Articles tagged with Genetic Mapping
Researchers at the Francis Crick Institute have mapped all possible outcomes of changes to the tumour-suppressing VHL gene, enabling clinicians to predict cancer-causing variants with 100% accuracy. The study also found that faulty VHL mutations can increase the risk of kidney cancer and may benefit from belutifan treatment.
Scientists have developed a near chromosome-level genome for the Mojave poppy bee, which is a specialist pollinator of conservation concern. The genome assembly will help researchers understand the bee's biological traits, including host-plant specialization and susceptibility to pesticides.
Researchers at EPFL have published an open-source project Tabulae Paralytica, providing a comprehensive understanding of spinal cord injury biology. The study identifies specific neurons and genes involved in recovery and proposes a successful gene therapy derived from its discoveries.
A decade-long study has discovered a vast untapped genetic potential in modern wheat varieties, revealing that at least 60% of the genetic diversity found in a historic collection is unused. This discovery provides an unprecedented opportunity to improve modern wheat and sustainably feed a growing global population. The study used a cr...
Researchers developed a metabolic health score based on clinical parameters and used it to explore its genetic underpinnings in mice, validating findings in human data. The study identified two significant genetic regions linked to metabolic health and pinpointed candidate genes associated with metabolic traits.
A recent study has unlocked the genetic secrets of Cissus quadrangularis, a desert-dwelling plant with extraordinary drought tolerance. The discovery sheds light on its Crassulacean acid metabolism (CAM) pathway and genetic adaptations, providing insights into developing crops that can withstand water scarcity.
Researchers at Harvard University have successfully sequenced the genome of the extinct little bush moa, providing new genetic evidence about its sensory biology. The study sheds light on how and why some birds evolved to become flightless, offering clues for future de-extinction efforts.
A UCLA Health study has unveiled the link between genetic risk of autism and observed cellular activity in the brain. Researchers analyzed post-mortem brain tissue from 66 individuals, including those with autism spectrum disorder, to identify changes in cortical cell types and transcription factor networks.
A new study has uncovered unprecedented insights into the cellular basis of schizophrenia, linking genetic risk factors to specific neuronal populations. The research found that excitatory neurons were the most affected cell group, with transcriptional changes implicating neurodevelopment and synaptic signaling.
Scientists have discovered 17 new genes involved in clonal haematopoiesis, a process associated with ageing linked to increased risks of blood cancers. The findings highlight the clinical significance of these genes in driving mutant blood cell clones, offering new avenues for studying disease development and promoting healthier ageing.
A study provides genomic insights into Mei tree breeding, enhancing ornamental qualities and environmental adaptability. Researchers have identified key gene families influencing traits such as flower fragrance and cold hardiness.
Researchers at Harvard University discover that hybrids between Amazon butterfly species can produce new, genetically distinct species with unique traits. This study challenges the long-held assumption that hybridization inhibits speciation, instead suggesting it can drive the evolution of new lineages.
A comprehensive atlas of ageing human muscle reveals genetic and cellular processes behind muscle deterioration, including new cell populations that may explain age-related differences. The study also identifies compensatory mechanisms to counteract ageing, offering avenues for future therapies.
Researchers have developed a statistical method called SCENT to establish links between regulatory elements and genes, pinpointing probable causal gene loci for common and rare diseases. The study applied SCENT to multimodal single-cell datasets from various human tissues, discovering insights into DNA regulation in specific cell types.
A study published in JCI Insight reveals that an unexpected mechanism is responsible for the loss of kidney cells' ability to filter toxins from blood in primary membranous nephropathy. The researchers found that signaling in the C3a/C3aR pathway plays a critical role in disease progression.
A research team at UC Irvine has developed a tool to study tandem repeat expansions, which cause over 50 lethal human diseases. The database provides insights into disease connections and health disparities, enabling improved clinical diagnostics.
A genomic study has revealed the unimaginable diversity of human and nonhuman primate centromeres, highlighting their speed of evolutionary change. Centromeres differ vastly in size, structure, and epigenetic makeup, with unique sequences and organization emerging from different evolutionary forces.
A new study from Aarhus University reveals that only 67% of Danes registered with an ectodermal dysplasia diagnosis actually have congenital ectodermal dysplasia. The study identifies key characteristics, including abnormal teeth, skin issues, and nail problems, highlighting the need for collaboration across healthcare disciplines.
Scientists have mapped 87 genes associated with alterations in blood pressure and 144 genes linked to variations in heart rate. The study's findings provide new insights into the genetic determinants of cardiovascular disease and offer a promising approach for future research.
