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927 results for “genetic study”
Supplementary material 1 from: Zemanova MA (2019) Poor implementation of non-invasive sampling in wildlife genetics studies. Rethinking Ecology 4: 119-132. https://doi.org/10.3897/rethinkingecology.4.32751
: Data type: reference data
Data from: Are Parnassius apollo populations from the Pieniny National Park introgressed? A genetic study.
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Data from: Inferring the origin of populations introduced from a genetically structured native range by approximate Bayesian computation: case study of the invasive ladybird Harmonia axyridis
Correct identification of the source population of an invasive species is a prerequisite for testing hypotheses concerning the factors responsible for biological invasions. The native area of invasive species may be large, poorly known and/or genetically structured. Because the actual source population may not have been sampled, studies based on molecular markers may generate incorrect conclusions about the origin of introduced populations. In this study, we characterized the genetic structure of the invasive ladybird Harmonia axyridis in its native area using various population genetic statistics and methods. We found that H. axyridis native area most likely consisted of two geographically distinct genetic clusters located in eastern and western Asia. We then performed approximate Bayesian computation (ABC) analyses on controlled simulated microsatellite data sets to evaluate: (i) the risk of selecting incorrect introduction scenarios, including admixture between sources, when the populations of the native area are genetically structured and sampling is incomplete, (ii) the ability of ABC analysis to minimize such risks by explicitly including unsampled populations in the scenarios compared. Finally, we performed additional ABC analyses on real microsatellite data sets to retrace the origin of biocontrol and invasive populations of H. axyridis, taking into account the possibility that the structured native area may have been incompletely sampled. We found that the invasive population in eastern North America, which has served as the bridgehead for worldwide invasion by H. axyridis, was probably formed by an admixture between the eastern and western native clusters. This admixture may have facilitated adaptation of the bridgehead population.
Data from: Genetic barcoding of dark-spored myxomycetes (Amoebozoa)—Identification, evaluation and application of a sequence similarity threshold for species differentiation in NGS studies
Unicellular, eukaryotic organisms (protists) play a key role in soil food webs as major predators of microorganisms. However, due to the polyphyletic nature of protists, no single universal barcode can be established for this group, and the structure of many protistean communities remains unresolved. Plasmodial slime moulds (Myxogastria or Myxomycetes) stand out among protists by their formation of fruit bodies, which allow for a morphological species concept. By Sanger sequencing of a large collection of morphospecies, this study presents the largest database to date of dark-spored myxomycetes and evaluate a partial 18S SSU gene marker for species annotation. We identify and discuss the use of an intraspecific sequence similarity threshold of 99.1% for species differentiation (OTU picking) in environmental PCR studies (ePCR) and estimate a hidden diversity of putative species, exceeding those of described morphospecies by 99%. When applying the identified threshold to an ePCR data set (including sequences from both NGS and cloning), we find 64 OTUs of which 21.9% had a direct match (>99.1% similarity) to the database and the remaining had on average 90.2 ± 0.8% similarity to their best match, thus thought to represent undiscovered diversity of dark-spored myxomycetes.
Fig. 4 in Efficiency of RAPD, ISSR, iPBS, SCoT and phytochemical markers in the genetic relationship study of five native and economical important bamboos of North-East India
Fig. 4. UPGMA dendrogram of 5 bamboo species based on RAPD, ISSR, SCoT and iPBS combined data.
Heritage Study--Genetics, Exercise and Risk Factors
ClinicalTrials.gov study NCT00005137. IPD Sharing: Not stated. Countries: 0. Publications: 131.
Study of Muscle Abnormalities in Patients With Specific Genetic Mutations
ClinicalTrials.gov study NCT00001871. IPD Sharing: Not stated. Countries: 1. Publications: 3.
A Study to Assess the Genetic Variations in Bile Flow Disorders: Linking Progressive Familial Intrahepatic Cholestasis (PFIC)-Related Genes to Symptoms in Adults With Recurrent Cholestasis in Spain
ClinicalTrials.gov study NCT07191704. IPD Sharing: YES. Countries: 1. Publications: 0.
Genetic Studies in Alzheimer's Disease
ClinicalTrials.gov study NCT00001235. IPD Sharing: Not stated. Countries: 1. Publications: 3.
The Quebec Family Study (QFS): Role of Genetic Factors in Obesity and Its Related Risk Factors and Diseases
ClinicalTrials.gov study NCT03355729. IPD Sharing: Not stated. Countries: 0. Publications: 2.
Study of the Molecular Genetics of Menstrual Migraine
ClinicalTrials.gov study NCT00904150. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Collaborative Studies on the Genetics of Asthma (CSGA)
ClinicalTrials.gov study NCT00005500. IPD Sharing: Not stated. Countries: 0. Publications: 37.
Genetic Studies of X-linked Lymphoproliferative Disease
ClinicalTrials.gov study NCT00359411. IPD Sharing: Not stated. Countries: 1. Publications: 3.
Retrospective Study on Clinical Results of Preimplantation Genetic Screening at Different Embryo Stage
ClinicalTrials.gov study NCT03065114. IPD Sharing: UNDECIDED. Countries: 0. Publications: 1.
Randomized Study of Yohimbine Treatment for Type 2 Diabetes Patients Carrying a Specific Genetic Risk Variant
ClinicalTrials.gov study NCT01593215. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Genetic Study of CYP2D6 Enzyme and Therapeutic Drug Monitoring of Tamoxifen
ClinicalTrials.gov study NCT03582865. IPD Sharing: Not stated. Countries: 0. Publications: 20.
Genetic Studies of Inflammatory Bowel Disease
ClinicalTrials.gov study NCT00340444. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Clinical and Genetic Studies of Familial Exudative Vitreoretinopathy
ClinicalTrials.gov study NCT00106756. IPD Sharing: Not stated. Countries: 2. Publications: 3.
Genetic Variations That Increase the Risk for Calcium Kidney Stones: a Family-based Study
ClinicalTrials.gov study NCT06211842. IPD Sharing: YES. Countries: 0. Publications: 1.
A Study to Assess if BIIB122 Tablets Are Safe and Can Slow Worsening of Early-Stage Parkinson's Disease in Participants With Specific LRRK2 Genetic Variants Between the Ages of 30 and 80 Using the Mov
ClinicalTrials.gov study NCT05418673. IPD Sharing: YES. Countries: 6. Publications: 0.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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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.