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200 results for “Genomic Resources”
Data from: "White-tailed deer (Odocoileus virginianus) transcriptome assembly and SNP discovery" in Genomic Resources Notes accepted 1 June 2013-31 July 2013
White-tailed deer (Odocoileus virginianus) are among the most abundant and widespread large mammals in the Americas, comprising up to 38 subspecies ranging from Northern Canada to Peru. Although believed to have high genetic diversity, surprisingly few genomic resources are currently available, despite the species' ecological and economic importance. White-tailed deer and other cervids throughout central North America are currently being afflicted by chronic wasting disease (CWD), one of the degenerative prion diseases collectively known as transmissible spongiform encephalopathies. Although CWD is of major importance to white-tailed deer management, little is currently known about innate resistance or susceptibility to CWD outside of polymorphisms in the prion protein gene, Prnp, though a recent study using microsatellites suggests that the disease may have additional underlying genetic components. Further association analysis is hindered by low marker density. In this study, we used high-throughput SOLiD sequencing to create novel sequence data for white-tailed deer and identify single-nucleotide polymorphisms, using the pooled blood transcriptomes of six individuals. In total, we generated 14,010 contigs of length ≥ 200 nt, representing 4,104,760 nt of unique sequence data, and we identified 66,596 SNPs. This data represents one of the largest genetic resources currently available for any cervid. We hope it will facilitate future research for population genomics and assist with the identification of genetic factors that underlie disease resistance and other traits relevant for conservation and management.
Data from: "Diagnostic SNPs for inferring population structure in American mink (Neovison vison) identified through RAD sequencing" in Genomic Resources Notes accepted 1 October 2014 to 30 November 2014
The article documents the public availability of RAD sequencing data and generated SNPs for the American mink (Neovison vison). 224,095 polymorphic loci were identified from 14 mink from which primers were designed for a subset of 380 SNPs. The panel was tested on 211 mink. Fisher's F-statistics (Fis, FIT and FST) as well as observed (HO), expected (HE) and unbiased expected (uHE) heterozygosity was calculated for the SNPs and 194 SNPs was validated as being useful for population genetic studies.
Data from: "De novo assembly transcriptome for the rostrum dace (Leuciscus burdigalensis, Cyprinidae: fish) naturally infected by a copepod ectoparasite" in Genomic Resources Notes accepted 1 December 2014 to 31 January 2015
The emergence of pathogens represents substantial threats to public health, livestock, domesticated animals, and biodiversity. How wild populations respond to emerging pathogens has generated a lot of interest in the last two decades. With the recent advent of high-throughput sequencing technologies it is now possible to develop large transcriptomic resources for non-model organisms, hence allowing new research avenues on the immune responses of hosts from a large taxonomic spectra. We here focused on a wild population of the rostrum dace (Leuciscus burgiladensis) that is infected by Tracheliastes polycolpus, an emerging freshwater ectoparasite copepod. We used next generation Illumina sequencing technology to sequence the transcriptome of eight L. burdigalensis adult individuals collected in natura from the same sampling site. Four individuals were non-infected and four individuals were infected by T. polycolpus. We specifically focused on the spleen, the head kidney and epithelial cells and mucus from the fins, three tissues known to be involved in the immune response of fish. We used the Trinity methodology to reconstruct a de novo full-length transcriptome for L. burdigalensis. The resulting transcriptome will serve as an important broad-scale genomic resource for further studying the response of local population of L. burdigalensis to T. polycolpus pressures.
Data from: "Transcriptome resources for the oriental rat flea and primary plague vector, Xenopsylla cheopis" in Genomic Resources Notes Accepted 1 August 2015 to 31 September 2015
This article documents the public availability of raw transcriptome sequence data, 45,254 assembled unigenes as well as their functional annotations of a plague vector Xenopsylla cheopis.
