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315
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ShareScore release 0.9.0
Dataset results
315 results for “gene diversity”
Data from: Cryptic diversity and gene flow among three African agricultural pests: Ceratitis rosa, Ceratitis fasciventris and Ceratitis anonae (Diptera, Tephritidae)
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The evolution of hemocyanin genes in Tectipleura - a multitude of conserved introns in highly diverse gastropods
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Oxytenanthera abyssinica (A. Rich.) Munro; lowland bamboo (Poaceae, Bambusinea) in Ethiopia: Genetic diversity, population structure and gene flow analysis
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Data from: Evolution of floral diversity: genomics, genes and gamma
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Data from: Genetic diversity and structure of Lolium perenne ssp. multiflorum in California vineyards and orchards indicates potential for spread of herbicide resistance via gene flow
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Data from: Mining for NRPS and PKS genes revealed a high diversity in the Sphagnum bog metagenome
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Data from: Standing genetic diversity and selection at functional gene loci are associated with differential invasion success in two non-native fish species
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Data from: Diversity of MHC DQB and DRB genes in the endangered Australian sea lion (Neophoca cinerea)
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Data from: Patterns of diversity and spatial variability of β-defensin innate immune genes in a declining wild population of tree swallows
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Data from: Scanning SNPs from a large set of expressed genes to assess the impact of artificial selection on the undomesticated genetic diversity of white spruce
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The amount of RNA editing sites in liverwort organellar genes is correlated with GC content and nuclear PPR protein diversity
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Evidence for reduced immune gene diversity and activity during the evolution of termites
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Data from: Horizontal gene transfer of acetyltransferases, invertases and chorismate mutases from different bacteria to diverse recipients
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Data from: Demographic history and adaptation account for clock gene diversity in humans
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Data from: Sex-biased gene expression, sexual antagonism and levels of genetic diversity in the collared flycatcher (Ficedula albicollis) genome
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Nucleotide diversity of functionally different groups of immune response genes in Old World camels based on newly annotated and reference-guided assemblies
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Data from: Characterisation of reproductive gene diversity in the endangered Tasmanian devil
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Data from: Expansion of genotypic diversity and establishment of 2009 H1N1 pandemic-origin internal genes in pigs in China
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Is drought tolerance a domestication trait in tepary bean?: Allelic diversity at abiotic stress responsive genes in cultivated Phaseolus acutifolius A. Gray and its wild relatives
<p>Some of the major impacts of climate change are expected in the poorest regions of the world where drought stress and nutrient deficiency are already a main issue. Legumes are an essential food crop for the poorest because of their high dietary protein and micronutrient contents. However, they are generally drought susceptible. Therefore, our goal in this study was to explore allele diversity at abiotic stress responsive candidate genes in the only drought tolerant cultivated bean species of the genus <i>Phaseolus</i>, tepary bean (<i>P. acutifolius</i> A. Gray) and its related species <i>P. parvifolius </i>Freytag. Specifically, we estimated drought tolerance in 52 tepary bean <i>s.l.</i> geo-referenced germplasm accessions from the <i>P. acutifolius</i>–<i>parvifolius</i> clade using climate information, and used this estimated drought stress index to examine allele correlations with <i>Asr2</i>, <i>Dreb2B</i> and ERECTA-encoding candidate genes for drought tolerance. Genetic clustering showed that cultivated and wild <i>P. acutifolius</i> were intermingled with <i>P. acutifolius </i>var.<i> tenuifolius</i> and <i>P. parvifolius</i>, signifying that allele diversity at candidate genes for drought tolerance was not scarce in tepary bean <i>s.l</i>. <i>Dreb2B</i> and ERECTA-encoding genes harbored signatures of directional/purifying selection, likely in favor of adaptive alleles selectively advantageous because each had two SNPs significantly correlated (<i>p-value</i> < 0.05) with habitat drought stress at six and 12 months. These results suggest that tepary bean <i>s.l. </i>is a reservoir of novel alleles at candidate genes for drought tolerance, as expected for a drought-tolerant species that originated in warmer and arid environments. Abiotic stress responsive candidate genes also exhibit comparable patterns of selective signatures when comparing orthologous across species, which speaks for a predominant role of gene sub-functionalization likely due to ecological constrains. Our study therefore corroborates that the candidate gene approach is still an effective alternative for marker validation across a broader genetic basis of germplasm accessions. Further efforts to determine the genetic architecture of drought tolerance will unlock novel alleles hidden in a crop with limited modern relevance as tepary bean, but capable of acting as a donor in backcrossing and genome editing strategies with elite common bean lines aiming to meet the imminent demands of a drier world.</p>
Diversity of biosynthetic gene clusters in gut bacteria of turtle ants
<p class="Standard"><span>In insect-microbe nutritional symbioses the gut symbionts supplement the host diet with nutrients by producing amino acids and vitamins or by degrading lignin or polysaccharides macromolecules. In multipartite mutualisms composed of multiple symbionts from different taxonomical orders, it has been suggested that beside the genes involved in the nutritional symbiosis the symbionts maintain genes responsible for the production of metabolites putatively playing a role in the maintenance and interaction of the bacterial communities living in close proximity. To test this hypothesis, we investigated the diversity of biosynthetic gene clusters (BGCs) producing different non-primary metabolites in the genomes and metagenomes of the conserved gut symbionts associated with the herbivorous turtle ants (genus: <i>Cephalotes</i>). We studied 17 <i>Cephalotes</i> species collected across several geographical areas to reveal that (i) mining metagenomes and genomes show complementary results demonstrating the robustness of this approach to retrieve BGCs, (ii) the conserved gut symbionts involved in the nutritional symbiosis have a high diversity of BGCs of different chemical families, (iii) the phylogenetic analysis of BGCs encoding the production of arylpolyenes, non-ribosomal peptides (NRP), polyketides (PK), and siderophores shows high similarity between BGCs of a single symbiont across different ant host species, and between BGCs originated from different bacterial orders within a single host species. These findings together suggest multiple mechanisms of bacterial genome conservation and evolution of BGCs. We document the occurrence, diversity, and similarity of BGCs in the genome of obligate gut bacteria involved in multipartite mutualisms across the phylogeny of turtle ants.</span></p>
ScienceDex guides
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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.