A team of researchers decoded the origins and spread of the bottle gourd, a staple in ancient civilizations for over 10,000 years. The study mapped the genetic blueprint of 197 varieties, revealing its domestication in Southern Africa around 12,000 years ago.
Researchers have characterized the rapid series of events transforming a fertilized cell into a living being, highlighting rapid changes in genetic activity post-birth. The study's findings underscore the speed at which newborns must adapt to extrauterine life and offer insights into long-term physiology and health outcomes.
Vittrup Man's genetic signature was distinct from local skeletons, suggesting a non-Scandinavian origin. His tooth enamel isotopes revealed a shift from coastal to farm food in late teens, indicating a transition to farming society in Denmark.
Researchers have developed a new gene mapping technique that reveals how genetic alterations in cells lining blood vessels contribute to coronary artery disease. The technique, called Variant-to-Gene-to-Program (V2G2P), identifies biological mechanisms driving CAD risk by linking genetic variants to gene expression and function.
Scientists mapped genetic blueprints for 51 vertebrate species, including cats, dolphins, and birds, using novel algorithms and computer software. This discovery has huge implications for understanding human health and evolution, as it allows researchers to compare complete genomes and identify DNA sequence divergence.
A study published in Plant Phenomics explores the use of LiDAR technology to characterize grapevine growth and detect associated genetic loci. The research found strong correlations between LiDAR-derived volumes and traditional methods, with stable heritability and powerful QTL detection confirming their efficacy.
A large-scale ancient human gene bank analysis revealed that genetic variants increasing MS risk were introduced by sheep and cattle herders 5,000 years ago. This finding explains the North-South Gradient of MS prevalence in Europe.
Researchers discovered 50 genetic changes underlying the switch from egg-laying to live-bearing in marine snails, which evolved within the past 100,000 years. The findings provide insights into the evolutionary process and potential benefits of live-bearing, including increased reproductive success in new habitats.
A team of researchers has decoded the genetic diversity of nine species of wild North American grapes, revealing critical traits that could accelerate grape breeding efforts. The research identifies key genes responsible for important traits such as salt tolerance, drought resistance, and defense against Pierce's disease.
Researchers developed a framework to identify genetic contributors to disease by applying stress tests to human blood cells. This study found links between blood-response characteristics and subsets of common diseases.
Researchers have created the first extensive map showing which genetic changes can cause disease, leading to valuable insights into neurodevelopmental disorders and cancer. The study reveals that 90% of previously unexplained genetic changes' impact on health is significant, promising speedier diagnosis and new treatment avenues.
Researchers have generated comprehensive genetic maps of the developing cerebellum in humans, mice, and opossums. The study reveals ancestral and species-specific cellular characteristics spanning over 160 million years of mammalian evolution.
Researchers uncover intricate interplay between enhancers and silencers influenced by DNA methylation, providing crucial insights into dynamic gene control. High-resolution mapping reveals how genes are controlled and modified, paving the way for precision medicine tailored to individual patients.
Researchers identified genetic mutations in peas that enable high iron accumulation, opening doors for biofortification of staple crops like wheat and barley. This breakthrough has the potential to reduce iron deficiency anaemia globally.
Research identifies a genetic locus LHT1/MAC7 controlling long-term heat tolerance in Arabidopsis, involving precise mRNA splicing. The study found that mutations affecting MOS4-associated complex contribute to variation in heat tolerance and increased ER stress under long-term heat.
A research team from Heidelberg and London decoded the genetic programmes underlying sex-specific organ characteristics in mammals, tracing their evolution across species. Key findings include sex-specific differences in gene expression at puberty triggered by hormones.
The study has shed light on how cats evolved into different species and how genetic changes relate to survival abilities like smell detection. It also revealed that cat genomes tend to have fewer complex genetic variations than other mammal groups, such as primates.
Researchers have assembled the entire genetic code of the brushtail possum, revealing population diversity, reproduction, and origins. The study's findings provide valuable knowledge for managing the animal's populations in both New Zealand and Australia.
Researchers analyzed DNA from 200-year-old fruit flies collected in Europe, revealing their surprising genetic similarity to modern flies. The study identified key genes that helped the flies adapt to changing environments, including a gene resistant to DDT pesticide.
Researchers have created detailed cell maps of the human brain and nonhuman primate brain, paving the way for new generation of treatments for mental disorders. The study reveals a comprehensive inventory of brain cells, their organization, and gene regulation, setting the stage for developing targeted therapies.