Data from: "Genome-wide microsatellite marker development from next-generation sequencing of two non-model bat species impacted by wind turbine mortality: Lasiurus borealis and L. cinereus (Vespertilionidae)" in Genomic Resources Notes accepted 1 October 2013 to 30 November 2013
Tree-roosting bats in the genus Lasiurus are widespread, migratory species that have not been well characterized for population genetic diversity and structure due to a lack of genetic resources. Generating genetic resources in Lasiurus is made pressing by the need for conservation genetic assessments of demographic trends in this genus, which comprise a large percentage of bat mortalities at wind turbine sites across North America. We report on marker development from whole-genome Illumina sequencing of the red bat (Lasirus borealis) and the hoary bat (L. cinereus). We generated paired-end libraries for a single individual of each species, sequenced on the Illumina HiSeq platform. We mapped a total of 46.6 million reads to the Myotis lucifigus reference genome, and used bioinformatics searches to identify tends of thousands of simple sequence repeats (SSRs) distributed across the bat genome. We selected 48 candidate microsatellite loci to develop cross-species primer sequences for Lasiurus, assembled these into multiplex combinations, and tested for amplification and polymorphism levels in a sample of 23 individuals from each of L. borealis and L. cinereus. In total, we identified 42 highly polymorphic loci that could be robustly amplified and scored, the majority of which (39) were also combinable into highly multiplexed assays of 4-8 loci each. The combination of new genomic sequence assemblies, a large set of highly polymorphic microsatellite loci, and the ability to efficiently multiplex represents a significant contribution to the genetic resources available for population and comparative genetic studies of bats.
Data from: Genome-wide SNP discovery in the annual herb, Lasthenia fremontii (Asteraceae): genetic resources for the conservation and restoration of a California vernal pool endemic
California vernal pool (VP) ecosystems support a diverse community of endemic plants that are threatened by multiple anthropogenic pressures, generating a need for molecular tools to quantify the extent and distribution of genetic variation in native populations. Here, we used RADseq to discover single nucleotide polymorphisms (SNPs) for a widespread VP endemic plant species, Lasthenia fremontii. We discovered nuclear-based SNPs using a RAD-tag library of 12 individuals from different VP complexes using SbfI, a restriction enzyme that does not cleave the chloroplast genome in Lasthenia. A total of 316,106 catalog loci were obtained across all twelve individuals in the library. Of these, 713 loci were polymorphic, yielding 3918 candidate SNPs. Next, we genotyped an additional 285 additional plants to validate and characterize 71 of the candidate SNPs. Of these, 44 were polymorphic among VP complexes. A preliminary analysis of the distribution of genetic variation using these loci revealed significant isolation-by-distance across the species' geographic range. Weaker, but in some cases significant, genetic differentiation was detected among subpopulations from different pools within a single VP complex. Thus, in this study, RADseq allowed the discovery of SNP markers that can characterize patterns of genetic variation at multiple spatial scales in L. fremontii, which can be used to inform the conservation and mitigation of VP populations.
Data from: "De novo assembled transcriptome of organs involved in reproduction in an endangered endemic Iberian cyprinid fish (Squalius pyrenaicus)" in Genomic Resources Notes Accepted 1 June 2015 to 31 July 2015
Sex determination systems are diverse, especially among fish, and include genetic and/or environmental components. Unexpectedly for such a basic aspect of development, sex determination systems change rapidly during evolution and gonadal fate is not ultimate, being actively maintained lifelong. Here, sequences of expressed genes involved in maintenance of gonad identity and reproduction processes were obtained through transcriptome assembly of the brain-gonadal axis tissues of a freshwater fish inhabiting highly variable environments, the gonochoristic Iberian fish Squalius pyrenaicus. Through Illumina total RNA-sequencing, male and female transcriptomes of brain and gonad tissues were assembled with Trans-ABySS software and merged to produce a more comprehensive S. pyrenaicus transcriptome. Coding sequences (CDS) predicted by TransDecoder were annotated using blastx. By means of read mapping against the reference transcriptome and CDS datasets, using Bowtie2, the accuracy of read mapping was assessed. This first endemic Iberian cyprinid transcriptome of organs involved in reproduction processes may serve as a valuable genomic resource for studying sexual mechanisms and other aspects of evolution, such as speciation and responses to environmental changes, and may be a useful tool for conservation studies since S. pyrenaicus is an endangered species.
Data from: Signatures of selection for bonamiosis resistance in European flat oyster (Ostrea edulis): new genomic tools for breeding programs and management of natural resources
The European flat oyster (Ostrea edulis) is a highly appreciated mollusk with an important aquaculture production throughout the 20th century, in addition to playing an important role on coastal ecosystems. Overexploitation of natural beds, habitat degradation, introduction of non-native species and epidemic outbreaks have severely affected this important resource, particularly, the protozoan parasite Bonamia ostreae, which is the main concern affecting its production and conservation. In order to identify genomic regions and markers potentially associated with bonamiosis resistance, six oyster beds distributed throughout the European Atlantic coast were sampled. Three of them have been exposed to this parasite since the early 1980's and showed some degree of innate resistance (long-term affected group, LTA), while the other three were free of B. ostreae at least until sampling date (naïve group, NV). A total of 14,065 SNPs were analyzed, including 37 markers from candidate genes and 14,028 from a medium density SNP array. Gene diversity was similar between LTA and NV groups suggesting no genetic erosion due to long term exposure to the parasite, and three population clusters were detected using the whole dataset. Tests for divergent selection between NV and LTA groups detected the presence of a very consistent set of 22 markers, located within a putative single genomic region, which suggests the presence of a major quantitative trait locus associated with B. ostreae resistance. Moreover, 324 outlier loci associated with factors other than bonamiosis were identified allowing fully discrimination of all the oyster beds. A practical tool which included the 84 highest discriminative markers for tracing O. edulis populations was developed and tested with empirical data. Results reported herein could assist the production of stocks with improved resistance to bonamiosis, and facilitate the management of oyster beds for recovery production and ecosystem services provided by this species.
