Evidence Based Surgical Care: A Systematic Review of Surgical Literature Publication and Consumption Opportunities Across Resource Settings"
<p>Dataset for a global access surgical literature systematic review. registered on Propsero (<strong>CRD42021240227) </strong>and titled <strong>Evaluating Inequalities in Access to Evidence Based Surgical Care: A Systematic Review of Surgical Literature Publication and Consumption Opportunities Across Resource Settings</strong></p>
Hazelnut SSR database: genetic profiles of the accessions, list of synonyms, and true-to-type genotypes
<p>Hazelnut (<i>Corylus avellana</i> L.) is one of the most important tree nut crops in Europe. Germplasm accessions are conserved in <i>ex situ</i> repositories, located in countries where hazelnut production occurs. In this work, we used ten simple sequence repeat (SSR) markers as the basis to establish a core collection representative of the hazelnut genetic diversity conserved in different European collections. A total of 480 accessions were used: 430 from <i>ex situ</i> collections and 50 landraces maintained <i>on-farm</i>. SSR analysis identified 181 genotypes, that represented our whole hazelnut germplasm collection (WHGC). Four approaches (utilizing MSTRAT, Power Core, and Core Hunter's single- and multi-strategy) based on the maximization (M) strategy were used to determine the best sampling method. Core Hunter's multi-strategy, optimizing both allele coverage (Cv) and Cavalli-Sforza and Edwards (Dce) distance with equal weight, outperformed the others and was selected as the best approach. The final core collection (Cv-Dce30) comprised 30 entries (16.6% of genotypes). It recovered all SSR alleles and preserved parameter variations when compared to WHGC. Entries represented all six gene pools obtained from the population structure analysis of WHGC, further confirming the representativeness of Cv-Dce30. Our findings contribute towards improving the conservation and management of European hazelnut genetic resources and could be used to optimize future research by identifying a minimum number of accessions on which to focus.</p>
Supplementary material 1 from: Veloso T, Reboleira AS, Oliveira H, Gonçalves F, Marques S (2018) Accessing bioactive potential of cave bacterial extracts. ARPHA Conference Abstracts 1: e30109. https://doi.org/10.3897/aca.1.e30109
Accessing bioactive potential of cave bacterial extracts
Supplementary material 1 from: Conan A, Fleitz J, Garnier L, Le Brishoual M, Handrich Y, Jumeau J (2022) Effectiveness of wire netting fences to prevent animal access to road infrastructures: an experimental study on small mammals and amphibians. In: Santos S, Grilo C, Shilling F, Bhardwaj M, Papp CR (Eds) Linear Infrastructure Networks with Ecological Solutions. Nature Conservation 47: 271-281. https://doi.org/10.3897/natureconservation.47.71472
Supplementary materials and methods
Third Way: A Puzzle that Dual-Route Model of Lexical Access Cannot Solve
<p>The dataset needed to replicate the study findings.</p>
Dataset for Predatory publishing practices in the shadow of open access models [diploma thesis]
<p>Dataset contains: </p> <ul> <li>a list of predatory journals with ISSNs/eISSNs based upon existing blacklists</li> <li>exports of OA publications from the systems OBD (Charles University personal bibliography database) and RIV (Register of information about research results of the Czech Republic) </li> <li>an analysis based on the data above</li> <li>answers gathered using a quantitative questionnaire on the title topic</li> </ul>
Atilax paludinosus Photo: J & B Photography/ Photo Access in Herpestidae
Atilax paludinosus Photo: J & B Photography/ Photo Access
Direct access to millions of mutations by Whole Genome Sequencing of an oilseed rape mutant population
<p>Induced mutations are an essential source of genetic variation in plant breeding. EMS mutagenesis has been frequently applied, and mutants have been detected by phenotypic or genotypic screening of large populations. In this study, a rapeseed M<sub>2</sub> population was derived from M<sub>1</sub> parent cultivar “Express” treated with EMS. Whole genomes were sequenced from fourfold (4x) pools of 1,988 M<sub>2</sub> plants representing 497 M<sub>2</sub> families. Detected mutations were not evenly distributed and displayed distinct patterns across the 19 chromosomes with lower mutation rates towards the ends. Mutation frequencies ranged from 32/Mb to 48/Mb. On average, 284,442 single nucleotide polymorphisms per M<sub>2</sub> DNA pool were found resulting from EMS mutagenesis. 