Neuroscientists have developed new, genetically diverse mouse models to study abnormal tau protein accumulation in the brain, a hallmark of Alzheimer's disease. The study aims to improve research models and understanding of how genetic variations influence neurodegenerative disease development.
Researchers used AI to predict Z-DNA fragment locations that overlap with known mutations causing severe hereditary diseases. These fragments can influence traits and body processes, including hair color, height, weight, and cholesterol levels.
A new study has identified four genetic variants associated with the direction of human scalp hair whorls, revealing a polygenic inheritance pattern. The findings may help unravel biological processes related to abnormal neurological development.
Researchers have identified a diverse range of dopamine neurons that control movement, contradicting the long-held assumption that they only respond to rewards. The study sheds new light on Parkinson's disease, which affects motor skills despite the loss of dopamine neurons.
A KAUST-led team has compiled the first complete genome map of einkorn, an ancient grain that could help develop bread wheat varieties with enhanced disease resistance and improved hardiness. The study reveals a complex evolutionary history of wheat species, including gene flow between einkorn and wild cousins.
Researchers developed a new tool, GASPACHO, to capture dynamic changes in gene expression along the innate immune response. They identified a gene variant affecting COVID-19 susceptibility, shedding light on molecular mechanisms underlying disease pathogenesis and identifying potential therapeutic targets.
Researchers discover cBAF protein complex plays crucial role in controlling T cell fate during infection. The study reveals how chromatin remodeling and genetic code accessibility influence the development of cytotoxic T cells into effector and memory subtypes.
A new study shows that saracatinib reduces inflammation in patients with atherosclerotic cardiovascular disease by more than 90% and boosts genes that help clean up plaque deposits. The experimental cancer drug may offer an effective therapy for cases where standard treatment fails to help.
Researchers analyzed BORIS mutations and protein expression in breast cancer tissue samples, finding frequent mutations associated with breast carcinoma progression. The study suggests the BORIS gene as a potential biomarker for breast cancer.
Researchers, led by Elizabeth King, aim to develop a knowledge base on complex genetic traits using fruit fly models. The project seeks to address the scientific knowledge gap in this field by focusing on interconnectedness among multiple factors.
A new study maps French Canadian populations using a unique dataset of over five million records spanning 400 years, revealing the complex relationship between human migration and genetic variation. The research shows that the genetic structure of French Canadians is encoded within its genealogy.
A study published in Circulation Research identifies the FHL5 gene as a key regulator of vascular disease, including heart attacks and aneurysms. The discovery advances our understanding of the underlying causes of vascular disease and provides new insights into genetic risk factors.
Researchers have developed a new technology to sequence individual mitochondria in single cells, allowing for unbiased analysis of full-length mtDNA. This has revealed complex patterns of pathogenic mtDNA mutations and the potential risks of off-target mutations in genetic editing strategies.
A large UK Biobank study found that poor sleep quality may bolster genetic susceptibility to asthma, potentially doubling the risk. A healthy sleep pattern was associated with a lower risk of asthma, and spotting and treating sleep disorders early on might lessen the risks.
Researchers used PET and electron microscopy to create detailed maps of mitochondrial networks in lung tumors. They found distinct subpopulations of mitochondria organizing with organelles to support tumor cell metabolism.
Researchers developed MoBIE, a user-friendly tool for sharing and exploring large image data sets. The tool allows for visualization and analysis of huge amounts of data from hundreds of sources, making it easier for researchers to analyze and interpret microscopy data worldwide.
Researchers have created detailed genetic maps of green and leatherback sea turtle genomes, providing insights into their unique adaptations and evolutionary history. The study reveals that genetic differences between the two species are mainly found on microchromosomes, which may hold the key to each species' survival.
An international team of researchers has created a detailed genetic map of two sea turtle species, revealing surprising similarities and differences. The study finds that green turtles have evolved more immune-related genes, while leatherbacks have historically lower population levels and reduced genetic diversity.
A recent NTU Singapore study reconstructed the history of The Sundaland using paleogeography and population genetics to show that rapid sea-level rise drove early settlers to migrate, increasing genetic diversity. This finding provides insight into how climate change can profoundly impact human populations.
Researchers have created a genetic map to identify important genes causing sarcoma, a common childhood cancer. The study found that one in 14 individuals with sarcoma carries a clinically significant gene, offering hope for earlier diagnosis and treatment.
Researchers have identified a new genetic risk factor for adult-onset macular degeneration by combining multiple maps. The study reveals that variations in the TRPM1 gene promoter alter LHX2 transcription factor binding, reducing gene activity and increasing disease risk. This finding advances our understanding of AMD's complex pathology.