Data from: Development of a genomic resource and quantitative trait loci mapping of male calling traits in the lesser wax moth, Achroia grisella
In the study of sexual selection among insects, the Lesser Waxmoth, Achroia grisella (Lepidoptera: Pyralidae), has been one of the more intensively studied species over the past 20 years. Studies have focused on how the male calling song functions in pair formation and on the quantitative genetics of male song characters and female preference for the song. Recent QTL studies have attempted to elucidate the genetic architecture of male song and female preference traits using AFLP markers. We continued these QTL studies using SNP markers derived from an EST library that allowed us to measure both DNA sequence variation and map loci with respect to the lepidopteran genome. We report that the level of sequence variation within A. grisella is typical among other Lepidoptera that have been examined, and that comparison with the Bombyx mori genome shows that macrosynteny is conserved. Our QTL map shows that a QTL for a male song trait, pulse-pair rate, is situated on the Z chromosome, a prediction for sexually selected traits in Lepidoptera. Our findings will be useful for future studies of genetic architecture of this model species and may help identify the genetics associated with the evolution of its novel acoustic communication.
Data from: "Complete mitochondrial and partial nuclear genomes for the jack species Caranx ignobilis (Forsskål, 1775) and C. melampygus (Cuvier, 1833) (Perciformes:Carangidae) from the High Hawaiian Islands" in Genomic Resources Notes accepted 1 October 2013 – 30 November 2013
Complete mitochondrial and partial nuclear genomes for the jack species Caranx ignobilis (Forsskål, 1775) and C. melampygus (Cuvier, 1833) (Perciformes:Carangidae) from the High Hawaiian Islands are presented along with annotation and characterization of intragenomic single nucleotide polymorphism (SNPs) and indel variation.
Pissodes strobi v1, White pine weevil - genome resources and analysis
<p>BTL lab at the GSC, Vancouver Canada</p><p>Curated and released by K.K. Gagalova</p><p>Please cite "<strong>The genome of the forest insect pest </strong><i><strong>Pissodes strobi</strong></i><strong> reveals genome expansion and evidence of a </strong><i><strong>Wolbachia</strong></i><strong> endosymbiont</strong>" Gagalova & Whitehill, et al., 2022 <a href="https://doi.org/10.1093/g3journal/jkac038">https://doi.org/10.1093/g3journal/jkac038</a></p><ol><li>wpw resources publication - genomics and annotation resources used in the paper</li><li>Phylogeny beetles - raw data for Figure 1</li><li>Repeats analysis - raw data for Figure 2</li><li>Repeat explorer comparative - RepeatExplorer analysis as in "<a href="https://open.library.ubc.ca/soa/cIRcle/collections/ubctheses/24/items/1.0412903">Annotation of complex genomes for comparative genomics</a>"</li><li>Phylogeny Wolbachia - raw data for Figure 3</li><li>Genome annotation - raw data and step-by-step annotations for protein coding genes. Includes structural, funnctional and polishing steps</li><li> Sex determination - analysis of genome coverage for sex determination (hypothesis)</li></ol>
Genomic survey of edible cockle (Cerastoderma edule) in the Northeast Atlantic: a baseline for sustainable management of its wild resources
<p>Knowledge on how environmental factors shape the genome of marine species is crucial for sustainable management of fisheries and wild populations. The edible cockle (Cerastoderma edule) is a marine bivalve distributed along the Northeast Atlantic coast of Europe and is an important resource from both commercial and ecological perspectives. We performed a population genomics screening using 2b-RAD genotyping on 9,309 SNPs localised in the cockle's genome on a sample of 536 specimens pertaining to 14 beds in the Northeast Atlantic Ocean to determine the genetic structure with regard to environmental variables. Larval dispersal modelling considering species behaviour and interannual / interseasonal variation in ocean conditions was carried out as an essential background to which compare genetic information. Cockle populations in the Northeast Atlantic displayed low but significant geographical differentiation between populations (FST = 0.0240; P < 0.001), albeit not across generations. We identified 742 and 36 outlier SNPs related to divergent and balancing selection in all the geographical scenarios inspected, and sea temperature and