55% were C→T and G→A transitions, characteristic for EMS induced (‘canonical’) mutations, whereas the remaining SNPs were ‘non-canonical’ transitions (15%) or transversions (30%). Additionally, we detected 88,725 high confidence insertions and deletions (InDels) per pool. On average, each M<sub>2</sub> plant carried 39,120 canonical mutations, corresponding to a frequency of one mutation per 23.6 kb. Roughly 82% of such mutations were located either 5 kb upstream or downstream (~56%) of gene coding regions or within intergenic regions (26%). The remaining 18% were located within regions coding for genes. All mutations detected by whole-genome sequencing could be verified by comparison with known mutations. Furthermore, all sequences are accessible via the online tool “EMS Brassica” (<a href="http://www.emsbrassica.plantbreeding.uni-kiel.de/">http://www.emsbrassica.plantbreeding.uni-kiel.de/</a>), which enables direct identification of mutations in any target sequence. The sequence resource described here will further add value for functional gene studies in rapeseed breeding.</p>
Mapping of new style MassBank Accessions to wikidata
<p>The MassBank Accession schema changed with <a href="https://github.com/MassBank/MassBank-web/blob/main/Documentation/MassBankRecordFormat.md">MassBank Record Format 2.6.0</a>. This dataset maps the existing <a href="https://www.wikidata.org/wiki/Property:P6689">wikidata</a> entries by 220831-16:13 to the new accession format.</p>
Supplementary material 4 from: Meier N, Urfer K, Haraldseide H, Vårdal H, Klopfstein S (2022) Open access in a taxonomic sense: a morphological and molecular guide to Western Palaearctic Dusona (Hymenoptera, Ichneumonidae). Journal of Hymenoptera Research 91: 83-183. https://doi.org/10.3897/jhr.91.83318
PCR conditions
Supplementary material 1 from: Meier N, Urfer K, Haraldseide H, Vårdal H, Klopfstein S (2022) Open access in a taxonomic sense: a morphological and molecular guide to Western Palaearctic Dusona (Hymenoptera, Ichneumonidae). Journal of Hymenoptera Research 91: 83-183. https://doi.org/10.3897/jhr.91.83318
Taxon list SMTP
Supplementary material 3 from: Meier N, Urfer K, Haraldseide H, Vårdal H, Klopfstein S (2022) Open access in a taxonomic sense: a morphological and molecular guide to Western Palaearctic Dusona (Hymenoptera, Ichneumonidae). Journal of Hymenoptera Research 91: 83-183. https://doi.org/10.3897/jhr.91.83318
Specimens with molecular data
Supplementary material 5 from: Meier N, Urfer K, Haraldseide H, Vårdal H, Klopfstein S (2022) Open access in a taxonomic sense: a morphological and molecular guide to Western Palaearctic Dusona (Hymenoptera, Ichneumonidae). Journal of Hymenoptera Research 91: 83-183. https://doi.org/10.3897/jhr.91.83318
MrBayes Input file
Supplementary material 6 from: Meier N, Urfer K, Haraldseide H, Vårdal H, Klopfstein S (2022) Open access in a taxonomic sense: a morphological and molecular guide to Western Palaearctic Dusona (Hymenoptera, Ichneumonidae). Journal of Hymenoptera Research 91: 83-183. https://doi.org/10.3897/jhr.91.83318
P-distances
Supplementary material 2 from: Meier N, Urfer K, Haraldseide H, Vårdal H, Klopfstein S (2022) Open access in a taxonomic sense: a morphological and molecular guide to Western Palaearctic Dusona (Hymenoptera, Ichneumonidae). Journal of Hymenoptera Research 91: 83-183. https://doi.org/10.3897/jhr.91.83318
Taxon list CH
Semantic metadata annotation: tagging medline abstracts for enhanced information access
<p>The object of this study is to develop methods for automatically annotating the argumentative role of sentences in scientific abstracts. Working from Medline abstracts, we classified sentences into four major argumentative roles: objective, method, result, conclusion. The idea is that if the role of each sentence can be marked up, then this metadata can be used during information retrieval to seek for particular types of information such as novelty, conclusions, methodologies, aims/goals of a scientific piece of work.</p> <p> </p>
Supplementary material 1 from: Woolfrey L (2017) Data Management Plan: Opening access to economic data to prevent tobacco related diseases in Africa. Research Ideas and Outcomes 3: e14837. https://doi.org/10.3897/rio.3.e14837
Data quality issues: Accuracy - issues around data collection.
ScienceDex guides
Understand access before you commit
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.