salinity were the main environmental drivers suggested. Highly significant linkage disequilibrium was detected at specific genomic regions against the very low values observed across the whole genome, suggestive of selective sweeps. Two main genetic groups were identified, northwards and southwards of French Brittany, in accordance with the larval dispersal modelling, which suggested a barrier for larval dispersal linked to the Ushant front. Further genetic subdivision was observed using outlier loci and considering larval behaviour. The northern group was divided into the Irish/Celtic Seas and the English Channel/North Sea, while the southern group was divided into three subgroups. This information represents the baseline for management of cockles, designing conservation strategies, founding broodstock for depleted beds, and producing suitable seed for aquaculture production.</p>
An overview of bioinformatics, genomics and transcriptomics resources for bryophytes. Supplemental data
<p>supplemental data file 1 - bryophyte transcriptomes</p>
Genomic Resources for Global and Local Ancestry Estimation in a Captive Baboon Colony
<p>VCF files mapped to <em>Panubis1.0</em> with 881 olive (<em>Papio anubis</em>) and yellow (<em>Papio cynocephalus</em>) baboons from the Southwest National Primate Research Center. VCF files were generated in two separate pipelines, first using Beagle 4.1 and Beagle 5.4 and additionally SHAPEIT5/IMPUTE5 to test if a pedigree-aware software reduced the number of evident phase switch errors. VCFs here have been phased and imputed in their respective pipelines, filtered for imputation accuracy with markers with less than 0.7 confidence removed using BCFTools, and then phase switch corrected using Tractor. Genomic resources (AIMs and Fixed markers) are based off of <em>Panubis1.0 </em>coordinates. Local ancestry estimation completed by RFMix and then phase-switch-corrected using Tractor. </p>
Supporting data for: "mtGrasp: Streamlined mitochondrial genome reference-grade assembly and standardization to enhance mitogenome resources and improve the development of environmental DNA assays"
<p>Here, we provide supporting data for the manuscript "mtGrasp: Streamlined mitochondrial genome reference-grade assembly and standardization to enhance mitogenome resources and improve the development of environmental DNA assays".</p> <p>Phylogenetic_analysis.tar.gz contains the script and fasta files used for the phylogenetic analysis, and Mitogenomes.tar.gz contains the mitochondrial sequences utilized that are not publicly available in GenBank.</p>
Resources for genomic analyses in baboons (genus Papio)
<p>Resources for genomic analyses in baboons (genus <em>Papio</em>). See "Analysis of 100 high coverage genomes from a pedigreed captive baboon colony" by Robinson et al. 2019 for further details.</p> <p><strong>Panu_2.0_Panu_3.0_chain_files.tar.gz</strong> Chain files for converting coordinates between Panu_2.0 and Panu_3.0. All coordinates in the files below correspond to Panu_2.0, but can be converted to coordinates in the new assembly, Panu_3.0, using the chain files with liftOver (Hinrichs et al. 2006, DOI:10.1093/nar/gkj144).</p> <p><strong>baboon_100_highcoverage_SNPRC_sample_info.txt</strong> Sample information: Sample ID, Sequencing ID, Type, Sex, Fped (%), Admixed, Mean coverage (X). The type, sex, inbreeding coefficient (Fped), and admixture status are all based on the SNPRC pedigree.</p> <p><strong>baboon_24_olive_founders_phased.vcf.gz</strong> Phased VCF files for 24 olive baboon founders. Phasing was performed with Beagle (Browning and Browning 2007, DOI:10.1086/521987), assuming an effective population size of 40,000 individuals (Boissinot et al. 2014, DOI:10.1002/ajpa.22618). SNPs were filtered to remove singletons and thinned so that no two sites were closer than 10 bp. <strong>baboon_24_olive_founders_phased.vcf.gz.tbi</strong> is the index for the VCF file.</p> <p><br> <strong>baboon_ldhelmet_recombination_maps.tar.gz</strong> Fine-scale recombination maps produced with LDhelmet (Chan et al. 2012, DOI:10.1371/journal.pgen.1003090) based on phased genotypes from 24 olive baboon founders. Results from three block penalties are provided (5, 25, 50).</p> <p><strong>baboon_AIMs_33founders_fixed_yellow_olive.txt</strong> List of ancestry informative markers for distinguishing olive and yellow baboon ancestry. These sites represent fixed differences between 7 genetically yellow and 24 genetically olive baboons.</p> <p><strong>baboon_plink_ROH.bed</strong> Coordinates of runs of homozygosity in BED format, inferred with PLINK (Chang et al. 2015, DOI:10.1186/s13742-015-0047-8) using the default behavior of the --homozyg function. The following parameters were used to prune SNPs beforehand: --indep-pairwise 50 5 0.5. The columns are: chromosome, start position, end position, sample name.</p> <p><strong>baboon_LOF_mutations.txt</strong> List of putative LOF mutations annotated with SnpEff (Cingolani et al. 2012, DOI:10.4161/fly.19695). The following mutation types were included: “stop_gained”, “start_lost”, “stop_lost”, “splice_acceptor_variant”, “splice_donor_variant”.</p>
Data from: "Identification of SNP markers for the endangered Ugandan red colobus (Procolobus rufomitratus tephrosceles) using RAD sequencing" in Genomic Resources Notes accepted 1 December 2014 to 31 January 2015
Despite dramatic growth in the field of primate genomics over the past decade, studies of primate population and conservation genomics in the wild have been hampered due to the difficulties inherent in studying non-model organisms and endangered species, such as lack of a reference genome and current challenges in de novo primate genome assembly. Here, we used Restriction-site Associated DNA (RAD) sequencing to develop a population-based SNP panel for the Ugandan red colobus (P. rufomitratus tephrosceles), which is a highly threatened monkey due to habitat loss. We analyzed blood samples from 24 individuals from Kibale National Park (Uganda) using single-end RAD sequencing. We obtained 70,773,857 reads, of which 58,814,906 passed the filtering steps. Using the program STACKS v. 1.11 we identified 113,376 loci, of which 50,558 were polymorphic and had a mean observed heterozygosity of 0.25. These data will be used to study the effects of habitat fragmentation on genomic diversity, dispersal, and disease transmission in this species. Our approach provides a good example of the potential of RAD sequencing in studies of wild primate populations.
Figure 3 in The first genomic resource for the 'near threatened' Neotropical otter Lontra longicaudis (Carnivora: Mustelidae): mitochondrial genome characterisation and insights into phylomitogenomic relationships in the family Mustelidae
Figure 3. An analysis of selective pressure in the protein coding genes (PCGs) of Lontra longicaudis indicates that the Ka/Ks value can show whether a gene is undergoing selection, and based on the magnitude of the value, what type of selection is taking place. Ka/Ks values <1 indicate purifying selection, whereas values equal to 1 indicate neutral selection. The Ka/Ks ratios (vertical axis) were calculated for each of the 13 PCGs (horizontal axis) by performing pairwise comparisons with L. lutra. Photo credit: John Tomsett.
Figure 6 in The first genomic resource for the 'near threatened' Neotropical otter Lontra longicaudis (Carnivora: Mustelidae): mitochondrial genome characterisation and insights into phylomitogenomic relationships in the family Mustelidae
Figure 6. Phylomitogenomic analysis of Lontra longicaudis and related species in the family Mustelidae. Total-evidence phylogenetic tree obtained from ML analysis based on a concatenated alignment of amino acids of the 13 protein-coding genes present in the mitochondrial genome of representatives of the family Mustelidae. The branches are colour coded to represent their respective bootstrap values. Photo credit: John Tomsett.
Figure 2 in The first genomic resource for the 'near threatened' Neotropical otter Lontra longicaudis (Carnivora: Mustelidae): mitochondrial genome characterisation and insights into phylomitogenomic relationships in the family Mustelidae
Figure 2. Codon usage analysis of PCGs in the mitochondrial genome of Lontra longicaudis. All 20 amino acids [adenine (A), cysteine (C), aspartic acid (D), glutamic acid (E), phenylalanine (F), glycine (G), histidine (H), isoleucine (I), lysine (K), leucine (L), methionine (M), asparagine (N), proline (P), glutamine (Q), arginine (R), serine (S), threonine (T), valine (V), tryptophan (W), tyrosine (Y)] are listed by their one-letter abbreviations along the horizontal axis. Each amino acid comprises several codons that are listed and colour coded below their respective amino acid. The length of the coloured regions indicates the frequency of the respective codon within that amino acid. The vertical axis represents the RSCU values for the amino acids.
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.